avformat/riffde: Fix integer overflow in bitrate

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
10 years ago · 839d6bc192
parent cd32637741
commit 839d6bc192
1 changed files with 2 additions and 2 deletions
--- a/libavformat/riffdec.c
+++ b/libavformat/riffdec.c
@ -99,13 +99,13 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
        id                 = avio_rl16(pb);
        codec->channels    = avio_rl16(pb);
        codec->sample_rate = avio_rl32(pb);
-        bitrate            = avio_rl32(pb) * 8;
+        bitrate            = avio_rl32(pb) * 8LL;
        codec->block_align = avio_rl16(pb);
    } else {
        id                 = avio_rb16(pb);
        codec->channels    = avio_rb16(pb);
        codec->sample_rate = avio_rb32(pb);
-        bitrate            = avio_rb32(pb) * 8;
+        bitrate            = avio_rb32(pb) * 8LL;
        codec->block_align = avio_rb16(pb);
    }
    if (size == 14) {  /* We're dealing with plain vanilla WAVEFORMAT */