FFmpeg  4.4
mxfenc.c
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1 /*
2  * MXF muxer
3  * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4  * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /*
24  * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25  * fixes sponsored by NOA GmbH
26  */
27 
28 /*
29  * References
30  * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31  * SMPTE 377M MXF File Format Specifications
32  * SMPTE 379M MXF Generic Container
33  * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34  * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35  * SMPTE RP210: SMPTE Metadata Dictionary
36  * SMPTE RP224: Registry of SMPTE Universal Labels
37  */
38 
39 #include <inttypes.h>
40 #include <math.h>
41 #include <time.h>
42 
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
48 #include "libavutil/pixdesc.h"
50 #include "libavcodec/bytestream.h"
51 #include "libavcodec/dnxhddata.h"
52 #include "libavcodec/dv_profile.h"
53 #include "libavcodec/h264_ps.h"
54 #include "libavcodec/golomb.h"
55 #include "libavcodec/internal.h"
57 #include "avformat.h"
58 #include "avio_internal.h"
59 #include "internal.h"
60 #include "avc.h"
61 #include "mxf.h"
62 #include "config.h"
63 
66 
67 #define EDIT_UNITS_PER_BODY 250
68 #define KAG_SIZE 512
69 
70 typedef struct MXFIndexEntry {
71  uint64_t offset;
72  unsigned slice_offset; ///< offset of audio slice
73  uint16_t temporal_ref;
76 
77 typedef struct MXFStreamContext {
78  int64_t pkt_cnt; ///< pkt counter for muxed packets
80  int index; ///< index in mxf_essence_container_uls table
81  const UID *codec_ul;
82  const UID *container_ul;
83  int order; ///< interleaving order if dts are equal
84  int interlaced; ///< whether picture is interlaced
85  int field_dominance; ///< tff=1, bff=2
92  AVRational aspect_ratio; ///< display aspect ratio
93  int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
96  int frame_size; ///< frame size in bytes
97  int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
98  int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
99  int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
100  int low_delay; ///< low delay, used in mpeg-2 descriptor
103 
104 typedef struct MXFContainerEssenceEntry {
110 
111 typedef struct MXFPackage {
112  char *name;
114  int instance;
115  struct MXFPackage *ref;
116 } MXFPackage;
117 
118 enum ULIndex {
130 };
131 
132 static const struct {
133  enum AVCodecID id;
134  enum ULIndex index;
135 } mxf_essence_mappings[] = {
144  { AV_CODEC_ID_NONE }
145 };
146 
147 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
148 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
150 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
151 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
154 
156  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
157  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
158  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
160  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
161  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
162  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
164  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
165  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
166  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
168  // D-10 Video
169  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
170  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
171  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
173  // D-10 Audio
174  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
175  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
176  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
178  // DV
179  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
180  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
181  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
183  // DNxHD
184  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
185  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
186  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
188  // JPEG2000
189  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
190  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
191  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
193  // H.264
194  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
195  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
196  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
198  // S436M ANC
199  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
200  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
201  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
203  // ProRes
204  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
205  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
206  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
208  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
209  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
210  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
211  NULL },
212 };
213 
214 static const UID mxf_d10_codec_uls[] = {
215  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
216  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
217  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
218  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
219  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
220  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
221 };
222 
223 static const UID mxf_d10_container_uls[] = {
224  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
225  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
226  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
227  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
228  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
229  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
230 };
231 
232 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
233 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
234 
235 /**
236  * complete key for operation pattern, partitions, and primer pack
237  */
238 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
239 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
240 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
241 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
242 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
243 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
244 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
245 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
246 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
247 
248 /**
249  * partial key for header metadata
250  */
251 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
252 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
253 
254 /**
255  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
256  * https://smpte-ra.org/sites/default/files/Labels.xml
257  */
259  // preface set
260  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
261  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
262  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
263  { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
264  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
265  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
266  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
267  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
268  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
269  // Identification
270  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
271  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
272  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
273  { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
274  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
275  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
276  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
277  { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
278  { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
279  // Content Storage
280  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
281  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
282  // Essence Container Data
283  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
284  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
285  // Package
286  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
287  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
288  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
289  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
290  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
291  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
292  // Track
293  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
294  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
295  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
296  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
297  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
298  // Sequence
299  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
300  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
301  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
302  // Source Clip
303  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
304  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
305  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
306  // Timecode Component
307  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
308  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
309  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
310  // File Descriptor
311  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
312  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
313  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
314  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
315  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
316  // Generic Picture Essence Descriptor
317  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
318  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
319  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
320  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
321  { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
322  { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
323  { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
324  { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
325  { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
326  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
327  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
328  { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
329  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
330  { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
331  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
332  { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
333  { 0x321A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x03,0x01,0x00}}, /* Coding Equations (color space) */
334  { 0x3219, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x04,0x01,0x02,0x01,0x01,0x06,0x01,0x00}}, /* Color Primaries */
335  { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
336  { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
337  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
338  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
339  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
340  // CDCI Picture Essence Descriptor
341  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
342  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
343  { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
344  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
345  { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
346  { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
347  { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
348  { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
349  // Generic Sound Essence Descriptor
350  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
351  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
352  { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
353  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
354  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
355  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
356  // Index Table Segment
357  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
358  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
359  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
360  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
361  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
362  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
363  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
364  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
365  // MPEG video Descriptor
366  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
367  { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
368  { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
369  { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
370  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
371  { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
372  // Wave Audio Essence Descriptor
373  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
374  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
375  // mxf_user_comments_local_tag
376  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
377  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
378  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
379  // mxf_avc_subdescriptor_local_tags
380  { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
381  { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
382  { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
383  { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
384  // ff_mxf_mastering_display_local_tags
389 };
390 
391 #define MXF_NUM_TAGS FF_ARRAY_ELEMS(mxf_local_tag_batch)
392 
393 typedef struct MXFContext {
401  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
402  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
406  int last_key_index; ///< index of last key frame
407  uint64_t duration;
408  AVTimecode tc; ///< timecode context
410  int timecode_base; ///< rounded time code base (25 or 30)
411  int edit_unit_byte_count; ///< fixed edit unit byte count
412  int content_package_rate; ///< content package rate in system element, see SMPTE 326M
413  uint64_t body_offset;
414  uint32_t instance_number;
415  uint8_t umid[16]; ///< unique material identifier
421  int track_instance_count; // used to generate MXFTrack uuids
422  int cbr_index; ///< use a constant bitrate index
423  uint8_t unused_tags[MXF_NUM_TAGS]; ///< local tags that we know will not be used
424 } MXFContext;
425 
427 {
428  avio_write(pb, uuid_base, 12);
429  avio_wb16(pb, type);
430  avio_wb16(pb, value);
431 }
432 
434 {
435  MXFContext *mxf = s->priv_data;
436  avio_write(s->pb, umid_ul, 13);
437  avio_wb24(s->pb, mxf->instance_number);
438  avio_write(s->pb, mxf->umid, 15);
439  avio_w8(s->pb, type);
440 }
441 
442 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
443 {
444  avio_wb32(pb, ref_count);
445  avio_wb32(pb, 16);
446 }
447 
448 static int klv_ber_length(uint64_t len)
449 {
450  if (len < 128)
451  return 1;
452  else
453  return (av_log2(len) >> 3) + 2;
454 }
455 
456 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
457 {
458  // Determine the best BER size
459  int size = klv_ber_length(len);
460  if (size == 1) {
461  //short form
462  avio_w8(pb, len);
463  return 1;
464  }
465 
466  size --;
467  // long form
468  avio_w8(pb, 0x80 + size);
469  while(size) {
470  size--;
471  avio_w8(pb, len >> 8 * size & 0xff);
472  }
473  return 0;
474 }
475 
477 {
478  avio_w8(pb, 0x80 + 3);
479  avio_wb24(pb, len);
480 }
481 
482 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
483 {
484  avio_w8(pb, 0x80 + 8);
485  avio_wb64(pb, len);
486 }
487 
488 /*
489  * Get essence container ul index
490  */
492 {
493  int i;
494  for (i = 0; mxf_essence_mappings[i].id; i++)
495  if (mxf_essence_mappings[i].id == id)
496  return mxf_essence_mappings[i].index;
497  return -1;
498 }
499 
501 {
502  for (int i = 0; i < MXF_NUM_TAGS; i++) {
503  if (mxf_local_tag_batch[i].local_tag == tag) {
504  return &mxf_local_tag_batch[i];
505  }
506  }
507 
508  // this assert can only be hit during development
509  av_assert0(0 && "you forgot to add your new tag to mxf_local_tag_batch");
510 }
511 
512 static void mxf_mark_tag_unused(MXFContext *mxf, int tag)
513 {
515  mxf->unused_tags[pair - mxf_local_tag_batch] = 1;
516 }
517 
519 {
520  MXFContext *mxf = s->priv_data;
521  AVIOContext *pb = s->pb;
522  int local_tag_number = MXF_NUM_TAGS, i;
523  int will_have_avc_tags = 0, will_have_mastering_tags = 0;
524 
525  for (i = 0; i < s->nb_streams; i++) {
526  MXFStreamContext *sc = s->streams[i]->priv_data;
527  if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
528  will_have_avc_tags = 1;
529  }
531  will_have_mastering_tags = 1;
532  }
533  }
534 
535  if (!mxf->store_user_comments) {
536  mxf_mark_tag_unused(mxf, 0x4406);
537  mxf_mark_tag_unused(mxf, 0x5001);
538  mxf_mark_tag_unused(mxf, 0x5003);
539  }
540 
541  if (!will_have_avc_tags) {
542  mxf_mark_tag_unused(mxf, 0x8100);
543  mxf_mark_tag_unused(mxf, 0x8200);
544  mxf_mark_tag_unused(mxf, 0x8201);
545  mxf_mark_tag_unused(mxf, 0x8202);
546  }
547 
548  if (!will_have_mastering_tags) {
549  mxf_mark_tag_unused(mxf, 0x8301);
550  mxf_mark_tag_unused(mxf, 0x8302);
551  mxf_mark_tag_unused(mxf, 0x8303);
552  mxf_mark_tag_unused(mxf, 0x8304);
553  }
554 
555  for (i = 0; i < MXF_NUM_TAGS; i++) {
556  if (mxf->unused_tags[i]) {
557  local_tag_number--;
558  }
559  }
560 
561  avio_write(pb, primer_pack_key, 16);
562  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
563 
564  avio_wb32(pb, local_tag_number); // local_tag num
565  avio_wb32(pb, 18); // item size, always 18 according to the specs
566 
567  for (i = 0; i < MXF_NUM_TAGS; i++) {
568  if (mxf->unused_tags[i] == 0) {
569  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
571  }
572  }
573 }
574 
576 {
577  MXFContext *mxf = s->priv_data;
578  AVIOContext *pb = s->pb;
580 
581  // make sure the tag was not declared unnecessary upfront
582  av_assert0(mxf->unused_tags[pair - mxf_local_tag_batch] == 0);
583 
584  avio_wb16(pb, tag);
585  avio_wb16(pb, size);
586 }
587 
588 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
589 {
591  avio_wb24(pb, value);
592 }
593 
594 static const MXFCodecUL *mxf_get_codec_ul_by_id(const MXFCodecUL *uls, int id)
595 {
596  while (uls->uid[0]) {
597  if (id == uls->id)
598  break;
599  uls++;
600  }
601  return uls;
602 }
603 
604 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
605 #define DESCRIPTOR_COUNT(essence_container_count) \
606  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
607 
609 {
610  MXFContext *c = s->priv_data;
611  AVIOContext *pb = s->pb;
612  int i;
613 
614  mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
615  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
616  for (i = 0; i < s->nb_streams; i++) {
617  MXFStreamContext *sc = s->streams[i]->priv_data;
618  // check first track of essence container type and only write it once
619  if (sc->track_essence_element_key[15] != 0)
620  continue;
621  avio_write(pb, *sc->container_ul, 16);
622  if (c->essence_container_count == 1)
623  break;
624  }
625 
626  if (c->essence_container_count > 1)
627  avio_write(pb, multiple_desc_ul, 16);
628 }
629 
631 {
632  MXFContext *mxf = s->priv_data;
633  AVIOContext *pb = s->pb;
634 
635  mxf_write_metadata_key(pb, 0x012f00);
636  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
638 
639  // write preface set uid
640  mxf_write_local_tag(s, 16, 0x3C0A);
641  mxf_write_uuid(pb, Preface, 0);
642  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
643 
644  // last modified date
645  mxf_write_local_tag(s, 8, 0x3B02);
646  avio_wb64(pb, mxf->timestamp);
647 
648  // write version
649  mxf_write_local_tag(s, 2, 0x3B05);
650  avio_wb16(pb, 259); // v1.3
651 
652  // Object Model Version
653  mxf_write_local_tag(s, 4, 0x3B07);
654  avio_wb32(pb, 1);
655 
656  // write identification_refs
657  mxf_write_local_tag(s, 16 + 8, 0x3B06);
658  mxf_write_refs_count(pb, 1);
660 
661  // write content_storage_refs
662  mxf_write_local_tag(s, 16, 0x3B03);
664 
665  // operational pattern
666  mxf_write_local_tag(s, 16, 0x3B09);
667  if (s->oformat == &ff_mxf_opatom_muxer)
668  avio_write(pb, opatom_ul, 16);
669  else
670  avio_write(pb, op1a_ul, 16);
671 
672  // write essence_container_refs
675 
676  // write dm_scheme_refs
677  mxf_write_local_tag(s, 8, 0x3B0B);
678  avio_wb64(pb, 0);
679 }
680 
681 /*
682  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
683  * from decoding the utf-8 string.
