コード例 #1
0
ファイル: tasks.cpp プロジェクト: GuacoIV/VisEQ
// Loads track if metadata exists, otherwise load the metadata
static void load_track_or_metadata(sp_session *session, sp_track *track, const char *uri) {
	if (track != NULL) {
		if (s_is_playing)
			sp_session_player_play(session, false);
		sp_session_player_unload(session);
		sp_track_release(track);
	}
	track = sp_link_as_track(sp_link_create_from_string(uri));
	set_track(track);
	sp_track_add_ref(track);
	s_player_position = 0;
	s_current_uri = uri;

	// either the track is already cached and can be used or we need to wait for the metadata callback
	if (sp_track_is_loaded(track)) {
		load_and_play_track(session, track);
	}
	else
		s_is_waiting_for_metadata = true;
}
コード例 #2
0
ファイル: spotify.c プロジェクト: theodoor/spop
/*********************
 * Tracks management *
 *********************/
GArray* tracks_get_playlist(sp_playlist* pl) {
    GArray* tracks;
    sp_track* tr;
    int i, n;

    if (!sp_playlist_is_loaded(pl))
        return NULL;

    n = sp_playlist_num_tracks(pl);
    tracks = g_array_sized_new(FALSE, FALSE, sizeof(sp_track*), n);
    if (!tracks)
        g_error("Can't allocate array of %d tracks.", n);

    for (i=0; i < n; i++) {
        tr = sp_playlist_track(pl, i);
        sp_track_add_ref(tr);
        g_array_append_val(tracks, tr);
    }

    return tracks;
}
コード例 #3
0
ファイル: queue.c プロジェクト: pes0/spop
void queue_add_track(gboolean notif, sp_track* track) {
    sp_track_add_ref(track);
    if (!sp_track_is_loaded(track)) {
        sp_track_release(track);
        g_debug("Track not loaded.");
        return;
    }

    if (!track_available(track)) {
        sp_track_release(track);
        g_debug("Track is not available.");
        return;
    }

    g_debug("Adding track %p to queue.", track);

    g_queue_push_tail(&g_queue, track);
    if (g_shuffle) queue_setup_shuffle();
    g_shuffle_first = g_current_track;

    if (notif) queue_notify();
}
コード例 #4
0
ファイル: queue.c プロジェクト: pes0/spop
/************************
 *** Queue management ***
 ************************/
void queue_set_track(gboolean notif, sp_track* track) {
    sp_track_add_ref(track);
    if (!sp_track_is_loaded(track)) {
        sp_track_release(track);
        g_debug("Track not loaded.");
        return;
    }

    if (!track_available(track)) {
        sp_track_release(track);
        g_debug("Track is not available.");
        return;
    }

    g_debug("Setting track %p as queue.", track);

    queue_clear(FALSE);
    g_queue_push_tail(&g_queue, track);
    if (g_shuffle) queue_setup_shuffle();
    g_shuffle_first = -1;

    if (notif) queue_notify();
}
コード例 #5
0
static gboolean
rbspotifysrc_start (GstBaseSrc *bsrc)
{
	RBSpotifySrc *src = RBSPOTIFYSRC (bsrc);
//	sp_error err;
	sp_link* link;
	audio_fifo_t *af = &g_audio_fifo;	
//	sp_track* track;
//	int timeout;
	
	fprintf(stderr, "Playing %s\n", src->uri);

	link = sp_link_create_from_string(src->uri);
	if (!link)
	{
		fprintf(stderr, "Couldn't open file");
		return FALSE;
	}
	src->track = sp_link_as_track(link);
	if (!src->track)
	{
		fprintf(stderr, "Couldn't turn link to track %s", src->uri);
		return FALSE;
	}

	sp_track_add_ref(src->track);
	sp_link_release(link);

	src->tloaded = FALSE;
	src->played = 0;

	src->curoffset = 0;

	audio_fifo_flush(af);

	return TRUE;
}
コード例 #6
0
ファイル: spotify.c プロジェクト: theodoor/spop
void track_get_data(sp_track* track, gchar** name, gchar** artist, gchar** album, gchar** link,
                    guint* duration, int* popularity) {
    sp_artist** art = NULL;
    sp_album* alb = NULL;
    sp_link* lnk;
    int i;
    int nb_art = 0;
    const char* s;

    sp_track_add_ref(track);
    if (!sp_track_is_loaded(track)) {
        sp_track_release(track);
       return;
    }

