16 files changed, 23 insertions, 15 deletions

diff --git a/apps/codecs/a52.c b/apps/codecs/a52.c
index 3d0c35d7f7..b7190be71b 100644
--- a/apps/codecs/a52.c
+++ b/apps/codecs/a52.c
@@ -154,7 +154,7 @@ next_track:
     while (!ci->taginfo_ready)
         ci->yield();
     
-    ci->configure(DSP_SET_FREQUENCY, (long *)(ci->id3->frequency));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(ci->id3->frequency));
     
     /* Intialise the A52 decoder and check for success */
     state = a52_init(0);
diff --git a/apps/codecs/aac.c b/apps/codecs/aac.c
index a2248c6437..3c9a6372e9 100644
--- a/apps/codecs/aac.c
+++ b/apps/codecs/aac.c
@@ -90,7 +90,7 @@ next_track:
   
     sound_samples_done = ci->id3->offset;
 
-    ci->configure(DSP_SET_FREQUENCY, (long *)(rb->id3->frequency));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(rb->id3->frequency));
     codec_set_replaygain(rb->id3);
 
     stream_create(&input_stream,ci);
diff --git a/apps/codecs/adx.c b/apps/codecs/adx.c
index 902f3ce06b..803600b23e 100644
--- a/apps/codecs/adx.c
+++ b/apps/codecs/adx.c
@@ -161,7 +161,7 @@ next_track:
     bufoff = chanstart;
 
     /* setup pcm buffer format */
-    ci->configure(DSP_SET_FREQUENCY, (long *)(ci->id3->frequency));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(ci->id3->frequency));
     if (channels == 2) {
         ci->configure(DSP_SET_STEREO_MODE, (long *)STEREO_INTERLEAVED);
     } else if (channels == 1) {
diff --git a/apps/codecs/aiff.c b/apps/codecs/aiff.c
index 6ca03f1b26..479d405c41 100644
--- a/apps/codecs/aiff.c
+++ b/apps/codecs/aiff.c
@@ -81,6 +81,7 @@ enum codec_status codec_start(struct codec_api *api)
     ci->memset(iedata, 0, iend - iedata);
 #endif
 
+    ci->configure(DSP_SET_SAMPLE_DEPTH, (long *)28);
     ci->configure(CODEC_SET_FILEBUF_WATERMARK, (int *)(1024*512));
     ci->configure(CODEC_SET_FILEBUF_CHUNKSIZE, (int *)(1024*256));
   
@@ -182,8 +183,7 @@ next_track:
         goto done;
     }
 
-    ci->configure(DSP_SET_FREQUENCY, (long *)(ci->id3->frequency));
-    ci->configure(DSP_SET_SAMPLE_DEPTH, (long *)28);
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(ci->id3->frequency));
 
     if (num_channels == 2) {
         ci->configure(DSP_SET_STEREO_MODE, (int *)STEREO_INTERLEAVED);
diff --git a/apps/codecs/alac.c b/apps/codecs/alac.c
index d65cdb7129..13423f4804 100644
--- a/apps/codecs/alac.c
+++ b/apps/codecs/alac.c
@@ -78,7 +78,7 @@ enum codec_status codec_start(struct codec_api* api)
   while (!*ci->taginfo_ready && !ci->stop_codec)
     ci->sleep(1);
   
-  ci->configure(DSP_SET_FREQUENCY, (long *)(rb->id3->frequency));
+  ci->configure(DSP_SWITCH_FREQUENCY, (long *)(rb->id3->frequency));
   codec_set_replaygain(rb->id3);
 
   stream_create(&input_stream,ci);
diff --git a/apps/codecs/flac.c b/apps/codecs/flac.c
index 9f2405f4f2..4f5f0b1eaa 100644
--- a/apps/codecs/flac.c
+++ b/apps/codecs/flac.c
@@ -470,7 +470,7 @@ enum codec_status codec_start(struct codec_api* api)
     while (!*ci->taginfo_ready && !ci->stop_codec)
         ci->sleep(1);
     
-    ci->configure(DSP_SET_FREQUENCY, (long *)(ci->id3->frequency));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(ci->id3->frequency));
     codec_set_replaygain(ci->id3);
 
     if (samplesdone) {
diff --git a/apps/codecs/mpa.c b/apps/codecs/mpa.c
index ff6090e189..94947a9d1c 100644
--- a/apps/codecs/mpa.c
+++ b/apps/codecs/mpa.c
@@ -110,7 +110,7 @@ next_track:
     while (!*ci->taginfo_ready && !ci->stop_codec)
         ci->sleep(1);
 
-    ci->configure(DSP_SET_FREQUENCY, (int *)ci->id3->frequency);
+    ci->configure(DSP_SWITCH_FREQUENCY, (int *)ci->id3->frequency);
     current_frequency = ci->id3->frequency;
     codec_set_replaygain(ci->id3);
     
diff --git a/apps/codecs/mpc.c b/apps/codecs/mpc.c
index 821b3ce25e..ad38185fe0 100644
--- a/apps/codecs/mpc.c
+++ b/apps/codecs/mpc.c
@@ -121,7 +121,7 @@ next_track:
         goto done;
     }
     frequency = info.sample_freq / 1000;
-    ci->configure(DSP_SET_FREQUENCY, (long *)(long)info.sample_freq);
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(long)info.sample_freq);
         
