#include "db.h"
#include "flags.h"
#include "mixer.h"
+#include "state.pb.h"
#include "timebase.h"
using namespace bmusb;
limiter(OUTPUT_FREQUENCY),
correlation(OUTPUT_FREQUENCY)
{
+ global_audio_mixer = this;
+
for (unsigned bus_index = 0; bus_index < MAX_BUSES; ++bus_index) {
locut[bus_index].init(FILTER_HPF, 2);
- locut_enabled[bus_index] = global_flags.locut_enabled;
eq[bus_index][EQ_BAND_BASS].init(FILTER_LOW_SHELF, 1);
// Note: EQ_BAND_MID isn't used (see comments in apply_eq()).
eq[bus_index][EQ_BAND_TREBLE].init(FILTER_HIGH_SHELF, 1);
-
- gain_staging_db[bus_index] = global_flags.initial_gain_staging_db;
compressor[bus_index].reset(new StereoCompressor(OUTPUT_FREQUENCY));
- compressor_threshold_dbfs[bus_index] = ref_level_dbfs - 12.0f; // -12 dB.
- compressor_enabled[bus_index] = global_flags.compressor_enabled;
level_compressor[bus_index].reset(new StereoCompressor(OUTPUT_FREQUENCY));
- level_compressor_enabled[bus_index] = global_flags.gain_staging_auto;
+
+ set_bus_settings(bus_index, get_default_bus_settings());
}
set_limiter_enabled(global_flags.limiter_enabled);
set_final_makeup_gain_auto(global_flags.final_makeup_gain_auto);
-
- // Generate a very simple, default input mapping.
- InputMapping::Bus input;
- input.name = "Main";
- input.device.type = InputSourceType::CAPTURE_CARD;
- input.device.index = 0;
- input.source_channel[0] = 0;
- input.source_channel[1] = 1;
+ alsa_pool.init();
InputMapping new_input_mapping;
- new_input_mapping.buses.push_back(input);
- set_input_mapping(new_input_mapping);
+ if (!global_flags.input_mapping_filename.empty()) {
+ if (!load_input_mapping_from_file(get_devices(),
+ global_flags.input_mapping_filename,
+ &new_input_mapping)) {
+ fprintf(stderr, "Failed to load input mapping from '%s', exiting.\n",
+ global_flags.input_mapping_filename.c_str());
+ exit(1);
+ }
+ } else {
+ // Generate a very simple, default input mapping.
+ InputMapping::Bus input;
+ input.name = "Main";
+ input.device.type = InputSourceType::CAPTURE_CARD;
+ input.device.index = 0;
+ input.source_channel[0] = 0;
+ input.source_channel[1] = 1;
- alsa_pool.init();
+ new_input_mapping.buses.push_back(input);
+ }
+ set_input_mapping(new_input_mapping);
r128.init(2, OUTPUT_FREQUENCY);
r128.integr_start();
return true;
}
+bool AudioMixer::silence_card(DeviceSpec device_spec, bool silence)
+{
+ AudioDevice *device = find_audio_device(device_spec);
+
+ unique_lock<timed_mutex> lock(audio_mutex, defer_lock);
+ if (!lock.try_lock_for(chrono::milliseconds(10))) {
+ return false;
+ }
+
+ if (device->silenced && !silence) {
+ reset_resampler_mutex_held(device_spec);
+ }
+ device->silenced = silence;
+ return true;
+}
+
+AudioMixer::BusSettings AudioMixer::get_default_bus_settings()
+{
+ BusSettings settings;
+ settings.fader_volume_db = 0.0f;
+ settings.locut_enabled = global_flags.locut_enabled;
+ for (unsigned band_index = 0; band_index < NUM_EQ_BANDS; ++band_index) {
+ settings.eq_level_db[band_index] = 0.0f;
+ }
+ settings.gain_staging_db = global_flags.initial_gain_staging_db;
+ settings.level_compressor_enabled = global_flags.gain_staging_auto;
+ settings.compressor_threshold_dbfs = ref_level_dbfs - 12.0f; // -12 dB.
