From 8a7d104a359aec7776712cb366d1d92e0f0328a8 Mon Sep 17 00:00:00 2001
From: Miika Pekkarinen <miipekk@ihme.org>
Date: Sun, 21 Aug 2005 18:12:31 +0000
Subject: Now codecs will do the buffer flushing after seeking as they find it
 necessary.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7369 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs.c     |  1 +
 apps/codecs.h     |  4 +++-
 apps/codecs/mpa.c |  5 ++++-
 apps/playback.c   | 13 +++++++------
 4 files changed, 15 insertions(+), 8 deletions(-)

(limited to 'apps')

diff --git a/apps/codecs.c b/apps/codecs.c
index 004d4681f7..0093da67c5 100644
--- a/apps/codecs.c
+++ b/apps/codecs.c
@@ -247,6 +247,7 @@ struct codec_api ci = {
 
     memchr,
     NULL,
+    NULL,
 };
 
 int codec_load_ram(char* codecptr, int size, void* ptr2, int bufwrap,
diff --git a/apps/codecs.h b/apps/codecs.h
index 3b8e1d8394..4a4ccb229c 100644
--- a/apps/codecs.h
+++ b/apps/codecs.h
@@ -79,7 +79,7 @@
 #endif
 
 /* increase this every time the api struct changes */
-#define CODEC_API_VERSION 40
+#define CODEC_API_VERSION 41
 
 /* update this to latest version if a change to the api struct breaks
    backwards compatibility (and please take the opportunity to sort in any 
@@ -327,6 +327,8 @@ struct codec_api {
 
     void *(*memchr)(const void *s1, int c, size_t n);
     void (*set_offset)(unsigned int value);
+    /* Codec should call this function when it has done the seeking. */
+    void (*seek_complete)(void);
 };
 
 /* defined by the codec loader (codec.c) */
diff --git a/apps/codecs/mpa.c b/apps/codecs/mpa.c
index 8cc3398ca4..8bfe376818 100644
--- a/apps/codecs/mpa.c
+++ b/apps/codecs/mpa.c
@@ -177,7 +177,10 @@ enum codec_status codec_start(struct codec_api* api)
                 goto next_track;
             }
             ci->seek_time = 0;
-            if (newpos == 0) frame_skip = start_skip;
+            if (newpos == 0)
+                frame_skip = start_skip;
+            /* Optional but good thing to do. */
+            ci->seek_complete();
         }
 
         /* Lock buffers */
diff --git a/apps/playback.c b/apps/playback.c
index e601233636..b80c33f3c4 100644
--- a/apps/playback.c
+++ b/apps/playback.c
@@ -539,7 +539,6 @@ static bool rebuffer_and_seek(int newpos)
     ci.curpos = newpos;
     cur_ti->available = 0;
     lseek(current_fd, newpos, SEEK_SET);
-    pcmbuf_flush_audio();
         
     mutex_unlock(&mutex_bufferfill);
 
@@ -602,6 +601,11 @@ off_t codec_mp3_get_filepos_callback(int newtime)
     return newpos;
 }
 
+void codec_seek_complete_callback(void)
+{
+    pcmbuf_flush_audio();
+}
+
 bool codec_seek_buffer_callback(off_t newpos)
 {
     int difference;
@@ -620,8 +624,6 @@ bool codec_seek_buffer_callback(off_t newpos)
     if (difference >= 0) {
         logf("seek: +%d", difference);
         codec_advance_buffer_callback(difference);
-        if (!pcmbuf_is_crossfade_active())
-            pcmbuf_play_stop();
         return true;
     }
 
@@ -642,8 +644,6 @@ bool codec_seek_buffer_callback(off_t newpos)
     if (buf_ridx < 0)
         buf_ridx = filebuflen + buf_ridx;
     ci.curpos -= difference;
-    if (!pcmbuf_is_crossfade_active())
-        pcmbuf_play_stop();
     
     return true;
 }
@@ -1939,8 +1939,8 @@ void audio_ff_rewind(int newpos)
 {
     logf("rewind: %d", newpos);
     if (playing) {
-        ci.seek_time = newpos+1;
         pcmbuf_play_stop();
+        ci.seek_time = newpos+1;
         paused = false;
     }
 }
@@ -2215,6 +2215,7 @@ void audio_init(void)
     ci.request_next_track = codec_request_next_track_callback;
     ci.mp3_get_filepos = codec_mp3_get_filepos_callback;
     ci.seek_buffer = codec_seek_buffer_callback;
+    ci.seek_complete = codec_seek_complete_callback;
     ci.set_elapsed = codec_set_elapsed_callback;
     ci.set_offset = codec_set_offset_callback;
     ci.configure = codec_configure_callback;
-- 
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