     /* set playback engine up for correct number of channels */
     /* NOTE: current musepack format only allows for stereo files
diff --git a/apps/codecs/shorten.c b/apps/codecs/shorten.c
index a7fc601ae5..b48a91ea17 100644
--- a/apps/codecs/shorten.c
+++ b/apps/codecs/shorten.c
@@ -98,7 +98,7 @@ next_track:
     }
 
     ci->id3->frequency = sc.sample_rate;
-    ci->configure(DSP_SET_FREQUENCY, (long *)(long)(sc.sample_rate));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(long)(sc.sample_rate));
 
     if (sc.sample_rate) {
         ci->id3->length = (sc.totalsamples / sc.sample_rate) * 1000;
diff --git a/apps/codecs/sid.c b/apps/codecs/sid.c
index c95e44b426..d356da7fee 100644
--- a/apps/codecs/sid.c
+++ b/apps/codecs/sid.c
@@ -1267,7 +1267,7 @@ next_track:
     
 
     /* Make use of 44.1khz */
-    ci->configure(DSP_SET_FREQUENCY, (long *)44100);
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)44100);
     /* Sample depth is 28 bit host endian */
     ci->configure(DSP_SET_SAMPLE_DEPTH, (long *)28);
     /* Mono output */
diff --git a/apps/codecs/vorbis.c b/apps/codecs/vorbis.c
index 0475572f19..d08cb0e90d 100644
--- a/apps/codecs/vorbis.c
+++ b/apps/codecs/vorbis.c
@@ -85,7 +85,7 @@ bool vorbis_set_codec_parameters(OggVorbis_File *vf)
         return false;
     }
 
-    rb->configure(DSP_SET_FREQUENCY, (int *)rb->id3->frequency);
+    rb->configure(DSP_SWITCH_FREQUENCY, (int *)rb->id3->frequency);
     codec_set_replaygain(rb->id3);
 
     if (vi->channels == 2) {
diff --git a/apps/codecs/wav.c b/apps/codecs/wav.c
index ba99b94616..9add1f512a 100644
--- a/apps/codecs/wav.c
+++ b/apps/codecs/wav.c
@@ -397,7 +397,7 @@ next_track:
         goto done;
     }
 
-    ci->configure(DSP_SET_FREQUENCY, (long *)(ci->id3->frequency));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(ci->id3->frequency));
     if (channels == 2) {
         ci->configure(DSP_SET_STEREO_MODE, (long *)STEREO_INTERLEAVED);
     } else if (channels == 1) {
diff --git a/apps/codecs/wavpack.c b/apps/codecs/wavpack.c
index de815e6b01..65280535e6 100644
--- a/apps/codecs/wavpack.c
+++ b/apps/codecs/wavpack.c
@@ -74,7 +74,7 @@ enum codec_status codec_start(struct codec_api* api)
     while (!*ci->taginfo_ready && !ci->stop_codec)
         ci->sleep(1);
         
-    ci->configure(DSP_SET_FREQUENCY, (long *)(ci->id3->frequency));
+    ci->configure(DSP_SWITCH_FREQUENCY, (long *)(ci->id3->frequency));
     codec_set_replaygain(ci->id3);
    
     /* Create a decoder instance */
diff --git a/apps/dsp.c b/apps/dsp.c
index c6d669b16a..b59c391de0 100644
--- a/apps/dsp.c
+++ b/apps/dsp.c
@@ -1055,6 +1055,12 @@ bool dsp_configure(int setting, void *value)
         dsp->new_gain = true;
         break;
 
+    case DSP_FLUSH:
+        memset(&resample_data[current_codec], 0,
+               sizeof (struct resample_data));
+        dither_init();
+        break;
+
     case DSP_SET_TRACK_GAIN:
         dsp->track_gain = (long) value;
         dsp->new_gain = true;
diff --git a/apps/dsp.h b/apps/dsp.h
index 965eb28c5f..1a2b8782f3 100644
--- a/apps/dsp.h
+++ b/apps/dsp.h
@@ -39,6 +39,7 @@ enum {
     DSP_SET_SAMPLE_DEPTH,
     DSP_SET_STEREO_MODE,
     DSP_RESET,
+    DSP_FLUSH,
     DSP_SET_TRACK_GAIN,
     DSP_SET_ALBUM_GAIN,
     DSP_SET_TRACK_PEAK,
diff --git a/apps/playback.c b/apps/playback.c
index 2b08a99a8a..90cedc0299 100644
--- a/apps/playback.c
+++ b/apps/playback.c
@@ -1679,7 +1679,8 @@ static void codec_seek_complete_callback(void)
     {
         /* If this is not a seamless seek, clear the buffer */
         pcmbuf_play_stop();
-        
+        dsp_configure(DSP_FLUSH, NULL);
+
         /* If playback was not 'deliberately' paused, unpause now */
         if (!paused)
             pcmbuf_pause(false);