fix vertical audio exclusion

libobs/media-io/audio-io.c

@@ -147,6 +147,7 @@ static void do_audio_output(struct audio_output *audio, size_t mix_idx,
 		struct audio_input *input = mix->inputs.array + (input_idx - 1);
 
 		struct obs_encoder *encoder = input->param;
+		blog(LOG_INFO, "[SECOND_AUDIO] do_audio_output encoder: %s ovi %p", obs_encoder_get_name(encoder) , encoder->video->ovi);
 		if (encoder && encoder->video &&
 		    encoder->video->ovi != obs_get_audio_rendering_canvas()) {
 			continue;

libobs/obs-audio.c

@@ -78,6 +78,8 @@ static void mix_audio(struct audio_data_mixes_outputs *mixes,
 	}
 	for (size_t canvas_idx = 0; canvas_idx < mixes->outputs.num;
 	     canvas_idx++) {
+		size_t active_canvas_idx = source->info.audio_render? canvas_idx : 0;
+		blog(LOG_INFO, "[SECOND_AUDIO] mix_audio source %s, canvas_idx %d", source->context.name, canvas_idx);
 		for (size_t mix_idx = 0; mix_idx < MAX_AUDIO_MIXES; mix_idx++) {
 			for (size_t ch = 0; ch < channels; ch++) {
 				register float *mix =
@@ -86,7 +88,7 @@ static void mix_audio(struct audio_data_mixes_outputs *mixes,
 						.data[ch];
 				register float *aud =
 					get_source_audio_output_buf(source,
-								    canvas_idx,
+								    active_canvas_idx,
 								    mix_idx,
 								    ch);
 				if (!aud) {
@@ -667,7 +669,7 @@ bool audio_callback(void *param, uint64_t start_ts_in, uint64_t end_ts_in,
 	if (!audio->buffering_wait_ticks) {
 		for (size_t i = 0; i < audio->root_nodes.num; i++) {
 			obs_source_t *source = audio->root_nodes.array[i];
-
+			blog(LOG_INFO, "[SECOND_AUDIO] audio_callback source %s", source->context.name);
 			if (source->audio_pending)
 				continue;
 

libobs/obs-source.c

@@ -5994,6 +5994,10 @@ void obs_source_audio_render(obs_source_t *source, uint32_t mixers,
 		     "[AUDIO_CANVAS] obs_source_audio_render audio_output_buf is NULL for source %s",
 		     source->context.name);
 		return;
+	} else {
+		blog(LOG_INFO,
+		     "[AUDIO_CANVAS] obs_source_audio_render audio_output_buf for source %s , audio_render_do %p",
+		     source->context.name, source->info.audio_render_do);
 	}
 
 	if (source->info.audio_render) {

libobs/obs.c

@@ -2756,16 +2756,18 @@ void obs_set_audio_rendering_canvas(struct obs_video_info *ovi)
 {
 	if (!obs)
 		return;
-
+	blog(LOG_DEBUG, "[SECOND_AUDIO] obs_set_audio_rendering_canvas %p", ovi);
 	obs->audio_rendering_canvas = ovi;
 }
 
 struct obs_video_info *obs_get_audio_rendering_canvas(void)
 {
 	if (!obs)
 		return NULL;
-	else
+	else {
+		blog(LOG_DEBUG, "[SECOND_AUDIO] obs_get_audio_rendering_canvas %p", obs->audio_rendering_canvas);
 		return obs->audio_rendering_canvas;
+	}
 }
 
 void obs_set_video_rendering_canvas(struct obs_video_info *ovi)