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11665b360f1e2ced2f851e018ed611ddfd5cbeb5
jellyfin-ffmpeg/libavcodec/cbs_h264.c
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nyanmisaka 959574d802 New upstream version 8.1.1 
Signed-off-by: nyanmisaka <nst799610810@gmail.com>
2026-05-28 10:52:35 +08:00

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/mem.h"
#include "libavutil/refstruct.h"
#include "bytestream.h"
#include "cbs.h"
#include "cbs_internal.h"
#include "cbs_h2645.h"
#include "cbs_h264.h"
#include "cbs_sei.h"
#include "get_bits.h"
#define HEADER(name) do { \
ff_cbs_trace_header(ctx, name); \
} while (0)
#define CHECK(call) do { \
err = (call); \
if (err < 0) \
return err; \
} while (0)
#define FUNC_NAME2(rw, codec, name) cbs_ ## codec ## _ ## rw ## _ ## name
#define FUNC_NAME1(rw, codec, name) FUNC_NAME2(rw, codec, name)
#define FUNC_H264(name) FUNC_NAME1(READWRITE, h264, name)
#define FUNC_NAME2_EXPORT(rw, codec, name) ff_cbs_ ## codec ## _ ## rw ## _ ## name
#define FUNC_NAME1_EXPORT(rw, codec, name) FUNC_NAME2_EXPORT(rw, codec, name)
#define FUNC_SEI(name) FUNC_NAME1_EXPORT(READWRITE, sei, name)
#define SEI_FUNC(name, args) \
static int FUNC_H264(name) args; \
static int FUNC_H264(name ## _internal)(CodedBitstreamContext *ctx, \
RWContext *rw, void *cur, \
SEIMessageState *state) \
{ \
return FUNC_H264(name)(ctx, rw, cur, state); \
} \
static int FUNC_H264(name) args
#define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)
#define u(width, name, range_min, range_max) \
xu(width, name, current->name, range_min, range_max, 0, )
#define flag(name) ub(1, name)
#define ue(name, range_min, range_max) \
xue(name, current->name, range_min, range_max, 0, )
#define i(width, name, range_min, range_max) \
xi(width, name, current->name, range_min, range_max, 0, )
#define ib(width, name) \
xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0, )
#define se(name, range_min, range_max) \
xse(name, current->name, range_min, range_max, 0, )
#define us(width, name, range_min, range_max, subs, ...) \
xu(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define ubs(width, name, subs, ...) \
xu(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__)
#define flags(name, subs, ...) \
xu(1, name, current->name, 0, 1, subs, __VA_ARGS__)
#define ues(name, range_min, range_max, subs, ...) \
xue(name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define is(width, name, range_min, range_max, subs, ...) \
xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define ibs(width, name, subs, ...) \
xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), subs, __VA_ARGS__)
#define ses(name, range_min, range_max, subs, ...) \
xse(name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define fixed(width, name, value) do { \
av_unused uint32_t fixed_value = value; \
xu(width, name, fixed_value, value, value, 0, ); \
} while (0)
#define READ
#define READWRITE read
#define RWContext GetBitContext
#define ub(width, name) do { \
uint32_t value; \
CHECK(ff_cbs_read_simple_unsigned(ctx, rw, width, #name, \
&value)); \
current->name = value; \
} while (0)
#define xu(width, name, var, range_min, range_max, subs, ...) do { \
uint32_t value; \
CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
&value, range_min, range_max)); \
var = value; \
} while (0)
#define xue(name, var, range_min, range_max, subs, ...) do { \
uint32_t value; \
CHECK(ff_cbs_read_ue_golomb(ctx, rw, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
&value, range_min, range_max)); \
var = value; \
} while (0)
#define xi(width, name, var, range_min, range_max, subs, ...) do { \
int32_t value; \
CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
&value, range_min, range_max)); \
var = value; \
} while (0)
#define xse(name, var, range_min, range_max, subs, ...) do { \
int32_t value; \
CHECK(ff_cbs_read_se_golomb(ctx, rw, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
&value, range_min, range_max)); \
var = value; \
} while (0)
#define infer(name, value) do { \
current->name = value; \
} while (0)
#define more_rbsp_data(var) ((var) = ff_cbs_h2645_read_more_rbsp_data(rw))
#define bit_position(rw) (get_bits_count(rw))
