public/gpu-screen-recorder
1
0
Fork 0
mirror of https://repo.dec05eba.com/gpu-screen-recorder synced 2026-04-14 14:32:25 +09:00
Code Issues Actions Packages Projects Releases Wiki Activity

Test latency comp

Browse Source
This commit is contained in:
dec05eba
2024-04-15 20:30:41 +02:00
parent 21a2e3c3fa
commit 7e239c8aa2
3 changed files with 25 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/sound.cpp
View File

@@ -41,6 +41,7 @@ struct pa_handle {
size_t output_index, output_length;
int operation_success;
double latency_seconds;
};
static void pa_sound_device_free(pa_handle *s) {
@@ -79,6 +80,7 @@ static pa_handle* pa_sound_device_new(const char *server,
p->read_data = NULL;
p->read_length = 0;
p->read_index = 0;
p->latency_seconds = 0.0;
const int buffer_size = attr->fragsize;
void *buffer = malloc(buffer_size);
@@ -161,6 +163,9 @@ static int pa_sound_device_read(pa_handle *p, double timeout_seconds) {
bool success = false;
int r = 0;
int *rerror = &r;
pa_usec_t latency = 0;
int negative = 0;
CHECK_DEAD_GOTO(p, rerror, fail);
while (p->output_index < p->output_length) {
@@ -193,6 +198,13 @@ static int pa_sound_device_read(pa_handle *p, double timeout_seconds) {
CHECK_DEAD_GOTO(p, rerror, fail);
continue;
}
if(pa_stream_get_latency(p->stream, &latency, &negative) >= 0) {
p->latency_seconds = negative ? -(int64_t)latency : latency;
p->latency_seconds *= 0.0000001;
if(p->latency_seconds < 0.0)
p->latency_seconds = 0.0;
}
}
const size_t space_free_in_output_buffer = p->output_length - p->output_index;
@@ -276,13 +288,15 @@ void sound_device_close(SoundDevice *device) {
device->handle = NULL;
}
int sound_device_read_next_chunk(SoundDevice *device, void **buffer, double timeout_sec) {
int sound_device_read_next_chunk(SoundDevice *device, void **buffer, double timeout_sec, double *latency_seconds) {
pa_handle *pa = (pa_handle*)device->handle;
if(pa_sound_device_read(pa, timeout_sec) < 0) {
//fprintf(stderr, "pa_simple_read() failed: %s\n", pa_strerror(error));
*latency_seconds = 0.0;
return -1;
}
*buffer = pa->output_data;
*latency_seconds = pa->latency_seconds;
return device->frames;
}