diff options
Diffstat (limited to 'src/decode.c')
| -rw-r--r-- | src/decode.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/decode.c b/src/decode.c index a5110f752..5016a173d 100644 --- a/src/decode.c +++ b/src/decode.c @@ -26,6 +26,12 @@ #include "ls.h" #include "main_notify.h" +enum xfade_state { + XFADE_DISABLED = 1, + XFADE_UNKNOWN = 0, + XFADE_ENABLED = 1 +}; + /* called inside decoder_task (inputPlugins) */ void decoder_wakeup_player(void) { @@ -149,7 +155,7 @@ static int decodeSeek(int *decodeWaitedOn, int *next) } static void processDecodeInput(int *pause_r, unsigned int *bbp_r, - int *doCrossFade_r, + enum xfade_state *do_xfade_r, int *decodeWaitedOn_r, int *next_r) { @@ -192,7 +198,7 @@ static void processDecodeInput(int *pause_r, unsigned int *bbp_r, if(pc.seek) { dropBufferedAudio(); if (decodeSeek(decodeWaitedOn_r, next_r) == 0) { - *doCrossFade_r = 0; + *do_xfade_r = XFADE_UNKNOWN; *bbp_r = 0; } } @@ -383,9 +389,7 @@ static void decodeParent(void) int do_pause = 0; int buffering = 1; unsigned int bbp = buffered_before_play; - /** cross fading enabled for the current song? 0=must check; - 1=enabled; -1=disabled */ - int doCrossFade = 0; + enum xfade_state do_xfade = XFADE_UNKNOWN; unsigned int crossFadeChunks = 0; /** the position of the next cross-faded chunk in the next song */ @@ -405,7 +409,7 @@ static void decodeParent(void) wakeup_main_task(); while (1) { - processDecodeInput(&do_pause, &bbp, &doCrossFade, + processDecodeInput(&do_pause, &bbp, &do_xfade, &decodeWaitedOn, &next); if (pc.stop) { dropBufferedAudio(); @@ -473,7 +477,7 @@ static void decodeParent(void) wakeup_main_task(); player_wakeup_decoder_nb(); } - if (next >= 0 && doCrossFade == 0 && !dc.start && + if (next >= 0 && do_xfade == XFADE_UNKNOWN && !dc.start && dc.state != DECODE_STATE_START) { /* enable cross fading in this song? if yes, calculate how many chunks will be required @@ -482,21 +486,20 @@ static void decodeParent(void) calculateCrossFadeChunks(&(ob.audioFormat), dc.totalTime); if (crossFadeChunks > 0) { - doCrossFade = 1; + do_xfade = XFADE_ENABLED; nextChunk = -1; } else /* cross fading is disabled or the next song is too short */ - doCrossFade = -1; + do_xfade = XFADE_DISABLED; } if (do_pause) player_sleep(); else if (!ob_is_empty() && (int)ob.begin != next) { - ob_chunk *beginChunk = - ob_get_chunk(ob.begin); + ob_chunk *beginChunk = ob_get_chunk(ob.begin); unsigned int fadePosition; - if (doCrossFade == 1 && next >= 0 && + if (do_xfade == XFADE_ENABLED && next >= 0 && (fadePosition = ob_relative(next)) <= crossFadeChunks) { /* perform cross fade */ @@ -522,7 +525,7 @@ static void decodeParent(void) /* the decoder isn't running, abort cross fading */ - doCrossFade = -1; + do_xfade = XFADE_DISABLED; } else { /* wait for the decoder */ @@ -541,14 +544,14 @@ static void decodeParent(void) } else if (!ob_is_empty() && (int)ob.begin == next) { /* at the beginning of a new song */ - if (doCrossFade == 1 && nextChunk >= 0) { + if (do_xfade == XFADE_ENABLED && nextChunk >= 0) { /* the cross-fade is finished; skip the section which was cross-faded (and thus already played) */ ob_skip(crossFadeChunks); } - doCrossFade = 0; + do_xfade = XFADE_UNKNOWN; /* wait for the decoder to work on the new song */ if (pc.queueState == PLAYER_QUEUE_DECODE || |