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avcodec/cbs: allow fine tunning selection of features

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Core framework and AV1 only for now.
This will be useful in an upcoming commit, where CBS will be utilized by
a module outside libavcodec.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-03-21 13:55:25 -03:00
parent 3e0b38ed7f
commit 5631704d83
6 changed files with 269 additions and 116 deletions
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142
libavcodec/cbs.c
View File

@@ -18,8 +18,6 @@
#include <string.h>
#include "config.h"
#include "libavutil/avassert.h"
#include "libavutil/buffer.h"
#include "libavutil/common.h"
@@ -33,61 +31,61 @@
static const CodedBitstreamType *const cbs_type_table[] = {
#if CONFIG_CBS_AV1
&ff_cbs_type_av1,
#if CBS_AV1
&CBS_FUNC(type_av1),
#endif
#if CONFIG_CBS_H264
&ff_cbs_type_h264,
#if CBS_H264
&CBS_FUNC(type_h264),
#endif
#if CONFIG_CBS_H265
&ff_cbs_type_h265,
#if CBS_H265
&CBS_FUNC(type_h265),
#endif
#if CONFIG_CBS_H266
&ff_cbs_type_h266,
#if CBS_H266
&CBS_FUNC(type_h266),
#endif
#if CONFIG_CBS_JPEG
&ff_cbs_type_jpeg,
#if CBS_JPEG
&CBS_FUNC(type_jpeg),
#endif
#if CONFIG_CBS_MPEG2
&ff_cbs_type_mpeg2,
#if CBS_MPEG2
&CBS_FUNC(type_mpeg2),
#endif
#if CONFIG_CBS_VP8
&ff_cbs_type_vp8,
#if CBS_VP8
&CBS_FUNC(type_vp8),
#endif
#if CONFIG_CBS_VP9
&ff_cbs_type_vp9,
#if CBS_VP9
&CBS_FUNC(type_vp9),
#endif
};
const enum AVCodecID ff_cbs_all_codec_ids[] = {
#if CONFIG_CBS_AV1
const enum AVCodecID CBS_FUNC(all_codec_ids)[] = {
#if CBS_AV1
AV_CODEC_ID_AV1,
#endif
#if CONFIG_CBS_H264
#if CBS_H264
AV_CODEC_ID_H264,
#endif
#if CONFIG_CBS_H265
#if CBS_H265
AV_CODEC_ID_H265,
#endif
#if CONFIG_CBS_H266
#if CBS_H266
AV_CODEC_ID_H266,
#endif
#if CONFIG_CBS_JPEG
#if CBS_JPEG
AV_CODEC_ID_MJPEG,
#endif
#if CONFIG_CBS_MPEG2
#if CBS_MPEG2
AV_CODEC_ID_MPEG2VIDEO,
#endif
#if CONFIG_CBS_VP8
#if CBS_VP8
AV_CODEC_ID_VP8,
#endif
#if CONFIG_CBS_VP9
#if CBS_VP9
AV_CODEC_ID_VP9,
#endif
AV_CODEC_ID_NONE
};
av_cold int ff_cbs_init(CodedBitstreamContext **ctx_ptr,
av_cold int CBS_FUNC(init)(CodedBitstreamContext **ctx_ptr,
enum AVCodecID codec_id, void *log_ctx)
{
CodedBitstreamContext *ctx;
@@ -133,13 +131,13 @@ av_cold int ff_cbs_init(CodedBitstreamContext **ctx_ptr,
return 0;
}
av_cold void ff_cbs_flush(CodedBitstreamContext *ctx)
av_cold void CBS_FUNC(flush)(CodedBitstreamContext *ctx)
{
if (ctx->codec->flush)
ctx->codec->flush(ctx);
}
av_cold void ff_cbs_close(CodedBitstreamContext **ctx_ptr)
av_cold void CBS_FUNC(close)(CodedBitstreamContext **ctx_ptr)
{
CodedBitstreamContext *ctx = *ctx_ptr;
@@ -169,7 +167,7 @@ static void cbs_unit_uninit(CodedBitstreamUnit *unit)
unit->data_bit_padding = 0;
}
void ff_cbs_fragment_reset(CodedBitstreamFragment *frag)
void CBS_FUNC(fragment_reset)(CodedBitstreamFragment *frag)
{
int i;
@@ -183,14 +181,15 @@ void ff_cbs_fragment_reset(CodedBitstreamFragment *frag)
frag->data_bit_padding = 0;
}
av_cold void ff_cbs_fragment_free(CodedBitstreamFragment *frag)
av_cold void CBS_FUNC(fragment_free)(CodedBitstreamFragment *frag)
{
ff_cbs_fragment_reset(frag);
CBS_FUNC(fragment_reset)(frag);
av_freep(&frag->units);
frag->nb_units_allocated = 0;
}
#if CBS_READ
static int cbs_read_fragment_content(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag)
{
@@ -283,7 +282,7 @@ static int cbs_read_data(CodedBitstreamContext *ctx,
return cbs_read_fragment_content(ctx, frag);
}
int ff_cbs_read_extradata(CodedBitstreamContext *ctx,
int CBS_FUNC(read_extradata)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVCodecParameters *par)
{
@@ -292,7 +291,7 @@ int ff_cbs_read_extradata(CodedBitstreamContext *ctx,
par->extradata_size, 1);
}
int ff_cbs_read_extradata_from_codec(CodedBitstreamContext *ctx,
int CBS_FUNC(read_extradata_from_codec)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVCodecContext *avctx)
{
@@ -301,7 +300,7 @@ int ff_cbs_read_extradata_from_codec(CodedBitstreamContext *ctx,
avctx->extradata_size, 1);
}
int ff_cbs_read_packet(CodedBitstreamContext *ctx,
int CBS_FUNC(read_packet)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt)
{
@@ -309,7 +308,7 @@ int ff_cbs_read_packet(CodedBitstreamContext *ctx,
pkt->data, pkt->size, 0);
}
int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
int CBS_FUNC(read_packet_side_data)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt)
{
@@ -322,14 +321,16 @@ int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
side_data, side_data_size, 1);
}
int ff_cbs_read(CodedBitstreamContext *ctx,
int CBS_FUNC(read)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const uint8_t *data, size_t size)
{
return cbs_read_data(ctx, frag, NULL,
data, size, 0);
}
#endif
#if CBS_WRITE
/**
* Allocate a new internal data buffer of the given size in the unit.
