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avcodec/dsicinvideo: Propagate errors from cin_decode_rle()

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-04-16 22:28:23 +02:00
parent 9d5a4fcfbb
commit 942217b153
1 changed files with 12 additions and 4 deletions
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16
libavcodec/dsicinvideo.c
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@ -226,27 +226,35 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
* surface.width = surface.pitch */
switch (bitmap_frame_type) {
case 9:
cin_decode_rle(buf, bitmap_frame_size,
res = cin_decode_rle(buf, bitmap_frame_size,
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
if (res < 0)
return res;
break;
case 34:
cin_decode_rle(buf, bitmap_frame_size,
res = cin_decode_rle(buf, bitmap_frame_size,
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
if (res < 0)
return res;
cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
break;
case 35:
bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
cin->bitmap_table[CIN_INT_BMP], cin->bitmap_size);
cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
res = cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
if (res < 0)
return res;
break;
case 36:
bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
cin->bitmap_table[CIN_INT_BMP],
cin->bitmap_size);
cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
res = cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
if (res < 0)
return res;
cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
break;