forked from len0rd/rockbox
This seems to make selecting a new track from the file browser work very close to right.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9810 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Brandon Low
parent
96dce1d3b7
commit
da1cddfcbb
1 changed files with 66 additions and 28 deletions
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@ -119,6 +119,7 @@ enum {
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Q_AUDIO_FLUSH,
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Q_AUDIO_TRACK_CHANGED,
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Q_AUDIO_DIR_SKIP,
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Q_AUDIO_NEW_PLAYLIST,
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Q_AUDIO_POSTINIT,
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Q_AUDIO_FILL_BUFFER,
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@ -237,6 +238,7 @@ extern struct codec_api ci_voice;
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/* Was the skip being executed manual or automatic? */
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static bool automatic_skip;
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static bool dir_skip = false;
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static bool new_playlist = false;
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/* Callback function to call when current track has really changed. */
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void (*track_changed_callback)(struct mp3entry *id3);
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@ -258,7 +260,8 @@ static int mp3_get_file_pos(void);
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static void audio_clear_track_entries(
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bool clear_buffered, bool clear_unbuffered);
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static void initialize_buffer_fill(bool clear_tracks);
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static void audio_fill_file_buffer(bool start_play, size_t offset);
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static void audio_fill_file_buffer(
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bool start_play, bool rebuffer, size_t offset);
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static void swap_codec(void)
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{
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@ -883,13 +886,11 @@ static void audio_rebuffer(void)
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audio_clear_track_entries(false, true);
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filebufused = 0;
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/* Cause the buffer fill to return as soon as the codec is loaded */
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queue_post(&audio_queue, Q_AUDIO_FILL_BUFFER, 0);
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/* Fill the buffer */
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last_peek_offset = -1;
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cur_ti->filesize = 0;
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cur_ti->start_pos = 0;
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audio_fill_file_buffer(false, 0);
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audio_fill_file_buffer(false, true, 0);
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}
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static void audio_check_new_track(void)
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@ -915,6 +916,9 @@ static void audio_check_new_track(void)
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}
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}
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if (new_playlist)
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ci.new_track = 0;
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/* If the playlist isn't that big */
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if (!playlist_check(ci.new_track))
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{
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@ -935,15 +939,15 @@ static void audio_check_new_track(void)
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last_peek_offset -= ci.new_track;
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playlist_next(ci.new_track);
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if (new_playlist)
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ci.new_track = 1;
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track_ridx+=ci.new_track;
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if (track_ridx >= MAX_TRACK)
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track_ridx -= MAX_TRACK;
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else if (track_ridx < 0)
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track_ridx += MAX_TRACK;
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forward = ci.new_track > 0;
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ci.new_track = 0;
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/* Save the old track */
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prev_ti = cur_ti;
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/* Move to the new track */
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@ -959,6 +963,9 @@ static void audio_check_new_track(void)
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goto skip_done;
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}
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forward = ci.new_track > 0;
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ci.new_track = 0;
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/* If the target track is clearly not in memory */
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if (cur_ti->filesize == 0 || !cur_ti->taginfo_ready)
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{
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@ -1313,7 +1320,7 @@ static void strip_id3v1_tag(void)
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}
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}
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static void audio_read_file(void)
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static void audio_read_file(bool quick)
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{
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size_t copy_n;
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int rc;
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@ -1360,7 +1367,7 @@ static void audio_read_file(void)
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/* Let the codec process until it is out of the danger zone, or there
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* is an event to handle. In the latter case, break this fill cycle
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* immediately */
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if (yield_codecs())
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if (quick || yield_codecs())
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break;
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}
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@ -1581,7 +1588,7 @@ static bool read_next_metadata(void)
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return status;
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}
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static bool audio_load_track(int offset, bool start_play)
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static bool audio_load_track(int offset, bool start_play, bool rebuffer)
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{
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char *trackname;
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off_t size;
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@ -1732,7 +1739,8 @@ static bool audio_load_track(int offset, bool start_play)
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logf("alt:%s", trackname);
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tracks[track_widx].buf_idx = buf_widx;
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audio_read_file();
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audio_read_file(rebuffer);
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return true;
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}