*
@@ -406,7 +407,7 @@ static int cbs_write_unit_data(CodedBitstreamContext *ctx,
return 0;
}
int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
int CBS_FUNC(write_fragment_data)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag)
{
int err, i;
@@ -442,13 +443,13 @@ int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
return 0;
}
int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
int CBS_FUNC(write_extradata)(CodedBitstreamContext *ctx,
AVCodecParameters *par,
CodedBitstreamFragment *frag)
{
int err;
err = ff_cbs_write_fragment_data(ctx, frag);
err = CBS_FUNC(write_fragment_data)(ctx, frag);
if (err < 0)
return err;
@@ -471,14 +472,14 @@ int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
return 0;
}
int ff_cbs_write_packet(CodedBitstreamContext *ctx,
int CBS_FUNC(write_packet)(CodedBitstreamContext *ctx,
AVPacket *pkt,
CodedBitstreamFragment *frag)
{
AVBufferRef *buf;
int err;
err = ff_cbs_write_fragment_data(ctx, frag);
err = CBS_FUNC(write_fragment_data)(ctx, frag);
if (err < 0)
return err;
@@ -494,22 +495,26 @@ int ff_cbs_write_packet(CodedBitstreamContext *ctx,
return 0;
}
#endif
void ff_cbs_trace_header(CodedBitstreamContext *ctx,
void CBS_FUNC(trace_header)(CodedBitstreamContext *ctx,
const char *name)
{
#if CBS_TRACE
if (!ctx->trace_enable)
return;
av_log(ctx->log_ctx, ctx->trace_level, "%s\n", name);
#endif
}
void ff_cbs_trace_read_log(void *trace_context,
void CBS_FUNC(trace_read_log)(void *trace_context,
GetBitContext *gbc, int length,
const char *str, const int *subscripts,
int64_t value)
{
#if CBS_TRACE
CodedBitstreamContext *ctx = trace_context;
char name[256];
char bits[256];
@@ -561,13 +566,15 @@ void ff_cbs_trace_read_log(void *trace_context,
av_log(ctx->log_ctx, ctx->trace_level, "%-10d %s%*s = %"PRId64"\n",
position, name, pad, bits, value);
#endif
}
void ff_cbs_trace_write_log(void *trace_context,
void CBS_FUNC(trace_write_log)(void *trace_context,
PutBitContext *pbc, int length,
const char *str, const int *subscripts,
int64_t value)
{
#if CBS_TRACE
CodedBitstreamContext *ctx = trace_context;
// Ensure that the syntax element is written to the output buffer,
@@ -590,9 +597,11 @@ void ff_cbs_trace_write_log(void *trace_context,
skip_bits_long(&gbc, position - length);
ff_cbs_trace_read_log(ctx, &gbc, length, str, subscripts, value);
CBS_FUNC(trace_read_log)(ctx, &gbc, length, str, subscripts, value);
#endif
}
#if CBS_READ
static av_always_inline int cbs_read_unsigned(CodedBitstreamContext *ctx,
GetBitContext *gbc,
int width, const char *name,
@@ -628,7 +637,7 @@ static av_always_inline int cbs_read_unsigned(CodedBitstreamContext *ctx,
return 0;
}
int ff_cbs_read_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
int CBS_FUNC(read_unsigned)(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name,
const int *subscripts, uint32_t *write_to,
uint32_t range_min, uint32_t range_max)
@@ -637,14 +646,16 @@ int ff_cbs_read_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
write_to, range_min, range_max);
}
int ff_cbs_read_simple_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
int CBS_FUNC(read_simple_unsigned)(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name, uint32_t *write_to)
{
return cbs_read_unsigned(ctx, gbc, width, name, NULL,
write_to, 0, UINT32_MAX);
}
#endif
int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
#if CBS_WRITE
int CBS_FUNC(write_unsigned)(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name,
const int *subscripts, uint32_t value,
uint32_t range_min, uint32_t range_max)
@@ -673,14 +684,16 @@ int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
return 0;
}
int ff_cbs_write_simple_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
int CBS_FUNC(write_simple_unsigned)(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name, uint32_t value)
{
return ff_cbs_write_unsigned(ctx, pbc, width, name, NULL,
return CBS_FUNC(write_unsigned)(ctx, pbc, width, name, NULL,
value, 0, MAX_UINT_BITS(width));
}
#endif
int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
#if CBS_READ
int CBS_FUNC(read_signed)(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name,
const int *subscripts, int32_t *write_to,
int32_t range_min, int32_t range_max)
@@ -711,8 +724,10 @@ int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
*write_to = value;
return 0;
}
#endif