    /* Begin loading everything */
    if (name) {
        *name = g_strdup(sp_track_name(track));
    }
    if (artist) {
        nb_art = sp_track_num_artists(track);
        art = (sp_artist**) malloc(nb_art * sizeof(sp_artist*));
        if (!art)
            g_error("Can't allocate memory.");

        for (i=0; i < nb_art; i++) {
            art[i] = sp_track_artist(track, i);
            sp_artist_add_ref(art[i]);
        }
    }
    if (album) {
        alb = sp_track_album(track);
        sp_album_add_ref(alb);
    }
    if (link) {
        GString* tmp;
        lnk = sp_link_create_from_track(track, 0);
        if (!lnk)
            g_error("Can't get URI from track.");

        tmp = g_string_sized_new(1024);
        if (sp_link_as_string(lnk, tmp->str, 1024) < 0)
            g_error("Can't render URI from link.");
        *link = tmp->str;
        g_string_free(tmp, FALSE);

        sp_link_release(lnk);
    }
    if (duration) {
        *duration = sp_track_duration(track);
    }
    if (popularity) {
        *popularity = sp_track_popularity(track);
    }

    /* Now create destination strings */
    if (artist) {
        GString* tmp = g_string_new("");
        for (i=0; i < nb_art; i++) {
            if (sp_artist_is_loaded(art[i]))
                s = sp_artist_name(art[i]);
            else
                s = "[artist not loaded]";

            if (i != 0)
                g_string_append(tmp, ", ");
            g_string_append(tmp, s);
            sp_artist_release(art[i]);
        }
        *artist = tmp->str;
        g_string_free(tmp, FALSE);
    }
    if (album) {
        if (sp_album_is_loaded(alb))
            *album = g_strdup(sp_album_name(alb));
        else
            *album = g_strdup("[album not loaded]");
        sp_album_release(alb);
    }

    sp_track_release(track);
}
コード例 #7
0
ファイル: Track.cpp プロジェクト: rglszl/libspotify-plusplus
	bool Track::Load( sp_track* track )
	{
		m_pTrack = track;
		sp_track_add_ref( m_pTrack );
		return true;
	}
コード例 #8
0
ファイル: track.cpp プロジェクト: paucm/spotfm
void Track::setSpotifyTrack(sp_track *spTrack)
{
    m_spTrack = spTrack;
    sp_track_add_ref(m_spTrack);
}
コード例 #9
0
ファイル: JahSpotify.c プロジェクト: thomasf/jahspotify
jobject createJAlbumInstance(JNIEnv *env, sp_album *album)
{
    jclass albumJClass;
    jobject albumInstance;

    albumJClass = (*env)->FindClass(env, "jahspotify/media/Album");
    if (albumJClass == NULL)
    {
        fprintf(stderr,"jahspotify::createJAlbumInstance: could not load jahnotify.media.Album\n");
        return NULL;
    }

    albumInstance = (*env)->AllocObject(env,albumJClass);
    if (!albumInstance)
    {
        fprintf(stderr,"jahspotify::createJAlbumInstance: could not create instance of jahspotify.media.Album\n");
        return NULL;
    }

    sp_albumbrowse *albumBrowse = sp_albumbrowse_create(g_sess,album,albumBrowseCompleteCallback,NULL);

    if (albumBrowse)
    {
      sp_albumbrowse_add_ref(albumBrowse);
      
      int count = 0;
      
      while (!sp_albumbrowse_is_loaded(albumBrowse) && count < 5)
      {
	fprintf(stderr,"jahspotify::createJAlbumInstance: waiting for album browse load to complete\n");
	sleep(1);
	count++;
      }
      
      if (count == 5)
      {
	sp_albumbrowse_release(albumBrowse);
	return NULL;
      }
  
