Index: media/audio/audio_system.h |
diff --git a/media/audio/audio_system.h b/media/audio/audio_system.h |
index 66dc622db267575d189e74adc5fb4729c6fbc6c7..a4b991257a2d953eac02dface166685698e539e8 100644 |
--- a/media/audio/audio_system.h |
+++ b/media/audio/audio_system.h |
@@ -6,6 +6,7 @@ |
#define MEDIA_AUDIO_AUDIO_SYSTEM_H_ |
#include "base/callback.h" |
+#include "base/memory/weak_ptr.h" |
#include "media/audio/audio_device_description.h" |
#include "media/base/audio_parameters.h" |
#include "media/base/media_export.h" |
@@ -29,6 +30,9 @@ class MEDIA_EXPORT AudioSystem { |
using OnBoolCallback = base::Callback<void(bool)>; |
using OnDeviceDescriptionsCallback = |
base::Callback<void(AudioDeviceDescriptions)>; |
+ using OnDeviceIdCallback = base::Callback<void(const std::string&)>; |
+ using OnInputDeviceInfoCallback = base::Callback< |
+ void(const AudioParameters&, const AudioParameters&, const std::string&)>; |
static AudioSystem* Get(); |
@@ -59,9 +63,21 @@ class MEDIA_EXPORT AudioSystem { |
// Replies with device descriptions of input audio devices if |for_input| is |
// true, and of output audio devices otherwise. |
virtual void GetDeviceDescriptions( |
- OnDeviceDescriptionsCallback on_descriptions_cp, |
+ OnDeviceDescriptionsCallback on_descriptions_cb, |
bool for_input) = 0; |
+ // Replies with an empty string if there is no associated output device found. |
+ virtual void GetAssociatedOutputDeviceID( |
+ const std::string& input_device_id, |
+ OnDeviceIdCallback on_device_id_cb) = 0; |
+ |
+ // Replies with audio parameters for the specified input device and audio |
+ // parameters and device ID of the associated output device, if any (otherwise |
+ // it's AudioParameters() and an empty string). |
+ virtual void GetInputDeviceInfo( |
+ const std::string& input_device_id, |
+ OnInputDeviceInfoCallback on_input_device_info_cb) = 0; |
+ |
virtual base::SingleThreadTaskRunner* GetTaskRunner() const = 0; |
// Must not be used for anything but stream creation. |