#define byte_alignment(rw) (get_bits_count(rw) % 8)
#define allocate(name, size) do { \
name ## _ref = av_buffer_allocz(size + \
AV_INPUT_BUFFER_PADDING_SIZE); \
if (!name ## _ref) \
return AVERROR(ENOMEM); \
name = name ## _ref->data; \
} while (0)
#define FUNC(name) FUNC_H264(name)
#include "cbs_h264_syntax_template.c"
#undef FUNC
#undef READ
#undef READWRITE
#undef RWContext
#undef ub
#undef xu
#undef xi
#undef xue
#undef xse
#undef infer
#undef more_rbsp_data
#undef bit_position
#undef byte_alignment
#undef allocate
#undef allocate_struct
#define WRITE
#define READWRITE write
#define RWContext PutBitContext
#define ub(width, name) do { \
uint32_t value = current->name; \
CHECK(ff_cbs_write_simple_unsigned(ctx, rw, width, #name, \
value)); \
} while (0)
#define xu(width, name, var, range_min, range_max, subs, ...) do { \
uint32_t value = var; \
CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
value, range_min, range_max)); \
} while (0)
#define xue(name, var, range_min, range_max, subs, ...) do { \
uint32_t value = var; \
CHECK(ff_cbs_write_ue_golomb(ctx, rw, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
value, range_min, range_max)); \
} while (0)
#define xi(width, name, var, range_min, range_max, subs, ...) do { \
int32_t value = var; \
CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
value, range_min, range_max)); \
} while (0)
#define xse(name, var, range_min, range_max, subs, ...) do { \
int32_t value = var; \
CHECK(ff_cbs_write_se_golomb(ctx, rw, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
value, range_min, range_max)); \
} while (0)
#define infer(name, value) do { \
if (current->name != (value)) { \
av_log(ctx->log_ctx, AV_LOG_ERROR, \
"%s does not match inferred value: " \
"%"PRId64", but should be %"PRId64".\n", \
#name, (int64_t)current->name, (int64_t)(value)); \
return AVERROR_INVALIDDATA; \
} \
} while (0)
#define more_rbsp_data(var) (var)
#define bit_position(rw) (put_bits_count(rw))
#define byte_alignment(rw) (put_bits_count(rw) % 8)
#define allocate(name, size) do { \
if (!name) { \
av_log(ctx->log_ctx, AV_LOG_ERROR, "%s must be set " \
"for writing.\n", #name); \
return AVERROR_INVALIDDATA; \
} \
} while (0)
#define FUNC(name) FUNC_H264(name)
#include "cbs_h264_syntax_template.c"
#undef FUNC
#undef WRITE
#undef READWRITE
#undef RWContext
#undef ub
#undef xu
#undef xi
#undef xue
#undef xse
#undef u
#undef i
#undef flag
#undef ue
#undef se
#undef infer
#undef more_rbsp_data
#undef bit_position
#undef byte_alignment
#undef allocate
static int cbs_h264_split_fragment(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
int header)
{
enum AVCodecID codec_id = ctx->codec->codec_id;
CodedBitstreamH264Context *priv = ctx->priv_data;
CodedBitstreamH2645Context *h2645 = &priv->common;
GetByteContext gbc;
int err;
av_assert0(frag->data && frag->nb_units == 0);
if (frag->data_size == 0)
return 0;
if (header && frag->data[0]) {
// AVCC header.
size_t size, start, end;
int i, count, version;
h2645->mp4 = 1;
bytestream2_init(&gbc, frag->data, frag->data_size);
if (bytestream2_get_bytes_left(&gbc) < 6)
return AVERROR_INVALIDDATA;
version = bytestream2_get_byte(&gbc);
if (version != 1) {
av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid AVCC header: "
"first byte %u.\n", version);
return AVERROR_INVALIDDATA;
}
bytestream2_skip(&gbc, 3);
h2645->nal_length_size = (bytestream2_get_byte(&gbc) & 3) + 1;
// SPS array.
count = bytestream2_get_byte(&gbc) & 0x1f;
start = bytestream2_tell(&gbc);
for (i = 0; i < count; i++) {
if (bytestream2_get_bytes_left(&gbc) < 2 * (count - i))
return AVERROR_INVALIDDATA;
size = bytestream2_get_be16(&gbc);
if (bytestream2_get_bytes_left(&gbc) < size)
return AVERROR_INVALIDDATA;
bytestream2_skip(&gbc, size);
}
end = bytestream2_tell(&gbc);
err = ff_h2645_packet_split(&h2645->read_packet,
frag->data + start, end - start,
ctx->log_ctx, 2, AV_CODEC_ID_H264,
H2645_FLAG_IS_NALFF | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF);
if (err < 0) {
av_log(ctx->log_ctx, AV_LOG_ERROR, "Failed to split AVCC SPS array.\n");
return err;
}
err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet);
if (err < 0)
return err;
// PPS array.
