obs-studio/plugins/obs-transitions/transition-cut.c

68 lines
1.4 KiB
C

#include <obs-module.h>
struct cut_info {
obs_source_t *source;
};
static const char *cut_get_name(void *type_data)
{
UNUSED_PARAMETER(type_data);
return obs_module_text("CutTransition");
}
void *cut_create(obs_data_t *settings, obs_source_t *source)
{
struct cut_info *cut;
cut = bmalloc(sizeof(*cut));
cut->source = source;
obs_transition_enable_fixed(source, true, 0);
UNUSED_PARAMETER(settings);
return cut;
}
void cut_destroy(void *data)
{
struct cut_info *cut = data;
bfree(cut);
}
void cut_video_render(void *data, gs_effect_t *effect)
{
struct cut_info *cut = data;
obs_transition_video_render(cut->source, NULL);
UNUSED_PARAMETER(effect);
}
static float mix_a(void *data, float t)
{
UNUSED_PARAMETER(data);
return 1.0f - t;
}
static float mix_b(void *data, float t)
{
UNUSED_PARAMETER(data);
return t;
}
bool cut_audio_render(void *data, uint64_t *ts_out,
struct obs_source_audio_mix *audio, uint32_t mixers,
size_t channels, size_t sample_rate)
{
struct cut_info *cut = data;
return obs_transition_audio_render(cut->source, ts_out,
audio, mixers, channels, sample_rate, mix_a, mix_b);
}
struct obs_source_info cut_transition = {
.id = "cut_transition",
.type = OBS_SOURCE_TYPE_TRANSITION,
.get_name = cut_get_name,
.create = cut_create,
.destroy = cut_destroy,
.video_render = cut_video_render,
.audio_render = cut_audio_render,
};