From 28630efa5e905f501f267e5e105d184ec5dd379a Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Thu, 10 Sep 2009 09:34:52 +0000
Subject: Some changes regharding minimizing the memory usage when loading
 audio files.

---
 src/audiofile.cc     | 14 ++++++++++++--
 src/drumgizmo.cc     | 26 ++++++++++++++++----------
 src/drumkitparser.cc |  2 +-
 src/saxparser.cc     |  1 +
 src/velocity.cc      |  2 ++
 5 files changed, 32 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/audiofile.cc b/src/audiofile.cc
index b8b4ef9..a556bca 100644
--- a/src/audiofile.cc
+++ b/src/audiofile.cc
@@ -63,6 +63,7 @@ void AudioFile::unload()
   size = 0;
 }
 
+#define THRESHOLD 0.0001
 void AudioFile::load()
 {
   if(data) return;
@@ -71,15 +72,24 @@ void AudioFile::load()
 	SNDFILE *fh = sf_open(filename.c_str(), SFM_READ, &sf_info);
 
 	size = sf_seek(fh, 0, SEEK_END);
-	data = (jack_default_audio_sample_t*)malloc(sizeof(jack_default_audio_sample_t)*size);
+	jack_default_audio_sample_t* tmp_data = (jack_default_audio_sample_t*)malloc(sizeof(jack_default_audio_sample_t)*size);
 
   //	printf("Loading %s, %d samples\n", filename.c_str(), size);
 
 	sf_seek(fh, 0, SEEK_SET);
-	sf_read_float(fh, data, size); 
+	sf_read_float(fh, tmp_data, size); 
 
   //  for(size_t i = 0; i < size; i++) data[i] *= 0.1;
 
 	sf_close(fh);
+
+  // Find real size (crop 'silence')
+  while(size > 0 && tmp_data[size--] < THRESHOLD) {}
+	data = (jack_default_audio_sample_t*)malloc(sizeof(jack_default_audio_sample_t)*size);
+  for(size_t i = 0; i < size; i++) data[i] = tmp_data[i];
+  // ramp down
+  //  if(size > 1024) for(size_t i = 1024; i >= 0; i--) data[size - i] *= (float)i/1024.0;
+  free(tmp_data);
+
 }
 
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index cfc8ad5..a4d863f 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -29,6 +29,7 @@
 #include "jackclient.h"
 #include "drumkitparser.h"
 #include "midiplayer.h"
+#include <string.h>
 
 static const char version_str[] =
 "DrumGizmo v" VERSION "\n"
@@ -59,7 +60,7 @@ int main(int argc, char *argv[])
 
   char *midifile = NULL;
   bool preload = true;
-  int min_velocity = 18;
+  int min_velocity = 0;//18;
 
   int option_index = 0;
   while(1) {
@@ -107,19 +108,24 @@ int main(int argc, char *argv[])
     }
   }
 
-  if(argc < option_index + 2) {
+  std::string kitfile;
+
+  if(option_index < argc) {
+    printf("non-option ARGV-elements: ");
+    while (optind < argc) {
+      if(kitfile != "") {
+        fprintf(stderr, "Can only handle a single kitfile.\n");
+        printf(usage_str, argv[0]);
+        return 1;
+      }
+      kitfile = argv[optind++];
+    }
+    printf("\n");
+  } else {
     fprintf(stderr, "Missing kitfile.\n");
     printf(usage_str, argv[0]);
     return 1;
   }
-
-  if(argc > option_index + 2) {
-    fprintf(stderr, "Can only handle a single kitfile.\n");
-    printf(usage_str, argv[0]);
-    return 1;
-  }
-
-  std::string kitfile = argv[option_index + 1];
   
   printf("Using kitfile: %s\n", kitfile.c_str());
 
diff --git a/src/drumkitparser.cc b/src/drumkitparser.cc
index ae557dd..e18d262 100644
--- a/src/drumkitparser.cc
+++ b/src/drumkitparser.cc
@@ -25,7 +25,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  */
 #include "drumkitparser.h"
-
+#include <string.h>
 #define DIR_SEPERATOR '/'
 
 DrumKitParser::DrumKitParser(std::string kitfile, bool preload, int min_velocity)
diff --git a/src/saxparser.cc b/src/saxparser.cc
index 89f426b..19c6142 100644
--- a/src/saxparser.cc
+++ b/src/saxparser.cc
@@ -25,6 +25,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  */
 #include "saxparser.h"
+#include <string.h>
 
 static void character_hndl(void *p, const XML_Char *s, int len)
 {
diff --git a/src/velocity.cc b/src/velocity.cc
index 4ff398c..319dc82 100644
--- a/src/velocity.cc
+++ b/src/velocity.cc
@@ -26,6 +26,8 @@
  */
 #include "velocity.h"
 
+#include <stdlib.h>
+
 Velocity::Velocity(unsigned int lower, unsigned int upper)
 {
   this->lower = lower;
-- 
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