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From: James Almer <jamrial@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Date: Fri, 21 Mar 2025 16:42:36 -0300
Message-ID: <20250321194237.20559-1-jamrial@gmail.com>
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Subject: [FFmpeg-devel] [PATCH 2/3] avcodec/cbs: allow fine tunning
selection of features
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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>
---
libavcodec/cbs.c | 100 ++++++++++++++++++++++-----
libavcodec/cbs_av1.c | 64 ++++++++++++++++-
libavcodec/cbs_av1.h | 15 ++++
libavcodec/cbs_av1_syntax_template.c | 6 ++
libavcodec/cbs_internal.h | 48 +++++++++++++
5 files changed, 212 insertions(+), 21 deletions(-)
diff --git a/libavcodec/cbs.c b/libavcodec/cbs.c
index 01dd916d81..94bf174700 100644
--- a/libavcodec/cbs.c
+++ b/libavcodec/cbs.c
@@ -18,8 +18,6 @@
#include <string.h>
-#include "config.h"
-
#include "libavutil/avassert.h"
#include "libavutil/buffer.h"
#include "libavutil/common.h"
@@ -33,55 +31,55 @@
static const CodedBitstreamType *const cbs_type_table[] = {
-#if CONFIG_CBS_AV1
+#if CBS_AV1
&ff_cbs_type_av1,
#endif
-#if CONFIG_CBS_H264
+#if CBS_H264
&ff_cbs_type_h264,
#endif
-#if CONFIG_CBS_H265
+#if CBS_H265
&ff_cbs_type_h265,
#endif
-#if CONFIG_CBS_H266
+#if CBS_H266
&ff_cbs_type_h266,
#endif
-#if CONFIG_CBS_JPEG
+#if CBS_JPEG
&ff_cbs_type_jpeg,
#endif
-#if CONFIG_CBS_MPEG2
+#if CBS_MPEG2
&ff_cbs_type_mpeg2,
#endif
-#if CONFIG_CBS_VP8
+#if CBS_VP8
&ff_cbs_type_vp8,
#endif
-#if CONFIG_CBS_VP9
+#if CBS_VP9
&ff_cbs_type_vp9,
#endif
};
const enum AVCodecID ff_cbs_all_codec_ids[] = {
-#if CONFIG_CBS_AV1
+#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
@@ -234,6 +232,7 @@ static int cbs_read_fragment_content(CodedBitstreamContext *ctx,
return 0;
}
+#if CBS_READ
static int cbs_fill_fragment_data(CodedBitstreamFragment *frag,
const uint8_t *data, size_t size)
{
@@ -282,37 +281,51 @@ static int cbs_read_data(CodedBitstreamContext *ctx,
return cbs_read_fragment_content(ctx, frag);
}
+#endif
int ff_cbs_read_extradata(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVCodecParameters *par)
{
+#if CBS_READ
return cbs_read_data(ctx, frag, NULL,
par->extradata,
par->extradata_size, 1);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_read_extradata_from_codec(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVCodecContext *avctx)
{
+#if CBS_READ
return cbs_read_data(ctx, frag, NULL,
avctx->extradata,
avctx->extradata_size, 1);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_read_packet(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt)
{
+#if CBS_READ
return cbs_read_data(ctx, frag, pkt->buf,
pkt->data, pkt->size, 0);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const AVPacket *pkt)
{
+#if CBS_READ
size_t side_data_size;
const uint8_t *side_data =
av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
@@ -320,16 +333,24 @@ int ff_cbs_read_packet_side_data(CodedBitstreamContext *ctx,
return cbs_read_data(ctx, frag, NULL,
side_data, side_data_size, 1);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_read(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const uint8_t *data, size_t size)
{
+#if CBS_READ
return cbs_read_data(ctx, frag, NULL,
data, size, 0);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
+#if CBS_WRITE
/**
* Allocate a new internal data buffer of the given size in the unit.
