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mirror of https://github.com/obsproject/obs-studio.git synced 2024-09-20 13:08:50 +02:00

image-source: Use gs_image_file (adds animated gif support)

This commit is contained in:
jp9000 2016-01-17 17:41:53 -08:00
parent ebadd359c0
commit 423f5ea1fc

View File

@ -1,4 +1,5 @@
#include <obs-module.h>
#include <graphics/image-file.h>
#include <util/platform.h>
#include <sys/stat.h>
@ -20,10 +21,9 @@ struct image_source {
bool persistent;
time_t file_timestamp;
float update_time_elapsed;
uint64_t last_time;
gs_texture_t *tex;
uint32_t cx;
uint32_t cy;
gs_image_file_t image;
};
@ -45,38 +45,28 @@ static void image_source_load(struct image_source *context)
char *file = context->file;
obs_enter_graphics();
if (context->tex)
gs_texture_destroy(context->tex);
context->tex = NULL;
gs_image_file_free(&context->image);
obs_leave_graphics();
if (file && *file) {
debug("loading texture '%s'", file);
context->file_timestamp = get_modified_timestamp(file);
context->tex = gs_texture_create_from_file(file);
gs_image_file_init(&context->image, file);
context->update_time_elapsed = 0;
if (context->tex) {
context->cx = gs_texture_get_width(context->tex);
context->cy = gs_texture_get_height(context->tex);
} else {
warn("failed to load texture '%s'", file);
context->cx = 0;
context->cy = 0;
}
}
obs_enter_graphics();
gs_image_file_init_texture(&context->image);
obs_leave_graphics();
if (!context->image.loaded)
warn("failed to load texture '%s'", file);
}
}
static void image_source_unload(struct image_source *context)
{
obs_enter_graphics();
if (context->tex)
gs_texture_destroy(context->tex);
context->tex = NULL;
gs_image_file_free(&context->image);
obs_leave_graphics();
}
@ -142,31 +132,46 @@ static void image_source_destroy(void *data)
static uint32_t image_source_getwidth(void *data)
{
struct image_source *context = data;
return context->cx;
return context->image.cx;
}
static uint32_t image_source_getheight(void *data)
{
struct image_source *context = data;
return context->cy;
return context->image.cy;
}
static void image_source_render(void *data, gs_effect_t *effect)
{
struct image_source *context = data;
if (!context->tex)
if (!context->image.texture)
return;
gs_reset_blend_state();
gs_effect_set_texture(gs_effect_get_param_by_name(effect, "image"),
context->tex);
gs_draw_sprite(context->tex, 0, context->cx, context->cy);
context->image.texture);
gs_draw_sprite(context->image.texture, 0,
context->image.cx, context->image.cy);
}
static void image_source_tick(void *data, float seconds)
{
struct image_source *context = data;
uint64_t frame_time = obs_get_video_frame_time();
if (context->last_time && context->image.is_animated_gif) {
uint64_t elapsed = frame_time - context->last_time;
bool updated = gs_image_file_tick(&context->image, elapsed);
if (updated) {
obs_enter_graphics();
gs_image_file_update_texture(&context->image);
obs_leave_graphics();
}
}
context->last_time = frame_time;
if (!obs_source_showing(context->source)) return;