count = bytestream2_get_byte(&gbc);
start = bytestream2_tell(&gbc);
for (i = 0; i < count; i++) {
if (bytestream2_get_bytes_left(&gbc) < 2 * (count - i))
return AVERROR_INVALIDDATA;
size = bytestream2_get_be16(&gbc);
if (bytestream2_get_bytes_left(&gbc) < size)
return AVERROR_INVALIDDATA;
bytestream2_skip(&gbc, size);
}
end = bytestream2_tell(&gbc);
err = ff_h2645_packet_split(&h2645->read_packet,
frag->data + start, end - start,
ctx->log_ctx, 2, AV_CODEC_ID_H264,
H2645_FLAG_IS_NALFF | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF);
if (err < 0) {
av_log(ctx->log_ctx, AV_LOG_ERROR, "Failed to split AVCC PPS array.\n");
return err;
}
err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet);
if (err < 0)
return err;
if (bytestream2_get_bytes_left(&gbc) > 0) {
av_log(ctx->log_ctx, AV_LOG_WARNING, "%u bytes left at end of AVCC "
"header.\n", bytestream2_get_bytes_left(&gbc));
}
} else {
int flags = (H2645_FLAG_IS_NALFF * !!h2645->mp4) | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF;
// Annex B, or later MP4 with already-known parameters.
err = ff_h2645_packet_split(&h2645->read_packet,
frag->data, frag->data_size,
ctx->log_ctx,
h2645->nal_length_size,
codec_id, flags);
if (err < 0)
return err;
err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet);
if (err < 0)
return err;
}
return 0;
}
#define cbs_h2645_replace_ps(ps_name, ps_var, id_element) \
static int cbs_h264_replace_ ## ps_var(CodedBitstreamContext *ctx, \
CodedBitstreamUnit *unit) \
{ \
CodedBitstreamH264Context *priv = ctx->priv_data; \
H264Raw ## ps_name *ps_var = unit->content; \
unsigned int id = ps_var->id_element; \
int err = ff_cbs_make_unit_refcounted(ctx, unit); \
if (err < 0) \
return err; \
if (priv->ps_var[id] == priv->active_ ## ps_var) \
priv->active_ ## ps_var = NULL ; \
av_assert0(unit->content_ref); \
av_refstruct_replace(&priv->ps_var[id], unit->content_ref); \
return 0; \
}
cbs_h2645_replace_ps(SPS, sps, seq_parameter_set_id)
cbs_h2645_replace_ps(PPS, pps, pic_parameter_set_id)
static int cbs_h264_read_nal_unit(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit)
{
GetBitContext gbc;
int err;
err = init_get_bits(&gbc, unit->data, 8 * unit->data_size);
if (err < 0)
return err;
err = ff_cbs_alloc_unit_content(ctx, unit);
if (err < 0)
return err;
switch (unit->type) {
case H264_NAL_SPS:
{
H264RawSPS *sps = unit->content;
err = cbs_h264_read_sps(ctx, &gbc, sps);
if (err < 0)
return err;
err = cbs_h264_replace_sps(ctx, unit);
if (err < 0)
return err;
}
break;
case H264_NAL_SPS_EXT:
{
err = cbs_h264_read_sps_extension(ctx, &gbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_PPS:
{
H264RawPPS *pps = unit->content;
err = cbs_h264_read_pps(ctx, &gbc, pps);
if (err < 0)
return err;
err = cbs_h264_replace_pps(ctx, unit);
if (err < 0)
return err;
}
break;
case H264_NAL_SLICE:
case H264_NAL_IDR_SLICE:
case H264_NAL_AUXILIARY_SLICE:
{
H264RawSlice *slice = unit->content;
int pos, len;
err = cbs_h264_read_slice_header(ctx, &gbc, &slice->header);
if (err < 0)
return err;
if (!ff_cbs_h2645_read_more_rbsp_data(&gbc))
return AVERROR_INVALIDDATA;
pos = get_bits_count(&gbc);
len = unit->data_size;
slice->data_size = len - pos / 8;
slice->data_ref = av_buffer_ref(unit->data_ref);
if (!slice->data_ref)
return AVERROR(ENOMEM);
slice->data = unit->data + pos / 8;
slice->data_bit_start = pos % 8;
}
break;
case H264_NAL_AUD:
{
err = cbs_h264_read_aud(ctx, &gbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_SEI:
{
err = cbs_h264_read_sei(ctx, &gbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_FILLER_DATA:
{
err = cbs_h264_read_filler(ctx, &gbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_END_SEQUENCE:
case H264_NAL_END_STREAM:
{
err = (unit->type == H264_NAL_END_SEQUENCE ?