684  */
685 static uint64_t mxf_utf16len(const char *utf8_str)
686 {
687  const uint8_t *q = utf8_str;
688  uint64_t size = 0;
689  while (*q) {
690  uint32_t ch;
691  GET_UTF8(ch, *q++, goto invalid;)
692  if (ch < 0x10000)
693  size++;
694  else
695  size += 2;
696  continue;
697 invalid:
698  av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
699  }
700  size += 1;
701  return size;
702 }
703 
704 /*
705  * Returns the calculated length a local tag containing an utf-8 string as utf-16
706  */
707 static int mxf_utf16_local_tag_length(const char *utf8_str)
708 {
709  uint64_t size;
710 
711  if (!utf8_str)
712  return 0;
713 
714  size = mxf_utf16len(utf8_str);
715  if (size >= UINT16_MAX/2) {
716  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
717  return 0;
718  }
719 
720  return 4 + size * 2;
721 }
722 
723 /*
724  * Write a local tag containing an utf-8 string as utf-16
725  */
726 static void mxf_write_local_tag_utf16(AVFormatContext *s, int tag, const char *value)
727 {
728  AVIOContext *pb = s->pb;
729  uint64_t size = mxf_utf16len(value);
730 
731  if (size >= UINT16_MAX/2) {
732  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
733  return;
734  }
735 
737  avio_put_str16be(pb, value);
738 }
739 
741  AVIOContext *pb = s->pb;
742 
743  if (s->flags & AVFMT_FLAG_BITEXACT) {
744  avio_wb16(pb, 0); // major
745  avio_wb16(pb, 0); // minor
746  avio_wb16(pb, 0); // tertiary
747  } else {
748  avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
749  avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
750  avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
751  }
752  avio_wb16(pb, 0); // patch
753  avio_wb16(pb, 0); // release
754 }
755 
756 #define PLATFORM_IDENT "Lavf " AV_STRINGIFY((OS_NAME))
758 {
759  MXFContext *mxf = s->priv_data;
760  AVIOContext *pb = s->pb;
761  AVDictionaryEntry *com_entry = av_dict_get(s->metadata, "company_name", NULL, 0);
762  AVDictionaryEntry *product_entry = av_dict_get(s->metadata, "product_name", NULL, 0);
763  AVDictionaryEntry *version_entry = av_dict_get(s->metadata, "product_version", NULL, 0);
764  const char *company = com_entry ? com_entry->value : "FFmpeg";
765  const char *product = product_entry ? product_entry->value : s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
766  const char *platform = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : PLATFORM_IDENT;
767  const char *version = version_entry ? version_entry->value :
768  s->flags & AVFMT_FLAG_BITEXACT ? "0.0.0" :
770  int length;
771 
772  mxf_write_metadata_key(pb, 0x013000);
773  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
774 
775  length = 100 +mxf_utf16_local_tag_length(company) +
776  mxf_utf16_local_tag_length(product) +
777  mxf_utf16_local_tag_length(platform) +
779  klv_encode_ber_length(pb, length);
780 
781  // write uid
782  mxf_write_local_tag(s, 16, 0x3C0A);
784  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
785 
786  // write generation uid
787  mxf_write_local_tag(s, 16, 0x3C09);
789  mxf_write_local_tag_utf16(s, 0x3C01, company); // Company Name
790  mxf_write_local_tag_utf16(s, 0x3C02, product); // Product Name
791 
792  mxf_write_local_tag(s, 10, 0x3C03); // Product Version
793  store_version(s);
794 
795  mxf_write_local_tag_utf16(s, 0x3C04, version); // Version String
796  mxf_write_local_tag_utf16(s, 0x3C08, platform); // Platform
797 
798  // write product uid
799  mxf_write_local_tag(s, 16, 0x3C05);
801 
802  // modification date
803  mxf_write_local_tag(s, 8, 0x3C06);
804  avio_wb64(pb, mxf->timestamp);
805 
806  mxf_write_local_tag(s, 10, 0x3C07); // Toolkit Version
807  store_version(s);
808 }
809 
810 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
811 {
812  AVIOContext *pb = s->pb;
813  int i;
814 
815  mxf_write_metadata_key(pb, 0x011800);
816  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
817  klv_encode_ber_length(pb, 60 + (16 * package_count));
818 
819  // write uid
820  mxf_write_local_tag(s, 16, 0x3C0A);
822  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
823 
824  // write package reference
825  mxf_write_local_tag(s, 16 * package_count + 8, 0x1901);
826  mxf_write_refs_count(pb, package_count);
827  for (i = 0; i < package_count; i++) {
828  mxf_write_uuid(pb, packages[i].type, packages[i].instance);
829  }
830 
831  // write essence container data
832  mxf_write_local_tag(s, 8 + 16, 0x1902);
833  mxf_write_refs_count(pb, 1);
835 }
836 
838 {
839  MXFContext *mxf = s->priv_data;
840  AVIOContext *pb = s->pb;
841  MXFStreamContext *sc = st->priv_data;
842 
843  mxf_write_metadata_key(pb, 0x013b00);
844  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
845  klv_encode_ber_length(pb, 80);
846 
847  // write track uid
848  mxf_write_local_tag(s, 16, 0x3C0A);
850  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
851 
852  // write track id
853  mxf_write_local_tag(s, 4, 0x4801);
854  avio_wb32(pb, st->index+2);
855 
856  // write track number
857  mxf_write_local_tag(s, 4, 0x4804);
858  if (package->type == MaterialPackage)
859  avio_wb32(pb, 0); // track number of material package is 0
860  else
861  avio_write(pb, sc->track_essence_element_key + 12, 4);
862 
863  // write edit rate
864  mxf_write_local_tag(s, 8, 0x4B01);
865 
866  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
867  avio_wb32(pb, mxf->tc.rate.num);
868  avio_wb32(pb, mxf->tc.rate.den);
869  } else {
870  avio_wb32(pb, mxf->time_base.den);
871  avio_wb32(pb, mxf->time_base.num);
872  }
873 
874  // write origin
875  mxf_write_local_tag(s, 8, 0x4B02);
876  avio_wb64(pb, 0);
877 
878  // write sequence refs
879  mxf_write_local_tag(s, 16, 0x4803);
881 }
882 
883 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
884 
886 {
887  MXFContext *mxf = s->priv_data;
888  AVIOContext *pb = s->pb;
889 
890  // find data define uls
891  mxf_write_local_tag(s, 16, 0x0201);
892  if (st == mxf->timecode_track)
894  else {
896  avio_write(pb, data_def_ul->uid, 16);
897  }
898 
899  // write duration
900  mxf_write_local_tag(s, 8, 0x0202);
901 
902  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
903  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
904  } else {
905  avio_wb64(pb, mxf->duration);
906  }
907 }
908 
910 {
911  MXFContext *mxf = s->priv_data;
912  AVIOContext *pb = s->pb;
913  enum MXFMetadataSetType component;
914 
915  mxf_write_metadata_key(pb, 0x010f00);
916  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
917  klv_encode_ber_length(pb, 80);
918 
919  mxf_write_local_tag(s, 16, 0x3C0A);
921 
922  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
924 
925  // write structural component
926  mxf_write_local_tag(s, 16 + 8, 0x1001);
927  mxf_write_refs_count(pb, 1);
928  if (st == mxf->timecode_track)
929  component = TimecodeComponent;
930  else
931  component = SourceClip;
932 
933  mxf_write_uuid(pb, component, mxf->track_instance_count);
934 }
935 
937 {
938  MXFContext *mxf = s->priv_data;
939  AVIOContext *pb = s->pb;
940 
941  mxf_write_metadata_key(pb, 0x011400);
942  klv_encode_ber_length(pb, 75);
943 
944  // UID
945  mxf_write_local_tag(s, 16, 0x3C0A);
947 
949 
950  // Start Time Code
951  mxf_write_local_tag(s, 8, 0x1501);
952  avio_wb64(pb, mxf->tc.start);
953 
954  // Rounded Time Code Base
955  mxf_write_local_tag(s, 2, 0x1502);
956  avio_wb16(pb, mxf->timecode_base);
957 
958  // Drop Frame
959  mxf_write_local_tag(s, 1, 0x1503);
960  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
961 }
962 
964 {
965  MXFContext *mxf = s->priv_data;
966  AVIOContext *pb = s->pb;
967  int i;
968 
969  mxf_write_metadata_key(pb, 0x011100);
970  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
971  klv_encode_ber_length(pb, 108);
972 
973  // write uid
974  mxf_write_local_tag(s, 16, 0x3C0A);
976 
977  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
979 
980  // write start_position
981  mxf_write_local_tag(s, 8, 0x1201);
982  avio_wb64(pb, 0);
983 
984  // write source package uid, end of the reference
985  mxf_write_local_tag(s, 32, 0x1101);
986  if (!package->ref) {
987  for (i = 0; i < 4; i++)
988  avio_wb64(pb, 0);
989  } else
990  mxf_write_umid(s, package->ref->instance);
991 
992  // write source track id
993  mxf_write_local_tag(s, 4, 0x1102);
994  if (package->type == SourcePackage && !package->ref)
995  avio_wb32(pb, 0);
996  else
997  avio_wb32(pb, st->index+2);
998 }
999 
1001 {
1002  AVIOContext *pb = s->pb;
1003 
1004  mxf_write_metadata_key(pb, 0x012e00);
1005  PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1006  klv_encode_ber_length(pb, 20);
1007  mxf_write_local_tag(s, 16, 0x3C0A);
1009  PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1010 }
1011 
1012 
1014 {
1015  MXFContext *mxf = s->priv_data;
1016  AVIOContext *pb = s->pb;
1017  const uint8_t *ul;
1018  int i;
1019 
1020  mxf_write_metadata_key(pb, 0x014400);
1021  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1022  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1023 
1024  mxf_write_local_tag(s, 16, 0x3C0A);
1026  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1027 
1028  // write sample rate
1029  mxf_write_local_tag(s, 8, 0x3001);
1030  avio_wb32(pb, mxf->time_base.den);
1031  avio_wb32(pb, mxf->time_base.num);
1032 
1033  // write essence container ul
1034  mxf_write_local_tag(s, 16, 0x3004);
1035  if (mxf->essence_container_count > 1)
1036  ul = multiple_desc_ul;
1037  else {
1038  MXFStreamContext *sc = s->streams[0]->priv_data;
1039  ul = *sc->container_ul;
1040  }
1041  avio_write(pb, ul, 16);
1042 
1043  // write sub descriptor refs
1044  mxf_write_local_tag(s, s->nb_streams * 16 + 8, 0x3F01);
1045  mxf_write_refs_count(pb, s->nb_streams);
1046  for (i = 0; i < s->nb_streams; i++)
1048 }
1049 
1051 {
1052  MXFContext *mxf = s->priv_data;
1053  MXFStreamContext *sc = st->priv_data;
1054  AVIOContext *pb = s->pb;
1055  int64_t pos;
1056 
1057  avio_write(pb, key, 16);
1058  klv_encode_ber4_length(pb, 0);
1059  pos = avio_tell(pb);
1060 
1061  mxf_write_local_tag(s, 16, 0x3C0A);
1063 
1064  mxf_write_local_tag(s, 4, 0x3006);
1065  avio_wb32(pb, st->index+2);
1066 
1067  mxf_write_local_tag(s, 8, 0x3001);
1068  if (s->oformat == &ff_mxf_d10_muxer) {
1069  avio_wb32(pb, mxf->time_base.den);
1070  avio_wb32(pb, mxf->time_base.num);
1071  } else {
1072  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1074  avio_wb32(pb, st->codecpar->sample_rate);
1075  avio_wb32(pb, 1);
1076  } else {
1077  avio_wb32(pb, mxf->time_base.den);
1078  avio_wb32(pb, mxf->time_base.num);
1079  }
1080  }
1081 
1082  mxf_write_local_tag(s, 16, 0x3004);
1083  avio_write(pb, *sc->container_ul, 16);
1084 
1085  return pos;
1086 }
1087 
1088 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1089 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1090 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1091 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1092 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1093 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1094 
1095 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1096 
1097 static inline uint16_t rescale_mastering_chroma(AVRational q)
1098 {
1100 }
1101 
1102 static inline uint32_t rescale_mastering_luma(AVRational q)
1103 {
1105 }
1106 
1108 {
1109  MXFStreamContext *sc = st->priv_data;
1110  AVIOContext *pb = s->pb;
1111  int stored_width = 0;
1112  int stored_height = (st->codecpar->height+15)/16*16;
1113  int display_height;
1114  int f1, f2;
1115  const MXFCodecUL *color_primaries_ul;
1116  const MXFCodecUL *color_trc_ul;
1117  const MXFCodecUL *color_space_ul;
1118  int64_t pos = mxf_write_generic_desc(s, st, key);
1119  uint8_t *side_data;
1120 
1124 
1125  if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1126  if (st->codecpar->height == 1080)
1127  stored_width = 1920;
1128  else if (st->codecpar->height == 720)
1129  stored_width = 1280;
1130  }
1131  if (!stored_width)
1132  stored_width = (st->codecpar->width+15)/16*16;
1133 
1134  mxf_write_local_tag(s, 4, 0x3203);
1135  avio_wb32(pb, stored_width);
1136 
1137  mxf_write_local_tag(s, 4, 0x3202);
1138  avio_wb32(pb, stored_height>>sc->interlaced);
1139 
1140  if (s->oformat == &ff_mxf_d10_muxer) {
1141  //Stored F2 Offset
1142  mxf_write_local_tag(s, 4, 0x3216);
1143  avio_wb32(pb, 0);
1144 
1145  //Image Start Offset
1146  mxf_write_local_tag(s, 4, 0x3213);
1147  avio_wb32(pb, 0);
1148 
1149  //Image End Offset
1150  mxf_write_local_tag(s, 4, 0x3214);
1151  avio_wb32(pb, 0);
1152  }
1153 
1154  //Sampled width
1155  mxf_write_local_tag(s, 4, 0x3205);
1156  avio_wb32(pb, stored_width);
1157 
1158  //Samples height
1159  mxf_write_local_tag(s, 4, 0x3204);
1160  avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1161 