*
@@ -405,10 +426,12 @@ static int cbs_write_unit_data(CodedBitstreamContext *ctx,
return 0;
}
+#endif
int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag)
{
+#if CBS_WRITE
int err, i;
for (i = 0; i < frag->nb_units; i++) {
@@ -440,12 +463,16 @@ int ff_cbs_write_fragment_data(CodedBitstreamContext *ctx,
av_assert0(frag->data && frag->data_ref);
return 0;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
AVCodecParameters *par,
CodedBitstreamFragment *frag)
{
+#if CBS_WRITE
int err;
err = ff_cbs_write_fragment_data(ctx, frag);
@@ -469,12 +496,16 @@ int ff_cbs_write_extradata(CodedBitstreamContext *ctx,
par->extradata_size = frag->data_size;
return 0;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_write_packet(CodedBitstreamContext *ctx,
AVPacket *pkt,
CodedBitstreamFragment *frag)
{
+#if CBS_WRITE
AVBufferRef *buf;
int err;
@@ -493,16 +524,21 @@ int ff_cbs_write_packet(CodedBitstreamContext *ctx,
pkt->size = frag->data_size;
return 0;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
void ff_cbs_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,
@@ -510,6 +546,7 @@ void ff_cbs_trace_read_log(void *trace_context,
const char *str, const int *subscripts,
int64_t value)
{
+#if CBS_TRACE
CodedBitstreamContext *ctx = trace_context;
char name[256];
char bits[256];
@@ -561,6 +598,7 @@ 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,
@@ -568,6 +606,7 @@ void ff_cbs_trace_write_log(void *trace_context,
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,
@@ -591,6 +630,7 @@ 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);
+#endif
}
static av_always_inline int cbs_read_unsigned(CodedBitstreamContext *ctx,
@@ -633,15 +673,23 @@ int ff_cbs_read_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
const int *subscripts, uint32_t *write_to,
uint32_t range_min, uint32_t range_max)
{
+#if CBS_READ
return cbs_read_unsigned(ctx, gbc, width, name, subscripts,
write_to, range_min, range_max);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_read_simple_unsigned(CodedBitstreamContext *ctx, GetBitContext *gbc,
int width, const char *name, uint32_t *write_to)
{
+#if CBS_READ
return cbs_read_unsigned(ctx, gbc, width, name, NULL,
write_to, 0, UINT32_MAX);
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
@@ -649,6 +697,7 @@ int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
const int *subscripts, uint32_t value,
uint32_t range_min, uint32_t range_max)
{
+#if CBS_WRITE
CBS_TRACE_WRITE_START();
av_assert0(width > 0 && width <= 32);
@@ -671,13 +720,20 @@ int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
CBS_TRACE_WRITE_END();
return 0;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_write_simple_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
int width, const char *name, uint32_t value)
{
+#if CBS_WRITE
return ff_cbs_write_unsigned(ctx, pbc, width, name, NULL,
value, 0, MAX_UINT_BITS(width));
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
@@ -685,6 +741,7 @@ int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
const int *subscripts, int32_t *write_to,
int32_t range_min, int32_t range_max)
{
+#if CBS_READ
int32_t value;
CBS_TRACE_READ_START();
@@ -710,6 +767,9 @@ int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
*write_to = value;
return 0;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
@@ -717,6 +777,7 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
const int *subscripts, int32_t value,
int32_t range_min, int32_t range_max)
{
+#if CBS_WRITE
CBS_TRACE_WRITE_START();
av_assert0(width > 0 && width <= 32);
@@ -739,6 +800,9 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
CBS_TRACE_WRITE_END();
return 0;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
diff --git a/libavcodec/cbs_av1.c b/libavcodec/cbs_av1.c
index d7862a2e48..e0a4eba20f 100644
--- a/libavcodec/cbs_av1.c
+++ b/libavcodec/cbs_av1.c
@@ -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)
@@ -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)
@@ -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;
@@ -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)
@@ -584,8 +605,9 @@ 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
@@ -668,12 +690,13 @@ 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;
@@ -777,6 +800,9 @@ success:
fail:
ctx->trace_enable = trace;
return err;
+#else
