diff options
Diffstat (limited to 'libhb/muxmp4.c')
| -rw-r--r-- | libhb/muxmp4.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/libhb/muxmp4.c b/libhb/muxmp4.c index 638bc7e9f..db0c9b716 100644 --- a/libhb/muxmp4.c +++ b/libhb/muxmp4.c @@ -148,10 +148,16 @@ static int MP4Init( hb_mux_object_t * m ) /* Flags for enabling/disabling tracks in an MP4. */ typedef enum { TRACK_DISABLED = 0x0, TRACK_ENABLED = 0x1, TRACK_IN_MOVIE = 0x2, TRACK_IN_PREVIEW = 0x4, TRACK_IN_POSTER = 0x8} track_header_flags; - /* Need the sample rate of the first audio track to use as the timescale. */ - audio = hb_list_item(title->list_audio, 0); - m->samplerate = audio->config.out.samplerate; - audio = NULL; + if( (audio = hb_list_item(title->list_audio, 0)) != NULL ) + { + /* Need the sample rate of the first audio track to use as the timescale. */ + m->samplerate = audio->config.out.samplerate; + audio = NULL; + } + else + { + m->samplerate = 90000; + } /* Create an empty mp4 file */ if (job->largeFileSize) |