1162  //Sampled X Offset
1163  mxf_write_local_tag(s, 4, 0x3206);
1164  avio_wb32(pb, 0);
1165 
1166  //Sampled Y Offset
1167  mxf_write_local_tag(s, 4, 0x3207);
1168  avio_wb32(pb, 0);
1169 
1170  mxf_write_local_tag(s, 4, 0x3209);
1171  avio_wb32(pb, stored_width);
1172 
1173  if (st->codecpar->height == 608) // PAL + VBI
1174  display_height = 576;
1175  else if (st->codecpar->height == 512) // NTSC + VBI
1176  display_height = 486;
1177  else
1178  display_height = st->codecpar->height;
1179 
1180  mxf_write_local_tag(s, 4, 0x3208);
1181  avio_wb32(pb, display_height>>sc->interlaced);
1182 
1183  // display X offset
1184  mxf_write_local_tag(s, 4, 0x320A);
1185  avio_wb32(pb, 0);
1186 
1187  // display Y offset
1188  mxf_write_local_tag(s, 4, 0x320B);
1189  avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1190 
1191  if (sc->interlaced) {
1192  //Display F2 Offset
1193  mxf_write_local_tag(s, 4, 0x3217);
1194  avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1195  }
1196 
1197  // component depth
1198  mxf_write_local_tag(s, 4, 0x3301);
1199  avio_wb32(pb, sc->component_depth);
1200 
1201  // horizontal subsampling
1202  mxf_write_local_tag(s, 4, 0x3302);
1203  avio_wb32(pb, sc->h_chroma_sub_sample);
1204 
1205  // vertical subsampling
1206  mxf_write_local_tag(s, 4, 0x3308);
1207  avio_wb32(pb, sc->v_chroma_sub_sample);
1208 
1209  // color siting
1210  mxf_write_local_tag(s, 1, 0x3303);
1211  avio_w8(pb, sc->color_siting);
1212 
1213  // Padding Bits
1214  mxf_write_local_tag(s, 2, 0x3307);
1215  avio_wb16(pb, 0);
1216 
1218  int black = 0,
1219  white = (1<<sc->component_depth) - 1,
1220  color = (1<<sc->component_depth);
1221  if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1222  black = 1 << (sc->component_depth - 4);
1223  white = 235 << (sc->component_depth - 8);
1224  color = (14 << (sc->component_depth - 4)) + 1;
1225  }
1226  mxf_write_local_tag(s, 4, 0x3304);
1227  avio_wb32(pb, black);
1228  mxf_write_local_tag(s, 4, 0x3305);
1229  avio_wb32(pb, white);
1230  mxf_write_local_tag(s, 4, 0x3306);
1231  avio_wb32(pb, color);
1232  }
1233 
1234  if (sc->signal_standard) {
1235  mxf_write_local_tag(s, 1, 0x3215);
1236  avio_w8(pb, sc->signal_standard);
1237  }
1238 
1239  // frame layout
1240  mxf_write_local_tag(s, 1, 0x320C);
1241  avio_w8(pb, sc->interlaced);
1242 
1243  // video line map
1244  switch (st->codecpar->height) {
1245  case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1246  case 608: f1 = 7; f2 = 320; break;
1247  case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1248  case 512: f1 = 7; f2 = 270; break;
1249  case 720: f1 = 26; f2 = 0; break; // progressive
1250  case 1080: f1 = 21; f2 = 584; break;
1251  default: f1 = 0; f2 = 0; break;
1252  }
1253 
1254  if (!sc->interlaced && f2) {
1255  f2 = 0;
1256  f1 *= 2;
1257  }
1258 
1259 
1260  mxf_write_local_tag(s, 16, 0x320D);
1261  avio_wb32(pb, 2);
1262  avio_wb32(pb, 4);
1263  avio_wb32(pb, f1);
1264  avio_wb32(pb, f2);
1265 
1266  mxf_write_local_tag(s, 8, 0x320E);
1267  avio_wb32(pb, sc->aspect_ratio.num);
1268  avio_wb32(pb, sc->aspect_ratio.den);
1269 
1270  if (color_primaries_ul->uid[0]) {
1271  mxf_write_local_tag(s, 16, 0x3219);
1272  avio_write(pb, color_primaries_ul->uid, 16);
1273  };
1274 
1275  if (color_trc_ul->uid[0]) {
1276  mxf_write_local_tag(s, 16, 0x3210);
1277  avio_write(pb, color_trc_ul->uid, 16);
1278  };
1279 
1280  if (color_space_ul->uid[0]) {
1281  mxf_write_local_tag(s, 16, 0x321A);
1282  avio_write(pb, color_space_ul->uid, 16);
1283  };
1284 
1285  mxf_write_local_tag(s, 16, 0x3201);
1286  avio_write(pb, *sc->codec_ul, 16);
1287 
1288  // Mastering Display metadata
1290  if (side_data) {
1291  const AVMasteringDisplayMetadata *metadata = (const AVMasteringDisplayMetadata*)side_data;
1292  if (metadata->has_primaries) {
1293  mxf_write_local_tag(s, 12, 0x8301);
1300  mxf_write_local_tag(s, 4, 0x8302);
1301  avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[0]));
1302  avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[1]));
1303  } else {
1304  av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display primaries. Missing data.\n");
1305  }
1306  if (metadata->has_luminance) {
1307  mxf_write_local_tag(s, 4, 0x8303);
1309  mxf_write_local_tag(s, 4, 0x8304);
1311  } else {
1312  av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display luminances. Missing data.\n");
1313  }
1314  }
1315 
1316  if (sc->interlaced && sc->field_dominance) {
1317  mxf_write_local_tag(s, 1, 0x3212);
1318  avio_w8(pb, sc->field_dominance);
1319  }
1320 
1321  if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1322  // write avc sub descriptor ref
1323  mxf_write_local_tag(s, 8 + 16, 0x8100);
1324  mxf_write_refs_count(pb, 1);
1326  }
1327 
1328  return pos;
1329 }
1330 
1331 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1332 {
1333  int64_t cur_pos = avio_tell(pb);
1334  int size = cur_pos - pos;
1335  avio_seek(pb, pos - 4, SEEK_SET);
1337  avio_seek(pb, cur_pos, SEEK_SET);
1338 }
1339 
1341 {
1342  AVIOContext *pb = s->pb;
1343  int64_t pos;
1344 
1346  klv_encode_ber4_length(pb, 0);
1347  pos = avio_tell(pb);
1348 
1349  mxf_write_local_tag(s, 16, 0x3C0A);
1351 
1352  mxf_write_local_tag(s, 1, 0x8200);
1353  avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1354 
1355  mxf_write_local_tag(s, 1, 0x8201);
1356  avio_w8(pb, st->codecpar->profile); // AVC Profile
1357 
1358  mxf_write_local_tag(s, 1, 0x8202);
1359  avio_w8(pb, st->codecpar->level); // AVC Level
1360 
1361  mxf_update_klv_size(s->pb, pos);
1362 }
1363 
1365 {
1367  mxf_update_klv_size(s->pb, pos);
1368 
1369  if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1370  mxf_write_avc_subdesc(s, st);
1371  }
1372 }
1373 
1375 {
1376  MXFStreamContext *sc = st->priv_data;
1377  if (sc->avc_intra) {
1379  } else {
1381  mxf_update_klv_size(s->pb, pos);
1382  mxf_write_avc_subdesc(s, st);
1383  }
1384 }
1385 
1387 {
1389  mxf_update_klv_size(s->pb, pos);
1390 }
1391 
1393 {
1394  AVIOContext *pb = s->pb;
1395  MXFStreamContext *sc = st->priv_data;
1396  int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1398 
1399  if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1400  // bit rate
1401  mxf_write_local_tag(s, 4, 0x8000);
1402  avio_wb32(pb, sc->video_bit_rate);
1403 
1404  // profile and level
1405  mxf_write_local_tag(s, 1, 0x8007);
1406  if (!st->codecpar->profile)
1407  profile_and_level |= 0x80; // escape bit
1408  avio_w8(pb, profile_and_level);
1409 
1410  // low delay
1411  mxf_write_local_tag(s, 1, 0x8003);
1412  avio_w8(pb, sc->low_delay);
1413 
1414  // closed gop
1415  mxf_write_local_tag(s, 1, 0x8004);
1416  avio_w8(pb, sc->seq_closed_gop);
1417 
1418  // max gop
1419  mxf_write_local_tag(s, 2, 0x8006);
1420  avio_wb16(pb, sc->max_gop);
1421 
1422  // b picture count
1423  mxf_write_local_tag(s, 2, 0x8008);
1424  avio_wb16(pb, sc->b_picture_count);
1425  }
1426 
1427  mxf_update_klv_size(pb, pos);
1428 }
1429 
1431 {
1432  AVIOContext *pb = s->pb;
1433  MXFContext *mxf = s->priv_data;
1434  int show_warnings = !mxf->footer_partition_offset;
1435  int64_t pos = mxf_write_generic_desc(s, st, key);
1436 
1437  if (s->oformat == &ff_mxf_opatom_muxer) {
1438  mxf_write_local_tag(s, 8, 0x3002);
1439  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1440  }
1441 
1442  // audio locked
1443  mxf_write_local_tag(s, 1, 0x3D02);
1444  avio_w8(pb, 1);
1445 
1446  // write audio sampling rate
1447  mxf_write_local_tag(s, 8, 0x3D03);
1448  avio_wb32(pb, st->codecpar->sample_rate);
1449  avio_wb32(pb, 1);
1450 
1451  if (s->oformat == &ff_mxf_d10_muxer) {
1452  mxf_write_local_tag(s, 1, 0x3D04);
1453  avio_w8(pb, 0);
1454  }
1455 
1456  mxf_write_local_tag(s, 4, 0x3D07);
1457  if (mxf->channel_count == -1) {
1458  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1459  av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1460  avio_wb32(pb, st->codecpar->channels);
1461  } else if (s->oformat == &ff_mxf_d10_muxer) {
1462  if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1463  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1464  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1465  av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1466  avio_wb32(pb, mxf->channel_count);
1467  } else {
1468  avio_wb32(pb, st->codecpar->channels);
1469  }
1470 
1471  mxf_write_local_tag(s, 4, 0x3D01);
1473 
1474  return pos;
1475 }
1476 
1478 {
1479  AVIOContext *pb = s->pb;
1480  int64_t pos = mxf_write_generic_sound_common(s, st, key);
1481 
1482  mxf_write_local_tag(s, 2, 0x3D0A);
1483  avio_wb16(pb, st->codecpar->block_align);
1484 
1485  // avg bytes per sec
1486  mxf_write_local_tag(s, 4, 0x3D09);
1488 
1489  return pos;
1490 }
1491 
1493 {
1495  mxf_update_klv_size(s->pb, pos);
1496 }
1497 
1499 {
1501  mxf_update_klv_size(s->pb, pos);
1502 }
1503 
1505 {
1507  mxf_update_klv_size(s->pb, pos);
1508 }
1509 
1510 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1511 
1512 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1513 {
1514  MXFContext *mxf = s->priv_data;
1515  AVIOContext *pb = s->pb;
1516  int name_size = mxf_utf16_local_tag_length(name);
1517  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1518 
1519  if (!name_size || indirect_value_size == 13)
1520  return 1;
1521 
1522  mxf_write_metadata_key(pb, 0x013f00);
1523  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1524 
1525  // write instance UID
1526  mxf_write_local_tag(s, 16, 0x3C0A);
1528 
1529  // write name
1530  mxf_write_local_tag_utf16(s, 0x5001, name); // Name
1531 
1532  // write indirect value
1533  mxf_write_local_tag(s, indirect_value_size, 0x5003);
1535  avio_put_str16le(pb, value);
1536 
1537  mxf->tagged_value_count++;
1538  return 0;
1539 }
1540 
1542 {
1543  MXFContext *mxf = s->priv_data;
1544  AVDictionaryEntry *t = NULL;
1545  int count = 0;
1546 
1547  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1548  if (mxf->tagged_value_count >= UINT16_MAX) {
1549  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1550  return count;
1551  }
1552 
1553  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1554  count++;
1555  }
1556  return count;
1557 }
1558 
1560 {
1561  MXFContext *mxf = s->priv_data;
1562  AVIOContext *pb = s->pb;
1563  int i, track_count = s->nb_streams+1;
1564  int name_size = mxf_utf16_local_tag_length(package->name);
1565  int user_comment_count = 0;
1566 
1567  if (package->type == MaterialPackage) {
1568  if (mxf->store_user_comments)
1569  user_comment_count = mxf_write_user_comments(s, s->metadata);
1570  mxf_write_metadata_key(pb, 0x013600);
1571  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1572  klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1573  } else {
1574  mxf_write_metadata_key(pb, 0x013700);
1575  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1576  klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1577  }
1578 
1579  // write uid
1580  mxf_write_local_tag(s, 16, 0x3C0A);
1581  mxf_write_uuid(pb, package->type, package->instance);
1582  av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1583  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1584 
1585  // write package umid
1586  mxf_write_local_tag(s, 32, 0x4401);
1587  mxf_write_umid(s, package->instance);
1588  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1589 
1590  // package name
1591  if (name_size)
1592  mxf_write_local_tag_utf16(s, 0x4402, package->name);
1593 
1594  // package creation date
1595  mxf_write_local_tag(s, 8, 0x4405);
1596  avio_wb64(pb, mxf->timestamp);
1597 
1598  // package modified date
1599  mxf_write_local_tag(s, 8, 0x4404);
1600  avio_wb64(pb, mxf->timestamp);
1601 
1602  // write track refs
1603  mxf_write_local_tag(s, track_count*16 + 8, 0x4403);
1604  mxf_write_refs_count(pb, track_count);
1605  // these are the uuids of the tracks the will be written in mxf_write_track
1606  for (i = 0; i < track_count; i++)
1608 
1609  // write user comment refs
1610  if (mxf->store_user_comments) {
1611  mxf_write_local_tag(s, user_comment_count*16 + 8, 0x4406);
1612  mxf_write_refs_count(pb, user_comment_count);
1613  for (i = 0; i < user_comment_count; i++)
1614  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1615  }
1616 
1617  // write multiple descriptor reference
1618  if (package->type == SourcePackage && package->instance == 1) {
1619  mxf_write_local_tag(s, 16, 0x4701);
1620  if (s->nb_streams > 1) {
1623  } else
1624  mxf_write_uuid(pb, SubDescriptor, 0);
1625  } else if (package->type == SourcePackage && package->instance == 2) {
1626  mxf_write_local_tag(s, 16, 0x4701);
1629  }
1630 
1631  /*
1632  * for every 1 track in a package there is 1 sequence and 1 component.
