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cbs_h264: Add support for filler NAL units

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This commit is contained in:
Mark Thompson
2018-02-11 17:33:15 +00:00
parent 7157d95926
commit eccc03c8fb
3 changed files with 56 additions and 0 deletions
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libavcodec/cbs_h264_syntax_template.c
+29
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@@ -1247,3 +1247,32 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,
return 0;
}
static int FUNC(filler)(CodedBitstreamContext *ctx, RWContext *rw,
H264RawFiller *current)
{
av_unused int ff_byte = 0xff;
int err;
HEADER("Filler Data");
CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1 << H264_NAL_FILLER_DATA));
#ifdef READ
while (bitstream_peek(rw, 8) == 0xff) {
xu(8, ff_byte, ff_byte, 0xff, 0xff);
++current->filler_size;
}
#else
{
uint32_t i;
for (i = 0; i < current->filler_size; i++)
xu(8, ff_byte, ff_byte, 0xff, 0xff);
}
#endif
CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
return 0;
}