Fix PulseAudio problems with 8 channels devices
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ab75fae564
commit
34395c6a38
2 changed files with 26 additions and 27 deletions
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@ -60,7 +60,7 @@ void AudioDriverPulseAudio::pa_sink_info_cb(pa_context *c, const pa_sink_info *l
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return;
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}
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ad->pa_channels = l->channel_map.channels;
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ad->pa_map = l->channel_map;
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ad->pa_status++;
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}
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@ -73,7 +73,7 @@ void AudioDriverPulseAudio::pa_server_info_cb(pa_context *c, const pa_server_inf
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void AudioDriverPulseAudio::detect_channels() {
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pa_channels = 2;
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pa_channel_map_init_stereo(&pa_map);
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if (device_name == "Default") {
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// Get the default output device name
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@ -129,46 +129,52 @@ Error AudioDriverPulseAudio::init_device() {
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}
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// Detect the amount of channels PulseAudio is using
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// Note: If using an even amount of channels (2, 4, etc) channels and pa_channels will be equal,
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// if not then pa_channels will have the real amount of channels PulseAudio is using and channels
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// will have the amount of channels Godot is using (in this case it's pa_channels + 1)
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// Note: If using an even amount of channels (2, 4, etc) channels and pa_map.channels will be equal,
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// if not then pa_map.channels will have the real amount of channels PulseAudio is using and channels
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// will have the amount of channels Godot is using (in this case it's pa_map.channels + 1)
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detect_channels();
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switch (pa_channels) {
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switch (pa_map.channels) {
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case 1: // Mono
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case 3: // Surround 2.1
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case 5: // Surround 5.0
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case 7: // Surround 7.0
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channels = pa_channels + 1;
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channels = pa_map.channels + 1;
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break;
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case 2: // Stereo
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case 4: // Surround 4.0
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case 6: // Surround 5.1
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case 8: // Surround 7.1
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channels = pa_channels;
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channels = pa_map.channels;
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break;
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default:
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WARN_PRINTS("PulseAudio: Unsupported number of channels: " + itos(pa_channels));
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pa_channels = 2;
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WARN_PRINTS("PulseAudio: Unsupported number of channels: " + itos(pa_map.channels));
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pa_channel_map_init_stereo(&pa_map);
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channels = 2;
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break;
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}
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pa_sample_spec spec;
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spec.format = PA_SAMPLE_S16LE;
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spec.channels = pa_channels;
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spec.rate = mix_rate;
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int latency = GLOBAL_DEF("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
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buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
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pa_buffer_size = buffer_frames * pa_channels;
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pa_buffer_size = buffer_frames * pa_map.channels;
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if (OS::get_singleton()->is_stdout_verbose()) {
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print_line("PulseAudio: detected " + itos(pa_channels) + " channels");
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print_line("PulseAudio: detected " + itos(pa_map.channels) + " channels");
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print_line("PulseAudio: audio buffer frames: " + itos(buffer_frames) + " calculated latency: " + itos(buffer_frames * 1000 / mix_rate) + "ms");
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}
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pa_sample_spec spec;
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spec.format = PA_SAMPLE_S16LE;
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spec.channels = pa_map.channels;
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spec.rate = mix_rate;
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pa_str = pa_stream_new(pa_ctx, "Sound", &spec, &pa_map);
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if (pa_str == NULL) {
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ERR_PRINTS("PulseAudio: pa_stream_new error: " + String(pa_strerror(pa_context_errno(pa_ctx))));
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ERR_FAIL_V(ERR_CANT_OPEN);
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}
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pa_buffer_attr attr;
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// set to appropriate buffer length (in bytes) from global settings
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attr.tlength = pa_buffer_size * sizeof(int16_t);
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@ -177,12 +183,6 @@ Error AudioDriverPulseAudio::init_device() {
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attr.maxlength = (uint32_t)-1;
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attr.minreq = (uint32_t)-1;
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pa_str = pa_stream_new(pa_ctx, "Sound", &spec, NULL);
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if (pa_str == NULL) {
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ERR_PRINTS("PulseAudio: pa_stream_new error: " + String(pa_strerror(pa_context_errno(pa_ctx))));
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ERR_FAIL_V(ERR_CANT_OPEN);
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}
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const char *dev = device_name == "Default" ? NULL : device_name.utf8().get_data();
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pa_stream_flags flags = pa_stream_flags(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_ADJUST_LATENCY | PA_STREAM_AUTO_TIMING_UPDATE);
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int error_code = pa_stream_connect_playback(pa_str, dev, &attr, flags, NULL, NULL);
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@ -297,7 +297,7 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
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ad->unlock();
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if (ad->channels == ad->pa_channels) {
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if (ad->channels == ad->pa_map.channels) {
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for (unsigned int i = 0; i < ad->pa_buffer_size; i++) {
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ad->samples_out[i] = ad->samples_in[i] >> 16;
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}
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@ -307,7 +307,7 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
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unsigned int out_idx = 0;
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for (unsigned int i = 0; i < ad->buffer_frames; i++) {
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for (unsigned int j = 0; j < ad->pa_channels - 1; j++) {
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for (unsigned int j = 0; j < ad->pa_map.channels - 1; j++) {
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ad->samples_out[out_idx++] = ad->samples_in[in_idx++] >> 16;
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}
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uint32_t l = ad->samples_in[in_idx++];
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@ -516,7 +516,6 @@ AudioDriverPulseAudio::AudioDriverPulseAudio() {
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buffer_frames = 0;
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pa_buffer_size = 0;
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channels = 0;
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pa_channels = 0;
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pa_ready = 0;
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pa_status = 0;
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@ -47,6 +47,7 @@ class AudioDriverPulseAudio : public AudioDriver {
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pa_mainloop *pa_ml;
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pa_context *pa_ctx;
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pa_stream *pa_str;
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pa_channel_map pa_map;
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String device_name;
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String new_device;
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@ -59,7 +60,6 @@ class AudioDriverPulseAudio : public AudioDriver {
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unsigned int buffer_frames;
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unsigned int pa_buffer_size;
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int channels;
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int pa_channels;
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int pa_ready;
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int pa_status;
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Array pa_devices;
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