stuartl/atinysynth
1
0
Fork 0
mirror of https://github.com/sjlongland/atinysynth.git synced 2025-10-26 08:20:03 +10:00
Code Issues Releases Wiki Activity

ports/pc: Start playback when enable ≠ 0.

Browse Source 
After configuring the voices, we start playback until all channels stop.
This commit is contained in:
Stuart Longland 2017-04-09 10:13:29 +10:00
parent ba7d0598c9
commit fb59c52b71
Signed by: stuartl
GPG Key ID: F954BBBB7948D546
1 changed files with 10 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
ports/pc/main.c
View File

@ -61,7 +61,6 @@ int main(int argc, char** argv) {
argv++;
while (argc > 0) {
int res = 0;
uint32_t poly_remain = 0;
if (!strcmp(argv[0], "end"))
break;
@ -189,30 +188,30 @@ int main(int argc, char** argv) {
poly_voice[voice].adsr.sustain_amp = amp;
argv++;
argc--;
} else if (!strcmp(argv[0], "next")) {
int next = atoi(argv[1]);
_DPRINTF("compute next %d samples\n", next);
poly_remain = next;
argv++;
argc--;
} else if (!strcmp(argv[0], "reset")) {
_DPRINTF("channel %d reset\n", voice);
adsr_reset(&poly_voice[voice].adsr);
}
argv++;
argc--;
/* Play out any remaining samples */
while (poly_remain) {
if (synth.enable)
_DPRINTF("----- Start playback (0x%lx) -----\n",
synth.enable);
while (synth.enable) {
int16_t* sample_ptr = samples;
uint16_t samples_remain = 8192;
/* Fill the buffer as much as we can */
while (poly_remain && samples_remain) {
_DPRINTF("poly_remain = %d\n", poly_remain);
while (synth.enable && samples_remain) {
_DPRINTF("enable = 0x%lx\n", synth.enable);
int16_t s = poly_synth_next(&synth);
*sample_ptr = s << 8;
sample_ptr++;
samples_sz++;
samples_remain--;
poly_remain--;
}
fwrite(samples, samples_sz, 2, out);
ao_play(device, (char*)samples, 2*samples_sz);