  
      // By now it looks like the album will also be loaded 
      sp_link *albumLink = sp_link_create_from_album(album);

      if (albumLink)
      {
	  sp_link_add_ref(albumLink);

	  jobject albumJLink = createJLinkInstance(env, albumLink);
	  setObjectObjectField(env,albumInstance,"id","Ljahspotify/media/Link;",albumJLink);

	  setObjectStringField(env,albumInstance,"name",sp_album_name(album));
	  setObjectIntField(env,albumInstance,"year",sp_album_year(album));

	  sp_albumtype albumType = sp_album_type(album);

	  jclass albumTypeJClass = (*env)->FindClass(env, "jahspotify/media/AlbumType");
	  jmethodID jMethod = (*env)->GetStaticMethodID(env,albumTypeJClass,"fromOrdinal","(I)Ljahspotify/media/AlbumType;");
	  jobject albumTypeEnum = (jobjectArray)(*env)->CallStaticObjectMethod(env, albumTypeJClass, jMethod,(int)albumType);
	  setObjectObjectField(env,albumInstance,"type","Ljahspotify/media/AlbumType;",albumTypeEnum);

	  sp_link *albumCoverLink = sp_link_create_from_album_cover(album);
	  if (albumCoverLink)
	  {
	      sp_link_add_ref(albumCoverLink);

	      jobject albumCoverJLink = createJLinkInstance(env, albumCoverLink);
	      setObjectObjectField(env,albumInstance,"cover","Ljahspotify/media/Link;",albumCoverJLink);

	      sp_image *albumCoverImage = sp_image_create_from_link(g_sess,albumCoverLink);
	      if (albumCoverImage)
	      {
		sp_image_add_ref(albumCoverImage);
		sp_image_add_load_callback(albumCoverImage,imageLoadedCallback,NULL);
	      }
	      
	      sp_link_release(albumCoverLink);

	  }

	  sp_artist *artist = sp_album_artist(album);
	  if (artist)
	  {
	      sp_artist_add_ref(artist);

	      sp_link *artistLink = sp_link_create_from_artist(artist);
	      
	      if (artistLink)
	      {
		sp_link_add_ref(artistLink);
		
	        jobject artistJLink = createJLinkInstance(env,artistLink);
		
		setObjectObjectField(env,albumInstance,"artist","Ljahspotify/media/Link;",artistJLink);

		sp_link_release(artistLink);
	      }

	      sp_artist_release(artist);
	  }
	  
	  sp_link_release(albumLink);
      }
      
      int numTracks = sp_albumbrowse_num_tracks(albumBrowse);
      if (numTracks > 0)
      {
	// Add each track to the album - also pass in the disk as need be
	jmethodID addTrackJMethodID = (*env)->GetMethodID(env,albumJClass,"addTrack","(ILjahspotify/media/Link;)V");
 	int i = 0;
	for (i = 0; i < numTracks; i++)
	{
	  sp_track *track = sp_albumbrowse_track(albumBrowse,i);
	  
	  if (track)
	  {
	    sp_track_add_ref(track);
	  
	    sp_link *trackLink = sp_link_create_from_track(track,0);
	    if (trackLink)
	    {
	      sp_link_add_ref(trackLink);
	      jobject trackJLink = createJLinkInstance(env,trackLink);
	      (*env)->CallVoidMethod(env, albumInstance, addTrackJMethodID,sp_track_disc(track),trackJLink);
	      sp_link_release(trackLink);
	    }
	  }
	}
      }
      
      int numCopyrights = sp_albumbrowse_num_copyrights(albumBrowse);
      if (numCopyrights > 0)
      {
	// Add copyrights to album
	jmethodID addCopyrightMethodID = (*env)->GetMethodID(env,albumJClass,"addCopyright","(Ljava/lang/String;)V");
	int i = 0;
	for (i = 0; i < numCopyrights; i++)
	{
	  const char *copyright = sp_albumbrowse_copyright(albumBrowse,i);
	  if (copyright)
	  {
	    jstring str = (*env)->NewStringUTF(env, copyright);
	    (*env)->CallVoidMethod(env, albumInstance, addCopyrightMethodID,str);
	  }
	}
      }

      const char *review = sp_albumbrowse_review(albumBrowse);
      if (review)
      {
        setObjectStringField(env,albumInstance,"review",review);
      }
      sp_albumbrowse_release(albumBrowse);
    }
    return albumInstance;

