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nuv: do not use data not initialized by LZO decompression.

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This fixes visible corruption in the incomplete last frame
of the FATE sample.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2011-11-05 23:51:05 +01:00
parent 95e1dfee76
commit 266f6eefc6
2 changed files with 2 additions and 2 deletions
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2
libavcodec/nuv.c
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@ -187,7 +187,7 @@ retry:
if (av_lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen)) if (av_lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen))
av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n"); av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
buf = c->decomp_buf; buf = c->decomp_buf;
buf_size = c->decomp_size - AV_LZO_OUTPUT_PADDING; buf_size = c->decomp_size - AV_LZO_OUTPUT_PADDING - outlen;
} }
if (c->codec_frameheader) { if (c->codec_frameheader) {
int w, h, q, res; int w, h, q, res;

2
tests/ref/fate/nuv
View File

@ -25,6 +25,6 @@
1, 29257, 4096, 0xd95a9277 1, 29257, 4096, 0xd95a9277
0, 30030, 460800, 0x4b7f4df0 0, 30030, 460800, 0x4b7f4df0
1, 31347, 4096, 0xae2bef2c 1, 31347, 4096, 0xae2bef2c
0, 33033, 460800, 0xb30eb322 0, 33033, 460800, 0xa57f20d0
1, 33437, 4096, 0xbf031e83 1, 33437, 4096, 0xbf031e83
1, 35527, 4096, 0x4c83e2d1 1, 35527, 4096, 0x4c83e2d1