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cbs_mpeg2: Decompose Sequence End

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Sequence End units (or actually, sequence_end_codes) have up until now
not been decomposed; in fact due to a bug in cbs_mpeg2_split_fragment they
have mostly been treated as part of the preceding unit. So implement
decomposing them as preparation for fixing said bug.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
2019-07-29 21:56:54 +02:00
committed by Mark Thompson
parent ae49993ce6
commit 0e66e1b61e
3 changed files with 19 additions and 0 deletions
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3
libavcodec/cbs_mpeg2.c
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@@ -269,6 +269,8 @@ static int cbs_mpeg2_read_unit(CodedBitstreamContext *ctx,
extension_data, NULL);
START(MPEG2_START_GROUP, MPEG2RawGroupOfPicturesHeader,
group_of_pictures_header, NULL);
START(MPEG2_START_SEQUENCE_END, MPEG2RawSequenceEnd,
sequence_end, NULL);
#undef START
default:
return AVERROR(ENOSYS);
@@ -295,6 +297,7 @@ static int cbs_mpeg2_write_header(CodedBitstreamContext *ctx,
START(MPEG2_START_EXTENSION, MPEG2RawExtensionData, extension_data);
START(MPEG2_START_GROUP, MPEG2RawGroupOfPicturesHeader,
group_of_pictures_header);
START(MPEG2_START_SEQUENCE_END, MPEG2RawSequenceEnd, sequence_end);
#undef START
default:
av_log(ctx->log_ctx, AV_LOG_ERROR, "Write unimplemented for start "