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	loopback: pass all latency to the other stream
Latency configured on one streams needs to be passed directly to the other stream.
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					 1 changed files with 17 additions and 10 deletions
				
			
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			@ -165,7 +165,8 @@ static void capture_process(void *d)
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		pw_stream_queue_buffer(impl->playback, out);
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}
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static void param_latency_changed(struct impl *impl, const struct spa_pod *param)
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static void param_latency_changed(struct impl *impl, const struct spa_pod *param,
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		struct pw_stream *other)
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{
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	struct spa_latency_info latency;
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	uint8_t buffer[1024];
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			@ -177,20 +178,16 @@ static void param_latency_changed(struct impl *impl, const struct spa_pod *param
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	spa_pod_builder_init(&b, buffer, sizeof(buffer));
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	params[0] = spa_latency_build(&b, SPA_PARAM_Latency, &latency);
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	if (latency.direction == SPA_DIRECTION_INPUT)
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		pw_stream_update_params(impl->capture, params, 1);
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	else
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		pw_stream_update_params(impl->playback, params, 1);
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	pw_stream_update_params(other, params, 1);
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}
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static void param_changed(void *data, uint32_t id, const struct spa_pod *param)
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static void capture_param_changed(void *data, uint32_t id, const struct spa_pod *param)
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{
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	struct impl *impl = data;
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	switch (id) {
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	case SPA_PARAM_Latency:
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		param_latency_changed(impl, param);
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		param_latency_changed(impl, param, impl->playback);
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		break;
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	}
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}
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			@ -199,7 +196,7 @@ static const struct pw_stream_events in_stream_events = {
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	PW_VERSION_STREAM_EVENTS,
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	.destroy = capture_destroy,
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	.process = capture_process,
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	.param_changed = param_changed,
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	.param_changed = capture_param_changed,
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};
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static void playback_destroy(void *d)
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			@ -209,10 +206,20 @@ static void playback_destroy(void *d)
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	impl->playback = NULL;
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}
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static void playback_param_changed(void *data, uint32_t id, const struct spa_pod *param)
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{
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	struct impl *impl = data;
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	switch (id) {
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	case SPA_PARAM_Latency:
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		param_latency_changed(impl, param, impl->capture);
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		break;
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	}
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}
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static const struct pw_stream_events out_stream_events = {
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	PW_VERSION_STREAM_EVENTS,
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	.destroy = playback_destroy,
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	.param_changed = param_changed,
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	.param_changed = playback_param_changed,
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};
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static int setup_streams(struct impl *impl)
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