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authorsanine <sanine.not@pm.me>2022-08-31 14:34:38 -0500
committersanine <sanine.not@pm.me>2022-08-31 14:34:38 -0500
commit10a652728f2bc8e5f01aedf97ccc849b8ac686ba (patch)
tree6a5c5960fc22bdd30a37cc6d9aacb02a5539f54f /examples/panning.c
parent48e6520f6517f196a0a8f39bf86159075ad44c6b (diff)
update example.c and add panning example
Diffstat (limited to 'examples/panning.c')
-rw-r--r--examples/panning.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/examples/panning.c b/examples/panning.c
new file mode 100644
index 0000000..7ee9a76
--- /dev/null
+++ b/examples/panning.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <math.h>
+#include <mossrose.h>
+#include <portaudio.h>
+
+#define PI 3.14159
+
+
+#define SAMPLE_RATE 44100
+#define N_CHANNELS 8
+
+int main()
+{
+ float sine_wave[8*SAMPLE_RATE];
+ const int frequency = 440;
+ for (long i=0; i<8*SAMPLE_RATE; i++) {
+ float time = ((float)i)/SAMPLE_RATE;
+ sine_wave[i] = sin(2*PI*frequency*time);
+ }
+
+ struct mossrose_sound_t sound = {
+ .left = sine_wave, .right = NULL, .mono = true, .len = 8*SAMPLE_RATE
+ };
+
+ int err = mossrose_init(SAMPLE_RATE, N_CHANNELS, true);
+ if (err != 0)
+ fprintf(stderr, "FAILED TO INITIALIZE MOSSROSE\n");
+
+ Pa_Sleep(500);
+
+ int chan = mossrose_play(&sound, -1);
+
+ for (int i=0; i<800; i++) {
+ float time = ((float)i)/100;
+ mossrose_channel_set_pan(chan, cos(2*PI*time), 0);
+ Pa_Sleep(10);
+ }
+
+ mossrose_terminate();
+ return 0;
+}