}
コード例 #10
0
ファイル: JahSpotify.c プロジェクト: thomasf/jahspotify
JNIEXPORT int JNICALL Java_jahspotify_impl_JahSpotifyImpl_playTrack (JNIEnv *env, jobject obj, jstring uri)
{
    uint8_t *nativeURI = NULL;

    fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Initiating play\n");

    nativeURI = ( uint8_t * ) ( *env )->GetStringUTFChars ( env, uri, NULL );

    fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: uri: %s\n", nativeURI);

    if (!g_audio_initialized)
    {
        audio_init(&g_audiofifo);
        g_audio_initialized = JNI_TRUE;
    }

    // For each track, read out the info and populate all of the info in the Track instance
    sp_link *link = sp_link_create_from_string(nativeURI);
    if (link)
    {
        sp_track *t = sp_link_as_track(link);

        if (!t)
        {
            fprintf(stderr,"No track from link\n");
            return;
        }

        while (!sp_track_is_available(g_sess,t))
        {
            fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Waiting for track ...\n");
            sleep(1);
        }

        if (sp_track_error(t) != SP_ERROR_OK)
        {
            fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Error with track: %s\n",sp_error_message(sp_track_error(t)));

            return;
        }

        fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: name: %s duration: %d\n",sp_track_name(t),sp_track_duration(t));

        if (g_currenttrack == t)
        {
            fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Same track!\n");
            return;
        }

        // If there is one playing, unload that now
        if (g_currenttrack && t != g_currenttrack)
        {
            // audio_fifo_flush(&g_audiofifo);

            // Unload the current track now
            sp_session_player_unload(g_sess);

            sp_link *currentTrackLink = sp_link_create_from_track(g_currenttrack,0);
            char *currentTrackLinkStr = NULL;
            if (currentTrackLink)
            {
                currentTrackLinkStr = malloc ( sizeof ( char ) * ( 100 ) );
                sp_link_as_string(currentTrackLink,currentTrackLinkStr,100);
                sp_link_release(currentTrackLink);
            }

            signalTrackEnded(currentTrackLinkStr, JNI_TRUE);

            if (currentTrackLinkStr)
            {
                free(currentTrackLinkStr);
            }

            sp_track_release(g_currenttrack);

            g_currenttrack = NULL;

        }
        else
        {
            // audio_fifo_flush(&g_audiofifo);
            // audio_close();
            // audio_init(&g_audiofifo);
        }

        sp_track_add_ref(t);

        sp_error result = sp_session_player_load(g_sess, t);

        if (sp_track_error(t) != SP_ERROR_OK)
        {
            fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Issue loading track: %s\n", sp_error_message((sp_track_error(t))));
        }

        fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Track loaded: %s\n", (result == SP_ERROR_OK ? "yes" : "no"));

        // Update the global reference
        g_currenttrack = t;

        // Start playing the next track
        sp_session_player_play(g_sess, 1);

        fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Playing track\n");

        sp_link_release(link);

        signalTrackStarted(nativeURI);

        return 0;
    }
    else
    {
        fprintf(stderr,"jahspotify::Java_jahspotify_impl_JahSpotifyImpl_play: Unable to load link at this point\n");
    }

    return 1;

}
コード例 #11
0
ファイル: JahSpotify.c プロジェクト: thomasf/jahspotify
jobject createJPlaylist(JNIEnv *env, sp_playlist *playlist)
{
    jclass jClass;
    jobject playlistInstance;
    jmethodID jMethod;

    jClass = (*env)->FindClass(env, "jahspotify/media/Playlist");
    if (jClass == NULL)
    {
        fprintf(stderr,"jahspotify::createJPlaylist: could not load jahnotify.media.Playlist\n");
        return NULL;
    }

    playlistInstance = (*env)->AllocObject(env,jClass);
    if (!playlistInstance)
    {
        fprintf(stderr,"jahspotify::createJPlaylist: could not create instance of jahspotify.media.Playlistt\n");
        return NULL;
    }

    sp_link *playlistLink = sp_link_create_from_playlist(playlist);
    if (playlistLink)
    {
        jobject playlistJLink = createJLinkInstance(env,playlistLink);
        setObjectObjectField(env,playlistInstance,"id","Ljahspotify/media/Link;",playlistJLink);
        sp_link_release(playlistLink);
    }

    setObjectStringField(env,playlistInstance,"name",sp_playlist_name(playlist));

    sp_user *owner = sp_playlist_owner(playlist);
    if (owner)
    {
        setObjectStringField(env,playlistInstance,"author",sp_user_display_name(owner));
        sp_user_release(owner);
    }