1633  * all 3 of these elements share the same instance number for generating
1634  * there instance uuids. mxf->track_instance_count stores this value.
1635  * mxf->track_instance_count is incremented after a group of all 3 of
1636  * these elements are written.
1637  */
1638 
1639  // write timecode track
1640  mxf_write_track(s, mxf->timecode_track, package);
1641  mxf_write_sequence(s, mxf->timecode_track, package);
1643  mxf->track_instance_count++;
1644 
1645  for (i = 0; i < s->nb_streams; i++) {
1646  AVStream *st = s->streams[i];
1647  mxf_write_track(s, st, package);
1648  mxf_write_sequence(s, st, package);
1649  mxf_write_structural_component(s, st, package);
1650  mxf->track_instance_count++;
1651 
1652  if (package->type == SourcePackage && package->instance == 1) {
1653  MXFStreamContext *sc = st->priv_data;
1655  }
1656  }
1657 }
1658 
1660 {
1661  AVIOContext *pb = s->pb;
1662 
1663  mxf_write_metadata_key(pb, 0x012300);
1664  klv_encode_ber_length(pb, 72);
1665 
1666  mxf_write_local_tag(s, 16, 0x3C0A); // Instance UID
1668 
1669  mxf_write_local_tag(s, 32, 0x2701); // Linked Package UID
1670  mxf_write_umid(s, 1);
1671 
1672  mxf_write_local_tag(s, 4, 0x3F07); // BodySID
1673  avio_wb32(pb, 1);
1674 
1675  mxf_write_local_tag(s, 4, 0x3F06); // IndexSID
1676  avio_wb32(pb, 2);
1677 
1678  return 0;
1679 }
1680 
1682 {
1683  MXFContext *mxf = s->priv_data;
1684  AVDictionaryEntry *entry = NULL;
1685  AVStream *st = NULL;
1686  int i;
1687  MXFPackage packages[3] = {{0}};
1688  int package_count = 2;
1689  packages[0].type = MaterialPackage;
1690  packages[1].type = SourcePackage;
1691  packages[1].instance = 1;
1692  packages[0].ref = &packages[1];
1693 
1694 
1695  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1696  packages[0].name = entry->value;
1697 
1698  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1699  packages[1].name = entry->value;
1700  } else {
1701  /* check if any of the streams contain a file_package_name */
1702  for (i = 0; i < s->nb_streams; i++) {
1703  st = s->streams[i];
1704  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1705  packages[1].name = entry->value;
1706  break;
1707  }
1708  }
1709  }
1710 
1711  entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1712  if (entry) {
1713  packages[2].name = entry->value;
1714  packages[2].type = SourcePackage;
1715  packages[2].instance = 2;
1716  packages[1].ref = &packages[2];
1717  package_count = 3;
1718  }
1719 
1722  mxf_write_content_storage(s, packages, package_count);
1723  mxf->track_instance_count = 0;
1724  for (i = 0; i < package_count; i++)
1725  mxf_write_package(s, &packages[i]);
1727  return 0;
1728 }
1729 
1730 static unsigned klv_fill_size(uint64_t size)
1731 {
1732  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1733  if (pad < 20) // smallest fill item possible
1734  return pad + KAG_SIZE;
1735  else
1736  return pad & (KAG_SIZE-1);
1737 }
1738 
1740 {
1741  MXFContext *mxf = s->priv_data;
1742  AVIOContext *pb = s->pb;
1743  int i, j, temporal_reordering = 0;
1744  int key_index = mxf->last_key_index;
1745  int prev_non_b_picture = 0;
1746  int audio_frame_size = 0;
1747  int64_t pos;
1748 
1749  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1750 
1751  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1752  return;
1753 
1755 
1756  klv_encode_ber4_length(pb, 0);
1757  pos = avio_tell(pb);
1758 
1759  // instance id
1760  mxf_write_local_tag(s, 16, 0x3C0A);
1762 
1763  // index edit rate
1764  mxf_write_local_tag(s, 8, 0x3F0B);
1765  avio_wb32(pb, mxf->time_base.den);
1766  avio_wb32(pb, mxf->time_base.num);
1767 
1768  // index start position
1769  mxf_write_local_tag(s, 8, 0x3F0C);
1771 
1772  // index duration
1773  mxf_write_local_tag(s, 8, 0x3F0D);
1774  if (mxf->edit_unit_byte_count)
1775  avio_wb64(pb, 0); // index table covers whole container
1776  else
1777  avio_wb64(pb, mxf->edit_units_count);
1778 
1779  // edit unit byte count
1780  mxf_write_local_tag(s, 4, 0x3F05);
1781  avio_wb32(pb, mxf->edit_unit_byte_count);
1782 
1783  // index sid
1784  mxf_write_local_tag(s, 4, 0x3F06);
1785  avio_wb32(pb, 2);
1786 
1787  // body sid
1788  mxf_write_local_tag(s, 4, 0x3F07);
1789  avio_wb32(pb, 1);
1790 
1791  // real slice count - 1
1792  mxf_write_local_tag(s, 1, 0x3F08);
1793  avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1794 
1795  // delta entry array
1796  mxf_write_local_tag(s, 8 + (s->nb_streams+1)*6, 0x3F09);
1797  avio_wb32(pb, s->nb_streams+1); // num of entries
1798  avio_wb32(pb, 6); // size of one entry
1799  // write system item delta entry
1800  avio_w8(pb, 0);
1801  avio_w8(pb, 0); // slice entry
1802  avio_wb32(pb, 0); // element delta
1803  // write each stream delta entry
1804  for (i = 0; i < s->nb_streams; i++) {
1805  AVStream *st = s->streams[i];
1806  MXFStreamContext *sc = st->priv_data;
1807  avio_w8(pb, sc->temporal_reordering);
1808  if (sc->temporal_reordering)
1809  temporal_reordering = 1;
1810  if (mxf->edit_unit_byte_count) {
1811  avio_w8(pb, 0); // slice number
1812  avio_wb32(pb, sc->slice_offset);
1813  } else if (i == 0) { // video track
1814  avio_w8(pb, 0); // slice number
1815  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1816  } else { // audio or data track
1817  if (!audio_frame_size) {
1818  audio_frame_size = sc->frame_size;
1819  audio_frame_size += klv_fill_size(audio_frame_size);
1820  }
1821  avio_w8(pb, 1);
1822  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1823  }
1824  }
1825 
1826  if (!mxf->edit_unit_byte_count) {
1827  MXFStreamContext *sc = s->streams[0]->priv_data;
1828  mxf_write_local_tag(s, 8 + mxf->edit_units_count*15, 0x3F0A);
1829  avio_wb32(pb, mxf->edit_units_count); // num of entries
1830  avio_wb32(pb, 15); // size of one entry
1831 
1832  for (i = 0; i < mxf->edit_units_count; i++) {
1833  int temporal_offset = 0;
1834 
1835  if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1836  sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1837  mxf->last_key_index = key_index;
1838  key_index = i;
1839  }
1840 
1841  if (temporal_reordering) {
1842  int pic_num_in_gop = i - key_index;
1843  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1844  for (j = key_index; j < mxf->edit_units_count; j++) {
1845  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1846  break;
1847  }
1848  if (j == mxf->edit_units_count)
1849  av_log(s, AV_LOG_WARNING, "missing frames\n");
1850  temporal_offset = j - key_index - pic_num_in_gop;
1851  }
1852  }
1853  avio_w8(pb, temporal_offset);
1854 
1855  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1856  sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1857  avio_w8(pb, mxf->last_key_index - i);
1858  } else {
1859  avio_w8(pb, key_index - i); // key frame offset
1860  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1861  mxf->last_key_index = key_index;
1862  prev_non_b_picture = i;
1863  }
1864 
1865  if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1866  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1867  mxf->index_entries[i].flags |= 0x80; // random access
1868  avio_w8(pb, mxf->index_entries[i].flags);
1869  // stream offset
1870  avio_wb64(pb, mxf->index_entries[i].offset);
1871  if (s->nb_streams > 1)
1873  else
1874  avio_wb32(pb, 0);
1875  }
1876 
1877  mxf->last_key_index = key_index - mxf->edit_units_count;
1879  mxf->edit_units_count = 0;
1880  }
1881 
1882  mxf_update_klv_size(pb, pos);
1883 }
1884 
1886 {
1887  unsigned pad = klv_fill_size(avio_tell(s->pb));
1888  if (pad) {
1889  avio_write(s->pb, klv_fill_key, 16);
1890  pad -= 16 + 4;
1891  klv_encode_ber4_length(s->pb, pad);
1892  ffio_fill(s->pb, 0, pad);
1893  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1894  }
1895 }
1896 
1897 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1898  int indexsid,
1899  const uint8_t *key, int write_metadata)
1900 {
1901  MXFContext *mxf = s->priv_data;
1902  AVIOContext *pb = s->pb;
1903  int64_t header_byte_count_offset;
1904  unsigned index_byte_count = 0;
1905  uint64_t partition_offset = avio_tell(pb);
1906  int err;
1907 
1908  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1909  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1910  12+mxf->edit_units_count*15;
1911  else if (mxf->edit_unit_byte_count && indexsid)
1912  index_byte_count = 80;
1913 
1914  if (index_byte_count) {
1915  index_byte_count += 16 + 4; // add encoded ber4 length
1916  index_byte_count += klv_fill_size(index_byte_count);
1917  }
1918 
1919  if (key && !memcmp(key, body_partition_key, 16)) {
1921  sizeof(*mxf->body_partition_offset))) < 0) {
1922  mxf->body_partitions_count = 0;
1923  return err;
1924  }
1925  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1926  }
1927 
1928  // write klv
1929  if (key)
1930  avio_write(pb, key, 16);
1931  else
1932  avio_write(pb, body_partition_key, 16);
1933 
1935 
1936  // write partition value
1937  avio_wb16(pb, 1); // majorVersion
1938  avio_wb16(pb, 3); // minorVersion
1939  avio_wb32(pb, KAG_SIZE); // KAGSize
1940 
1941  avio_wb64(pb, partition_offset); // ThisPartition
1942 
1943  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1944  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1945  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1946  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1947  else
1948  avio_wb64(pb, 0);
1949 
1950  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1951 
1952  // set offset
1953  header_byte_count_offset = avio_tell(pb);
1954  avio_wb64(pb, 0); // headerByteCount, update later
1955 
1956  // indexTable
1957  avio_wb64(pb, index_byte_count); // indexByteCount
1958  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1959 
1960  // BodyOffset
1961  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1962  avio_wb64(pb, mxf->body_offset);
1963  else
1964  avio_wb64(pb, 0);
1965 
1966  avio_wb32(pb, bodysid); // bodySID
1967 
1968  // operational pattern
1969  if (s->oformat == &ff_mxf_opatom_muxer)
1970  avio_write(pb, opatom_ul, 16);
1971  else
1972  avio_write(pb, op1a_ul, 16);
1973 
1974  // essence container
1976 
1977  if (write_metadata) {
1978  // mark the start of the headermetadata and calculate metadata size
1979  int64_t pos, start;
1980  unsigned header_byte_count;
1981 
1983  start = avio_tell(s->pb);
1987  pos = avio_tell(s->pb);
1988  header_byte_count = pos - start + klv_fill_size(pos);
1989 
1990  // update header_byte_count
1991  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1992  avio_wb64(pb, header_byte_count);
1993  avio_seek(pb, pos, SEEK_SET);
1994  }
1995 
1996  if(key)
1998 
1999  return 0;
2000 }
2001 
2002 static const struct {
2003  int profile;
2005 } mxf_prores_codec_uls[] = {
2006  { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
2007  { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
2008  { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
2009  { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
2010  { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
2011  { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
2012 };
2013 
2015 {
2016  MXFContext *mxf = s->priv_data;
2017  MXFStreamContext *sc = st->priv_data;
2018  int i, profile;
2019 
2020  if (mxf->header_written)
2021  return 1;
2022 
2023  profile = st->codecpar->profile;
2024  for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
2026  sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
2027  break;
2028  }
2029  }
2031  return 0;
2032 
2033  sc->frame_size = pkt->size;
2034 
2035  return 1;
2036 }
2037 
2038 static const struct {
2039  int cid;
2040  UID codec_ul;
2041 } mxf_dnxhd_codec_uls[] = {
2042  { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
2043  { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
2044  { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
2045  { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
2046  { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
2047  { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
2048  { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
2049  { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
2050  { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
2051  { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
2052  { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
2053  { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
2054  { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
2055  { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
2056  { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
2057  { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
2058  { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
2059  { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
2060  { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
2061  { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
2062 };
2063 
2065 {
2066  MXFContext *mxf = s->priv_data;
2067  MXFStreamContext *sc = st->priv_data;
2068  int i, cid, frame_size = 0;
2069 
2070  if (mxf->header_written)
2071  return 1;
2072 
2073  if (pkt->size < 43)
2074  return 0;
2075 
2076  cid = AV_RB32(pkt->data + 0x28);
2077  for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2078  if (cid == mxf_dnxhd_codec_uls[i].cid) {
2079  sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2080  break;
2081  }
2082  }
2084  return 0;
2085 
2086  sc->component_depth = 0;
2087  switch (pkt->data[0x21] >> 5) {
2088  case 1: sc->component_depth = 8; break;
2089  case 2: sc->component_depth = 10; break;
2090  case 3: sc->component_depth = 12; break;
2091  }
2092  if (!sc->component_depth)
2093  return 0;
2094 
2097  }
2098  if (frame_size < 0)
2099  return 0;
2100 
2101  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2102  return 0;
2103 
2104  if (cid >= 1270) { // RI raster
2106  st->codecpar->width, st->codecpar->height,
2107  INT_MAX);
2108  } else {
2109  sc->aspect_ratio = (AVRational){ 16, 9 };
2110  }
2111 
2112  sc->frame_size = pkt->size;
2113 
2114  return 1;
2115 }
2116 
2117 static const struct {
2119  const UID codec_ul;
2120 } mxf_dv_uls[] = {
2121  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2122  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2123  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2124  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2125  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2126  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2127  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2128  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2129  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2130  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2131  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2132  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2133  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2134  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2135  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2136  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2137  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2138  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2139  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2140  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2141 };
