LAV
/
FFmpeg
1
0
Fork 0
Code

avcodec/h2645_sei: decode AFGS1 T.35 SEI 

I restricted this SEI to HEVC for now, until I see a H.264 sample.
This commit is contained in:
Niklas Haas 2023-10-04 13:54:03 +02:00
parent f50382cba6
commit 2e24c12aa1
3 changed files with 29 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/Makefile
View File

@ -105,7 +105,7 @@ OBJS-$(CONFIG_H264_SEI) += h264_sei.o h2645_sei.o
OBJS-$(CONFIG_HEVCPARSE) += hevc_parse.o hevc_ps.o hevc_data.o \
h2645data.o h2645_parse.o h2645_vui.o
OBJS-$(CONFIG_HEVC_SEI) += hevc_sei.o h2645_sei.o \
dynamic_hdr_vivid.o
dynamic_hdr_vivid.o aom_film_grain.o
OBJS-$(CONFIG_HPELDSP) += hpeldsp.o
OBJS-$(CONFIG_HUFFMAN) += huffman.o
OBJS-$(CONFIG_HUFFYUVDSP) += huffyuvdsp.o

25
libavcodec/h2645_sei.c
View File

@ -211,6 +211,24 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
}
break;
}
case 0x5890: { // aom_provider_code
const uint16_t aom_grain_provider_oriented_code = 0x0001;
uint16_t provider_oriented_code;
if (!IS_HEVC(codec_id))
goto unsupported_provider_code;
if (bytestream2_get_bytes_left(gb) < 2)
return AVERROR_INVALIDDATA;
provider_oriented_code = bytestream2_get_byteu(gb);
if (provider_oriented_code == aom_grain_provider_oriented_code) {
return ff_aom_parse_film_grain_sets(&h->aom_film_grain,
gb->buffer,
bytestream2_get_bytes_left(gb));
}
break;
}
unsupported_provider_code:
#endif
default:
@ -704,6 +722,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
}
#if CONFIG_HEVC_SEI
ret = ff_aom_attach_film_grain_sets(&sei->aom_film_grain, frame);
if (ret < 0)
return ret;
#endif
if (sei->ambient_viewing_environment.present) {
H2645SEIAmbientViewingEnvironment *env =
&sei->ambient_viewing_environment;
@ -800,4 +824,5 @@ void ff_h2645_sei_reset(H2645SEI *s)
s->ambient_viewing_environment.present = 0;
s->mastering_display.present = 0;
s->content_light.present = 0;
s->aom_film_grain.enable = 0;
}

3
libavcodec/h2645_sei.h
View File

@ -23,7 +23,9 @@
#include "libavutil/buffer.h"
#include "libavutil/frame.h"
#include "libavutil/film_grain_params.h"
#include "aom_film_grain.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_id.h"
@ -132,6 +134,7 @@ typedef struct H2645SEI {
H2645SEIAmbientViewingEnvironment ambient_viewing_environment;
H2645SEIMasteringDisplay mastering_display;
H2645SEIContentLight content_light;
AVFilmGrainAFGS1Params aom_film_grain;
} H2645SEI;
enum {