36 #define OFFSET(x) offsetof(EPXContext, x)
37 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
50 const int slice_start = (
in->height * jobnr ) / nb_jobs;
51 const int slice_end = (
in->height * (jobnr+1)) / nb_jobs;
53 for (
int p = 0; p < 1; p++) {
56 const int src_linesize =
in->linesize[p] / 4;
57 const int dst_linesize =
out->linesize[p] / 4;
58 const uint32_t *
src = (
const uint32_t *)
in->data[p];
59 uint32_t *dst = (uint32_t *)
out->data[p];
60 const uint32_t *src_line[3];
62 src_line[0] =
src + src_linesize *
FFMAX(slice_start - 1, 0);
63 src_line[1] =
src + src_linesize * slice_start;
64 src_line[2] =
src + src_linesize *
FFMIN(slice_start + 1,
height-1);
66 for (
int y = slice_start; y <
slice_end; y++) {
67 uint32_t *dst_line[2];
69 dst_line[0] = dst + dst_linesize*2*y;
70 dst_line[1] = dst + dst_linesize*(2*y+1);
72 for (
int x = 0; x <
width; x++) {
73 uint32_t E0,
E1,
E2, E3;
74 uint32_t
B,
D,
E,
F,
H;
77 D = src_line[1][
FFMAX(x-1, 0)];
82 if (
B !=
H &&
D !=
F) {
94 dst_line[0][x*2] = E0;
95 dst_line[0][x*2+1] =
E1;
96 dst_line[1][x*2] =
E2;
97 dst_line[1][x*2+1] = E3;
100 src_line[0] = src_line[1];
101 src_line[1] = src_line[2];
102 src_line[2] = src_line[1];
105 src_line[2] += src_linesize;
117 const int slice_start = (
in->height * jobnr ) / nb_jobs;
118 const int slice_end = (
in->height * (jobnr+1)) / nb_jobs;
120 for (
int p = 0; p < 1; p++) {
123 const int src_linesize =
in->linesize[p] / 4;
124 const int dst_linesize =
out->linesize[p] / 4;
125 const uint32_t *
src = (
const uint32_t *)
in->data[p];
126 uint32_t *dst = (uint32_t *)
out->data[p];
127 const uint32_t *src_line[3];
129 src_line[0] =
src + src_linesize *
FFMAX(slice_start - 1, 0);
130 src_line[1] =
src + src_linesize * slice_start;
131 src_line[2] =
src + src_linesize *
FFMIN(slice_start + 1,
height-1);
133 for (
int y = slice_start; y <
slice_end; y++) {
134 uint32_t *dst_line[3];
136 dst_line[0] = dst + dst_linesize*3*y;
137 dst_line[1] = dst + dst_linesize*(3*y+1);
138 dst_line[2] = dst + dst_linesize*(3*y+2);
140 for (
int x = 0; x <
width; x++) {
141 uint32_t E0,
E1,
E2, E3,
E4, E5, E6, E7, E8;
144 A = src_line[0][
FFMAX(x-1, 0)];
147 D = src_line[1][
FFMAX(x-1, 0)];
150 G = src_line[2][
FFMAX(x-1, 0)];
154 if (
B !=
H &&
D !=
F) {
158 E3 = (
D ==
B &&
E !=
G) || (
D ==
H &&
E !=
A) ?
D :
E;
160 E5 = (
B ==
F &&
E != I) || (
H ==
F &&
E !=
C) ?
F :
E;
162 E7 = (
D ==
H &&
E != I) || (
H ==
F &&
E !=
G) ?
H :
E;
176 dst_line[0][x*3] = E0;
177 dst_line[0][x*3+1] =
E1;
178 dst_line[0][x*3+2] =
E2;
179 dst_line[1][x*3] = E3;
180 dst_line[1][x*3+1] =
E4;
181 dst_line[1][x*3+2] = E5;
182 dst_line[2][x*3] = E6;
183 dst_line[2][x*3+1] = E7;
184 dst_line[2][x*3+2] = E8;
187 src_line[0] = src_line[1];
188 src_line[1] = src_line[2];
189 src_line[2] = src_line[1];
192 src_line[2] += src_linesize;
210 outlink->
w = inlink->
w *
s->n;
211 outlink->
h = inlink->
h *
s->n;
285 .priv_class = &epx_class,
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
simple assert() macros that are a bit more flexible than ISO C assert().
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
#define flags(name, subs,...)
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define E2(a, b)
Expand a pair of delta values (a,b) into two/four delta entries.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Describe the class of an AVClass context structure.
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * src
source filter
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
This structure describes decoded (raw) audio or video data.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int(* epx_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Used for passing data between threads.
static int epx3_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int epx2_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int query_formats(AVFilterContext *ctx)
AVFILTER_DEFINE_CLASS(epx)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
static int config_output(AVFilterLink *outlink)
static const AVOption epx_options[]
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.