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Merge commit 'aa0dd52434768da64f1f3d8ae92bcf980c1adffc'

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* commit 'aa0dd52434768da64f1f3d8ae92bcf980c1adffc':
  xxan: Disallow odd width

See: 77693c541a
See: 8ad9b48c9b
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-30 01:27:24 +02:00
commit 1ad36551ec
1 changed files with 7 additions and 6 deletions
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13
libavcodec/xxan.c
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@ -52,6 +52,10 @@ static av_cold int xan_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Invalid frame height: %d.\n", avctx->height);
return AVERROR(EINVAL);
}
if (avctx->width & 1) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame width: %d.\n", avctx->width);
return AVERROR(EINVAL);
}
s->buffer_size = avctx->width * avctx->height;
s->y_buffer = av_malloc(s->buffer_size);
@ -300,8 +304,7 @@ static int xan_decode_frame_type0(AVCodecContext *avctx)
ybuf[j+1] = cur << 1;
last = cur;
}
if(j < avctx->width)
ybuf[j] = last << 1;
ybuf[j] = last << 1;
prev_buf = ybuf;
ybuf += avctx->width;
@ -314,8 +317,7 @@ static int xan_decode_frame_type0(AVCodecContext *avctx)
ybuf[j+1] = cur << 1;
last = cur;
}
if(j < avctx->width)
ybuf[j] = last << 1;
ybuf[j] = last << 1;
prev_buf = ybuf;
ybuf += avctx->width;
}
@ -375,8 +377,7 @@ static int xan_decode_frame_type1(AVCodecContext *avctx)
ybuf[j+1] = cur;
last = cur;
}
if(j < avctx->width)
ybuf[j] = last;
ybuf[j] = last;
ybuf += avctx->width;
}