obs-studio/test/test-input/test-random.c

94 lines
1.9 KiB
C

#include <stdlib.h>
#include <obs.h>
struct random_tex {
texture_t texture;
};
static const char *random_getname(const char *locale)
{
UNUSED_PARAMETER(locale);
return "20x20 Random Pixel Texture Source (Test)";
}
static void random_destroy(void *data)
{
struct random_tex *rt = data;
if (rt) {
gs_entercontext(obs_graphics());
texture_destroy(rt->texture);
bfree(rt);
gs_leavecontext();
}
}
static void *random_create(obs_data_t settings, obs_source_t source)
{
struct random_tex *rt = bzalloc(sizeof(struct random_tex));
uint32_t *pixels = bmalloc(20*20*4);
size_t x, y;
for (y = 0; y < 20; y++) {
for (x = 0; x < 20; x++) {
uint32_t pixel = 0xFF000000;
pixel |= (rand()%256);
pixel |= (rand()%256) << 8;
pixel |= (rand()%256) << 16;
//pixel |= 0xFFFFFFFF;
pixels[y*20 + x] = pixel;
}
}
gs_entercontext(obs_graphics());
rt->texture = gs_create_texture(20, 20, GS_RGBA, 1,
(const void**)&pixels, 0);
bfree(pixels);
if (!rt->texture) {
random_destroy(rt);
return NULL;
}
gs_leavecontext();
UNUSED_PARAMETER(settings);
UNUSED_PARAMETER(source);
return rt;
}
static void random_video_render(void *data, effect_t effect)
{
struct random_tex *rt = data;
eparam_t image = effect_getparambyname(effect, "image");
effect_settexture(effect, image, rt->texture);
gs_draw_sprite(rt->texture, 0, 0, 0);
}
static uint32_t random_getwidth(void *data)
{
struct random_tex *rt = data;
return texture_getwidth(rt->texture);
}
static uint32_t random_getheight(void *data)
{
struct random_tex *rt = data;
return texture_getheight(rt->texture);
}
struct obs_source_info test_random = {
.id = "random",
.type = OBS_SOURCE_TYPE_INPUT,
.output_flags = OBS_SOURCE_VIDEO,
.getname = random_getname,
.create = random_create,
.destroy = random_destroy,
.video_render = random_video_render,
.getwidth = random_getwidth,
.getheight = random_getheight
};