int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
#if CBS_WRITE
int CBS_FUNC(write_signed)(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name,
const int *subscripts, int32_t value,
int32_t range_min, int32_t range_max)
@@ -740,6 +755,7 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
return 0;
}
#endif
static int cbs_insert_unit(CodedBitstreamFragment *frag,
@@ -780,7 +796,7 @@ static int cbs_insert_unit(CodedBitstreamFragment *frag,
return 0;
}
int ff_cbs_insert_unit_content(CodedBitstreamFragment *frag,
int CBS_FUNC(insert_unit_content)(CodedBitstreamFragment *frag,
int position,
CodedBitstreamUnitType type,
void *content,
@@ -847,7 +863,7 @@ static int cbs_insert_unit_data(CodedBitstreamFragment *frag,
return 0;
}
int ff_cbs_append_unit_data(CodedBitstreamFragment *frag,
int CBS_FUNC(append_unit_data)(CodedBitstreamFragment *frag,
CodedBitstreamUnitType type,
uint8_t *data, size_t data_size,
AVBufferRef *data_buf)
@@ -857,7 +873,7 @@ int ff_cbs_append_unit_data(CodedBitstreamFragment *frag,
frag->nb_units);
}
void ff_cbs_delete_unit(CodedBitstreamFragment *frag,
void CBS_FUNC(delete_unit)(CodedBitstreamFragment *frag,
int position)
{
av_assert0(0 <= position && position < frag->nb_units
@@ -920,7 +936,7 @@ static void *cbs_alloc_content(const CodedBitstreamUnitTypeDescriptor *desc)
: cbs_default_free_unit_content);
}
int ff_cbs_alloc_unit_content(CodedBitstreamContext *ctx,
int CBS_FUNC(alloc_unit_content)(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit)
{
const CodedBitstreamUnitTypeDescriptor *desc;
@@ -1032,7 +1048,7 @@ static int cbs_clone_unit_content(CodedBitstreamContext *ctx,
return 0;
}
int ff_cbs_make_unit_refcounted(CodedBitstreamContext *ctx,
int CBS_FUNC(make_unit_refcounted)(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit)
{
av_assert0(unit->content);
@@ -1041,7 +1057,7 @@ int ff_cbs_make_unit_refcounted(CodedBitstreamContext *ctx,
return cbs_clone_unit_content(ctx, unit);
}
int ff_cbs_make_unit_writable(CodedBitstreamContext *ctx,
int CBS_FUNC(make_unit_writable)(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit)
{
void *ref = unit->content_ref;
@@ -1058,7 +1074,7 @@ int ff_cbs_make_unit_writable(CodedBitstreamContext *ctx,
return 0;
}
void ff_cbs_discard_units(CodedBitstreamContext *ctx,
void CBS_FUNC(discard_units)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
enum AVDiscard skip,
int flags)
@@ -1070,11 +1086,11 @@ void ff_cbs_discard_units(CodedBitstreamContext *ctx,
if (ctx->codec->discarded_unit(ctx, &frag->units[i], skip)) {
// discard all units
if (!(flags & DISCARD_FLAG_KEEP_NON_VCL)) {
ff_cbs_fragment_free(frag);
CBS_FUNC(fragment_free)(frag);
return;
}
ff_cbs_delete_unit(frag, i);
CBS_FUNC(delete_unit)(frag, i);
}
}
}

53
libavcodec/cbs.h
View File

@@ -29,6 +29,13 @@
#include "defs.h"
#include "packet.h"
#ifndef CBS_PREFIX
#define CBS_PREFIX cbs
#endif
#define CBS_FUNC_PREFIX_NAME(prefix, name) ff_ ## prefix ## _ ## name
#define CBS_FUNC_NAME(prefix, name) CBS_FUNC_PREFIX_NAME(prefix, name)
#define CBS_FUNC(name) CBS_FUNC_NAME(CBS_PREFIX, name)
/*
* This defines a framework for converting between a coded bitstream
@@ -294,24 +301,24 @@ typedef struct CodedBitstreamContext {
*
* Terminated by AV_CODEC_ID_NONE.
*/
extern const enum AVCodecID ff_cbs_all_codec_ids[];
extern const enum AVCodecID CBS_FUNC(all_codec_ids)[];
/**
* Create and initialise a new context for the given codec.
*/
int ff_cbs_init(CodedBitstreamContext **ctx,
int CBS_FUNC(init)(CodedBitstreamContext **ctx,
enum AVCodecID codec_id, void *log_ctx);
/**
* Reset all internal state in a context.
*/
void ff_cbs_flush(CodedBitstreamContext *ctx);
void CBS_FUNC(flush)(CodedBitstreamContext *ctx);
/**
* Close a context and free all internal state.
*/
void ff_cbs_close(CodedBitstreamContext **ctx);
void CBS_FUNC(close)(CodedBitstreamContext **ctx);
/**
@@ -325,7 +332,7 @@ void ff_cbs_close(CodedBitstreamContext **ctx);
* The fragment must have been zeroed or reset via ff_cbs_fragment_reset
* before use.
*/
int ff_cbs_read_extradata(CodedBitstreamContext *ctx,
int CBS_FUNC(read_extradata)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVCodecParameters *par);
@@ -336,11 +343,11 @@ int ff_cbs_read_extradata(CodedBitstreamContext *ctx,
* This acts identical to ff_cbs_read_extradata() for the case where
* you already have a codec context.