+ return AVERROR(ENOSYS);
+#endif
}
static int cbs_av1_ref_tile_data(CodedBitstreamContext *ctx,
@@ -809,6 +835,7 @@ static int cbs_av1_ref_tile_data(CodedBitstreamContext *ctx,
static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
CodedBitstreamUnit *unit)
{
+#if CBS_READ
CodedBitstreamAV1Context *priv = ctx->priv_data;
AV1RawOBU *obu;
GetBitContext gbc;
@@ -931,6 +958,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
+#if CBS_OBU_TILE_LIST
case AV1_OBU_TILE_LIST:
{
err = cbs_av1_read_tile_list_obu(ctx, &gbc,
@@ -946,6 +974,8 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
+#endif
+#if CBS_OBU_METADATA
case AV1_OBU_METADATA:
{
err = cbs_av1_read_metadata_obu(ctx, &gbc, &obu->obu.metadata);
@@ -953,6 +983,8 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
+#endif
+#if CBS_OBU_PADDING
case AV1_OBU_PADDING:
{
err = cbs_av1_read_padding_obu(ctx, &gbc, &obu->obu.padding);
@@ -960,6 +992,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
return err;
}
break;
+#endif
default:
return AVERROR(ENOSYS);
}
@@ -982,12 +1015,16 @@ 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;
@@ -1087,6 +1124,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
td = &tile_group->tile_data;
}
break;
+#if CBS_OBU_TILE_LIST
case AV1_OBU_TILE_LIST:
{
err = cbs_av1_write_tile_list_obu(ctx, pbc, &obu->obu.tile_list);
@@ -1096,6 +1134,8 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
td = &obu->obu.tile_list.tile_data;
}
break;
+#endif
+#if CBS_OBU_METADATA
case AV1_OBU_METADATA:
{
err = cbs_av1_write_metadata_obu(ctx, pbc, &obu->obu.metadata);
@@ -1103,6 +1143,8 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
goto error;
}
break;
+#endif
+#if CBS_OBU_PADDING
case AV1_OBU_PADDING:
{
err = cbs_av1_write_padding_obu(ctx, pbc, &obu->obu.padding);
@@ -1110,6 +1152,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
goto error;
}
break;
+#endif
default:
err = AVERROR(ENOSYS);
goto error;
@@ -1182,11 +1225,15 @@ 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 +1257,9 @@ 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 +1284,7 @@ static void cbs_av1_close(CodedBitstreamContext *ctx)
av_buffer_unref(&priv->frame_header_ref);
}
+#if CBS_OBU_METADATA
static void cbs_av1_free_metadata(AVRefStructOpaque unused, void *content)
{
AV1RawOBU *obu = content;
@@ -1255,6 +1306,7 @@ 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 +1336,19 @@ static const CodedBitstreamUnitTypeDescriptor cbs_av1_unit_types[] = {
offsetof(AV1RawOBU, obu.frame.tile_group.tile_data.data) }
},
},
+#if CBS_OBU_TILE_LIST
CBS_UNIT_TYPE_INTERNAL_REF(AV1_OBU_TILE_LIST, AV1RawOBU,
obu.tile_list.tile_data.data),
+#endif
+#if CBS_OBU_PADDING
CBS_UNIT_TYPE_INTERNAL_REF(AV1_OBU_PADDING, AV1RawOBU,
obu.padding.payload),
+#endif
+#if CBS_OBU_METADATA
CBS_UNIT_TYPE_COMPLEX(AV1_OBU_METADATA, AV1RawOBU,
&cbs_av1_free_metadata),
+#endif
CBS_UNIT_TYPE_END_OF_LIST
};
diff --git a/libavcodec/cbs_av1.h b/libavcodec/cbs_av1.h
index 62c7720142..0c73e12c84 100644
--- a/libavcodec/cbs_av1.h
+++ b/libavcodec/cbs_av1.h
@@ -25,6 +25,15 @@
#include "av1.h"
#include "cbs.h"
+#ifndef CBS_OBU_METADATA
+#define CBS_OBU_METADATA 1
+#endif
+#ifndef CBS_OBU_TILE_LIST
+#define CBS_OBU_TILE_LIST 1
+#endif
+#ifndef CBS_OBU_PADDING
+#define CBS_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_OBU_TILE_LIST
AV1RawTileList tile_list;
+#endif
+#if CBS_OBU_METADATA
AV1RawMetadata metadata;
+#endif
+#if CBS_OBU_PADDING
AV1RawPadding padding;
+#endif
} obu;
} AV1RawOBU;
diff --git a/libavcodec/cbs_av1_syntax_template.c b/libavcodec/cbs_av1_syntax_template.c
index 62a83945ec..b594bfd22b 100644
--- a/libavcodec/cbs_av1_syntax_template.c
+++ b/libavcodec/cbs_av1_syntax_template.c
@@ -1868,6 +1868,7 @@ static int FUNC(frame_obu)(CodedBitstreamContext *ctx, RWContext *rw,
return 0;
}
+#if CBS_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_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_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
diff --git a/libavcodec/cbs_internal.h b/libavcodec/cbs_internal.h
index 80cad2b162..f15ba1ab90 100644
--- a/libavcodec/cbs_internal.h
+++ b/libavcodec/cbs_internal.h
@@ -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
@@ -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, \
--
2.48.1
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