2142 
2144 {
2145  MXFContext *mxf = s->priv_data;
2146  MXFStreamContext *sc = st->priv_data;
2147  uint8_t *vs_pack, *vsc_pack;
2148  int apt, ul_index, stype, pal;
2149 
2150  if (mxf->header_written)
2151  return 1;
2152 
2153  // Check for minimal frame size
2154  if (pkt->size < 120000)
2155  return -1;
2156 
2157  apt = pkt->data[4] & 0x7;
2158  vs_pack = pkt->data + 80*5 + 48;
2159  vsc_pack = pkt->data + 80*5 + 53;
2160  stype = vs_pack[3] & 0x1f;
2161  pal = (vs_pack[3] >> 5) & 0x1;
2162 
2163  if ((vsc_pack[2] & 0x07) == 0x02) {
2164  sc->aspect_ratio = (AVRational){ 16, 9 };
2165  } else {
2166  sc->aspect_ratio = (AVRational){ 4, 3 };
2167  }
2168 
2169  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2170  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2171  // and set field dominance accordingly
2172  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2173 
2174  switch (stype) {
2175  case 0x18: // DV100 720p
2176  ul_index = 8+pal;
2177  if (sc->interlaced) {
2178  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2179  sc->interlaced = 0;
2180  }
2181  break;
2182  case 0x14: // DV100 1080i
2183  ul_index = 6+pal;
2184  break;
2185  case 0x04: // DV50
2186  ul_index = 4+pal;
2187  break;
2188  default: // DV25
2189  if (!apt) { // IEC
2190  ul_index = 0+pal;
2191  } else {
2192  ul_index = 2+pal;
2193  }
2194  }
2195 
2196  sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2197  sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2198 
2199  sc->frame_size = pkt->size;
2200 
2201  return 1;
2202 }
2203 
2204 static const struct {
2207  int profile;
2209  int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2210 } mxf_h264_codec_uls[] = {
2211  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2212  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2213  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2214  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2215  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2216  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2217  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2218  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2219  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i
2220  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i
2221  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p
2222  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p
2223  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p
2224  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p
2225  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2226  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i
2227  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i
2228  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p
2229  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p
2230  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p
2231  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p
2232  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2233  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2234 };
2235 
2237  AVPacket *pkt, MXFIndexEntry *e)
2238 {
2239  MXFContext *mxf = s->priv_data;
2240  MXFStreamContext *sc = st->priv_data;
2241  H264SPS seq, *const sps = &seq;
2242  GetBitContext gb;
2243  const uint8_t *buf = pkt->data;
2244  const uint8_t *buf_end = pkt->data + pkt->size;
2245  const uint8_t *nal_end;
2246  const UID *codec_ul = NULL;
2247  uint32_t state = -1;
2248  int extra_size = 512; // support AVC Intra files without SPS/PPS header
2249  int i, frame_size, slice_type, has_sps = 0, intra_only = 0, ret;
2250 
2251  for (;;) {
2252  buf = avpriv_find_start_code(buf, buf_end, &state);
2253  if (buf >= buf_end)
2254  break;
2255 
2256  switch (state & 0x1f) {
2257  case H264_NAL_SPS:
2258  e->flags |= 0x40;
2259 
2260  if (mxf->header_written)
2261  break;
2262 
2263  nal_end = ff_avc_find_startcode(buf, buf_end);
2264  ret = ff_avc_decode_sps(sps, buf, nal_end - buf);
2265  if (ret < 0) {
2266  av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2267  return 0;
2268  }
2269  has_sps = 1;
2270 
2271  sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2272  sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2274  sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2275  intra_only = (sps->constraint_set_flags >> 3) & 1;
2276  sc->interlaced = !sps->frame_mbs_only_flag;
2277  sc->component_depth = sps->bit_depth_luma;
2278 
2279  buf = nal_end;
2280  break;
2281  case H264_NAL_PPS:
2282  if (e->flags & 0x40) { // sequence header present
2283  e->flags |= 0x80; // random access
2284  extra_size = 0;
2285  }
2286  break;
2287  case H264_NAL_IDR_SLICE:
2288  e->flags |= 0x04; // IDR Picture
2289  buf = buf_end;
2290  break;
2291  case H264_NAL_SLICE:
2292  init_get_bits8(&gb, buf, buf_end - buf);
2293  get_ue_golomb_long(&gb); // skip first_mb_in_slice
2294  slice_type = get_ue_golomb_31(&gb);
2295  switch (slice_type % 5) {
2296  case 0:
2297  e->flags |= 0x20; // P Picture
2298  e->flags |= 0x06; // P Picture
2299  break;
2300  case 1:
2301  e->flags |= 0x30; // B Picture
2302  e->flags |= 0x03; // non-referenced B Picture
2303  break;
2304  }
2305  buf = buf_end;
2306  break;
2307  default:
2308  break;
2309  }
2310  }
2311 
2312  if (mxf->header_written)
2313  return 1;
2314 
2315  if (!has_sps)
2316  sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2317  frame_size = pkt->size + extra_size;
2318 
2319  for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2320  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2321  codec_ul = &mxf_h264_codec_uls[i].uid;
2322  sc->component_depth = 10; // AVC Intra is always 10 Bit
2323  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2324  st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2325  sc->avc_intra = 1;
2326  mxf->cbr_index = 1;
2327  sc->frame_size = pkt->size;
2328  if (sc->interlaced)
2329  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2330  break;
2331  } else if (has_sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2332  mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2333  (mxf_h264_codec_uls[i].intra_only < 0 ||
2334  mxf_h264_codec_uls[i].intra_only == intra_only)) {
2335  codec_ul = &mxf_h264_codec_uls[i].uid;
2336  st->codecpar->profile = sps->profile_idc;
2337  st->codecpar->level = sps->level_idc;
2338  // continue to check for avc intra
2339  }
2340  }
2341 
2342  if (!codec_ul) {
2343  av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2344  return 0;
2345  }
2346  sc->codec_ul = codec_ul;
2347 
2348  return 1;
2349 }
2350 
2351 static const UID mxf_mpeg2_codec_uls[] = {
2352  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2353  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2354  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2355  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2356  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2357  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2358  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2359  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2360  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2361  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2362 };
2363 
2365 {
2366  int long_gop = 1;
2367 
2368  if (par->profile == 4) { // Main
2369  if (par->level == 8) // Main
2370  return &mxf_mpeg2_codec_uls[0+long_gop];
2371  else if (par->level == 4) // High
2372  return &mxf_mpeg2_codec_uls[4+long_gop];
2373  else if (par->level == 6) // High 14
2374  return &mxf_mpeg2_codec_uls[8+long_gop];
2375  } else if (par->profile == 0) { // 422
2376  if (par->level == 5) // Main
2377  return &mxf_mpeg2_codec_uls[2+long_gop];
2378  else if (par->level == 2) // High
2379  return &mxf_mpeg2_codec_uls[6+long_gop];
2380  }
2381  return NULL;
2382 }
2383 
2385  AVPacket *pkt, MXFIndexEntry *e)
2386 {
2387  MXFStreamContext *sc = st->priv_data;
2388  uint32_t c = -1;
2389  int i;
2390 
2391  for(i = 0; i < pkt->size - 4; i++) {
2392  c = (c<<8) + pkt->data[i];
2393  if (c == 0x1b5) {
2394  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2395  st->codecpar->profile = pkt->data[i+1] & 0x07;
2396  st->codecpar->level = pkt->data[i+2] >> 4;
2397  sc->low_delay = pkt->data[i+6] >> 7;
2398  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2399  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2400  if (sc->interlaced)
2401  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2402  break;
2403  }
2404  } else if (c == 0x1b8) { // gop
2405  if (pkt->data[i+4]>>6 & 0x01) { // closed
2406  if (sc->seq_closed_gop == -1)
2407  sc->seq_closed_gop = 1;
2408  sc->closed_gop = 1;
2409  if (e->flags & 0x40) // sequence header present
2410  e->flags |= 0x80; // random access
2411  } else {
2412  sc->seq_closed_gop = 0;
2413  sc->closed_gop = 0;
2414  }
2415  } else if (c == 0x1b3) { // seq
2416  e->flags |= 0x40;
2417  switch ((pkt->data[i+4]>>4) & 0xf) {
2418  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2419  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2420  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2421  default:
2423  st->codecpar->width, st->codecpar->height, 1024*1024);
2424  }
2425  } else if (c == 0x100) { // pic
2426  int pict_type = (pkt->data[i+2]>>3) & 0x07;
2427  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2428  if (pict_type == 2) { // P-frame
2429  e->flags |= 0x22;
2430  sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2431  } else if (pict_type == 3) { // B-frame
2432  if (sc->closed_gop)
2433  e->flags |= 0x13; // only backward prediction
2434  else
2435  e->flags |= 0x33;
2436  sc->temporal_reordering = -1;
2437  } else if (!pict_type) {
2438  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2439  return 0;
2440  }
2441  }
2442  }
2443  if (s->oformat != &ff_mxf_d10_muxer) {
2445  if (!codec_ul)
2446  return 0;
2447  sc->codec_ul = codec_ul;
2448  }
2449  return 1;
2450 }
2451 
2452 static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2453 {
2454  time_t timestamp = timestamp64 / 1000000;
2455  struct tm tmbuf;
2456  struct tm *time = gmtime_r(&timestamp, &tmbuf);
2457  if (!time)
2458  return 0;
2459  return (uint64_t)(time->tm_year+1900) << 48 |
2460  (uint64_t)(time->tm_mon+1) << 40 |
2461  (uint64_t) time->tm_mday << 32 |
2462  time->tm_hour << 24 |
2463  time->tm_min << 16 |
2464  time->tm_sec << 8 |
2465  (timestamp64 % 1000000) / 4000;
2466 }
2467 
2469 {
2470  MXFContext *mxf = s->priv_data;
2471  uint32_t seed = av_get_random_seed();
2472  uint64_t umid = seed + 0x5294713400000000LL;
2473 
2474  AV_WB64(mxf->umid , umid);
2475  AV_WB64(mxf->umid+8, umid>>8);
2476 
2477  mxf->instance_number = seed & 0xFFFFFF;
2478 }
2479 
2481 {
2482  MXFContext *mxf = s->priv_data;
2483  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2484 
2485  if (!ff_mxf_get_content_package_rate(tbc)) {
2486  if (s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
2487  av_log(s, AV_LOG_ERROR, "Unsupported frame rate %d/%d. Set -strict option to 'unofficial' or lower in order to allow it!\n", tbc.den, tbc.num);
2488  return AVERROR(EINVAL);
2489  } else {
2490  av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num);
2491  }
2492  }
2493 
2494  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2495  if (!tcr)
2496  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2497 
2498  if (tcr)
2499  return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s);
2500  else
2501  return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s);
2502 }
2503 
2505 {
2506  MXFContext *mxf = s->priv_data;
2507  int i, ret;
2509  int64_t timestamp = 0;
2510 
2511  if (!s->nb_streams)
2512  return -1;
2513 
2514  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2515  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2516  return -1;
2517  }
2518 
2519  if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2520  mxf->store_user_comments = 0;
2521 
2522  for (i = 0; i < s->nb_streams; i++) {
2523  AVStream *st = s->streams[i];
2524  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2525  if (!sc)
2526  return AVERROR(ENOMEM);
2527  st->priv_data = sc;
2528  sc->index = -1;
2529 
2530  if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2531  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2532  return -1;
2533  }
2534 
2535  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2536  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2537  // TODO: should be avg_frame_rate
2538  AVRational tbc = st->time_base;
2539  // Default component depth to 8
2540  sc->component_depth = 8;
2541  sc->h_chroma_sub_sample = 2;
2542  sc->v_chroma_sub_sample = 2;
2543  sc->color_siting = 0xFF;
2544 
2547  av_make_q(st->codecpar->width, st->codecpar->height));
2548  }
2549 
2550  if (pix_desc) {
2551  sc->component_depth = pix_desc->comp[0].depth;
2552  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2553  sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2554  }
2555  switch (ff_choose_chroma_location(s, st)) {
2556  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2557  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2558  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2559  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2560  }
2561 
2563  mxf->time_base = tbc;
2564  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2565  if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2566  return ret;
2567 
2569  sc->seq_closed_gop = -1; // unknown yet
2570  }
2571 
2572  sc->video_bit_rate = st->codecpar->bit_rate;
2573 
2574  if (s->oformat == &ff_mxf_d10_muxer ||
2577  mxf->cbr_index = 1;
2578 
2579  if (s->oformat == &ff_mxf_d10_muxer) {
2580  int ntsc = mxf->time_base.den != 25;
2581  int ul_index;
2582 
2584  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2585  return AVERROR(EINVAL);
2586  }
2587  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2588  ul_index = 0;
2589  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2590  ul_index = 1;
2591  } else if (sc->video_bit_rate == 40000000) {
2592  ul_index = 2+ntsc;
2593  } else if (sc->video_bit_rate == 30000000) {
2594  ul_index = 4+ntsc;
2595  } else {
2596  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2597  return -1;
2598  }
2599 
2600  sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2601  sc->container_ul = &mxf_d10_container_uls[ul_index];
2602  sc->index = INDEX_D10_VIDEO;
2603  sc->signal_standard = 1;
2604  sc->color_siting = 0;
2605  sc->frame_size = (int64_t)sc->video_bit_rate *
2606  mxf->time_base.num / (8*mxf->time_base.den);
2607  }
2608  if (mxf->signal_standard >= 0)
2609  sc->signal_standard = mxf->signal_standard;
2610  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2611  char bsf_arg[32];
2612  if (st->codecpar->sample_rate != 48000) {
2613  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2614  return -1;
2615  }
2616  avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2617  if (s->oformat == &ff_mxf_d10_muxer) {