*/
int ff_cbs_read_extradata_from_codec(CodedBitstreamContext *ctx,
int CBS_FUNC(read_extradata_from_codec)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const struct AVCodecContext *avctx);
int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
int CBS_FUNC(read_packet_side_data)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt);
@@ -355,7 +362,7 @@ int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
* The fragment must have been zeroed or reset via ff_cbs_fragment_reset
* before use.
*/
int ff_cbs_read_packet(CodedBitstreamContext *ctx,
int CBS_FUNC(read_packet)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt);
@@ -370,7 +377,7 @@ int ff_cbs_read_packet(CodedBitstreamContext *ctx,
* The fragment must have been zeroed or reset via ff_cbs_fragment_reset
* before use.
*/
int ff_cbs_read(CodedBitstreamContext *ctx,
int CBS_FUNC(read)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const uint8_t *data, size_t size);
@@ -387,7 +394,7 @@ int ff_cbs_read(CodedBitstreamContext *ctx,
* with any persistent data from the fragment which may be required to
* write following fragments (e.g. parameter sets).
*/
int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
int CBS_FUNC(write_fragment_data)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag);
/**
@@ -396,7 +403,7 @@ int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
* Modifies context and fragment as ff_cbs_write_fragment_data does and
* replaces any existing extradata in the structure.
*/
int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
int CBS_FUNC(write_extradata)(CodedBitstreamContext *ctx,
AVCodecParameters *par,
CodedBitstreamFragment *frag);
@@ -410,7 +417,7 @@ int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
* fragment; other fields are not touched. On failure, the packet is not
* touched at all.
*/
int ff_cbs_write_packet(CodedBitstreamContext *ctx,
int CBS_FUNC(write_packet)(CodedBitstreamContext *ctx,
AVPacket *pkt,
CodedBitstreamFragment *frag);
@@ -419,20 +426,20 @@ int ff_cbs_write_packet(CodedBitstreamContext *ctx,
* Free the units contained in a fragment as well as the fragment's
* own data buffer, but not the units array itself.
*/
void ff_cbs_fragment_reset(CodedBitstreamFragment *frag);
void CBS_FUNC(fragment_reset)(CodedBitstreamFragment *frag);
/**
* Free the units array of a fragment in addition to what
* ff_cbs_fragment_reset does.
*/
void ff_cbs_fragment_free(CodedBitstreamFragment *frag);
void CBS_FUNC(fragment_free)(CodedBitstreamFragment *frag);
/**
* Allocate a new internal content buffer matching the type of the unit.
*
* The content will be zeroed.
*/
int ff_cbs_alloc_unit_content(CodedBitstreamContext *ctx,
int CBS_FUNC(alloc_unit_content)(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit);
/**
@@ -443,7 +450,7 @@ int ff_cbs_alloc_unit_content(CodedBitstreamContext *ctx,
* The content structure continues to be owned by the caller if
* content_ref is not supplied.
*/
int ff_cbs_insert_unit_content(CodedBitstreamFragment *frag,
int CBS_FUNC(insert_unit_content)(CodedBitstreamFragment *frag,
int position,
CodedBitstreamUnitType type,
void *content,
@@ -456,7 +463,7 @@ int ff_cbs_insert_unit_content(CodedBitstreamFragment *frag,
* av_malloc() and will on success become owned by the unit after this
* call or freed on error.
*/
int ff_cbs_append_unit_data(CodedBitstreamFragment *frag,
int CBS_FUNC(append_unit_data)(CodedBitstreamFragment *frag,
CodedBitstreamUnitType type,
uint8_t *data, size_t data_size,
AVBufferRef *data_buf);
@@ -466,7 +473,7 @@ int ff_cbs_append_unit_data(CodedBitstreamFragment *frag,
*
* Requires position to be >= 0 and < frag->nb_units.
*/
void ff_cbs_delete_unit(CodedBitstreamFragment *frag,
void CBS_FUNC(delete_unit)(CodedBitstreamFragment *frag,
int position);
@@ -479,7 +486,7 @@ void ff_cbs_delete_unit(CodedBitstreamFragment *frag,
* It is not valid to call this function on a unit which does not have
* decomposed content.
*/
int ff_cbs_make_unit_refcounted(CodedBitstreamContext *ctx,
int CBS_FUNC(make_unit_refcounted)(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit);
/**
@@ -495,7 +502,7 @@ int ff_cbs_make_unit_refcounted(CodedBitstreamContext *ctx,
* It is not valid to call this function on a unit which does not have
* decomposed content.
*/
int ff_cbs_make_unit_writable(CodedBitstreamContext *ctx,
int CBS_FUNC(make_unit_writable)(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit);
enum CbsDiscardFlags {
@@ -510,7 +517,7 @@ enum CbsDiscardFlags {
/**
* Discard units accroding to 'skip'.
*/
void ff_cbs_discard_units(CodedBitstreamContext *ctx,
void CBS_FUNC(discard_units)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
enum AVDiscard skip,
int flags);
@@ -522,7 +529,7 @@ void ff_cbs_discard_units(CodedBitstreamContext *ctx,
*
* Trace context should be set to the CodedBitstreamContext.
*/
void ff_cbs_trace_read_log(void *trace_context,
void CBS_FUNC(trace_read_log)(void *trace_context,
struct GetBitContext *gbc, int length,
const char *str, const int *subscripts,
int64_t value);
@@ -533,7 +540,7 @@ void ff_cbs_trace_read_log(void *trace_context,
*
* Trace context should be set to the CodedBitstreamContext.
