gecko-dev/dom/media/webrtc/MediaEngineCameraVideoSource.h
Randell Jesup f138ca68d1 Bug 987186 - remove AudioConfig, send agc/aec/noise from prefs r=jib,smaug
(Reland squashed)
Respect echoCancellation constraint in GetUserMedia
Support echoCancellation constraint, pass test

--HG--
extra : commitid : 7Bq2u1yamMf
2016-01-22 16:46:38 -05:00

129 lines
4.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MediaEngineCameraVideoSource_h
#define MediaEngineCameraVideoSource_h
#include "MediaEngine.h"
#include "MediaTrackConstraints.h"
#include "nsDirectoryServiceDefs.h"
// conflicts with #include of scoped_ptr.h
#undef FF
#include "webrtc/video_engine/include/vie_capture.h"
namespace mozilla {
class MediaEngineCameraVideoSource : public MediaEngineVideoSource,
private MediaConstraintsHelper
{
public:
explicit MediaEngineCameraVideoSource(int aIndex,
const char* aMonitorName = "Camera.Monitor")
: MediaEngineVideoSource(kReleased)
, mMonitor(aMonitorName)
, mWidth(0)
, mHeight(0)
, mInitDone(false)
, mHasDirectListeners(false)
, mNrAllocations(0)
, mCaptureIndex(aIndex)
, mTrackID(0)
{}
void GetName(nsAString& aName) override;
void GetUUID(nsACString& aUUID) override;
void SetDirectListeners(bool aHasListeners) override;
bool IsFake() override
{
return false;
}
nsresult TakePhoto(PhotoCallback* aCallback) override
{
return NS_ERROR_NOT_IMPLEMENTED;
}
uint32_t GetBestFitnessDistance(
const nsTArray<const dom::MediaTrackConstraintSet*>& aConstraintSets,
const nsString& aDeviceId) override;
void Shutdown() override {};
protected:
struct CapabilityCandidate {
explicit CapabilityCandidate(uint8_t index, uint32_t distance = 0)
: mIndex(index), mDistance(distance) {}
size_t mIndex;
uint32_t mDistance;
};
typedef nsTArray<CapabilityCandidate> CapabilitySet;
~MediaEngineCameraVideoSource() {}
// guts for appending data to the MSG track
virtual bool AppendToTrack(SourceMediaStream* aSource,
layers::Image* aImage,
TrackID aID,
StreamTime delta);
uint32_t GetFitnessDistance(const webrtc::CaptureCapability& aCandidate,
const dom::MediaTrackConstraintSet &aConstraints,
bool aAdvanced,
const nsString& aDeviceId);
static void TrimLessFitCandidates(CapabilitySet& set);
static void LogConstraints(const dom::MediaTrackConstraintSet& aConstraints,
bool aAdvanced);
static void LogCapability(const char* aHeader,
const webrtc::CaptureCapability &aCapability,
uint32_t aDistance);
virtual size_t NumCapabilities();
virtual void GetCapability(size_t aIndex, webrtc::CaptureCapability& aOut);
virtual bool ChooseCapability(const dom::MediaTrackConstraints &aConstraints,
const MediaEnginePrefs &aPrefs,
const nsString& aDeviceId);
void SetName(nsString aName);
void SetUUID(const char* aUUID);
const nsCString& GetUUID(); // protected access
// Engine variables.
// mMonitor protects mImage access/changes, and transitions of mState
// from kStarted to kStopped (which are combined with EndTrack() and
// image changes).
// mMonitor also protects mSources[] access/changes.
// mSources[] is accessed from webrtc threads.
// All the mMonitor accesses are from the child classes.
Monitor mMonitor; // Monitor for processing Camera frames.
nsTArray<RefPtr<SourceMediaStream>> mSources; // When this goes empty, we shut down HW
RefPtr<layers::Image> mImage;
RefPtr<layers::ImageContainer> mImageContainer;
int mWidth, mHeight; // protected with mMonitor on Gonk due to different threading
// end of data protected by mMonitor
bool mInitDone;
bool mHasDirectListeners;
int mNrAllocations; // When this becomes 0, we shut down HW
int mCaptureIndex;
TrackID mTrackID;
webrtc::CaptureCapability mCapability;
nsTArray<webrtc::CaptureCapability> mHardcodedCapabilities; // For OSX & B2G
private:
nsString mDeviceName;
nsCString mUniqueId;
nsString mFacingMode;
};
} // namespace mozilla
#endif // MediaEngineCameraVideoSource_h