    // Lookup the method now - saves us looking it up for each iteration of the loop
    jMethod = (*env)->GetMethodID(env,jClass,"addTrack","(Ljahspotify/media/Link;)V");

    if (jMethod == NULL)
    {
        fprintf(stderr,"jahspotify::createJPlaylist: could not load method addTrack(track) on class Playlist\n");
        return NULL;
    }

    int numTracks = sp_playlist_num_tracks(playlist);
    int trackCounter = 0;
    for (trackCounter = 0 ; trackCounter < numTracks; trackCounter++)
    {
        sp_track *track = sp_playlist_track(playlist,trackCounter);
        if (track)
        {
            sp_track_add_ref(track);
            sp_link *trackLink = sp_link_create_from_track(track, 0);
            if (trackLink)
            {
                sp_link_add_ref(trackLink);
                jobject trackJLink = createJLinkInstance(env,trackLink);
                // Add it to the playlist
                (*env)->CallVoidMethod(env,playlistInstance,jMethod,trackJLink);
                sp_link_release(trackLink);
            }
            sp_track_release(track);

        }
    }

    return playlistInstance;

}
コード例 #12
0
ファイル: sp_artistbrowse.c プロジェクト: Kitof/openspotify
static int osfy_artistbrowse_load_from_xml(sp_session *session, sp_artistbrowse *arb, ezxml_t root) {
	unsigned char id[20];
	int disc_number, i;
	sp_track *track;
	sp_album *album;
	ezxml_t node, album_node, loop_node, track_node;


	/* Load artist from XML if not yet loaded */
	if(sp_artist_is_loaded(arb->artist) == 0)
		osfy_artist_load_artist_from_xml(session, arb->artist, root);

	assert(sp_artist_is_loaded(arb->artist));


	/* Load portraits */
	for(loop_node = ezxml_get(root, "bios", 0, "bio", 0, "portraits", 0, "portrait", -1);
	    loop_node;
	    loop_node = loop_node->next) {

		if((node = ezxml_get(loop_node, "id", -1)) == NULL)
			continue;

		arb->portraits = realloc(arb->portraits, sizeof(unsigned char *) * (1 + arb->num_portraits));
		arb->portraits[arb->num_portraits] = malloc(20);

		hex_ascii_to_bytes(node->txt, arb->portraits[arb->num_portraits], 20);

		arb->num_portraits++;
	}		


	/* Load biography */
	if((node = ezxml_get(root, "bios", 0, "bio", 0, "text", -1)) != NULL)
		arb->biography = strdup(node->txt);
	else
		arb->biography = strdup("");


	/* Load similar artists */
	for(loop_node = ezxml_get(root, "similar-artists", 0, "artist", -1);
	    loop_node;
	    loop_node = loop_node->next) {

		if((node = ezxml_get(loop_node, "id", -1)) == NULL)
			continue;

		arb->similar_artists = realloc(arb->similar_artists, sizeof(sp_artist *) * (1 + arb->num_similar_artists));
		hex_ascii_to_bytes(node->txt, id, 16);

		arb->similar_artists[arb->num_similar_artists]
					= osfy_artist_add(session, id);
		sp_artist_add_ref(arb->similar_artists[arb->num_similar_artists]);

		if(sp_artist_is_loaded(arb->similar_artists[arb->num_similar_artists]) == 0) {
			DSFYDEBUG("Loading similar artist from artistbrowse XML\n");
			osfy_artist_load_artist_from_xml(session, 
						arb->similar_artists[arb->num_similar_artists],
							       loop_node);
		}
		assert(sp_artist_is_loaded(arb->similar_artists[arb->num_similar_artists]));

		arb->num_similar_artists++;
	}


	/* Loop over each album listed */
	for(album_node = ezxml_get(root, "albums", 0, "album", -1);
	    album_node;
	    album_node = album_node->next) {

		/* Extract album ID and add it */
		if((node = ezxml_get(album_node, "id", -1)) == NULL)
			continue;

		hex_ascii_to_bytes(node->txt, id, 16);
		album = sp_album_add(session, id);


		/* Load album if necessary */
		if(sp_album_is_loaded(album) == 0)
		   osfy_album_load_from_album_xml(session, album, album_node);

		assert(sp_album_is_loaded(album));


