diff options
Diffstat (limited to 'libmpdemux/demux_avi.c')
-rw-r--r-- | libmpdemux/demux_avi.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libmpdemux/demux_avi.c b/libmpdemux/demux_avi.c index d6053e878b..50872fafe7 100644 --- a/libmpdemux/demux_avi.c +++ b/libmpdemux/demux_avi.c @@ -775,9 +775,13 @@ static int demux_avi_control(demuxer_t *demuxer,int cmd, void *arg){ if (*(int *)arg >= 0) ds->id = *(int *)arg; else { + int id = ds->id; do { - if (++ds->id >= maxid) ds->id = 0; - } while (!streams[ds->id]); + if (++id >= maxid) id = 0; + if (id == ds->id) // no streams available + return DEMUXER_CTRL_NOTIMPL; + } while (!streams[id]); + ds->id = id; } chunkid = (ds->id / 10 + '0') | (ds->id % 10 + '0') << 8; |