[Android] Use length_change_monitor to wait until the demux is working

[Edward Wang]

On 12-06-20 03:19 AM, Ludovic Fauvet <etix at videolan.org> wrote:
>> +    /* Initialize pthread variables. */
>> >  +    pthread_mutex_init(&monitor->doneMutex, NULL);
>> >  +    pthread_cond_init(&monitor->doneCondVar, NULL);
>> >  +    monitor->length_changed = false;
>> >  +
>> >  +    libvlc_event_manager_t *ev = libvlc_media_player_event_manager(p_mp);
>> >  +    libvlc_event_attach(ev, libvlc_MediaPlayerLengthChanged, length_changed_callback, monitor);
>> >  +    libvlc_media_player_play( p_mp );
>> >  +
>> >  +    pthread_mutex_lock(&monitor->doneMutex);
>> >  +    while (!monitor->length_changed)
>> >  +        pthread_cond_wait(&monitor->doneCondVar,&monitor->doneMutex);
>> >  +    pthread_mutex_unlock(&monitor->doneMutex);
>> >  +
>> >  +    int i_nbTracks = libvlc_video_get_track_count(p_mp);
>> >  +    LOGI("Number of video tracks: %d",i_nbTracks);
>> >  +
>> >  +    libvlc_media_player_stop(p_mp);
>> >  +    libvlc_media_player_release(p_mp);
>> >       libvlc_media_release(p_m);
>> >
> aren't you leaking monitor here?
>
Fixed.

Thanks,
         Edward Wang