bool fade_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 fade_info *fade = data;
return obs_transition_audio_render(fade->source, ts_out,
audio, mixers, channels, sample_rate, mix_a, mix_b);
}
static bool stinger_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 stinger_info *s = data;
uint64_t ts = 0;
if (!obs_source_audio_pending(s->media_source)) {
ts = obs_source_get_audio_timestamp(s->media_source);
if (!ts)
return false;
}
bool success = obs_transition_audio_render(s->source, ts_out,
audio, mixers, channels, sample_rate, s->mix_a, s->mix_b);
if (!ts)
return success;
if (!*ts_out || ts < *ts_out)
*ts_out = ts;
struct obs_source_audio_mix child_audio;
obs_source_get_audio_mix(s->media_source, &child_audio);
for (size_t mix = 0; mix < MAX_AUDIO_MIXES; mix++) {
if ((mixers & (1 << mix)) == 0)
continue;
for (size_t ch = 0; ch < channels; ch++) {
register float *out = audio->output[mix].data[ch];
register float *in = child_audio.output[mix].data[ch];
register float *end = in + AUDIO_OUTPUT_FRAMES;
while (in < end)
*(out++) += *(in++);
}
}
return true;
}