cbs_h264_read_end_of_sequence :
cbs_h264_read_end_of_stream)(ctx, &gbc, unit->content);
if (err < 0)
return err;
}
break;
default:
return AVERROR(ENOSYS);
}
return 0;
}
static int cbs_h264_write_nal_unit(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit,
PutBitContext *pbc)
{
int err;
switch (unit->type) {
case H264_NAL_SPS:
{
H264RawSPS *sps = unit->content;
err = cbs_h264_write_sps(ctx, pbc, sps);
if (err < 0)
return err;
err = cbs_h264_replace_sps(ctx, unit);
if (err < 0)
return err;
}
break;
case H264_NAL_SPS_EXT:
{
H264RawSPSExtension *sps_ext = unit->content;
err = cbs_h264_write_sps_extension(ctx, pbc, sps_ext);
if (err < 0)
return err;
}
break;
case H264_NAL_PPS:
{
H264RawPPS *pps = unit->content;
err = cbs_h264_write_pps(ctx, pbc, pps);
if (err < 0)
return err;
err = cbs_h264_replace_pps(ctx, unit);
if (err < 0)
return err;
}
break;
case H264_NAL_SLICE:
case H264_NAL_IDR_SLICE:
case H264_NAL_AUXILIARY_SLICE:
{
H264RawSlice *slice = unit->content;
err = cbs_h264_write_slice_header(ctx, pbc, &slice->header);
if (err < 0)
return err;
if (slice->data) {
err = ff_cbs_h2645_write_slice_data(ctx, pbc, slice->data,
slice->data_size,
slice->data_bit_start);
if (err < 0)
return err;
} else {
// No slice data - that was just the header.
// (Bitstream may be unaligned!)
}
}
break;
case H264_NAL_AUD:
{
err = cbs_h264_write_aud(ctx, pbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_SEI:
{
err = cbs_h264_write_sei(ctx, pbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_FILLER_DATA:
{
err = cbs_h264_write_filler(ctx, pbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_END_SEQUENCE:
{
err = cbs_h264_write_end_of_sequence(ctx, pbc, unit->content);
if (err < 0)
return err;
}
break;
case H264_NAL_END_STREAM:
{
err = cbs_h264_write_end_of_stream(ctx, pbc, unit->content);
if (err < 0)
return err;
}
break;
default:
av_log(ctx->log_ctx, AV_LOG_ERROR, "Write unimplemented for "
"NAL unit type %"PRIu32".\n", unit->type);
return AVERROR_PATCHWELCOME;
}
return 0;
}
static int cbs_h264_discarded_nal_unit(CodedBitstreamContext *ctx,
const CodedBitstreamUnit *unit,
enum AVDiscard skip)
{
H264RawNALUnitHeader *header;
H264RawSliceHeader *slice;
int slice_type_i, slice_type_b, slice_type_si;
if (skip <= AVDISCARD_DEFAULT)
return 0;
// keep non-VCL
if (unit->type != H264_NAL_SLICE &&
unit->type != H264_NAL_IDR_SLICE &&
unit->type != H264_NAL_AUXILIARY_SLICE)
return 0;
if (skip >= AVDISCARD_ALL)
return 1;
if (skip >= AVDISCARD_NONKEY && unit->type != H264_NAL_IDR_SLICE)
return 1;
header = (H264RawNALUnitHeader *)unit->content;
if (!header) {
av_log(ctx->log_ctx, AV_LOG_WARNING,
"h264 nal unit header is null, missing decompose?\n");
return 0;
}
if (skip >= AVDISCARD_NONREF && !header->nal_ref_idc)
return 1;
slice = (H264RawSliceHeader *)unit->content;
if (!slice) {
av_log(ctx->log_ctx, AV_LOG_WARNING,
"h264 slice header is null, missing decompose?\n");
return 0;
}
slice_type_i = slice->slice_type % 5 == 2;
slice_type_b = slice->slice_type % 5 == 1;
slice_type_si = slice->slice_type % 5 == 4;
if (skip >= AVDISCARD_BIDIR && slice_type_b)
return 1;
if (skip >= AVDISCARD_NONINTRA && !slice_type_i && !slice_type_si)