		/* Add album to artistbrowse's list of albums */
		arb->albums = realloc(arb->albums, sizeof(sp_album *) * (1 + arb->num_albums));
		arb->albums[arb->num_albums] = album;
		sp_album_add_ref(arb->albums[arb->num_albums]);
		arb->num_albums++;


		/* Loop over each disc in the album and add tracks */
		for(loop_node = ezxml_get(album_node, "discs", 0, "disc", -1);
		    loop_node;
		    loop_node = loop_node->next) {

			/* Cache disc number */
			if((node = ezxml_get(loop_node, "disc-number", -1)) == NULL) {
				DSFYDEBUG("BUG: Found no 'disc-numner' under discs -> disc\n");
				continue;
			}

			disc_number = atoi(node->txt);


			/* Loop over each track and add it to the artistbrowse tracks list */
			for(track_node = ezxml_get(loop_node, "track", -1), i = 1;
			    track_node;
			    track_node = track_node->next, i++) {

				/* Extract track ID and add it */
				if((node = ezxml_get(track_node, "id", -1)) == NULL)
					continue;

				hex_ascii_to_bytes(node->txt, id, 16);
				track = osfy_track_add(session, id);


				/* Add album to track */
				if(track->album)
					sp_album_release(track->album);

				track->album = album;
				sp_album_add_ref(track->album);


				/* Set disc number */
				track->disc = disc_number;


				/* Set track index on disc */
				if(track->index == 0)
					track->index = i;


				/* Load track details from XML if not already loaded */
				if(sp_track_is_loaded(track) == 0)
					osfy_track_load_from_xml(session, track, track_node);

				assert(sp_track_is_loaded(track));


				/* Mark track as available if the album is available and the album has a non-zero duration (i.e, associated files) */
				if(!track->is_available && track->duration) {
					DSFYDEBUG("Track '%s' marked as not available but has files, force-marking track as %savailable\n",
							node->txt, !album->is_available? "not ": "");
					track->is_available = album->is_available;
				}

				/* Add track to artistbrowse and increase the track's ref count */
				arb->tracks = realloc(arb->tracks, sizeof(sp_track *) * (1 + arb->num_tracks));
				arb->tracks[arb->num_tracks] = track;
				sp_track_add_ref(arb->tracks[arb->num_tracks]);

				arb->num_tracks++;
			}

		} /* for each disc in album */


	} /* for each album */


	return 0;
}
コード例 #13
0
ファイル: savestate.c プロジェクト: auchter/spop
static void restore_state(session_callback_type type, gpointer data, gpointer user_data) {
    JsonParser* jp = NULL;
    JsonReader* jr = NULL;

    const gchar* sqs;
    saved_state* s = NULL;

    GError* err = NULL;

    /* Is it the callback we're interested in? */
    if (type != SPOP_SESSION_LOGGED_IN)
        return;

    /* First disable the callback so it's not called again */
    session_remove_callback(restore_state, NULL);

    g_debug("savestate: reading saved state...");
    s = g_new0(saved_state, 1);

    /* Read and parse state file */
    jp = json_parser_new();
    if (!json_parser_load_from_file(jp, g_state_file_path, &err)) {
        g_warning("savestate: error while reading state file: %s", err->message);
        goto restorestate_error;
    }

    jr = json_reader_new(json_parser_get_root(jp));

    /* Read basic state */
    if (!json_reader_read_member(jr, "status")) goto restorestate_jr_error;
    sqs = json_reader_get_string_value(jr);
    json_reader_end_member(jr);
    if      (strcmp(sqs, "stopped")) s->qs = STOPPED;
    else if (strcmp(sqs, "playing")) s->qs = PLAYING;
    else if (strcmp(sqs, "paused"))  s->qs = PAUSED;
    else {
        g_warning("savestate: bad value for queue status: %s", sqs);
        goto restorestate_error;
    }

    if (!json_reader_read_member(jr, "repeat")) goto restorestate_jr_error;
    s->repeat = json_reader_get_boolean_value(jr);
    json_reader_end_member(jr);

    if (!json_reader_read_member(jr, "shuffle")) goto restorestate_jr_error;
    s->shuffle = json_reader_get_boolean_value(jr);
    json_reader_end_member(jr);

    if (!json_reader_read_member(jr, "current_track")) goto restorestate_jr_error;
    s->cur_track = json_reader_get_int_value(jr);
    json_reader_end_member(jr);

