From 4175514337bf3782755710162d3e30f3baf6e2d4 Mon Sep 17 00:00:00 2001
From: waker <wakeroid@gmail.com>
Date: Fri, 20 May 2011 22:00:25 +0200
Subject: added automatic samplerate option to resampler, as it was done in
 0.4.4

---
 plugins/dsp_libsrc/src.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'plugins/dsp_libsrc/src.c')

diff --git a/plugins/dsp_libsrc/src.c b/plugins/dsp_libsrc/src.c
index 2c909e3d..76262f37 100644
--- a/plugins/dsp_libsrc/src.c
+++ b/plugins/dsp_libsrc/src.c
@@ -39,6 +39,7 @@ typedef struct {
     int channels;
     int quality;
     float samplerate;
+    int autosamplerate;
     SRC_STATE *src;
     SRC_DATA srcdata;
     int remaining; // number of input samples in SRC buffer
@@ -88,7 +89,13 @@ int
 ddb_src_process (ddb_dsp_context_t *_src, float *samples, int nframes, int maxframes, ddb_waveformat_t *fmt, float *r) {
     ddb_src_libsamplerate_t *src = (ddb_src_libsamplerate_t*)_src;
 
-    if (fmt->samplerate == src->samplerate) {
+    int samplerate = src->samplerate;
+    if (src->autosamplerate) {
+        DB_output_t *output = deadbeef->get_output ();
+        samplerate = output->fmt.samplerate;
+    }
+
+    if (fmt->samplerate == samplerate) {
         return nframes;
     }
 
@@ -104,9 +111,9 @@ ddb_src_process (ddb_dsp_context_t *_src, float *samples, int nframes, int maxfr
         src->need_reset = 0;
     }
 
-    float ratio = src->samplerate / fmt->samplerate;
+    float ratio = samplerate / fmt->samplerate;
     ddb_src_set_ratio (_src, ratio);
-    fmt->samplerate = src->samplerate;
+    fmt->samplerate = samplerate;
 
     int numoutframes = 0;
     int outsize = nframes*24;
@@ -177,7 +184,7 @@ ddb_src_process (ddb_dsp_context_t *_src, float *samples, int nframes, int maxfr
     //}
     //fwrite (input, 1,  numoutframes*sizeof(float)*(*nchannels), out);
 
-    fmt->samplerate = src->samplerate;
+    fmt->samplerate = samplerate;
     trace ("src: ratio=%f, in=%d, out=%d\n", ratio, nframes, numoutframes);
     return numoutframes;
 }
@@ -194,6 +201,8 @@ ddb_src_get_param_name (int p) {
         return "Quality";
     case SRC_PARAM_SAMPLERATE:
         return "Samplerate";
+    case SRC_PARAM_AUTOSAMPLERATE:
+        return "Auto samplerate";
     default:
         fprintf (stderr, "ddb_src_get_param_name: invalid param index (%d)\n", p);
     }
@@ -215,6 +224,9 @@ ddb_src_set_param (ddb_dsp_context_t *ctx, int p, const char *val) {
         ((ddb_src_libsamplerate_t*)ctx)->quality = atoi (val);
         ((ddb_src_libsamplerate_t*)ctx)->quality_changed = 1;
         break;
+    case SRC_PARAM_AUTOSAMPLERATE:
+        ((ddb_src_libsamplerate_t*)ctx)->autosamplerate = atoi (val);
+        break;
     default:
         fprintf (stderr, "ddb_src_set_param: invalid param index (%d)\n", p);
     }
@@ -229,12 +241,16 @@ ddb_src_get_param (ddb_dsp_context_t *ctx, int p, char *val, int sz) {
     case SRC_PARAM_QUALITY:
         snprintf (val, sz, "%d", ((ddb_src_libsamplerate_t*)ctx)->quality);
         break;
+    case SRC_PARAM_AUTOSAMPLERATE:
+        snprintf (val, sz, "%d", ((ddb_src_libsamplerate_t*)ctx)->autosamplerate);
+        break;
     default:
         fprintf (stderr, "ddb_src_get_param: invalid param index (%d)\n", p);
     }
 }
 
 static const char settings_dlg[] =
+    "property \"Automatic Samplerate (overrides Target Samplerate)\" checkbox 2 0;\n"
     "property \"Target Samplerate\" spinbtn[8192,192000,1] 0 48000;\n"
     "property \"Quality / Algorythm\" select[5] 1 2 SINC_BEST_QUALITY SINC_MEDIUM_QUALITY SINC_FASTEST ZERO_ORDER_HOLD LINEAR;\n"
 ;
-- 
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