From 77f6f4caadfab255eed4d4cfbd471cb981ccb073 Mon Sep 17 00:00:00 2001
From: Steve Bavin <pondlife@pondlife.me>
Date: Mon, 15 Jun 2009 15:46:09 +0000
Subject: Fix FS#10331 and get mpegplayer working again.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21293 a1c6a512-1295-4272-9138-f99709370657
---
 apps/dsp.c     | 47 +++++++++++++++++------------------------------
 apps/main.c    |  6 ++++++
 apps/tdspeed.c | 18 ++++++++++++++----
 apps/tdspeed.h |  3 ++-
 4 files changed, 39 insertions(+), 35 deletions(-)

diff --git a/apps/dsp.c b/apps/dsp.c
index b32b641693..496e333bc5 100644
--- a/apps/dsp.c
+++ b/apps/dsp.c
@@ -245,20 +245,6 @@ static int32_t *resample_buf;
 #define RESAMPLE_BUF_LEFT_CHANNEL 0
 #define RESAMPLE_BUF_RIGHT_CHANNEL (sample_buf_count/2 * RESAMPLE_RATIO)
 
-#if 0
-/* Clip sample to arbitrary limits where range > 0 and min + range = max */
-static inline long clip_sample(int32_t sample, int32_t min, int32_t range)
-{
-    if ((uint32_t)(sample - min) > (uint32_t)range)
-    {
-        int32_t c = min;
-        if (sample > min)
-            c += range;
-        sample = c;
-    }
-    return sample;
-}
-#endif
 
 /* Clip sample to signed 16 bit range */
 static inline int32_t clip_sample_16(int32_t sample)
@@ -282,14 +268,14 @@ void sound_set_pitch(int permille)
 
 void tdspeed_setup(struct dsp_config *dspc)
 {
+    dspc->tdspeed_active = false;
     if (dspc == &AUDIO_DSP)
     {
-        dspc->tdspeed_active = false;
         if (!dspc->tdspeed_enabled)
             return;
         if (dspc->tdspeed_percent == 0)
             dspc->tdspeed_percent = 100;
-        if (!tdspeed_init(
+        if (!tdspeed_config(
             dspc->codec_frequency == 0 ? NATIVE_FREQUENCY : dspc->codec_frequency,
             dspc->stereo_mode != STEREO_MONO,
             dspc->tdspeed_percent))
@@ -1277,19 +1263,7 @@ int dsp_process(struct dsp_config *dsp, char *dst, const char *src[], int count)
 /* dsp_input_size MUST be called afterwards */
 int dsp_output_count(struct dsp_config *dsp, int count)
 {
-    if(!dsp->tdspeed_active)
-    {
-        sample_buf = small_sample_buf;
-        resample_buf = small_resample_buf;
-        sample_buf_count = SMALL_SAMPLE_BUF_COUNT;
-    }
-    else
-    {
-        sample_buf = big_sample_buf;
-        sample_buf_count = big_sample_buf_count;
-        resample_buf = big_resample_buf;
-    }
-    if(dsp->tdspeed_active)
+    if (dsp->tdspeed_active)
         count = tdspeed_est_output_size();
     if (dsp->resample)
     {
@@ -1324,7 +1298,7 @@ int dsp_input_count(struct dsp_config *dsp, int count)
                       dsp->data.resample_data.delta) >> 16);
     }
 
-    if(dsp->tdspeed_active)
+    if (dsp->tdspeed_active)
         count = tdspeed_est_input_size(count);
 
     return count;
@@ -1464,6 +1438,19 @@ intptr_t dsp_configure(struct dsp_config *dsp, int setting, intptr_t value)
         return 0;
     }
 
+    if (!dsp->tdspeed_active)
+    {
+        sample_buf = small_sample_buf;
+        resample_buf = small_resample_buf;
+        sample_buf_count = SMALL_SAMPLE_BUF_COUNT;
+    }
+    else
+    {
+        sample_buf = big_sample_buf;
+        sample_buf_count = big_sample_buf_count;
+        resample_buf = big_resample_buf;
+    }
+
     return 1;
 }
 
diff --git a/apps/main.c b/apps/main.c
index 642ec5be08..c899912e22 100644
--- a/apps/main.c
+++ b/apps/main.c
@@ -336,6 +336,9 @@ static void init(void)
 
     scrobbler_init();
     cuesheet_init();
+#if CONFIG_CODEC == SWCODEC
+    tdspeed_init();
+#endif /* CONFIG_CODEC == SWCODEC */
 
     audio_init();
     button_clear_queue(); /* Empty the keyboard buffer */
@@ -549,6 +552,9 @@ static void init(void)
     filetype_init();
     scrobbler_init();
     cuesheet_init();
+#if CONFIG_CODEC == SWCODEC
+    tdspeed_init();
+#endif /* CONFIG_CODEC == SWCODEC */
 
 #if CONFIG_CODEC != SWCODEC
     /* No buffer allocation (see buffer.c) may take place after the call to
diff --git a/apps/tdspeed.c b/apps/tdspeed.c
index 67f749f6c3..f365e95e03 100644
--- a/apps/tdspeed.c
+++ b/apps/tdspeed.c
@@ -54,11 +54,8 @@ static struct tdspeed_state_s tdspeed_state;
 static int32_t *overlap_buffer[2] = { NULL, NULL };
 static int32_t *outbuf[2] = { NULL, NULL };
 
-bool tdspeed_init(int samplerate, bool stereo, int factor)
+void tdspeed_init()
 {
-    struct tdspeed_state_s *st = &tdspeed_state;
-    int src_frame_sz;
-
     /* Allocate buffers */
     if (overlap_buffer[0] == NULL)
         overlap_buffer[0] = (int32_t *) buffer_alloc(FIXED_BUFSIZE * sizeof(int32_t));
@@ -68,6 +65,19 @@ bool tdspeed_init(int samplerate, bool stereo, int factor)
         outbuf[0] = (int32_t *) buffer_alloc(TDSPEED_OUTBUFSIZE * sizeof(int32_t));
     if (outbuf[1] == NULL)
         outbuf[1] = (int32_t *) buffer_alloc(TDSPEED_OUTBUFSIZE * sizeof(int32_t));
+}
+
+
+bool tdspeed_config(int samplerate, bool stereo, int factor)
+{
+    struct tdspeed_state_s *st = &tdspeed_state;
+    int src_frame_sz;
+
+    /* Check buffers were allocated ok */
+    if (overlap_buffer[0] == NULL || overlap_buffer[1] == NULL)
+        return false;
+    if (outbuf[0] == NULL || outbuf[1] == NULL)
+        return false;
 
     /* Check parameters */
     if (factor == 100)
diff --git a/apps/tdspeed.h b/apps/tdspeed.h
index 6d7cecdcdf..72acebebf8 100644
--- a/apps/tdspeed.h
+++ b/apps/tdspeed.h
@@ -25,7 +25,8 @@
 
 #define TDSPEED_OUTBUFSIZE 4096
 
-bool tdspeed_init(int samplerate, bool stereo, int factor);
+void tdspeed_init();
+bool tdspeed_config(int samplerate, bool stereo, int factor);
 long tdspeed_est_output_size(void);
 long tdspeed_est_input_size(long size);
 int tdspeed_doit(int32_t *src[], int count);
-- 
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