*/
void ff_cbs_trace_write_log(void *trace_context,
void CBS_FUNC(trace_write_log)(void *trace_context,
struct PutBitContext *pbc, int length,
const char *str, const int *subscripts,
int64_t value);

91
libavcodec/cbs_av1.c
View File

@@ -27,6 +27,7 @@
#include "libavutil/refstruct.h"
#if CBS_READ
static int cbs_av1_read_uvlc(CodedBitstreamContext *ctx, GetBitContext *gbc,
const char *name, uint32_t *write_to,
uint32_t range_min, uint32_t range_max)
@@ -84,7 +85,9 @@ static int cbs_av1_read_uvlc(CodedBitstreamContext *ctx, GetBitContext *gbc,
*write_to = value;
return 0;
}
#endif
#if CBS_WRITE
static int cbs_av1_write_uvlc(CodedBitstreamContext *ctx, PutBitContext *pbc,
const char *name, uint32_t value,
uint32_t range_min, uint32_t range_max)
@@ -115,7 +118,9 @@ static int cbs_av1_write_uvlc(CodedBitstreamContext *ctx, PutBitContext *pbc,
return 0;
}
#endif
#if CBS_READ
static int cbs_av1_read_leb128(CodedBitstreamContext *ctx, GetBitContext *gbc,
const char *name, uint64_t *write_to)
{
@@ -146,7 +151,9 @@ static int cbs_av1_read_leb128(CodedBitstreamContext *ctx, GetBitContext *gbc,
*write_to = value;
return 0;
}
#endif
#if CBS_WRITE
static int cbs_av1_write_leb128(CodedBitstreamContext *ctx, PutBitContext *pbc,
const char *name, uint64_t value, int fixed_length)
{
@@ -182,7 +189,9 @@ static int cbs_av1_write_leb128(CodedBitstreamContext *ctx, PutBitContext *pbc,
return 0;
}
#endif
#if CBS_READ
static int cbs_av1_read_ns(CodedBitstreamContext *ctx, GetBitContext *gbc,
uint32_t n, const char *name,
const int *subscripts, uint32_t *write_to)
@@ -220,7 +229,9 @@ static int cbs_av1_read_ns(CodedBitstreamContext *ctx, GetBitContext *gbc,
*write_to = value;
return 0;
}
#endif
#if CBS_WRITE
static int cbs_av1_write_ns(CodedBitstreamContext *ctx, PutBitContext *pbc,
uint32_t n, const char *name,
const int *subscripts, uint32_t value)
@@ -256,7 +267,9 @@ static int cbs_av1_write_ns(CodedBitstreamContext *ctx, PutBitContext *pbc,
return 0;
}
#endif
#if CBS_READ
static int cbs_av1_read_increment(CodedBitstreamContext *ctx, GetBitContext *gbc,
uint32_t range_min, uint32_t range_max,
const char *name, uint32_t *write_to)
@@ -284,7 +297,9 @@ static int cbs_av1_read_increment(CodedBitstreamContext *ctx, GetBitContext *gbc
*write_to = value;
return 0;
}
#endif
#if CBS_WRITE
static int cbs_av1_write_increment(CodedBitstreamContext *ctx, PutBitContext *pbc,
uint32_t range_min, uint32_t range_max,
const char *name, uint32_t value)
@@ -315,7 +330,9 @@ static int cbs_av1_write_increment(CodedBitstreamContext *ctx, PutBitContext *pb
return 0;
}
#endif
#if CBS_READ
static int cbs_av1_read_subexp(CodedBitstreamContext *ctx, GetBitContext *gbc,
uint32_t range_max, const char *name,
const int *subscripts, uint32_t *write_to)
@@ -342,7 +359,7 @@ static int cbs_av1_read_subexp(CodedBitstreamContext *ctx, GetBitContext *gbc,
}
if (len < max_len) {
err = ff_cbs_read_simple_unsigned(ctx, gbc, range_bits,
err = CBS_FUNC(read_simple_unsigned)(ctx, gbc, range_bits,
"subexp_bits", &value);
if (err < 0)
return err;
@@ -360,7 +377,9 @@ static int cbs_av1_read_subexp(CodedBitstreamContext *ctx, GetBitContext *gbc,
*write_to = value;
return err;
}
#endif
#if CBS_WRITE
static int cbs_av1_write_subexp(CodedBitstreamContext *ctx, PutBitContext *pbc,
uint32_t range_max, const char *name,
const int *subscripts, uint32_t value)
@@ -402,7 +421,7 @@ static int cbs_av1_write_subexp(CodedBitstreamContext *ctx, PutBitContext *pbc,
return err;
if (len < max_len) {
err = ff_cbs_write_simple_unsigned(ctx, pbc, range_bits,
err = CBS_FUNC(write_simple_unsigned)(ctx, pbc, range_bits,
"subexp_bits",
value - range_offset);
if (err < 0)
@@ -420,6 +439,7 @@ static int cbs_av1_write_subexp(CodedBitstreamContext *ctx, PutBitContext *pbc,
return err;
}
#endif
static int cbs_av1_tile_log2(int blksize, int target)
@@ -441,7 +461,7 @@ static int cbs_av1_get_relative_dist(const AV1RawSequenceHeader *seq,
return diff;
}
static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
static av_unused size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
{
GetBitContext tmp = *gbc;
size_t size = 0;
@@ -454,7 +474,7 @@ static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
#define HEADER(name) do { \
ff_cbs_trace_header(ctx, name); \
CBS_FUNC(trace_header)(ctx, name); \
} while (0)
#define CHECK(call) do { \
@@ -469,6 +489,7 @@ static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
