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authorLudovic Pouzenc <ludovic@pouzenc.fr>2012-06-16 22:29:33 +0000
committerLudovic Pouzenc <ludovic@pouzenc.fr>2012-06-16 22:29:33 +0000
commit797149c5a9ee0c7c70947f72cbaece5efd3dd687 (patch)
tree1c5a8e9dcb09c08e7741c806650c5ef1163387d0 /src/music2light.c
parent593e1cbe3470f409c19a7f06f5d10c6f5677361a (diff)
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Création du source tree princpal. Les routines de maths pour calculer le gain déconnent encore je trouve.
Reste à intégrer la partie DMX et a améliorer tout ce qui a été laissé de côté... git-svn-id: file:///var/svn/2012-violon-leds/trunk@20 6be1fa4d-33ac-4c33-becc-79fcb3794bb6
Diffstat (limited to 'src/music2light.c')
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1 files changed, 80 insertions, 0 deletions
diff --git a/src/music2light.c b/src/music2light.c
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+++ b/src/music2light.c
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+#include <gtk/gtk.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include "gtkvumeter.h"
+#include "win_main.h"
+#include "compute.h"
+#include "capture.h"
+#include "hsv2rgb.h"
+
+gint *audio_vumeter_val, *light_h, *light_s, *light_v, *light_r, *light_g, *light_b;
+void my_process(float *data, size_t nsamples, size_t nchan);
+
+int main (int argc, char **argv) {
+ GtkWidget *mainwin;
+ gint vals_for_vumeters[7]={0,0,0,0,0,0,0}; //sound,h,s,v,r,g,b
+ //Some handy references to the previous array items to make things clear whenever possible
+ audio_vumeter_val=vals_for_vumeters+0;
+ light_h=vals_for_vumeters+1;
+ light_s=vals_for_vumeters+2;
+ light_v=vals_for_vumeters+3;
+ light_r=vals_for_vumeters+4;
+ light_g=vals_for_vumeters+5;
+ light_b=vals_for_vumeters+6;
+
+ pthread_t audio_analyzer;
+
+ g_thread_init(NULL);
+ gdk_threads_init();
+ gdk_threads_enter();
+ gtk_init (&argc, &argv);
+
+ mainwin=win_main_build();
+ gtk_widget_show_all (mainwin);
+
+ printf("debug : main my_process==%p\n", my_process);
+ printf("debug : main (void *)my_process==%p\n", (void *)my_process);
+ pthread_create (&audio_analyzer, (void *)NULL, (void *)audio_thread, (void *)my_process);
+ g_timeout_add (25, win_main_update_vumeters, (gpointer)vals_for_vumeters);
+
+ gtk_main ();
+ gdk_threads_leave();
+
+ return 0;
+}
+
+void my_process(float *data, size_t nsamples, size_t nchan) {
+
+ float sound_level;
+ struct hsv_colour hsv;
+ struct rgb_colour rgb;
+
+ //FIXME : rate should came from PulseAudio
+ sound_level=compute_level(data, nsamples, 44100);
+
+// printf("sound_level==%f\n", sound_level);
+
+ // Update sound vumeter value (refreshed asynchronously)
+ *audio_vumeter_val=(int)sound_level;
+
+ // Transfert Function
+ audio2hsv_1(sound_level,&(hsv.h),&(hsv.s),&(hsv.v));
+
+ // Conversion
+ hsv2rgb(&hsv, &rgb);
+// printf("hsv %+.3f %+.3f %+.3f\n", hsv.h, hsv.s, hsv.v);
+// printf("rgb %+.3f %+.3f %+.3f\n", rgb.r, rgb.g, rgb.b);
+
+ //Update vu-meters
+ *light_h=hsv.h*255;
+ *light_s=hsv.s*255;
+ *light_v=hsv.v*255;
+
+ *light_r=rgb.r*255;
+ *light_g=rgb.g*255;
+ *light_b=rgb.b*255;
+
+ // Send to DMX
+ //TODO
+}
+