Correct calculation of compressed input length.

Originally committed as revision 19043 to svn://svn.ffmpeg.org/ffmpeg/trunk

Correct calculation of compressed input length.
Originally committed as revision 19043 to svn://svn.ffmpeg.org/ffmpeg/trunk
21bf2f51 · Reimar Döffinger · 46adcc27 · 21bf2f51
Commit 21bf2f51 authored May 31, 2009 by Reimar Döffinger
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Showing with 2 additions and 2 deletions

lcldec.c libavcodec/lcldec.c +2 -2

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--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -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 {