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