    /* Now read tracks URIs */
    if (!json_reader_read_member(jr, "tracks")) goto restorestate_jr_error;
    if (!json_reader_is_array(jr)) {
        g_warning("savestate: error while parsing JSON: tracks is not an array");
        goto restorestate_error;
    }
    gint tracks = json_reader_count_elements(jr);
    if (s->cur_track >= tracks) {
        g_warning("savestate: incoherent state file: cur_track >= tracks");
        goto restorestate_error;
    }

    s->tracks = g_array_sized_new(FALSE, FALSE, sizeof(sp_track*), tracks);
    if (!s->tracks)
        g_error("Can't allocate array of %d tracks.", tracks);

    size_t i;
    gboolean can_restore_now = TRUE;
    for (i=0; i < tracks; i++) {
        json_reader_read_element(jr, i);
        const gchar* uri = json_reader_get_string_value(jr);
        json_reader_end_element(jr);

        sp_link* lnk = sp_link_create_from_string(uri);
        sp_linktype lt = sp_link_type(lnk);
        if (lt != SP_LINKTYPE_TRACK) {
            g_warning("savestate: invalid link type for track %zu: %d", i, lt);
            sp_link_release(lnk);
            goto restorestate_error;
        }
        sp_track* tr = sp_link_as_track(lnk);
        sp_track_add_ref(tr);
        sp_link_release(lnk);
        g_array_append_val(s->tracks, tr);
        if (!sp_track_is_loaded(tr))
            can_restore_now = FALSE;
    }

    /* If possible, restore now, else wait for all tracks to be loaded */
    if (can_restore_now)
        really_restore_state(s);
    else {
        g_timeout_add(100, (GSourceFunc) really_restore_state, s);
        g_debug("savestate: waiting for all tracks to be loaded before restoring saved state...");
    }

    /* Add a notification callback */
    if (!interface_notify_add_callback(savestate_notification_callback, NULL))
        g_error("Could not add savestate callback.");

    goto restorestate_clean;

 restorestate_jr_error:
    err = (GError*) json_reader_get_error(jr);
    g_warning("savestate: error while parsing JSON: %s", err->message);

 restorestate_error:
    if (s) {
        if (s->tracks)
            g_array_free(s->tracks, TRUE);
        g_free(s);
    }

 restorestate_clean:
    if (jp)
        g_object_unref(jp);
    if (jr)
        g_object_unref(jr);
}
コード例 #14
0
ファイル: gstspotsrc.c プロジェクト: popdevelop/dogvibes_old
/* only used to trigger sp_session_process_events when needed,
 * looks like about once a second */
static void*
spotify_thread_func (void *data)
{
  int timeout = -1;
  GTimeVal t;
  GstSpotSrc *spot = (GstSpotSrc *) data;

  if (!spotify_create_session (spot)) {
    GST_ERROR_OBJECT (spot, "Create_session error");
    return FALSE;
  }

  while (spot->keep_spotify_thread) {
    sp_session_process_events (GST_SPOT_SRC_SPOTIFY_SESSION (spot), &timeout);
    g_get_current_time (&t);
    g_time_val_add (&t, timeout * 1000);
    g_cond_timed_wait (spot->process_events_cond, spot->process_events_mutex, &t);
    spot->spotify_thread_initiated = TRUE;
    while (spot->spot_works) {
      struct spot_work *spot_work;
      sp_error ret = SP_ERROR_INVALID_INDATA;
      spot_work = (struct spot_work *)spot->spot_works->data;
      g_mutex_lock (spot_work->spot_mutex);
      switch (spot_work->cmd) {
        case SPOT_CMD_START:
          GST_DEBUG_OBJECT (spot, "Uri = %s", GST_SPOT_SRC_URI_LOCATION (spot));
          if (!spotify_login (spot)) {
            /* error message from within function */
            break;
          }

          sp_link *link = sp_link_create_from_string (GST_SPOT_SRC_URI_LOCATION (spot));

          if (!link) {
            GST_ERROR_OBJECT (spot, "Incorrect track ID:%s", GST_SPOT_SRC_URI_LOCATION (spot));
            break;
          }

