106 lines
2.1 KiB
C
106 lines
2.1 KiB
C
#include <stdlib.h>
|
|
#include <util/threading.h>
|
|
#include <util/platform.h>
|
|
#include <obs.h>
|
|
|
|
struct random_tex {
|
|
obs_source_t *source;
|
|
os_event_t *stop_signal;
|
|
pthread_t thread;
|
|
bool initialized;
|
|
};
|
|
|
|
static const char *random_getname(void)
|
|
{
|
|
return "20x20 Random Pixel Texture Source (Test)";
|
|
}
|
|
|
|
static void random_destroy(void *data)
|
|
{
|
|
struct random_tex *rt = data;
|
|
|
|
if (rt) {
|
|
if (rt->initialized) {
|
|
os_event_signal(rt->stop_signal);
|
|
pthread_join(rt->thread, NULL);
|
|
}
|
|
|
|
os_event_destroy(rt->stop_signal);
|
|
bfree(rt);
|
|
}
|
|
}
|
|
|
|
static inline void fill_texture(uint32_t *pixels)
|
|
{
|
|
size_t x, y;
|
|
|
|
for (y = 0; y < 20; y++) {
|
|
for (x = 0; x < 20; x++) {
|
|
uint32_t pixel = 0;
|
|
pixel |= (rand()%256);
|
|
pixel |= (rand()%256) << 8;
|
|
pixel |= (rand()%256) << 16;
|
|
//pixel |= (rand()%256) << 24;
|
|
//pixel |= 0xFFFFFFFF;
|
|
pixels[y*20 + x] = pixel;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void *video_thread(void *data)
|
|
{
|
|
struct random_tex *rt = data;
|
|
uint32_t pixels[20*20];
|
|
uint64_t cur_time = os_gettime_ns();
|
|
|
|
struct obs_source_frame frame = {
|
|
.data = {[0] = (uint8_t*)pixels},
|
|
.linesize = {[0] = 20*4},
|
|
.width = 20,
|
|
.height = 20,
|
|
.format = VIDEO_FORMAT_BGRX
|
|
};
|
|
|
|
while (os_event_try(rt->stop_signal) == EAGAIN) {
|
|
fill_texture(pixels);
|
|
|
|
frame.timestamp = cur_time;
|
|
|
|
obs_source_output_video(rt->source, &frame);
|
|
|
|
os_sleepto_ns(cur_time += 250000000);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void *random_create(obs_data_t *settings, obs_source_t *source)
|
|
{
|
|
struct random_tex *rt = bzalloc(sizeof(struct random_tex));
|
|
rt->source = source;
|
|
|
|
if (os_event_init(&rt->stop_signal, OS_EVENT_TYPE_MANUAL) != 0) {
|
|
random_destroy(rt);
|
|
return NULL;
|
|
}
|
|
|
|
if (pthread_create(&rt->thread, NULL, video_thread, rt) != 0) {
|
|
random_destroy(rt);
|
|
return NULL;
|
|
}
|
|
|
|
rt->initialized = true;
|
|
|
|
UNUSED_PARAMETER(settings);
|
|
UNUSED_PARAMETER(source);
|
|
return rt;
|
|
}
|
|
|
|
struct obs_source_info test_random = {
|
|
.id = "random",
|
|
.type = OBS_SOURCE_TYPE_INPUT,
|
|
.output_flags = OBS_SOURCE_ASYNC_VIDEO,
|
|
.get_name = random_getname,
|
|
.create = random_create,
|
|
.destroy = random_destroy,
|
|
};
|