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@ -1851,7 +1859,7 @@ static void audio_play_start(size_t offset)
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last_peek_offset = -1;
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audio_fill_file_buffer(true, offset);
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audio_fill_file_buffer(true, false, offset);
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}
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/* Send callback events to notify about new tracks. */
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@ -1911,7 +1919,8 @@ static void initialize_buffer_fill(bool clear_tracks)
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filling = true;
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}
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static void audio_fill_file_buffer(bool start_play, size_t offset)
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static void audio_fill_file_buffer(
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bool start_play, bool rebuffer, size_t offset)
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{
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bool had_next_track = audio_next_track() != NULL;
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@ -1920,8 +1929,8 @@ static void audio_fill_file_buffer(bool start_play, size_t offset)
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/* If we have a partially buffered track, continue loading,
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* otherwise load a new track */
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if (tracks[track_widx].filesize > 0)
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audio_read_file();
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else if (!audio_load_track(offset, start_play))
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audio_read_file(false);
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else if (!audio_load_track(offset, start_play, rebuffer))
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fill_bytesleft = 0;
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if (!had_next_track && audio_next_track())
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@ -2048,11 +2057,10 @@ static bool codec_request_next_track_callback(void)
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void audio_invalidate_tracks(void)
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{
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if (have_tracks()) {
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playlist_end = false;
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last_peek_offset = 0;
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playlist_end = false;
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track_widx = track_ridx;
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audio_clear_track_entries(true, true);
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/* If the current track is fully buffered, advance the write pointer */
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@ -2070,6 +2078,35 @@ void audio_invalidate_tracks(void)
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}
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}
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static void audio_new_playlist(void)
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{
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/* Prepare to start a new fill from the beginning of the playlist */
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last_peek_offset = -1;
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if (have_tracks()) {
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playlist_end = false;
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track_widx = track_ridx;
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audio_clear_track_entries(true, true);
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if (++track_widx >= MAX_TRACK)
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track_widx -= MAX_TRACK;
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/* Stop reading the current track */
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cur_ti->filerem = 0;
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close(current_fd);
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current_fd = -1;
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/* Invalidate the buffer other than the playing track */
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filebufused = cur_ti->available;
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buf_widx = buf_ridx + cur_ti->available;
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if (buf_widx >= filebuflen)
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buf_widx -= filebuflen;
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}
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/* Signal the codec to initiate a track change forward */
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new_playlist = true;
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ci.new_track = 1;
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audio_fill_file_buffer(false, true, 0);
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}
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static void initiate_track_change(long direction)
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{
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playlist_end = false;
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@ -2105,7 +2142,7 @@ void audio_thread(void)
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if (!filling)
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if (!playing || playlist_end || ci.stop_codec)
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break;
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audio_fill_file_buffer(false, 0);
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audio_fill_file_buffer(false, false, 0);
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break;
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case Q_AUDIO_PLAY:
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@ -2161,6 +2198,11 @@ void audio_thread(void)
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initiate_dir_change((long)ev.data);
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break;
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case Q_AUDIO_NEW_PLAYLIST:
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logf("new_playlist");
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audio_new_playlist();
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break;
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case Q_AUDIO_FLUSH:
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logf("flush & reload");
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audio_invalidate_tracks();
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@ -2441,18 +2483,14 @@ bool audio_has_changed_track(void)
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void audio_play(long offset)
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{
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logf("audio_play");
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if (pcmbuf_is_crossfade_enabled())
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{
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ci.stop_codec = true;
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sleep(1);
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pcmbuf_crossfade_init(true);
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}
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if (playing)
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queue_post(&audio_queue, Q_AUDIO_NEW_PLAYLIST, 0);
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else
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stop_codec_flush();
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{
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playing = true;
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queue_post(&audio_queue, Q_AUDIO_PLAY, (void *)offset);
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}
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}
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void audio_stop(void)
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{
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