FFmpeg  4.4
Data Structures | Macros | Functions | Variables
vf_framepack.c File Reference

Generate a frame packed video, by combining two views in a single surface. More...

#include <string.h>
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/rational.h"
#include "libavutil/stereo3d.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  FramepackContext
 

Macros

#define LEFT   0
 
#define RIGHT   1
 
#define OFFSET(x)   offsetof(FramepackContext, x)
 
#define VF   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
 

Functions

static int query_formats (AVFilterContext *ctx)
 
static av_cold void framepack_uninit (AVFilterContext *ctx)
 
static int config_output (AVFilterLink *outlink)
 
static void horizontal_frame_pack (AVFilterLink *outlink, AVFrame *out, int interleaved)
 
static void vertical_frame_pack (AVFilterLink *outlink, AVFrame *out, int interleaved)
 
static av_always_inline void spatial_frame_pack (AVFilterLink *outlink, AVFrame *dst)
 
static int try_push_frame (AVFilterContext *ctx)
 
static int activate (AVFilterContext *ctx)
 
 AVFILTER_DEFINE_CLASS (framepack)
 

Variables

static enum AVPixelFormat formats_supported []
 
static const AVOption framepack_options []
 
static const AVFilterPad framepack_inputs []
 
static const AVFilterPad framepack_outputs []
 
AVFilter ff_vf_framepack
 

Detailed Description

Generate a frame packed video, by combining two views in a single surface.

Definition in file vf_framepack.c.

Macro Definition Documentation

◆ LEFT

#define LEFT   0

Definition at line 41 of file vf_framepack.c.

◆ RIGHT

#define RIGHT   1

Definition at line 42 of file vf_framepack.c.

◆ OFFSET

#define OFFSET (   x)    offsetof(FramepackContext, x)

Definition at line 431 of file vf_framepack.c.

◆ VF

Definition at line 432 of file vf_framepack.c.

Function Documentation

◆ query_formats()

static int query_formats ( AVFilterContext ctx)
static

Definition at line 82 of file vf_framepack.c.

◆ framepack_uninit()

static av_cold void framepack_uninit ( AVFilterContext ctx)
static

Definition at line 91 of file vf_framepack.c.

◆ config_output()

static int config_output ( AVFilterLink outlink)
static

Definition at line 100 of file vf_framepack.c.

◆ horizontal_frame_pack()

static void horizontal_frame_pack ( AVFilterLink outlink,
AVFrame out,
int  interleaved 
)
static

Definition at line 166 of file vf_framepack.c.

Referenced by spatial_frame_pack().

◆ vertical_frame_pack()

static void vertical_frame_pack ( AVFilterLink outlink,
AVFrame out,
int  interleaved 
)
static

Definition at line 267 of file vf_framepack.c.

Referenced by spatial_frame_pack().

◆ spatial_frame_pack()

static av_always_inline void spatial_frame_pack ( AVFilterLink outlink,
AVFrame dst 
)
static

Definition at line 306 of file vf_framepack.c.

Referenced by try_push_frame().

◆ try_push_frame()

static int try_push_frame ( AVFilterContext ctx)
static

Definition at line 327 of file vf_framepack.c.

Referenced by activate().

◆ activate()

static int activate ( AVFilterContext ctx)
static

Definition at line 388 of file vf_framepack.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( framepack  )

Variable Documentation

◆ formats_supported

enum AVPixelFormat formats_supported[]
static
Initial value:
= {
}
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:420
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:410
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:405
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:379
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:421
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:414
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:438
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:441
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:436
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:381
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:433
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:437
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:407
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:439
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:408
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:382
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:401
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:383
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:419
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:443
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:442
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:418
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:435
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:440
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402

Definition at line 1 of file vf_framepack.c.

Referenced by query_formats().

◆ framepack_options

const AVOption framepack_options[]
static
Initial value:
= {
{ "format", "Frame pack output format", OFFSET(format), AV_OPT_TYPE_INT,
{ .i64 = AV_STEREO3D_SIDEBYSIDE }, 0, INT_MAX, .flags = VF, .unit = "format" },
{ "sbs", "Views are packed next to each other", 0, AV_OPT_TYPE_CONST,
{ .i64 = AV_STEREO3D_SIDEBYSIDE }, INT_MIN, INT_MAX, .flags = VF, .unit = "format" },
{ "tab", "Views are packed on top of each other", 0, AV_OPT_TYPE_CONST,
{ .i64 = AV_STEREO3D_TOPBOTTOM }, INT_MIN, INT_MAX, .flags = VF, .unit = "format" },
{ "frameseq", "Views are one after the other", 0, AV_OPT_TYPE_CONST,
{ .i64 = AV_STEREO3D_FRAMESEQUENCE }, INT_MIN, INT_MAX, .flags = VF, .unit = "format" },
{ "lines", "Views are interleaved by lines", 0, AV_OPT_TYPE_CONST,
{ .i64 = AV_STEREO3D_LINES }, INT_MIN, INT_MAX, .flags = VF, .unit = "format" },
{ "columns", "Views are interleaved by columns", 0, AV_OPT_TYPE_CONST,
{ .i64 = AV_STEREO3D_COLUMNS }, INT_MIN, INT_MAX, .flags = VF, .unit = "format" },
{ NULL },
}
static const char *const format[]
Definition: af_aiir.c:456
#define NULL
Definition: coverity.c:32
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
@ AV_STEREO3D_COLUMNS
Views are packed per column.
Definition: stereo3d.h:141
@ AV_STEREO3D_LINES
Views are packed per line, as if interlaced.
Definition: stereo3d.h:129
@ AV_STEREO3D_TOPBOTTOM
Views are on top of each other.
Definition: stereo3d.h:79
@ AV_STEREO3D_FRAMESEQUENCE
Views are alternated temporally.
Definition: stereo3d.h:92
@ AV_STEREO3D_SIDEBYSIDE
Views are next to each other.
Definition: stereo3d.h:67
#define VF
Definition: vf_framepack.c:432
#define OFFSET(x)
Definition: vf_framepack.c:431

Definition at line 433 of file vf_framepack.c.

◆ framepack_inputs

const AVFilterPad framepack_inputs[]
static
Initial value:
= {
{
.name = "left",
},
{
.name = "right",
},
{ NULL }
}
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201

Definition at line 451 of file vf_framepack.c.

◆ framepack_outputs

const AVFilterPad framepack_outputs[]
static
Initial value:
= {
{
.name = "packed",
.config_props = config_output,
},
{ NULL }
}
static int config_output(AVFilterLink *outlink)
Definition: vf_framepack.c:100

Definition at line 463 of file vf_framepack.c.

◆ ff_vf_framepack

AVFilter ff_vf_framepack
Initial value:
= {
.name = "framepack",
.description = NULL_IF_CONFIG_SMALL("Generate a frame packed stereoscopic video."),
.priv_size = sizeof(FramepackContext),
.priv_class = &framepack_class,
}
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:279
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static const AVFilterPad framepack_inputs[]
Definition: vf_framepack.c:451
static int query_formats(AVFilterContext *ctx)
Definition: vf_framepack.c:82
static const AVFilterPad framepack_outputs[]
Definition: vf_framepack.c:463
static int activate(AVFilterContext *ctx)
Definition: vf_framepack.c:388
static av_cold void framepack_uninit(AVFilterContext *ctx)
Definition: vf_framepack.c:91

Definition at line 472 of file vf_framepack.c.