+ settings.compressor_enabled = global_flags.compressor_enabled;
+ return settings;
+}
+
+AudioMixer::BusSettings AudioMixer::get_bus_settings(unsigned bus_index) const
+{
+ lock_guard<timed_mutex> lock(audio_mutex);
+ BusSettings settings;
+ settings.fader_volume_db = fader_volume_db[bus_index];
+ settings.locut_enabled = locut_enabled[bus_index];
+ for (unsigned band_index = 0; band_index < NUM_EQ_BANDS; ++band_index) {
+ settings.eq_level_db[band_index] = eq_level_db[bus_index][band_index];
+ }
+ settings.gain_staging_db = gain_staging_db[bus_index];
+ settings.level_compressor_enabled = level_compressor_enabled[bus_index];
+ settings.compressor_threshold_dbfs = compressor_threshold_dbfs[bus_index];
+ settings.compressor_enabled = compressor_enabled[bus_index];
+ return settings;
+}
+
+void AudioMixer::set_bus_settings(unsigned bus_index, const AudioMixer::BusSettings &settings)
+{
+ lock_guard<timed_mutex> lock(audio_mutex);
+ fader_volume_db[bus_index] = settings.fader_volume_db;
+ locut_enabled[bus_index] = settings.locut_enabled;
+ for (unsigned band_index = 0; band_index < NUM_EQ_BANDS; ++band_index) {
+ eq_level_db[bus_index][band_index] = settings.eq_level_db[band_index];
+ }
+ gain_staging_db[bus_index] = settings.gain_staging_db;
+ level_compressor_enabled[bus_index] = settings.level_compressor_enabled;
+ compressor_threshold_dbfs[bus_index] = settings.compressor_threshold_dbfs;
+ compressor_enabled[bus_index] = settings.compressor_enabled;
+}
+
AudioMixer::AudioDevice *AudioMixer::find_audio_device(DeviceSpec device)
{
switch (device.type) {
for (const DeviceSpec &device_spec : get_active_devices()) {
AudioDevice *device = find_audio_device(device_spec);
samples_card[device_spec].resize(num_samples * device->interesting_channels.size());
- device->resampling_queue->get_output_samples(
- pts,
- &samples_card[device_spec][0],
- num_samples,
- rate_adjustment_policy);
+ if (device->silenced) {
+ memset(&samples_card[device_spec][0], 0, samples_card[device_spec].size() * sizeof(float));
+ } else {
+ device->resampling_queue->get_output_samples(
+ pts,
+ &samples_card[device_spec][0],
+ num_samples,
+ rate_adjustment_policy);
+ }
}
vector<float> samples_out, left, right;
const DeviceSpec spec{ InputSourceType::CAPTURE_CARD, card_index };
const AudioDevice *device = &video_cards[card_index];
DeviceInfo info;
- info.name = device->name;
- info.num_channels = 8; // FIXME: This is wrong for fake cards.
+ info.display_name = device->display_name;
+ info.num_channels = 8;
devices.insert(make_pair(spec, info));
}
vector<ALSAPool::Device> available_alsa_devices = alsa_pool.get_devices();
const DeviceSpec spec{ InputSourceType::ALSA_INPUT, card_index };
const ALSAPool::Device &device = available_alsa_devices[card_index];
DeviceInfo info;
- info.name = device.name + " (" + device.info + ")";
+ info.display_name = device.display_name();
info.num_channels = device.num_channels;
+ info.alsa_name = device.name;
+ info.alsa_info = device.info;
+ info.alsa_address = device.address;
devices.insert(make_pair(spec, info));
}
return devices;
}
-void AudioMixer::set_name(DeviceSpec device_spec, const string &name)
+void AudioMixer::set_display_name(DeviceSpec device_spec, const string &name)
{
AudioDevice *device = find_audio_device(device_spec);
lock_guard<timed_mutex> lock(audio_mutex);
- device->name = name;
+ device->display_name = name;
+}
+
+void AudioMixer::serialize_device(DeviceSpec device_spec, DeviceSpecProto *device_spec_proto)
+{
+ lock_guard<timed_mutex> lock(audio_mutex);
+ switch (device_spec.type) {
+ case InputSourceType::SILENCE:
+ device_spec_proto->set_type(DeviceSpecProto::SILENCE);
+ break;
+ case InputSourceType::CAPTURE_CARD:
+ device_spec_proto->set_type(DeviceSpecProto::CAPTURE_CARD);
+ device_spec_proto->set_index(device_spec.index);
+ device_spec_proto->set_display_name(video_cards[device_spec.index].display_name);
+ break;
+ case InputSourceType::ALSA_INPUT:
+ alsa_pool.serialize_device(device_spec.index, device_spec_proto);
+ break;
+ }
}
void AudioMixer::set_input_mapping(const InputMapping &new_input_mapping)
projects / nageru / blobdiff