#define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)
#if CBS_READ
#define fc(width, name, range_min, range_max) \
xf(width, name, current->name, range_min, range_max, 0, )
#define flag(name) fb(1, name)
@@ -496,14 +517,14 @@ static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
#define fb(width, name) do { \
uint32_t value; \
CHECK(ff_cbs_read_simple_unsigned(ctx, rw, width, \
CHECK(CBS_FUNC(read_simple_unsigned)(ctx, rw, width, \
#name, &value)); \
current->name = value; \
} while (0)
#define xf(width, name, var, range_min, range_max, subs, ...) do { \
uint32_t value; \
CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \
CHECK(CBS_FUNC(read_unsigned)(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
&value, range_min, range_max)); \
var = value; \
@@ -511,7 +532,7 @@ static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
#define xsu(width, name, var, subs, ...) do { \
int32_t value; \
CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \
CHECK(CBS_FUNC(read_signed)(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), &value, \
MIN_INT_BITS(width), \
MAX_INT_BITS(width))); \
@@ -584,25 +605,27 @@ static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
#undef leb128
#undef infer
#undef byte_alignment
#endif // CBS_READ
#if CBS_WRITE
#define WRITE
#define READWRITE write
#define RWContext PutBitContext
#define fb(width, name) do { \
CHECK(ff_cbs_write_simple_unsigned(ctx, rw, width, #name, \
CHECK(CBS_FUNC(write_simple_unsigned)(ctx, rw, width, #name, \
current->name)); \
} while (0)
#define xf(width, name, var, range_min, range_max, subs, ...) do { \
CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \
CHECK(CBS_FUNC(write_unsigned)(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), \
var, range_min, range_max)); \
} while (0)
#define xsu(width, name, var, subs, ...) do { \
CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \
CHECK(CBS_FUNC(write_signed)(ctx, rw, width, #name, \
SUBSCRIPTS(subs, __VA_ARGS__), var, \
MIN_INT_BITS(width), \
MAX_INT_BITS(width))); \
@@ -668,12 +691,13 @@ static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
#undef leb128
#undef infer
#undef byte_alignment
#endif // CBS_WRITE
static int cbs_av1_split_fragment(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
int header)
{
#if CBS_READ
GetBitContext gbc;
uint8_t *data;
size_t size;
@@ -763,7 +787,7 @@ static int cbs_av1_split_fragment(CodedBitstreamContext *ctx,
goto fail;
}
err = ff_cbs_append_unit_data(frag, obu_header.obu_type,
err = CBS_FUNC(append_unit_data)(frag, obu_header.obu_type,
data, obu_length, frag->data_ref);
if (err < 0)
goto fail;
@@ -777,8 +801,12 @@ success:
fail:
ctx->trace_enable = trace;
return err;
#else
return AVERROR(ENOSYS);
#endif
}
#if CBS_READ
static int cbs_av1_ref_tile_data(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit,
GetBitContext *gbc,
@@ -805,16 +833,18 @@ static int cbs_av1_ref_tile_data(CodedBitstreamContext *ctx,
return 0;
}
#endif
static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit)
{
#if CBS_READ
CodedBitstreamAV1Context *priv = ctx->priv_data;
AV1RawOBU *obu;
GetBitContext gbc;
int err, start_pos, end_pos;
err = ff_cbs_alloc_unit_content(ctx, unit);
err = CBS_FUNC(alloc_unit_content)(ctx, unit);
if (err < 0)
return err;
obu = unit->content;
@@ -931,6 +961,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
#if CBS_AV1_OBU_TILE_LIST
case AV1_OBU_TILE_LIST:
{
err = cbs_av1_read_tile_list_obu(ctx, &gbc,
@@ -946,6 +977,8 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
#endif
#if CBS_AV1_OBU_METADATA
case AV1_OBU_METADATA:
{
err = cbs_av1_read_metadata_obu(ctx, &gbc, &obu->obu.metadata);
@@ -953,6 +986,8 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
#endif
#if CBS_AV1_OBU_PADDING
case AV1_OBU_PADDING:
{
err = cbs_av1_read_padding_obu(ctx, &gbc, &obu->obu.padding);
@@ -960,6 +995,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
#endif
default:
return AVERROR(ENOSYS);
}
@@ -982,12 +1018,16 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
}
return 0;
#else
return AVERROR(ENOSYS);
#endif
}
static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit,
PutBitContext *pbc)
{
#if CBS_WRITE
CodedBitstreamAV1Context *priv = ctx->priv_data;
AV1RawOBU *obu = unit->content;
PutBitContext pbc_tmp;
@@ -1044,7 +1084,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
av_refstruct_unref(&priv->sequence_header_ref);
