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cbs: Add buffer padding when splitting fragments

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Remove any trailing zeroes from H.26[45] NAL units at the same time.
This commit is contained in:
Mark Thompson
2017-09-12 22:11:47 +01:00
parent 44cde38c8a
commit e7f64191b2
2 changed files with 11 additions and 3 deletions
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3
libavcodec/cbs_mpeg2.c
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@@ -131,10 +131,11 @@ static int cbs_mpeg2_split_fragment(CodedBitstreamContext *ctx,
unit_size = (end - 4) - (start - 1);
}
unit_data = av_malloc(unit_size);
unit_data = av_malloc(unit_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!unit_data)
return AVERROR(ENOMEM);
memcpy(unit_data, start - 1, unit_size);
memset(unit_data + unit_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
err = ff_cbs_insert_unit_data(ctx, frag, i, unit_type,
unit_data, unit_size);