[SCM] libav/experimental: mlpdec: Simplify check for substream_parity_present.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit ab79fa44f17533af6adc38d789775230d53d7ab8
Author: Ramiro Polla <ramiro.polla at gmail.com>
Date:   Mon Mar 30 03:46:52 2009 +0000

    mlpdec: Simplify check for substream_parity_present.
    
    Originally committed as revision 18240 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index ef3071e..6d148b4 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -1032,10 +1032,12 @@ static int read_access_unit(AVCodecContext *avctx, void* data, int *data_size,
             if (substr == m->max_decoded_substream)
                 av_log(m->avctx, AV_LOG_INFO, "End of stream indicated.\n");
         }
-        if (substream_data_len[substr] * 8 - get_bits_count(&gb) >= 16 &&
-            substream_parity_present[substr]) {
+        if (substream_parity_present[substr]) {
             uint8_t parity, checksum;
 
+            if (substream_data_len[substr] * 8 - get_bits_count(&gb) != 16)
+                goto substream_length_mismatch;
+
             parity   = ff_mlp_calculate_parity(buf, substream_data_len[substr] - 2);
             checksum = ff_mlp_checksum8       (buf, substream_data_len[substr] - 2);
 

-- 
Libav/FFmpeg packaging