2618  if (st->index != 1) {
2619  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2620  return -1;
2621  }
2622  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2624  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2625  }
2626  sc->index = INDEX_D10_AUDIO;
2627  sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
2628  sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4;
2629  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2630  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2631 
2632  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2634  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2635  return AVERROR_PATCHWELCOME;
2636  }
2637  if (st->codecpar->channels != 1) {
2638  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2639  return AVERROR(EINVAL);
2640  }
2641 
2642  mxf->time_base = st->time_base;
2643  if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2644  return ret;
2645 
2647  sc->index = INDEX_WAV;
2648  } else {
2649  mxf->slice_count = 1;
2650  sc->frame_size = st->codecpar->channels *
2653  }
2654  snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den);
2655  ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg);
2656  if (ret < 0)
2657  return ret;
2658  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
2659  AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
2660  if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
2661  sc->index = INDEX_S436M;
2662  } else {
2663  av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
2664  return -1;
2665  }
2666  if (st->index != s->nb_streams - 1) {
2667  av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
2668  return -1;
2669  }
2670  }
2671 
2672  if (sc->index == -1) {
2674  if (sc->index == -1) {
2675  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2676  "codec not currently supported in container\n", i);
2677  return -1;
2678  }
2679  }
2680 
2681  if (!sc->codec_ul)
2683  if (!sc->container_ul)
2685 
2687  sc->track_essence_element_key[15] = present[sc->index];
2688  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2689 
2690  if (!present[sc->index])
2691  mxf->essence_container_count++;
2692  present[sc->index]++;
2693  }
2694 
2695  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2696  mxf->essence_container_count = 1;
2697  }
2698 
2699  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2700  mxf_gen_umid(s);
2701 
2702  for (i = 0; i < s->nb_streams; i++) {
2703  MXFStreamContext *sc = s->streams[i]->priv_data;
2704  // update element count
2705  sc->track_essence_element_key[13] = present[sc->index];
2707  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2708  else
2709  sc->order = AV_RB32(sc->track_essence_element_key+12);
2710  }
2711 
2712  if (ff_parse_creation_time_metadata(s, &timestamp, 0) > 0)
2713  mxf->timestamp = mxf_parse_timestamp(timestamp);
2714  mxf->duration = -1;
2715 
2716  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2717  if (!mxf->timecode_track)
2718  return AVERROR(ENOMEM);
2720  if (!mxf->timecode_track->priv_data)
2721  return AVERROR(ENOMEM);
2722  mxf->timecode_track->index = -1;
2723 
2724  return 0;
2725 }
2726 
2727 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2728 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2729 
2731 {
2732  MXFContext *mxf = s->priv_data;
2733  AVIOContext *pb = s->pb;
2734  unsigned frame;
2735  uint32_t time_code;
2736  int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2737 
2739 
2740  // write system metadata pack
2742  klv_encode_ber4_length(pb, 57);
2743 
2744  for (i = 0; i < s->nb_streams; i++) {
2745  if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
2746  system_item_bitmap |= 0x4;
2747  else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2748  system_item_bitmap |= 0x2;
2749  }
2750  avio_w8(pb, system_item_bitmap);
2751  avio_w8(pb, mxf->content_package_rate); // content package rate
2752  avio_w8(pb, 0x00); // content package type
2753  avio_wb16(pb, 0x00); // channel handle
2754  avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow
2755  if (mxf->essence_container_count > 1)
2756  avio_write(pb, multiple_desc_ul, 16);
2757  else {
2758  MXFStreamContext *sc = s->streams[0]->priv_data;
2759  avio_write(pb, *sc->container_ul, 16);
2760  }
2761  avio_w8(pb, 0);
2762  avio_wb64(pb, 0);
2763  avio_wb64(pb, 0); // creation date/time stamp
2764 
2765  avio_w8(pb, 0x81); // SMPTE 12M time code
2766  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2767  avio_wb32(pb, time_code);
2768  avio_wb32(pb, 0); // binary group data
2769  avio_wb64(pb, 0);
2770 
2771  // write system metadata package set
2773  klv_encode_ber4_length(pb, 35);
2774  avio_w8(pb, 0x83); // UMID
2775  avio_wb16(pb, 0x20);
2776  mxf_write_umid(s, 1);
2777 }
2778 
2780 {
2781  MXFContext *mxf = s->priv_data;
2782  AVIOContext *pb = s->pb;
2783  int frame_size = pkt->size / st->codecpar->block_align;
2784  uint8_t *samples = pkt->data;
2785  uint8_t *end = pkt->data + pkt->size;
2786  int i;
2787 
2788  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2789 
2790  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2791  avio_wl16(pb, frame_size);
2792  avio_w8(pb, (1<<st->codecpar->channels)-1);
2793 
2794  while (samples < end) {
2795  for (i = 0; i < st->codecpar->channels; i++) {
2796  uint32_t sample;
2797  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2798  sample = AV_RL24(samples)<< 4;
2799  samples += 3;
2800  } else {
2801  sample = AV_RL16(samples)<<12;
2802  samples += 2;
2803  }
2804  avio_wl32(pb, sample | i);
2805  }
2806  for (; i < 8; i++)
2807  avio_wl32(pb, i);
2808  }
2809 }
2810 
2812 {
2813  MXFContext *mxf = s->priv_data;
2814  AVIOContext *pb = s->pb;
2815  AVStream *st = s->streams[0];
2816  MXFStreamContext *sc = st->priv_data;
2817  const uint8_t *key = NULL;
2818 
2819  int err;
2820 
2821  if (!mxf->header_written)
2823 
2824  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2825  return err;
2829  return 0;
2830 }
2831 
2833 {
2834  MXFContext *mxf = s->priv_data;
2835  AVIOContext *pb = s->pb;
2836 
2837  int err;
2838 
2839  if (!mxf->header_written) {
2840  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2841  return err;
2843 
2844  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2845  return err;
2846  mxf->header_written = 1;
2847  }
2848 
2849  if (!mxf->edit_unit_byte_count) {
2851  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2853  }
2854  mxf->edit_units_count++;
2855  avio_write(pb, pkt->data, pkt->size);
2856  mxf->body_offset += pkt->size;
2857 
2858  return 0;
2859 }
2860 
2862 {
2863  MXFContext *mxf = s->priv_data;
2864  int i;
2865 
2866  if (s->oformat == &ff_mxf_opatom_muxer) {
2867  MXFStreamContext *sc = s->streams[0]->priv_data;
2868  mxf->edit_unit_byte_count = sc->frame_size;
2869  return;
2870  }
2871 
2872  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2873  for (i = 0; i < s->nb_streams; i++) {
2874  AVStream *st = s->streams[i];
2875  MXFStreamContext *sc = st->priv_data;
2877  mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2879  }
2880 }
2881 
2883 {
2884  MXFContext *mxf = s->priv_data;
2885  AVIOContext *pb = s->pb;
2886  AVStream *st = s->streams[pkt->stream_index];
2887  MXFStreamContext *sc = st->priv_data;
2888  MXFIndexEntry ie = {0};
2889  int err;
2890 
2891  if (!mxf->header_written && pkt->stream_index != 0 &&
2892  s->oformat != &ff_mxf_opatom_muxer) {
2893  av_log(s, AV_LOG_ERROR, "Received non-video packet before "
2894  "header has been written\n");
2895  return AVERROR_INVALIDDATA;
2896  }
2897 
2898  if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2899  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2900  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2901  mxf->edit_units_count = 0;
2902  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2903  return err;
2904  }
2905  }
2906 
2908  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2909  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2910  return -1;
2911  }
2912  } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2913  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2914  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2915  return -1;
2916  }
2917  } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
2918  if (!mxf_parse_prores_frame(s, st, pkt)) {
2919  av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
2920  return -1;
2921  }
2922  } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2923  if (!mxf_parse_dv_frame(s, st, pkt)) {
2924  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2925  return -1;
2926  }
2927  } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2928  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2929  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2930  return -1;
2931  }
2932  }
2933 
2934  if (mxf->cbr_index) {
2935  if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2936  av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2937  st->index, pkt->size, sc->frame_size);
2938  return -1;
2939  }
2940  if (!mxf->header_written)
2942  }
2943 
2944  if (s->oformat == &ff_mxf_opatom_muxer)
2945  return mxf_write_opatom_packet(s, pkt, &ie);
2946 
2947  if (!mxf->header_written) {
2948  if (mxf->edit_unit_byte_count) {
2949  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2950  return err;
2953  } else {
2954  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2955  return err;
2956  }
2957  mxf->header_written = 1;
2958  }
2959 
2960  if (st->index == 0) {
2961  if (!mxf->edit_unit_byte_count &&
2963  !(ie.flags & 0x33)) { // I-frame, GOP start
2965  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2966  return err;
2969  }
2970 
2973 
2974  if (!mxf->edit_unit_byte_count) {
2976  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2978  mxf->body_offset += KAG_SIZE; // size of system element
2979  }
2980  mxf->edit_units_count++;
2981  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2982  if (!mxf->edit_units_count) {
2983  av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2984  return AVERROR_PATCHWELCOME;
2985  }
2987  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2988  }
2989 
2991  avio_write(pb, sc->track_essence_element_key, 16); // write key
2992  if (s->oformat == &ff_mxf_d10_muxer &&
2995  } else {
2996  klv_encode_ber4_length(pb, pkt->size); // write length
2997  avio_write(pb, pkt->data, pkt->size);
2998  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2999  }
3000 
3001  return 0;
3002 }
3003 
3005 {
3006  MXFContext *mxf = s->priv_data;
3007  AVIOContext *pb = s->pb;
3008  uint64_t pos = avio_tell(pb);
3009  int i;
3010 
3012  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
3013 
3014  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
3015  avio_wb32(pb, 1); // BodySID of header partition
3016  else
3017  avio_wb32(pb, 0);
3018  avio_wb64(pb, 0); // offset of header partition
3019 
3020  for (i = 0; i < mxf->body_partitions_count; i++) {
3021  avio_wb32(pb, 1); // BodySID
3022  avio_wb64(pb, mxf->body_partition_offset[i]);
3023  }
3024 
3025  avio_wb32(pb, 0); // BodySID of footer partition
3027 
3028  avio_wb32(pb, avio_tell(pb) - pos + 4);
3029 }
3030 
3032 {
3033  MXFContext *mxf = s->priv_data;
3034  AVIOContext *pb = s->pb;
3035  int i, err;
3036 
3037  if (!mxf->header_written ||
3038  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
3039  /* reason could be invalid options/not supported codec/out of memory */
3040  return AVERROR_UNKNOWN;
3041  }
3042 
3044 
3047  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
3048  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
3049  return err;
3050  } else {
3051  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
3052  return err;
3055  }
3056 
3059 
3060  if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
3061  if (s->oformat == &ff_mxf_opatom_muxer) {
3062  /* rewrite body partition to update lengths */
3063  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
3064  if ((err = mxf_write_opatom_body_partition(s)) < 0)
3065  return err;
3066  }
3067 
3068  avio_seek(pb, 0, SEEK_SET);
3069  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
3070  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
3071  return err;
3074  } else {
3075  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3076  return err;
3077  }
3078  // update footer partition offset
3079  for (i = 0; i < mxf->body_partitions_count; i++) {
3080  avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3082  }
3083  }
3084 
3085  return 0;
3086 }
3087 
3089 {
3090  MXFContext *mxf = s->priv_data;
3091 
3092  av_freep(&mxf->index_entries);
3094  if (mxf->timecode_track) {
3096  av_freep(&mxf->timecode_track);
3097  }
3098 }
3099 
3101 {
3102  int i, stream_count = 0;
3103 
3104  for (i = 0; i < s->nb_streams; i++)
3105  stream_count += !!s->streams[i]->internal->last_in_packet_buffer;
3106 
3107  if (stream_count && (s->nb_streams == stream_count || flush)) {
3108  PacketList *pktl = s->internal->packet_buffer;
3109  if (s->nb_streams != stream_count) {
3110  PacketList *last = NULL;
3111  // find last packet in edit unit
3112  while (pktl) {
3113  if (!stream_count || pktl->pkt.stream_index == 0)
3114  break;
3115  // update last packet in packet buffer
3116  if (s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer != pktl)
3117  s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer = pktl;
3118  last = pktl;
3119  pktl = pktl->next;
3120  stream_count--;
3121  }
3122  // purge packet queue
3123  while (pktl) {
3124  PacketList *next = pktl->next;
3125  av_packet_unref(&pktl->pkt);
3126  av_freep(&pktl);
3127  pktl = next;
3128  }
3129  if (last)
3130  last->next = NULL;
3131  else {
3132  s->internal->packet_buffer = NULL;
3133  s->internal->packet_buffer_end= NULL;
3134  goto out;
3135  }
3136  pktl = s->internal->packet_buffer;
3137  }
3138 
3139  *out = pktl->pkt;
3140  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3141  s->internal->packet_buffer = pktl->next;
3142  if(s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer == pktl)
3143  s->streams[pktl->pkt.stream_index]->internal->last_in_packet_buffer= NULL;
3144  if(!s->internal->packet_buffer)
3145  s->internal->packet_buffer_end= NULL;
3146  av_freep(&pktl);
3147  return 1;
3148  } else {
3149  out:
3150  return 0;
3151  }
3152 }
3153 
3155  const AVPacket *pkt)
3156 {
3157  MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3158  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3159 
3160  return next->dts > pkt->dts ||
3161  (next->dts == pkt->dts && sc->order < sc2->order);
3162 }
3163 
3165 {
3166  int ret;
3167  if (pkt) {
3168  MXFStreamContext *sc = s->streams[pkt->stream_index]->priv_data;
3169  pkt->pts = pkt->dts = sc->pkt_cnt++;
3171  return ret;
3172  }
3174 }
3175 
3176 #define MXF_COMMON_OPTIONS \
3177  { "signal_standard", "Force/set Signal Standard",\
