132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
#include <obs-module.h>
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#define warn(format, ...) \
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blog(LOG_WARNING, "[image_source: '%s'] " format, \
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obs_source_get_name(context->source), ##__VA_ARGS__)
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struct image_source {
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obs_source_t source;
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gs_texture_t tex;
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uint32_t cx;
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uint32_t cy;
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};
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static const char *image_source_get_name(void)
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{
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return obs_module_text("ImageInput");
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}
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static void image_source_update(void *data, obs_data_t settings)
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{
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struct image_source *context = data;
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const char *file = obs_data_get_string(settings, "file");
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obs_enter_graphics();
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if (context->tex) {
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gs_texture_destroy(context->tex);
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context->tex = NULL;
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}
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if (file && *file) {
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context->tex = gs_texture_create_from_file(file);
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if (context->tex) {
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context->cx = gs_texture_get_width(context->tex);
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context->cy = gs_texture_get_height(context->tex);
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} else {
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warn("failed to load texture '%s'", file);
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context->cx = 0;
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context->cy = 0;
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}
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}
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obs_leave_graphics();
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}
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static void *image_source_create(obs_data_t settings, obs_source_t source)
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{
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struct image_source *context = bzalloc(sizeof(struct image_source));
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context->source = source;
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image_source_update(context, settings);
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return context;
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}
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static void image_source_destroy(void *data)
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{
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struct image_source *context = data;
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obs_enter_graphics();
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gs_texture_destroy(context->tex);
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obs_leave_graphics();
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bfree(context);
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}
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static uint32_t image_source_getwidth(void *data)
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{
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struct image_source *context = data;
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return context->cx;
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}
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static uint32_t image_source_getheight(void *data)
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{
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struct image_source *context = data;
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return context->cy;
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}
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static void image_source_render(void *data, gs_effect_t effect)
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{
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struct image_source *context = data;
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if (!context->tex)
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return;
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gs_reset_blend_state();
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gs_effect_set_texture(gs_effect_get_param_by_name(effect, "image"),
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context->tex);
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gs_draw_sprite(context->tex, 0, context->cx, context->cy);
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}
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static const char *image_filter =
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"All formats (*.bmp *.tga *.png *.jpeg *.jpg *.gif);;"
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"BMP Files (*.bmp);;"
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"Targa Files (*.tga);;"
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"PNG Files (*.png);;"
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"JPEG Files (*.jpeg *.jpg);;"
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"GIF Files (*.gif)";
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static obs_properties_t image_source_properties(void)
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{
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obs_properties_t props = obs_properties_create();
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obs_properties_add_path(props,
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"file", obs_module_text("File"),
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OBS_PATH_FILE, image_filter, NULL);
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return props;
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}
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static struct obs_source_info image_source_info = {
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.id = "image_source",
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.type = OBS_SOURCE_TYPE_INPUT,
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.output_flags = OBS_SOURCE_VIDEO,
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.get_name = image_source_get_name,
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.create = image_source_create,
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.destroy = image_source_destroy,
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.update = image_source_update,
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.get_width = image_source_getwidth,
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.get_height = image_source_getheight,
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.video_render = image_source_render,
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.get_properties = image_source_properties
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};
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OBS_DECLARE_MODULE()
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OBS_MODULE_USE_DEFAULT_LOCALE("image-source", "en-US")
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bool obs_module_load(void)
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{
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obs_register_source(&image_source_info);
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return true;
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}
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