Add support for default of multiple video tracks.

Some container formats like matroska support multiple video tracks, one
of which may be flagged the 'default' one which thus should be played by
default.

Works with the lavf demuxer.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36778 b3059339-0415-0410-9bf9-f77b7e298cf2

libmpdemux/demux_lavf.c

@@ -403,6 +403,8 @@ static void handle_stream(demuxer_t *demuxer, AVFormatContext *avfc, int i) {
             sh_video->i_bps=codec->bit_rate/8;
             if (title && title->value)
                 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VID_%d_NAME=%s\n", priv->video_streams, title->value);
+            if (st->disposition & AV_DISPOSITION_DEFAULT)
+                sh_video->default_track = 1;
             if (rot && rot->value)
                 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VID_%d_ROTATE=%s\n", priv->video_streams, rot->value);
             mp_msg(MSGT_DEMUX,MSGL_DBG2,"aspect= %d*%d/(%d*%d)\n",

libmpdemux/demuxer.c

@@ -1916,6 +1916,22 @@ int demuxer_default_audio_track(demuxer_t *d)
     return -1;
 }
 
+int demuxer_default_video_track(demuxer_t *d)
+{
+    int i;
+    for (i = 0; i < MAX_V_STREAMS; ++i) {
+        sh_video_t *sh = d->v_streams[i];
+        if (sh && sh->default_track)
+            return sh->vid;
+    }
+    for (i = 0; i < MAX_V_STREAMS; ++i) {
+        sh_video_t *sh = d->v_streams[i];
+        if (sh)
+            return sh->vid;
+    }
+    return -1;
+}
+
 int demuxer_default_sub_track(demuxer_t *d)
 {
     int i;

libmpdemux/demuxer.h

@@ -486,6 +486,7 @@ int demuxer_sub_track_by_lang(demuxer_t* demuxer, char* lang);
 // for subtitles, it is the first track with default attribute
 // for audio, additionally, the first track is selected if no track has default attribute set
 int demuxer_default_audio_track(demuxer_t* d);
+int demuxer_default_video_track(demuxer_t* d);
 int demuxer_default_sub_track(demuxer_t* d);
 
 #endif /* MPLAYER_DEMUXER_H */

mencoder.c

@@ -709,10 +709,10 @@ if(stream->type==STREAMTYPE_DVDNAV){
     demux_program_t prog = { .progid = ts_prog };
     if (demux_control(demuxer, DEMUXER_CTRL_IDENTIFY_PROGRAM, &prog) != DEMUXER_CTRL_NOTIMPL) {
       audio_id = prog.aid; // switching is handled by select_audio below
-      video_id = prog.vid;
-      demuxer_switch_video(demuxer, video_id);
+      video_id = prog.vid; // switching is handled by select_video below
     }
   }
+  select_video(demuxer, video_id);
   select_audio(demuxer, audio_id, audio_lang);
 
   if (dvdsub_id == -1 && dvdsub_lang)

mpcommon.c

@@ -416,6 +416,16 @@ int select_audio(demuxer_t* demuxer, int audio_id, char* audio_lang)
     return demuxer->audio->id;
 }
 
+int select_video(demuxer_t* demuxer, int video_id)
+{
+    if (video_id == -1)
+        video_id = demuxer_default_video_track(demuxer);
+    if (video_id != -1) // -1 (automatic) is the default behaviour of demuxers
+        demuxer_switch_video(demuxer, video_id);
+
+    return demuxer->video->id;
+}
+
 /* Parse -noconfig common to both programs */
 int disable_system_conf=0;
 int disable_user_conf=0;

mpcommon.h

@@ -75,6 +75,7 @@ void init_vo_spudec(struct stream *stream, struct sh_video *sh_video, struct sh_
 void update_subtitles(struct sh_video *sh_video, double refpts, demux_stream_t *d_dvdsub, int reset);
 void update_teletext(struct sh_video *sh_video, demuxer_t *demuxer, int reset);
 int select_audio(demuxer_t* demuxer, int audio_id, char* audio_lang);
+int select_video(demuxer_t* demuxer, int video_id);
 void set_osd_subtitle(subtitle *subs);
 
 int cfg_inc_verbose(m_option_t *conf);

mplayer.c

@@ -3458,6 +3458,10 @@ int main(int argc, char *argv[])
         int tmp = ts_prog;
         mp_property_do("switch_program", M_PROPERTY_SET, &tmp, mpctx);
     }
+
+    // select video stream
+    select_video(mpctx->demuxer, video_id);
+
     // select audio stream
     select_audio(mpctx->demuxer, audio_id, audio_lang);