3178  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3179  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3180  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3181  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3182  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3183  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3184  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3185  { "smpte274m", "SMPTE 274M (1125 line)",\
3186  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3187  { "smpte296m", "SMPTE 296M (750 line progressive)",\
3188  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3189  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3190  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3191  { "smpte428", "SMPTE 428-1 DCDM",\
3192  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3193 
3194 
3195 
3196 static const AVOption mxf_options[] = {
3198  { "store_user_comments", "",
3199  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3200  { NULL },
3201 };
3202 
3203 static const AVClass mxf_muxer_class = {
3204  .class_name = "MXF muxer",
3205  .item_name = av_default_item_name,
3206  .option = mxf_options,
3207  .version = LIBAVUTIL_VERSION_INT,
3208 };
3209 
3210 static const AVOption d10_options[] = {
3211  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3212  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3214  { "store_user_comments", "",
3215  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3216  { NULL },
3217 };
3218 
3220  .class_name = "MXF-D10 muxer",
3221  .item_name = av_default_item_name,
3222  .option = d10_options,
3223  .version = LIBAVUTIL_VERSION_INT,
3224 };
3225 
3226 static const AVOption opatom_options[] = {
3227  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3228  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3230  { "store_user_comments", "",
3231  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3232  { NULL },
3233 };
3234 
3236  .class_name = "MXF-OPAtom muxer",
3237  .item_name = av_default_item_name,
3238  .option = opatom_options,
3239  .version = LIBAVUTIL_VERSION_INT,
3240 };
3241 
3243  .name = "mxf",
3244  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3245  .mime_type = "application/mxf",
3246  .extensions = "mxf",
3247  .priv_data_size = sizeof(MXFContext),
3248  .audio_codec = AV_CODEC_ID_PCM_S16LE,
3249  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3253  .deinit = mxf_deinit,
3256  .priv_class = &mxf_muxer_class,
3257 };
3258 
3260  .name = "mxf_d10",
3261  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3262  .mime_type = "application/mxf",
3263  .priv_data_size = sizeof(MXFContext),
3264  .audio_codec = AV_CODEC_ID_PCM_S16LE,
3265  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3269  .deinit = mxf_deinit,
3272  .priv_class = &mxf_d10_muxer_class,
3273 };
3274 
3276  .name = "mxf_opatom",
3277  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3278  .mime_type = "application/mxf",
3279  .extensions = "mxf",
3280  .priv_data_size = sizeof(MXFContext),
3281  .audio_codec = AV_CODEC_ID_PCM_S16LE,
3282  .video_codec = AV_CODEC_ID_DNXHD,
3286  .deinit = mxf_deinit,
3289  .priv_class = &mxf_opatom_muxer_class,
3290 };
static void flush(AVCodecContext *avctx)
uint8_t
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
const uint8_t * ff_avc_find_startcode(const uint8_t *p, const uint8_t *end)
Definition: avc.c:67
int ff_avc_decode_sps(H264SPS *sps, const uint8_t *buf, int buf_size)
Definition: avc.c:334
#define FF_PROFILE_PRORES_STANDARD
Definition: avcodec.h:1968
#define FF_COMPLIANCE_UNOFFICIAL
Allow unofficial extensions.
Definition: avcodec.h:1605
#define FF_PROFILE_PRORES_PROXY
Definition: avcodec.h:1966
#define FF_PROFILE_PRORES_4444
Definition: avcodec.h:1970
#define FF_PROFILE_PRORES_LT
Definition: avcodec.h:1967
#define FF_PROFILE_PRORES_XQ
Definition: avcodec.h:1971
#define FF_PROFILE_PRORES_HQ
Definition: avcodec.h:1969
Main libavformat public API header.
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1380
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:462
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type)
Mark the written bytestream as a specific type.
Definition: aviobuf.c:479
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:253
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:455
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:203
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:383
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:461
@ AVIO_DATA_MARKER_FLUSH_POINT
A point in the output bytestream where the underlying AVIOContext might flush the buffer depending on...
Definition: avio.h:146
int avio_put_str16le(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16LE and write it.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:473
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:449
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:225
int avio_put_str16be(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16BE and write it.
void ffio_fill(AVIOContext *s, int b, int count)
Definition: aviobuf.c:211
#define AV_RL16
Definition: intreadwrite.h:42
#define AV_RB32
Definition: intreadwrite.h:130
#define AV_RL24
Definition: intreadwrite.h:78
#define flags(name, subs,...)
Definition: cbs_av1.c:561
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
#define s(width, name)
Definition: cbs_vp9.c:257
static struct @321 state
@ AV_FIELD_PROGRESSIVE
Definition: codec_par.h:38
#define GET_UTF8(val, GET_BYTE, ERROR)
Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
Definition: common.h:499
#define FFMAX(a, b)
Definition: common.h:103
#define av_clip_uint16
Definition: common.h:134
#define NULL
Definition: coverity.c:32
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1086
int avpriv_dnxhd_get_hr_frame_size(int cid, int w, int h)
Definition: dnxhddata.c:1094
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1108
#define DNXHD_VARIABLE
Indicate that a CIDEntry value must be read in the bitstream.
Definition: dnxhddata.h:40
double value
Definition: eval.c:98
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:729
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:346
#define sample
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Definition: get_bits.h:677
exp golomb vlc stuff
static int get_ue_golomb_31(GetBitContext *gb)
read unsigned exp golomb code, constraint to a max of 31.
Definition: golomb.h:122
static unsigned get_ue_golomb_long(GetBitContext *gb)
Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.
Definition: golomb.h:106
@ AV_OPT_TYPE_RATIONAL
Definition: opt.h:230
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_OPT_TYPE_BOOL
Definition: opt.h:242
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
@ AV_CODEC_ID_PCM_S16LE
Definition: codec_id.h:313
@ AV_CODEC_ID_H264
Definition: codec_id.h:76
@ AV_CODEC_ID_NONE
Definition: codec_id.h:47
@ AV_CODEC_ID_JPEG2000
Definition: codec_id.h:137
@ AV_CODEC_ID_PCM_S24LE
Definition: codec_id.h:325
@ AV_CODEC_ID_DVVIDEO
Definition: codec_id.h:73
@ AV_CODEC_ID_PRORES
Definition: codec_id.h:197
@ AV_CODEC_ID_DNXHD
Definition: codec_id.h:148
@ AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:613
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:634
@ AV_PKT_DATA_MASTERING_DISPLAY_METADATA
Mastering display metadata (based on SMPTE-2086:2014).
Definition: packet.h:222
uint8_t * av_stream_get_side_data(const AVStream *stream, enum AVPacketSideDataType type, size_t *size)
Get side information from stream.
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:120
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key,...
Definition: dict.h:70
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:220
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:215
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:210
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
static AVRational av_make_q(int num, int den)
Create an AVRational.
Definition: rational.h:71
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition: mathematics.c:58
@ AV_ROUND_UP
Round toward +infinity.
Definition: mathematics.h:83
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array through a pointer to a pointer.
Definition: mem.c:206
@ AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
@ AVMEDIA_TYPE_DATA
Opaque data information usually continuous.
Definition: avutil.h:203
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
#define AV_STRINGIFY(s)
Definition: macros.h:36
@ H264_NAL_PPS
Definition: h264.h:42
@ H264_NAL_SPS
Definition: h264.h:41
@ H264_NAL_SLICE
Definition: h264.h:35
@ H264_NAL_IDR_SLICE
Definition: h264.h:39
H.264 parameter set handling.
cl_device_type type
const char * key
int i
Definition: input.c:407
#define av_log2
Definition: intmath.h:83
#define AV_WB64(p, v)
Definition: intreadwrite.h:433
common internal api header.
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
static void write_metadata(AVFormatContext *s, unsigned int ts)
Definition: flvenc.c:274
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
Chooses a timebase for muxing the specified stream.
Definition: mux.c:106
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt, int(*compare)(AVFormatContext *, const AVPacket *, const AVPacket *))
Add packet to an AVFormatContext's packet_buffer list, determining its interleaved position using com...
Definition: mux.c:830
void avpriv_set_pts_info(AVStream *s, int pts_wrap_bits, unsigned int pts_num, unsigned int pts_den)
Set the time base and wrapping info for a given stream.
Definition: utils.c:4941
int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int return_seconds)
Parse creation_time in AVFormatContext metadata if exists and warn if the parsing fails.
Definition: utils.c:5700
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5572
#define LIBAVFORMAT_VERSION_MAJOR
Definition: version.h:34
#define LIBAVFORMAT_VERSION_MICRO
Definition: version.h:36
#define LIBAVFORMAT_VERSION
Definition: version.h:41
#define LIBAVFORMAT_VERSION_MINOR
Definition: version.h:35
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
version
Definition: libkvazaar.c:320
uint32_t tag
Definition: movenc.c:1600
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
Interleave an AVPacket correctly so it can be muxed.
Definition: mux.c:1087
const MXFCodecUL ff_mxf_data_definition_uls[]
SMPTE RP224 http://www.smpte-ra.org/mdd/index.html.
Definition: mxf.c:30
const uint8_t ff_mxf_random_index_pack_key[16]
Definition: mxf.c:25
const MXFCodecUL ff_mxf_color_space_uls[]
Definition: mxf.c:127
const MXFCodecUL ff_mxf_color_trc_uls[]
Definition: mxf.c:106
int ff_mxf_get_content_package_rate(AVRational time_base)
Definition: mxf.c:213
const MXFCodecUL ff_mxf_color_primaries_uls[]
Definition: mxf.c:91
#define FF_MXF_MasteringDisplayMinimumLuminance
Definition: mxf.h:92
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:147
#define FF_MXF_MasteringDisplayPrimaries
Definition: mxf.h:89
#define FF_MXF_MasteringDisplayWhitePointChromaticity
Definition: mxf.h:90
#define FF_MXF_MASTERING_CHROMA_DEN
Definition: mxf.h:94
#define FF_MXF_MASTERING_LUMA_DEN
Definition: mxf.h:95
uint8_t UID[16]
Definition: mxf.h:28
#define FF_MXF_MasteringDisplayMaximumLuminance
Definition: mxf.h:91
MXFMetadataSetType
Definition: mxf.h:30
@ Sequence
Definition: mxf.h:37
@ MultipleDescriptor
Definition: mxf.h:38
@ MaterialPackage
Definition: mxf.h:32
@ TapeDescriptor
Definition: mxf.h:50
@ SourceClip
Definition: mxf.h:34
@ IndexTableSegment
Definition: mxf.h:46
@ TaggedValue
Definition: mxf.h:49
@ EssenceContainerData
Definition: mxf.h:47
@ SourcePackage
Definition: mxf.h:33
@ Preface
Definition: mxf.h:42
@ SubDescriptor
Definition: mxf.h:45
@ TimecodeComponent
Definition: mxf.h:35
@ Identification
Definition: mxf.h:43
@ ContentStorage
Definition: mxf.h:44
@ AVCSubDescriptor
Definition: mxf.h:51
static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1477
static const UID mxf_d10_container_uls[]
Definition: mxfenc.c:223
static const uint8_t header_metadata_key[]
partial key for header metadata
Definition: mxfenc.c:251
enum ULIndex index
Definition: mxfenc.c:134
static unsigned klv_fill_size(uint64_t size)
Definition: mxfenc.c:1730
static const uint8_t footer_partition_key[]
Definition: mxfenc.c:240
#define PLATFORM_IDENT
Definition: mxfenc.c:756
static const uint8_t opatom_ul[]
Definition: mxfenc.c:239
static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1107
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:757
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:963
static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next, const AVPacket *pkt)
Definition: mxfenc.c:3154
static int mxf_write_opatom_body_partition(AVFormatContext *s)
Definition: mxfenc.c:2811
static const UID mxf_generic_sound_descriptor_key
Definition: mxfenc.c:1093
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:608
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2143
static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc)
Definition: mxfenc.c:2480
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:442
static const struct @274 mxf_prores_codec_uls[]
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1498
static const uint8_t uuid_base[]
Definition: mxfenc.c:232
static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2014
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:936
uint8_t interlaced
Definition: mxfenc.c:2208
int profile
Definition: mxfenc.c:2003
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:245
static void mxf_write_local_tag_utf16(AVFormatContext *s, int tag, const char *value)
Definition: mxfenc.c:726
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:3259
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1659
UID codec_ul
Definition: mxfenc.c:2004
static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:837
ULIndex
Definition: mxfenc.c:118
@ INDEX_JPEG2000
Definition: mxfenc.c:126
@ INDEX_AES3
Definition: mxfenc.c:120
@ INDEX_DNXHD
Definition: mxfenc.c:125
@ INDEX_H264
Definition: mxfenc.c:127
@ INDEX_DV
Definition: mxfenc.c:124
@ INDEX_S436M
Definition: mxfenc.c:128
@ INDEX_D10_AUDIO
Definition: mxfenc.c:123
@ INDEX_PRORES
Definition: mxfenc.c:129
@ INDEX_WAV
Definition: mxfenc.c:121
@ INDEX_MPEG2
Definition: mxfenc.c:119
@ INDEX_D10_VIDEO
Definition: mxfenc.c:122
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:491
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:456
static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
Definition: mxfenc.c:810
static const UID * mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
Definition: mxfenc.c:2364
static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1386
static void mxf_write_tape_descriptor(AVFormatContext *s)
Definition: mxfenc.c:1000
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:1089
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1510
#define EDIT_UNITS_PER_BODY
Definition: mxfenc.c:67
static uint64_t mxf_parse_timestamp(int64_t timestamp64)
Definition: mxfenc.c:2452
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1541
static const AVOption mxf_options[]
Definition: mxfenc.c:3196
static const MXFLocalTagPair mxf_local_tag_batch[]
SMPTE RP210 http://www.smpte-ra.org/mdd/index.html https://smpte-ra.org/sites/default/files/Labels....
