[FFmpeg-devel] [PATCH v1 03/11] avcodec: enable cbs for H266/VVC

[thomas.ff@spin-digital.com]

From: Thomas Siedel <thomas.ff@spin-digital.com>

Add ff_cbs_type_h266 to cbs types tables and AV_CODEC_ID_H266 to cbs codec ids.
Change CBS_MAX_UNIT_TYPES to 8 as VVC implements 8 different slice types

Signed-off-by: Thomas Siedel <thomas.ff@spin-digital.com>
---
 libavcodec/Makefile       | 1 +
 libavcodec/cbs.c          | 6 ++++++
 libavcodec/cbs_internal.h | 3 ++-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index c7dc5da0f9..b3fcf173e9 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -76,6 +76,7 @@ OBJS-$(CONFIG_CBS)                     += cbs.o cbs_bsf.o
 OBJS-$(CONFIG_CBS_AV1)                 += cbs_av1.o
 OBJS-$(CONFIG_CBS_H264)                += cbs_h2645.o cbs_sei.o h2645_parse.o
 OBJS-$(CONFIG_CBS_H265)                += cbs_h2645.o cbs_sei.o h2645_parse.o
+OBJS-$(CONFIG_CBS_H266)                += cbs_h2645.o cbs_sei.o h2645_parse.o
 OBJS-$(CONFIG_CBS_JPEG)                += cbs_jpeg.o
 OBJS-$(CONFIG_CBS_MPEG2)               += cbs_mpeg2.o
 OBJS-$(CONFIG_CBS_VP9)                 += cbs_vp9.o
diff --git a/libavcodec/cbs.c b/libavcodec/cbs.c
index 8d6e3c3442..f01726aa37 100644
--- a/libavcodec/cbs.c
+++ b/libavcodec/cbs.c
@@ -40,6 +40,9 @@ static const CodedBitstreamType *const cbs_type_table[] = {
 #if CONFIG_CBS_H265
     &ff_cbs_type_h265,
 #endif
+#if CONFIG_CBS_H266
+    &ff_cbs_type_h266,
+#endif
 #if CONFIG_CBS_JPEG
     &ff_cbs_type_jpeg,
 #endif
@@ -61,6 +64,9 @@ const enum AVCodecID ff_cbs_all_codec_ids[] = {
 #if CONFIG_CBS_H265
     AV_CODEC_ID_H265,
 #endif
+#if CONFIG_CBS_H266
+    AV_CODEC_ID_H266,
+#endif
 #if CONFIG_CBS_JPEG
     AV_CODEC_ID_MJPEG,
 #endif
diff --git a/libavcodec/cbs_internal.h b/libavcodec/cbs_internal.h
index 5ccba3c901..b741030da4 100644
--- a/libavcodec/cbs_internal.h
+++ b/libavcodec/cbs_internal.h
@@ -45,7 +45,7 @@ enum CBSContentType {
 enum {
       // Maximum number of unit types described by the same unit type
       // descriptor.
-      CBS_MAX_UNIT_TYPES  = 3,
+      CBS_MAX_UNIT_TYPES  = 8,
       // Maximum number of reference buffer offsets in any one unit.
       CBS_MAX_REF_OFFSETS = 2,
       // Special value used in a unit type descriptor to indicate that it
@@ -242,6 +242,7 @@ int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
 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_vp9;
-- 
2.25.1

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