Add ability to retrieve capabilities for audio input devices to MediaDevicesDispatcherHost.
BUG=657733
Review-Url: https://codereview.chromium.org/2868853002
Cr-Commit-Position: refs/heads/master@{#471774}
diff --git a/content/common/media/media_devices.mojom b/content/common/media/media_devices.mojom
index 7d2d2cc..6940ccb 100644
--- a/content/common/media/media_devices.mojom
+++ b/content/common/media/media_devices.mojom
@@ -5,6 +5,7 @@
module mojom;
import "media/capture/mojo/video_capture_types.mojom";
+import "media/mojo/interfaces/audio_parameters.mojom";
[Native]
enum MediaDeviceType;
@@ -30,6 +31,11 @@
FacingMode facing_mode;
};
+struct AudioInputDeviceCapabilities {
+ string device_id;
+ media.mojom.AudioParameters parameters;
+};
+
// This object lives in the browser and is responsible for processing device
// enumeration requests and managing subscriptions for device-change
// notifications.
@@ -41,15 +47,26 @@
bool request_video_input,
bool request_audio_output)
=> (array<array<MediaDeviceInfo>> enumeration);
-
+
// Returns a list of video devices and their capabilities.
// If there is a user-preferred device, it is the first in the result.
// The result of this function is intended for the implementation details
// of algorithms such as settings selection for getUserMedia.
- // Do not expose the data contained in result of this function to JavaScript.
+ // Do not expose the data contained in the result of this function to
+ // JavaScript.
GetVideoInputCapabilities()
=> (array<VideoInputDeviceCapabilities> video_input_device_capabilities);
+ // Returns a list of audio input devices and their capabilities.
+ // If there is a user-preferred device, it is the first in the result.
+ // Otherwise, the system-default device is the first in the result.
+ // The result of this function is intended for the implementation details
+ // of algorithms such as settings selection for getUserMedia.
+ // Do not expose the data contained in the result of this function to
+ // JavaScript.
+ GetAudioInputCapabilities()
+ => (array<AudioInputDeviceCapabilities> audio_input_device_capabilities);
+
// Creates a subscription for device-change notifications for the calling
// frame/security origin. It is the responsibility of the caller to send
// |subscription_id| values that are unique per device type.
