From d6e79424264147e52f70d9ed34b80e34a9d3c23b Mon Sep 17 00:00:00 2001
From: Miika Pekkarinen <miipekk@ihme.org>
Date: Tue, 5 Jul 2005 15:19:22 +0000
Subject: Fixed: Crossfading, broken elapsed info with mp3 files, possible cpu
 boost problem and track changing.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7027 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs/mpa.c       |  2 +-
 apps/playback.c         | 23 ++++++++++++++---------
 firmware/export/id3.h   |  2 +-
 firmware/pcm_playback.c |  9 +++++----
 4 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/apps/codecs/mpa.c b/apps/codecs/mpa.c
index a52dc12a40..df78b07247 100644
--- a/apps/codecs/mpa.c
+++ b/apps/codecs/mpa.c
@@ -119,11 +119,11 @@ enum codec_status codec_start(struct codec_api* api)
     first_frame = false;
     file_end = 0;
     OutputPtr = OutputBuffer;
-    frequency_divider = ci->id3->frequency / 100;
     
     while (!*ci->taginfo_ready)
         ci->yield();
   
+    frequency_divider = ci->id3->frequency / 100;
     ci->configure(DSP_SET_FREQUENCY, (int *)ci->id3->frequency);
     
     ci->request_buffer(&size, ci->id3->first_frame_offset);
diff --git a/apps/playback.c b/apps/playback.c
index e7baf5b072..e251a1ee89 100644
--- a/apps/playback.c
+++ b/apps/playback.c
@@ -1236,16 +1236,19 @@ bool codec_request_next_track_callback(void)
     
     /* Advance to next track. */
     if (ci.reload_codec && new_track > 0) {
-        /* Wait for new track data. */
-        while (track_ridx == track_widx && filling)
-            yield();
-            
         if (!playlist_check(1))
             return false;
         last_peek_offset--;
         playlist_next(1);
         if (++track_ridx == MAX_TRACK)
             track_ridx = 0;
+            
+        /* Wait for new track data (codectype 0 is invalid). When a correct
+           codectype is set, we can assume that the filesize is correct. */
+        while (tracks[track_ridx].id3.codectype == 0 && filling
+               && !ci.stop_codec)
+            yield();
+            
         if (tracks[track_ridx].filesize == 0) {
             logf("Loading from disk...");
             new_track = 0;
@@ -1274,10 +1277,6 @@ bool codec_request_next_track_callback(void)
     
     /* Codec requested track change (next track). */
     else {
-        /* Wait for new track data. */
-        while (track_ridx == track_widx && filling)
-            yield();
-            
         if (!playlist_check(1))
             return false;
         last_peek_offset--;
@@ -1285,7 +1284,13 @@ bool codec_request_next_track_callback(void)
         if (++track_ridx >= MAX_TRACK)
             track_ridx = 0;
         
-        if (track_ridx == track_widx && tracks[track_ridx].filerem == 0) {
+        /* Wait for new track data (codectype 0 is invalid). When a correct
+           codectype is set, we can assume that the filesize is correct. */
+        while (tracks[track_ridx].id3.codectype == 0 && filling
+               && !ci.stop_codec)
+            yield();
+            
+        if (tracks[track_ridx].filesize == 0) {
             logf("No more tracks");
             new_track = 0;
             return false;
diff --git a/firmware/export/id3.h b/firmware/export/id3.h
index 8fd41a1286..8f904e49e6 100644
--- a/firmware/export/id3.h
+++ b/firmware/export/id3.h
@@ -25,7 +25,7 @@
 /* Audio file types. */
 /* NOTE: When adding new audio types, also add to codec_labels[] in id3.c */
 enum {
-    AFMT_UNKNOWN = 0,  /* Unknown file format */
+    AFMT_UNKNOWN = 1,  /* Unknown file format */
 
 #if CONFIG_HWCODEC==MASNONE
     AFMT_MPA_L1,       /* MPEG Audio layer 1 */
diff --git a/firmware/pcm_playback.c b/firmware/pcm_playback.c
index 298d2e7874..a58069d5f1 100644
--- a/firmware/pcm_playback.c
+++ b/firmware/pcm_playback.c
@@ -127,7 +127,7 @@ void pcm_boost(bool state)
 {
     static bool boost_state = false;
     
-    if (crossfade_active || boost_mode)
+    if (crossfade_init || crossfade_active || boost_mode)
         return ;
         
     if (state != boost_state) {
@@ -158,6 +158,7 @@ static void dma_stop(void)
     next_start = NULL;
     next_size = 0;
     crossfade_init = 0;
+    crossfade_active = 0;
     pcm_paused = false;
 }
 
@@ -255,13 +256,12 @@ void pcm_play_data(const unsigned char* start, int size,
 
 void pcm_play_stop(void)
 {
-    crossfade_active = false;
-    pcm_set_boost_mode(false);
-    pcm_boost(false);
     if (pcm_playing) {
         uda1380_mute(true);
         dma_stop();
     }
+    pcm_set_boost_mode(false);
+    pcm_boost(false);
 }
 
 void pcm_play_pause(bool play)
@@ -436,6 +436,7 @@ bool pcm_crossfade_init(void)
         return false;
     }
     logf("crossfading!");
+    pcm_boost(true);
     crossfade_mode = CFM_CROSSFADE;
     crossfade_init = true;
     
-- 
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