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zmbv: check decompress result

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Changing flush type from Z_FINISH is needed since encoder compresses fixed
amount of data and doesn't care about writing end of stream marker.
This commit is contained in:
Kostya Shishkov 2012-03-18 09:11:39 +01:00
parent afc2263bcc
commit bb39bd195a
1 changed files with 5 additions and 1 deletions
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6
libavcodec/zmbv.c
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@ -512,7 +512,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
c->zstream.avail_in = len;
c->zstream.next_out = c->decomp_buf;
c->zstream.avail_out = c->decomp_size;
inflate(&c->zstream, Z_FINISH);
zret = inflate(&c->zstream, Z_SYNC_FLUSH);
if (zret != Z_OK && zret != Z_STREAM_END) {
av_log(avctx, AV_LOG_ERROR, "inflate error %d\n", zret);
return AVERROR_INVALIDDATA;
}
c->decomp_len = c->zstream.total_out;
}
if (c->flags & ZMBV_KEYFRAME) {