priv->sequence_header = NULL;
err = ff_cbs_make_unit_refcounted(ctx, unit);
err = CBS_FUNC(make_unit_refcounted)(ctx, unit);
if (err < 0)
goto error;
@@ -1087,6 +1127,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
td = &tile_group->tile_data;
}
break;
#if CBS_AV1_OBU_TILE_LIST
case AV1_OBU_TILE_LIST:
{
err = cbs_av1_write_tile_list_obu(ctx, pbc, &obu->obu.tile_list);
@@ -1096,6 +1137,8 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
td = &obu->obu.tile_list.tile_data;
}
break;
#endif
#if CBS_AV1_OBU_METADATA
case AV1_OBU_METADATA:
{
err = cbs_av1_write_metadata_obu(ctx, pbc, &obu->obu.metadata);
@@ -1103,6 +1146,8 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
goto error;
}
break;
#endif
#if CBS_AV1_OBU_PADDING
case AV1_OBU_PADDING:
{
err = cbs_av1_write_padding_obu(ctx, pbc, &obu->obu.padding);
@@ -1110,6 +1155,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
goto error;
}
break;
#endif
default:
err = AVERROR(ENOSYS);
goto error;
@@ -1182,11 +1228,15 @@ error:
av_buffer_unref(&av1ctx.frame_header_ref);
return err;
#else
return AVERROR(ENOSYS);
#endif
}
static int cbs_av1_assemble_fragment(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag)
{
#if CBS_WRITE
size_t size, pos;
int i;
@@ -1210,6 +1260,9 @@ static int cbs_av1_assemble_fragment(CodedBitstreamContext *ctx,
frag->data_size = size;
return 0;
#else
return AVERROR(ENOSYS);
#endif
}
static void cbs_av1_flush(CodedBitstreamContext *ctx)
@@ -1234,6 +1287,7 @@ static void cbs_av1_close(CodedBitstreamContext *ctx)
av_buffer_unref(&priv->frame_header_ref);
}
#if CBS_AV1_OBU_METADATA
static void cbs_av1_free_metadata(AVRefStructOpaque unused, void *content)
{
AV1RawOBU *obu = content;
@@ -1255,6 +1309,7 @@ static void cbs_av1_free_metadata(AVRefStructOpaque unused, void *content)
av_buffer_unref(&md->metadata.unknown.payload_ref);
}
}
#endif
static const CodedBitstreamUnitTypeDescriptor cbs_av1_unit_types[] = {
CBS_UNIT_TYPE_POD(AV1_OBU_SEQUENCE_HEADER, AV1RawOBU),
@@ -1284,13 +1339,19 @@ static const CodedBitstreamUnitTypeDescriptor cbs_av1_unit_types[] = {
offsetof(AV1RawOBU, obu.frame.tile_group.tile_data.data) }
},
},
#if CBS_AV1_OBU_TILE_LIST
CBS_UNIT_TYPE_INTERNAL_REF(AV1_OBU_TILE_LIST, AV1RawOBU,
obu.tile_list.tile_data.data),
#endif
#if CBS_AV1_OBU_PADDING
CBS_UNIT_TYPE_INTERNAL_REF(AV1_OBU_PADDING, AV1RawOBU,
obu.padding.payload),
#endif
#if CBS_AV1_OBU_METADATA
CBS_UNIT_TYPE_COMPLEX(AV1_OBU_METADATA, AV1RawOBU,
&cbs_av1_free_metadata),
#endif
CBS_UNIT_TYPE_END_OF_LIST
};
@@ -1311,7 +1372,7 @@ static const AVClass cbs_av1_class = {
.version = LIBAVUTIL_VERSION_INT,
};
const CodedBitstreamType ff_cbs_type_av1 = {
const CodedBitstreamType CBS_FUNC(type_av1) = {
.codec_id = AV_CODEC_ID_AV1,
.priv_class = &cbs_av1_class,

15
libavcodec/cbs_av1.h
View File

@@ -25,6 +25,15 @@
#include "av1.h"
#include "cbs.h"
#ifndef CBS_AV1_OBU_METADATA
#define CBS_AV1_OBU_METADATA 1
#endif
#ifndef CBS_AV1_OBU_TILE_LIST
#define CBS_AV1_OBU_TILE_LIST 1
#endif
#ifndef CBS_AV1_OBU_PADDING
#define CBS_AV1_OBU_PADDING 1
#endif
typedef struct AV1RawOBUHeader {
uint8_t obu_forbidden_bit;
@@ -411,9 +420,15 @@ typedef struct AV1RawOBU {
AV1RawFrameHeader frame_header;
AV1RawFrame frame;
AV1RawTileGroup tile_group;
#if CBS_AV1_OBU_TILE_LIST
AV1RawTileList tile_list;
#endif
#if CBS_AV1_OBU_METADATA
AV1RawMetadata metadata;
#endif
#if CBS_AV1_OBU_PADDING
AV1RawPadding padding;
#endif
} obu;
} AV1RawOBU;

6
libavcodec/cbs_av1_syntax_template.c
View File

@@ -1868,6 +1868,7 @@ static int FUNC(frame_obu)(CodedBitstreamContext *ctx, RWContext *rw,
return 0;
}
#if CBS_AV1_OBU_TILE_LIST
static int FUNC(tile_list_obu)(CodedBitstreamContext *ctx, RWContext *rw,
AV1RawTileList *current)
{
@@ -1882,7 +1883,9 @@ static int FUNC(tile_list_obu)(CodedBitstreamContext *ctx, RWContext *rw,
return 0;
}
#endif
#if CBS_AV1_OBU_METADATA
static int FUNC(metadata_hdr_cll)(CodedBitstreamContext *ctx, RWContext *rw,
AV1RawMetadataHDRCLL *current)
{
@@ -2101,7 +2104,9 @@ static int FUNC(metadata_obu)(CodedBitstreamContext *ctx, RWContext *rw,
return 0;
}
#endif
#if CBS_AV1_OBU_PADDING
static int FUNC(padding_obu)(CodedBitstreamContext *ctx, RWContext *rw,
AV1RawPadding *current)
{
@@ -2125,3 +2130,4 @@ static int FUNC(padding_obu)(CodedBitstreamContext *ctx, RWContext *rw,
return 0;
}
#endif

78
libavcodec/cbs_internal.h
View File

@@ -22,6 +22,8 @@
#include <stddef.h>
#include <stdint.h>
