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avcodec/cbs_h2645: create a reference to the existing buffer when decomposing slice units 

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2018-04-27 20:44:39 -03:00
parent 65d36473c9
commit 0807a77160
1 changed files with 4 additions and 14 deletions
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18
libavcodec/cbs_h2645.c
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@ -776,15 +776,10 @@ static int cbs_h264_read_nal_unit(CodedBitstreamContext *ctx,
}
slice->data_size = len - pos / 8;
slice->data_ref = av_buffer_alloc(slice->data_size +
AV_INPUT_BUFFER_PADDING_SIZE);
slice->data_ref = av_buffer_ref(unit->data_ref);
if (!slice->data_ref)
return AVERROR(ENOMEM);
slice->data = slice->data_ref->data;
memcpy(slice->data,
unit->data + pos / 8, slice->data_size);
memset(slice->data + slice->data_size, 0,
AV_INPUT_BUFFER_PADDING_SIZE);
slice->data = unit->data + pos / 8;
slice->data_bit_start = pos % 8;
}
break;
@ -946,15 +941,10 @@ static int cbs_h265_read_nal_unit(CodedBitstreamContext *ctx,
}
slice->data_size = len - pos / 8;
slice->data_ref = av_buffer_alloc(slice->data_size +
AV_INPUT_BUFFER_PADDING_SIZE);
slice->data_ref = av_buffer_ref(unit->data_ref);
if (!slice->data_ref)
return AVERROR(ENOMEM);
slice->data = slice->data_ref->data;
memcpy(slice->data,
unit->data + pos / 8, slice->data_size);
memset(slice->data + slice->data_size, 0,
AV_INPUT_BUFFER_PADDING_SIZE);
slice->data = unit->data + pos / 8;
slice->data_bit_start = pos % 8;
}
break;