return 1;
return 0;
}
static av_cold void cbs_h264_flush(CodedBitstreamContext *ctx)
{
CodedBitstreamH264Context *h264 = ctx->priv_data;
for (int i = 0; i < FF_ARRAY_ELEMS(h264->sps); i++)
av_refstruct_unref(&h264->sps[i]);
for (int i = 0; i < FF_ARRAY_ELEMS(h264->pps); i++)
av_refstruct_unref(&h264->pps[i]);
h264->active_sps = NULL;
h264->active_pps = NULL;
h264->last_slice_nal_unit_type = 0;
}
static av_cold void cbs_h264_close(CodedBitstreamContext *ctx)
{
CodedBitstreamH264Context *h264 = ctx->priv_data;
int i;
ff_h2645_packet_uninit(&h264->common.read_packet);
for (i = 0; i < FF_ARRAY_ELEMS(h264->sps); i++)
av_refstruct_unref(&h264->sps[i]);
for (i = 0; i < FF_ARRAY_ELEMS(h264->pps); i++)
av_refstruct_unref(&h264->pps[i]);
}
static void cbs_h264_free_sei(AVRefStructOpaque unused, void *content)
{
H264RawSEI *sei = content;
ff_cbs_sei_free_message_list(&sei->message_list);
}
static CodedBitstreamUnitTypeDescriptor cbs_h264_unit_types[] = {
CBS_UNIT_TYPE_POD(H264_NAL_SPS, H264RawSPS),
CBS_UNIT_TYPE_POD(H264_NAL_SPS_EXT, H264RawSPSExtension),
CBS_UNIT_TYPE_INTERNAL_REF(H264_NAL_PPS, H264RawPPS, slice_group_id),
CBS_UNIT_TYPES_INTERNAL_REF((H264_NAL_IDR_SLICE,
H264_NAL_SLICE,
H264_NAL_AUXILIARY_SLICE), H264RawSlice, data),
CBS_UNIT_TYPE_POD(H264_NAL_AUD, H264RawAUD),
CBS_UNIT_TYPE_POD(H264_NAL_FILLER_DATA, H264RawFiller),
CBS_UNIT_TYPE_POD(H264_NAL_END_SEQUENCE, H264RawNALUnitHeader),
CBS_UNIT_TYPE_POD(H264_NAL_END_STREAM, H264RawNALUnitHeader),
CBS_UNIT_TYPE_COMPLEX(H264_NAL_SEI, H264RawSEI, &cbs_h264_free_sei),
CBS_UNIT_TYPE_END_OF_LIST
};
const CodedBitstreamType ff_cbs_type_h264 = {
.codec_id = AV_CODEC_ID_H264,
.priv_data_size = sizeof(CodedBitstreamH264Context),
.unit_types = cbs_h264_unit_types,
.split_fragment = &cbs_h264_split_fragment,
.read_unit = &cbs_h264_read_nal_unit,
.write_unit = &cbs_h264_write_nal_unit,
.discarded_unit = &cbs_h264_discarded_nal_unit,
.assemble_fragment = &ff_cbs_h2645_assemble_fragment,
.flush = &cbs_h264_flush,
.close = &cbs_h264_close,
};
// Macro for the read/write pair.
#define SEI_MESSAGE_RW(codec, name) \
.read = cbs_ ## codec ## _read_ ## name ## _internal, \
.write = cbs_ ## codec ## _write_ ## name ## _internal
const SEIMessageTypeDescriptor ff_cbs_sei_h264_types[] = {
{
SEI_TYPE_BUFFERING_PERIOD,
1, 0,
sizeof(H264RawSEIBufferingPeriod),
SEI_MESSAGE_RW(h264, sei_buffering_period),
},
{
SEI_TYPE_PIC_TIMING,
1, 0,
sizeof(H264RawSEIPicTiming),
SEI_MESSAGE_RW(h264, sei_pic_timing),
},
{
SEI_TYPE_PAN_SCAN_RECT,
1, 0,
sizeof(H264RawSEIPanScanRect),
SEI_MESSAGE_RW(h264, sei_pan_scan_rect),
},
{
SEI_TYPE_RECOVERY_POINT,
1, 0,
sizeof(H264RawSEIRecoveryPoint),
SEI_MESSAGE_RW(h264, sei_recovery_point),
},
{
SEI_TYPE_FILM_GRAIN_CHARACTERISTICS,
1, 0,
sizeof(H264RawFilmGrainCharacteristics),
SEI_MESSAGE_RW(h264, film_grain_characteristics),
},
{
SEI_TYPE_FRAME_PACKING_ARRANGEMENT,
1, 0,
sizeof(H264RawSEIFramePackingArrangement),
SEI_MESSAGE_RW(h264, sei_frame_packing_arrangement),
},
{
SEI_TYPE_DISPLAY_ORIENTATION,
1, 0,
sizeof(H264RawSEIDisplayOrientation),
SEI_MESSAGE_RW(h264, sei_display_orientation),
},
SEI_MESSAGE_TYPE_END
};
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