Correct calculation of compressed input length.

Originally committed as revision 19043 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-05-31 10:01:26 +00:00
parent 46adcc27a2
commit 21bf2f51d7

View File

@ -199,7 +199,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
mthread_outlen, mszh_dlen);
return -1;
}
mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - mthread_inlen,
mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - 8 - mthread_inlen,
c->decomp_buf + mthread_outlen, c->decomp_size - mthread_outlen);
if (mthread_outlen != mszh_dlen) {
av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n",
@ -242,7 +242,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
mthread_outlen = FFMIN(mthread_outlen, c->decomp_size);
ret = zlib_decomp(avctx, encoded + 8, mthread_inlen, 0, mthread_outlen);
if (ret < 0) return ret;
ret = zlib_decomp(avctx, encoded + 8 + mthread_inlen, len - mthread_inlen,
ret = zlib_decomp(avctx, encoded + 8 + mthread_inlen, len - 8 - mthread_inlen,
mthread_outlen, mthread_outlen);
if (ret < 0) return ret;
} else {