X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=audio_mixer.h;h=faa0cc52b025b23e6fe541e993e6ee1e085427a0;hb=61116d03f84a53e96445c2b5d8686f2ea7e7c855;hp=2e73ebd7a1e7e68ff29dee3024dbc90b8911b316;hpb=c558d684af1bcbbca87207ede74071850c835b7c;p=nageru

diff --git a/audio_mixer.h b/audio_mixer.h
index 2e73ebd..faa0cc5 100644
--- a/audio_mixer.h
+++ b/audio_mixer.h
@@ -25,6 +25,7 @@
 #include "defs.h"
 #include "ebu_r128_proc.h"
 #include "filter.h"
+#include "input_mapping.h"
 #include "resampling_queue.h"
 #include "stereocompressor.h"
 
@@ -32,26 +33,6 @@ namespace bmusb {
 struct AudioFormat;
 }  // namespace bmusb
 
-enum class InputSourceType { SILENCE, CAPTURE_CARD, ALSA_INPUT };
-struct DeviceSpec {
-	InputSourceType type;
-	unsigned index;
-
-	bool operator== (const DeviceSpec &other) const {
-		return type == other.type && index == other.index;
-	}
-
-	bool operator< (const DeviceSpec &other) const {
-		if (type != other.type)
-			return type < other.type;
-		return index < other.index;
-	}
-};
-struct DeviceInfo {
-	std::string name;
-	unsigned num_channels;
-};
-
 enum EQBand {
 	EQ_BAND_BASS = 0,
 	EQ_BAND_MID,
@@ -59,26 +40,6 @@ enum EQBand {
 	NUM_EQ_BANDS
 };
 
-static inline uint64_t DeviceSpec_to_key(const DeviceSpec &device_spec)
-{
-	return (uint64_t(device_spec.type) << 32) | device_spec.index;
-}
-
-static inline DeviceSpec key_to_DeviceSpec(uint64_t key)
-{
-	return DeviceSpec{ InputSourceType(key >> 32), unsigned(key & 0xffffffff) };
-}
-
-struct InputMapping {
-	struct Bus {
-		std::string name;
-		DeviceSpec device;
-		int source_channel[2] { -1, -1 };  // Left and right. -1 = none.
-	};
-
-	std::vector<Bus> buses;
-};
-
 class AudioMixer {
 public:
 	AudioMixer(unsigned num_cards);
@@ -102,6 +63,7 @@ public:
 
 	std::vector<float> get_output(double pts, unsigned num_samples, ResamplingQueue::RateAdjustmentPolicy rate_adjustment_policy);
 
+	float get_fader_volume(unsigned bus_index) const { return fader_volume_db[bus_index]; }
 	void set_fader_volume(unsigned bus_index, float level_db) { fader_volume_db[bus_index] = level_db; }
 
 	// Note: This operation holds all ALSA devices (see ALSAPool::get_devices()).
@@ -115,7 +77,17 @@ public:
 		return alsa_pool.get_card_state(index);
 	}
 
-	void set_name(DeviceSpec device_spec, const std::string &name);
+	// See comments on ALSAPool::create_dead_card().
+	DeviceSpec create_dead_card(const std::string &name, const std::string &info, unsigned num_channels)
+	{
+		unsigned dead_card_index = alsa_pool.create_dead_card(name, info, num_channels);
+		return DeviceSpec{InputSourceType::ALSA_INPUT, dead_card_index};
+	}
+
+	void set_display_name(DeviceSpec device_spec, const std::string &name);
+
+	// Note: The card should be held (currently this isn't enforced, though).
+	void serialize_device(DeviceSpec device_spec, DeviceSpecProto *device_spec_proto);
 
 	void set_input_mapping(const InputMapping &input_mapping);
 	InputMapping get_input_mapping() const;
@@ -284,7 +256,7 @@ private:
 	struct AudioDevice {
 		std::unique_ptr<ResamplingQueue> resampling_queue;
 		int64_t next_local_pts = 0;
-		std::string name;
+		std::string display_name;
 		unsigned capture_frequency = OUTPUT_FREQUENCY;
 		// Which channels we consider interesting (ie., are part of some input_mapping).
 		std::set<unsigned> interesting_channels;