#include "config.h"
#include "libavutil/log.h"
#include "cbs.h"
@@ -30,6 +32,40 @@
#include "put_bits.h"
#include "libavutil/refstruct.h"
#ifndef CBS_READ
#define CBS_READ 1
#endif
#ifndef CBS_WRITE
#define CBS_WRITE 1
#endif
#ifndef CBS_TRACE
#define CBS_TRACE 1
#endif
#ifndef CBS_AV1
#define CBS_AV1 CONFIG_CBS_AV1
#endif
#ifndef CBS_H264
#define CBS_H264 CONFIG_CBS_H264
#endif
#ifndef CBS_H265
#define CBS_H265 CONFIG_CBS_H265
#endif
#ifndef CBS_H266
#define CBS_H266 CONFIG_CBS_H266
#endif
#ifndef CBS_JPEG
#define CBS_JPEG CONFIG_CBS_JPEG
#endif
#ifndef CBS_MPEG2
#define CBS_MPEG2 CONFIG_CBS_MPEG2
#endif
#ifndef CBS_VP8
#define CBS_VP8 CONFIG_CBS_VP8
#endif
#ifndef CBS_VP9
#define CBS_VP9 CONFIG_CBS_VP9
#endif
enum CBSContentType {
// Unit content may contain some references to other structures, but all
@@ -155,7 +191,7 @@ typedef struct CodedBitstreamType {
// Helper functions for trace output.
void ff_cbs_trace_header(CodedBitstreamContext *ctx,
void CBS_FUNC(trace_header)(CodedBitstreamContext *ctx,
const char *name);
@@ -165,28 +201,28 @@ void ff_cbs_trace_header(CodedBitstreamContext *ctx,
// (i.e. only limited by the amount of bits used) and they lack
// the ability to use subscripts.
int ff_cbs_read_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
int CBS_FUNC(read_unsigned)(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name,
const int *subscripts, uint32_t *write_to,
uint32_t range_min, uint32_t range_max);
int ff_cbs_read_simple_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
int CBS_FUNC(read_simple_unsigned)(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name, uint32_t *write_to);
int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
int CBS_FUNC(write_unsigned)(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name,
const int *subscripts, uint32_t value,
uint32_t range_min, uint32_t range_max);
int ff_cbs_write_simple_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
int CBS_FUNC(write_simple_unsigned)(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name, uint32_t value);
int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
int CBS_FUNC(read_signed)(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name,
const int *subscripts, int32_t *write_to,
int32_t range_min, int32_t range_max);
int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
int CBS_FUNC(write_signed)(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name,
const int *subscripts, int32_t value,
int32_t range_min, int32_t range_max);
@@ -204,6 +240,7 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
#define MIN_INT_BITS(length) (-(INT64_C(1) << ((length) - 1)))
#if CBS_TRACE
// Start of a syntax element during read tracing.
#define CBS_TRACE_READ_START() \
GetBitContext trace_start; \
@@ -284,6 +321,17 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
} \
} while (0)
#else // CBS_TRACE
#define CBS_TRACE_READ_START() do { } while (0)
#define CBS_TRACE_READ_END() do { } while (0)
#define CBS_TRACE_READ_END_NO_SUBSCRIPTS() do { } while (0)
#define CBS_TRACE_READ_END_VALUE_ONLY() do { } while (0)
#define CBS_TRACE_WRITE_START() do { } while (0)
#define CBS_TRACE_WRITE_END() do { } while (0)
#define CBS_TRACE_WRITE_END_NO_SUBSCRIPTS() do { } while (0)
#define CBS_TRACE_WRITE_END_VALUE_ONLY() do { } while (0)
#endif // CBS_TRACE
#define TYPE_LIST(...) { __VA_ARGS__ }
#define CBS_UNIT_TYPE_POD(type_, structure) { \
.nb_unit_types = 1, \
@@ -335,14 +383,14 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
#define CBS_UNIT_TYPE_END_OF_LIST { .nb_unit_types = 0 }
extern const CodedBitstreamType ff_cbs_type_av1;
extern const CodedBitstreamType ff_cbs_type_h264;
extern const CodedBitstreamType ff_cbs_type_h265;
extern const CodedBitstreamType ff_cbs_type_h266;
extern const CodedBitstreamType ff_cbs_type_jpeg;
extern const CodedBitstreamType ff_cbs_type_mpeg2;
extern const CodedBitstreamType ff_cbs_type_vp8;
extern const CodedBitstreamType ff_cbs_type_vp9;
extern const CodedBitstreamType CBS_FUNC(type_av1);
extern const CodedBitstreamType CBS_FUNC(type_h264);
extern const CodedBitstreamType CBS_FUNC(type_h265);
extern const CodedBitstreamType CBS_FUNC(type_h266);
extern const CodedBitstreamType CBS_FUNC(type_jpeg);
extern const CodedBitstreamType CBS_FUNC(type_mpeg2);
extern const CodedBitstreamType CBS_FUNC(type_vp8);
extern const CodedBitstreamType CBS_FUNC(type_vp9);
#endif /* AVCODEC_CBS_INTERNAL_H */