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avcodec/cbs_mpeg2: use existing buffer reference when splitting fragments

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Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2018-04-25 19:35:46 -03:00
parent dff1fb27aa
commit 05c0f620bf
1 changed files with 3 additions and 9 deletions
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12
libavcodec/cbs_mpeg2.c
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@ -146,18 +146,12 @@ static int cbs_mpeg2_split_fragment(CodedBitstreamContext *ctx,
unit_size = (end - 4) - (start - 1);
}
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);
unit_data = (uint8_t *)start - 1;
err = ff_cbs_insert_unit_data(ctx, frag, i, unit_type,
unit_data, unit_size, NULL);
if (err < 0) {
av_freep(&unit_data);
unit_data, unit_size, frag->data_ref);
if (err < 0)
return err;
}
if (end == frag->data + frag->data_size)
break;