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Dynamically allocate audio frame buffer memory

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jfreegman 2020-10-25 15:37:45 -04:00
parent 4d96d6a753
commit 478762f76c
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GPG Key ID: 3627F3144076AE63
1 changed files with 13 additions and 6 deletions
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19
src/audio_device.c
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@ -452,15 +452,21 @@ inline__ DeviceError write_out(uint32_t device_idx, const int16_t *data, uint32_
return de_None; return de_None;
} }
#define FRAME_BUF_SIZE 16000
void *thread_poll(void *arg) // TODO: maybe use thread for every input source void *thread_poll(void *arg) // TODO: maybe use thread for every input source
{ {
/* /*
* NOTE: We only need to poll input devices for data. * NOTE: We only need to poll input devices for data.
*/ */
UNUSED_VAR(arg); UNUSED_VAR(arg);
uint32_t i;
int32_t sample = 0; int32_t sample = 0;
int16_t *frame_buf = malloc(FRAME_BUF_SIZE * sizeof(int16_t));
if (frame_buf == NULL) {
exit_toxic_err("failed in thread_poll", FATALERR_MEMORY);
}
while (1) { while (1) {
lock; lock;
@ -479,7 +485,7 @@ void *thread_poll(void *arg) // TODO: maybe use thread for every input source
} }
else { else {
for (i = 0; i < size[input]; ++i) { for (uint32_t i = 0; i < size[input]; ++i) {
lock; lock;
if (running[input][i] != NULL) { if (running[input][i] != NULL) {
@ -487,15 +493,14 @@ void *thread_poll(void *arg) // TODO: maybe use thread for every input source
int f_size = (running[input][i]->sample_rate * running[input][i]->frame_duration / 1000); int f_size = (running[input][i]->sample_rate * running[input][i]->frame_duration / 1000);
if (sample < f_size) { if (sample < f_size || f_size > FRAME_BUF_SIZE) {
unlock; unlock;
continue; continue;
} }
Device *device = running[input][i]; Device *device = running[input][i];
int16_t frame[16000]; alcCaptureSamples(device->dhndl, frame_buf, f_size);
alcCaptureSamples(device->dhndl, frame, f_size);
if (device->muted) { if (device->muted) {
unlock; unlock;
@ -503,7 +508,7 @@ void *thread_poll(void *arg) // TODO: maybe use thread for every input source
} }
if (device->cb) { if (device->cb) {
device->cb(frame, f_size, device->cb_data); device->cb(frame_buf, f_size, device->cb_data);
} }
} }
@ -514,6 +519,8 @@ void *thread_poll(void *arg) // TODO: maybe use thread for every input source
} }
} }
free(frame_buf);
pthread_exit(NULL); pthread_exit(NULL);
} }