Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavformat / xmv.c

diff --git a/libavformat/xmv.c b/libavformat/xmv.c
index f01e0aa77b38abb957773d66a43426691ec9f9b6..596da5fb63afc0d0506650db509952b0169297fb 100644 (file)
--- a/libavformat/xmv.c
+++ b/libavformat/xmv.c
@@ -123,8 +123,7 @@ static int xmv_probe(AVProbeData *p)
     return 0;
 }
 
-static int xmv_read_header(AVFormatContext *s,
-                           AVFormatParameters *ap)
+static int xmv_read_header(AVFormatContext *s)
 {
     XMVDemuxContext *xmv = s->priv_data;
     AVIOContext     *pb  = s->pb;
@@ -184,6 +183,11 @@ static int xmv_read_header(AVFormatContext *s,
         packet->bits_per_sample = avio_rl16(pb);
         packet->flags           = avio_rl16(pb);
 
+        if (!packet->channels) {
+            av_log(s, AV_LOG_ERROR, "0 channels\n");
+            return AVERROR(EINVAL);
+        }
+
         packet->bit_rate      = packet->bits_per_sample *
                                 packet->sample_rate *
                                 packet->channels;