Definition: mxfenc.c:258
static const uint8_t system_metadata_package_set_key[]
Definition: mxfenc.c:2728
static const struct @277 mxf_h264_codec_uls[]
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:476
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:2351
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:3100
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:244
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:241
static uint32_t rescale_mastering_luma(AVRational q)
Definition: mxfenc.c:1102
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:2384
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:426
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:885
static const UID mxf_avc_subdescriptor_key
Definition: mxfenc.c:1095
static int mxf_utf16_local_tag_length(const char *utf8_str)
Definition: mxfenc.c:707
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2779
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2730
static uint64_t mxf_utf16len(const char *utf8_str)
Definition: mxfenc.c:685
static void mxf_deinit(AVFormatContext *s)
Definition: mxfenc.c:3088
static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1392
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1512
static const AVClass mxf_muxer_class
Definition: mxfenc.c:3203
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:2236
static const AVOption d10_options[]
Definition: mxfenc.c:3210
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1681
AVOutputFormat ff_mxf_opatom_muxer
Definition: mxfenc.c:3275
#define MXF_NUM_TAGS
Definition: mxfenc.c:391
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2504
static const MXFCodecUL * mxf_get_codec_ul_by_id(const MXFCodecUL *uls, int id)
Definition: mxfenc.c:594
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:242
enum AVCodecID id
Definition: mxfenc.c:133
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:433
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:482
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:243
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:3164
static const AVOption opatom_options[]
Definition: mxfenc.c:3226
UID uid
Definition: mxfenc.c:2205
static const UID mxf_wav_descriptor_key
Definition: mxfenc.c:1090
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2882
static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1374
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:909
const UID container_ul
Definition: mxfenc.c:2118
static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
Definition: mxfenc.c:1331
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1492
static uint16_t rescale_mastering_chroma(AVRational q)
Definition: mxfenc.c:1097
static const MXFLocalTagPair * mxf_lookup_local_tag(int tag)
Definition: mxfenc.c:500
static const UID mxf_d10_codec_uls[]
Definition: mxfenc.c:214
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1504
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:1091
#define KAG_SIZE
Definition: mxfenc.c:68
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:3004
static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1050
static const struct @276 mxf_dv_uls[]
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2727
static const uint8_t op1a_ul[]
complete key for operation pattern, partitions, and primer pack
Definition: mxfenc.c:238
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:155
static void mxf_mark_tag_unused(MXFContext *mxf, int tag)
Definition: mxfenc.c:512
static const struct @273 mxf_essence_mappings[]
static void mxf_write_local_tag(AVFormatContext *s, int size, int tag)
Definition: mxfenc.c:575
int cid
Definition: mxfenc.c:2039
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:883
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1364
static const struct @275 mxf_dnxhd_codec_uls[]
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:2468
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2064
int frame_size
Definition: mxfenc.c:2206
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1897
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:605
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:518
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:630
static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1430
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:3235
static const UID mxf_s436m_anc_descriptor_key
Definition: mxfenc.c:1088
int intra_only
Definition: mxfenc.c:2209
static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
Definition: mxfenc.c:588
static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
Definition: mxfenc.c:1559
static void store_version(AVFormatContext *s)
Definition: mxfenc.c:740
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:1013
static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1340
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:3031
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:252
static void mxf_write_index_table_segment(AVFormatContext *s)
Definition: mxfenc.c:1739
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:3176
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:3242
static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
Definition: mxfenc.c:2861
static const uint8_t umid_ul[]
Definition: mxfenc.c:233
static int klv_ber_length(uint64_t len)
Definition: mxfenc.c:448
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
Definition: mxfenc.c:2832
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:1092
static const uint8_t body_partition_key[]
Definition: mxfenc.c:246
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1885
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:3219
AVOptions.
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:278
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
@ AVCHROMA_LOC_TOP
Definition: pixfmt.h:610
@ AVCHROMA_LOC_TOPLEFT
ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2.
Definition: pixfmt.h:609
@ AVCHROMA_LOC_LEFT
MPEG-2/4 4:2:0, H.264 default for 4:2:0.
Definition: pixfmt.h:607
@ AVCHROMA_LOC_CENTER
MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0.
Definition: pixfmt.h:608
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
Definition: pixfmt.h:569
@ AVCOL_RANGE_UNSPECIFIED
Definition: pixfmt.h:552
const char * name
Definition: qsvenc.c:46
typedef void(RENAME(mix_any_func_type))
#define FF_ARRAY_ELEMS(a)
#define snprintf
Definition: snprintf.h:34
unsigned int pos
Definition: spdifenc.c:412
Describe the class of an AVClass context structure.
Definition: log.h:67
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
This struct describes the properties of an encoded stream.
Definition: codec_par.h:52
enum AVColorSpace color_space
Definition: codec_par.h:149
enum AVFieldOrder field_order
Video only.
Definition: codec_par.h:141
int channels
Audio only.
Definition: codec_par.h:166
int width
Video only.
Definition: codec_par.h:126
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:89
enum AVMediaType codec_type
General type of the encoded data.
Definition: codec_par.h:56
int profile
Codec-specific bitstream restrictions that the stream conforms to.
Definition: codec_par.h:120
int block_align
Audio only.
Definition: codec_par.h:177
AVRational sample_aspect_ratio
Video only.
Definition: codec_par.h:136
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:60
enum AVColorPrimaries color_primaries
Definition: codec_par.h:147
int sample_rate
Audio only.
Definition: codec_par.h:170
enum AVColorTransferCharacteristic color_trc
Definition: codec_par.h:148
enum AVColorRange color_range
Video only.
Definition: codec_par.h:146
int depth
Number of bits in the component.
Definition: pixdesc.h:58
char * key
Definition: dict.h:82
char * value
Definition: dict.h:83
Format I/O context.
Definition: avformat.h:1232
Bytestream IO Context.
Definition: avio.h:161
unsigned char * buf_ptr
Current position in the buffer.
Definition: avio.h:228
Mastering display metadata capable of representing the color volume of the display used to master the...
int has_primaries
Flag indicating whether the display primaries (and white point) are set.
AVRational max_luminance
Max luminance of mastering display (cd/m^2).
AVRational min_luminance
Min luminance of mastering display (cd/m^2).
AVRational display_primaries[3][2]
CIE 1931 xy chromaticity coords of color primaries (r, g, b order).
AVRational white_point[2]
CIE 1931 xy chromaticity coords of white point.
int has_luminance
Flag indicating whether the luminance (min_ and max_) have been set.
AVOption.
Definition: opt.h:248
const char * name
Definition: avformat.h:491
This structure stores compressed data.
Definition: packet.h:346
int stream_index
Definition: packet.h:371
int size
Definition: packet.h:370
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:362
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed.
Definition: packet.h:368
uint8_t * data
Definition: packet.h:369
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int num
Numerator.
Definition: rational.h:59
int den
Denominator.
Definition: rational.h:60
Stream structure.
Definition: avformat.h:873
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1038
AVDictionary * metadata
Definition: avformat.h:937
void * priv_data
Definition: avformat.h:888
int index
stream index in AVFormatContext
Definition: avformat.h:874
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
Definition: avformat.h:902
uint32_t flags
flags such as drop frame, +24 hours support, ...
Definition: timecode.h:43
AVRational rate
frame rate in rational form
Definition: timecode.h:44
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
Definition: avc.h:39
Definition: mxf.h:97
UID uid
Definition: mxf.h:98
int id
Definition: mxf.h:100
void(* write_desc)(AVFormatContext *, AVStream *)
Definition: mxfenc.c:108
int64_t footer_partition_offset
Definition: mxfenc.c:395
uint32_t tagged_value_count
Definition: mxfenc.c:418
int last_indexed_edit_unit
Definition: mxfenc.c:403
uint64_t * body_partition_offset
Definition: mxfenc.c:404
uint8_t unused_tags[MXF_NUM_TAGS]
local tags that we know will not be used
Definition: mxfenc.c:423
int store_user_comments
Definition: mxfenc.c:420
uint64_t duration
Definition: mxfenc.c:407
int signal_standard
Definition: mxfenc.c:417
unsigned body_partitions_count
Definition: mxfenc.c:405
AVClass * av_class
Definition: mxfenc.c:394
AVStream * timecode_track
Definition: mxfenc.c:409
MXFIndexEntry * index_entries
Definition: mxfenc.c:399
AVRational audio_edit_rate
Definition: mxfenc.c:419
int cbr_index
use a constant bitrate index
Definition: mxfenc.c:422
uint32_t instance_number
Definition: mxfenc.c:414
AVRational time_base
Definition: mxfenc.c:397
AVTimecode tc
timecode context
Definition: mxfenc.c:408
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:411
int track_instance_count
Definition: mxfenc.c:421
uint64_t body_offset
Definition: mxfenc.c:413
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:410
int content_package_rate
content package rate in system element, see SMPTE 326M
Definition: mxfenc.c:412
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:415
int header_written
Definition: mxfenc.c:398
int channel_count
Definition: mxfenc.c:416
uint8_t slice_count
index slice count minus 1 (1 if no audio, 0 otherwise)
Definition: mxfenc.c:402
uint64_t timestamp
timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
Definition: mxfenc.c:401
int last_key_index
index of last key frame
Definition: mxfenc.c:406
unsigned edit_units_count
Definition: mxfenc.c:400
int essence_container_count
Definition: mxfenc.c:396
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:72
uint64_t offset
Definition: mxfenc.c:71
uint8_t flags
Definition: mxfenc.c:74
uint16_t temporal_ref
Definition: mxfenc.c:73
struct MXFPackage * ref
Definition: mxfenc.c:115
enum MXFMetadataSetType type
Definition: mxfdec.c:240
int instance
Definition: mxfenc.c:114
char * name
Definition: mxfdec.c:247
int max_gop
maximum gop size, used by mpeg-2 descriptor
Definition: mxfenc.c:98
int temporal_reordering
Definition: mxfenc.c:91
int component_depth
Definition: mxfenc.c:86
int h_chroma_sub_sample
Definition: mxfenc.c:89
int index
index in mxf_essence_container_uls table
Definition: mxfenc.c:80
int closed_gop
gop is closed, used in mpeg-2 frame parsing
Definition: mxfenc.c:93
UID track_essence_element_key
Definition: mxfenc.c:79
const UID * codec_ul
Definition: mxfenc.c:81
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:85
int low_delay
low delay, used in mpeg-2 descriptor
Definition: mxfenc.c:100
int frame_size
frame size in bytes
Definition: mxfenc.c:96
AVRational aspect_ratio
display aspect ratio
Definition: mxfenc.c:92
int v_chroma_sub_sample
Definition: mxfenc.c:90
int seq_closed_gop
all gops in sequence are closed, used in mpeg-2 descriptor
Definition: mxfenc.c:97
int order
interleaving order if dts are equal
Definition: mxfenc.c:83
int color_siting
Definition: mxfenc.c:87
int64_t pkt_cnt
pkt counter for muxed packets
Definition: mxfenc.c:78
int interlaced
whether picture is interlaced
Definition: mxfenc.c:84
int video_bit_rate
Definition: mxfenc.c:94
int slice_offset
Definition: mxfenc.c:95
int signal_standard
Definition: mxfenc.c:88
int b_picture_count
maximum number of consecutive b pictures, used in mpeg-2 descriptor
Definition: mxfenc.c:99
const UID * container_ul
Definition: mxfenc.c:82
struct PacketList * next
AVPacket pkt
Definition: ismindex.c:69
#define av_freep(p)
#define av_log(a,...)
FILE * out
Definition: movenc.c:54
AVPacket * pkt
Definition: movenc.c:59
#define gmtime_r
Definition: time_internal.h:34
int av_timecode_init_from_string(AVTimecode *tc, AVRational rate, const char *str, void *log_ctx)
Parse timecode representation (hh:mm:ss[:;.
Definition: timecode.c:250
int av_timecode_init(AVTimecode *tc, AVRational rate, int flags, int frame_start, void *log_ctx)
Init a timecode struct with the passed parameters.
Definition: timecode.c:219
uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum)
Convert frame number to SMPTE 12M binary representation.
Definition: timecode.c:52
Timecode helpers header.
@ AV_TIMECODE_FLAG_DROPFRAME
timecode is drop frame
Definition: timecode.h:36
int size
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:98
if(ret< 0)
Definition: vf_mcdeint.c:282
static unsigned int seed
Definition: videogen.c:78
int len
static double c[64]