          GST_SPOT_SRC_CURRENT_TRACK (spot) = sp_link_as_track (link);

          if (!GST_SPOT_SRC_CURRENT_TRACK (spot)) {
            GST_ERROR_OBJECT (spot, "Could get track from uri=%s", GST_SPOT_SRC_URI_LOCATION (spot));
            break;
          }

#if 0
          /* FIXME: why does not this work? */
          if (!sp_track_is_available (GST_SPOT_SRC_CURRENT_TRACK (spot))) {
            /* this probably happens for tracks avaiable in other countries or
               something */
            GST_ERROR_OBJECT (spot, "Track is not available, uri=%s", GST_SPOT_SRC_URI_LOCATION (spot));
            break;
          }
#endif

          sp_track_add_ref (GST_SPOT_SRC_CURRENT_TRACK (spot));
          sp_link_add_ref (link);

          sp_session_process_events (GST_SPOT_SRC_SPOTIFY_SESSION (spot), &timeout);
          while (sp_track_is_loaded (GST_SPOT_SRC_CURRENT_TRACK (spot)) == 0) {
            sp_session_process_events (GST_SPOT_SRC_SPOTIFY_SESSION (spot), &timeout);
            usleep (10000);
          }

          GST_DEBUG_OBJECT (spot, "Now playing \"%s\"", sp_track_name (GST_SPOT_SRC_CURRENT_TRACK (spot)));

          ret = sp_session_player_load (GST_SPOT_SRC_SPOTIFY_SESSION (spot), GST_SPOT_SRC_CURRENT_TRACK (spot));
          if (ret != SP_ERROR_OK) {
            GST_ERROR_OBJECT (spot, "Failed to load track '%s' uri=%s", sp_track_name (GST_SPOT_SRC_CURRENT_TRACK (spot)),
                (GST_SPOT_SRC_URI_LOCATION (spot)));
            break;
          }

          sp_session_process_events (GST_SPOT_SRC_SPOTIFY_SESSION (spot), &timeout);
          ret = sp_session_player_play (GST_SPOT_SRC_SPOTIFY_SESSION (spot), TRUE);
          if (ret != SP_ERROR_OK) {
            GST_ERROR_OBJECT (spot, "Failed to play track '%s' uri=%s", sp_track_name (GST_SPOT_SRC_CURRENT_TRACK (spot)),
                (GST_SPOT_SRC_URI_LOCATION (spot)));
            break;
          }
          break;
        case SPOT_CMD_PROCESS:
          sp_session_process_events (GST_SPOT_SRC_SPOTIFY_SESSION (spot), &timeout);
          break;

        case SPOT_CMD_PLAY:
          ret = sp_session_player_play (GST_SPOT_SRC_SPOTIFY_SESSION (spot), TRUE);
          break;

        case SPOT_CMD_DURATION:
          if (GST_SPOT_SRC_CURRENT_TRACK (spot)) {
            ret = sp_track_duration (GST_SPOT_SRC_CURRENT_TRACK (spot));
          }
          break;

        case SPOT_CMD_STOP:
          if (GST_SPOT_SRC_CURRENT_TRACK (spot)) {
            ret = sp_session_player_play (GST_SPOT_SRC_SPOTIFY_SESSION (spot), FALSE);
            if (ret != SP_ERROR_OK)  {
              break;
            }
            ret = SP_ERROR_OK;
            sp_session_player_unload (GST_SPOT_SRC_SPOTIFY_SESSION (spot));
          }
          break;

        case SPOT_CMD_SEEK:
          if (GST_SPOT_SRC_CURRENT_TRACK (spot)) {
            ret = sp_session_player_seek (GST_SPOT_SRC_SPOTIFY_SESSION (spot), spot_work->opt);
          }
          break;
        default:
          g_assert_not_reached ();
          break;

      }

      /* print all errors caught and propagate to calling thread */
      if (ret != SP_ERROR_OK) {
            GST_ERROR_OBJECT (spot, "Failed with SPOT_CMD=%d, ret=%d, error=%s", spot_work->cmd, ret, sp_error_message (ret));
      }
      spot_work->ret = ret;

      spot->spot_works = g_list_remove (spot->spot_works, spot->spot_works->data);
      g_mutex_unlock (spot_work->spot_mutex);
      g_cond_broadcast (spot_work->spot_cond);
    }
  }

  return NULL;
}