Index: webrtc/sdk/objc/Framework/Classes/avfoundationformatmapper.mm |
diff --git a/webrtc/sdk/objc/Framework/Classes/avfoundationformatmapper.mm b/webrtc/sdk/objc/Framework/Classes/avfoundationformatmapper.mm |
deleted file mode 100644 |
index 19afa337683bacbeb7b1a14e2cd539cf821b6f09..0000000000000000000000000000000000000000 |
--- a/webrtc/sdk/objc/Framework/Classes/avfoundationformatmapper.mm |
+++ /dev/null |
@@ -1,135 +0,0 @@ |
-/* |
- * Copyright 2016 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include "avfoundationformatmapper.h" |
- |
-#import "WebRTC/RTCLogging.h" |
- |
-// TODO(denicija): add support for higher frame rates. |
-// See http://crbug/webrtc/6355 for more info. |
-static const int kFramesPerSecond = 30; |
- |
-static inline BOOL IsMediaSubTypeSupported(FourCharCode mediaSubType) { |
- return (mediaSubType == kCVPixelFormatType_420YpCbCr8PlanarFullRange || |
- mediaSubType == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange); |
-} |
- |
-static inline BOOL IsFrameRateWithinRange(int fps, AVFrameRateRange* range) { |
- return range.minFrameRate <= fps && range.maxFrameRate >= fps; |
-} |
- |
-// Returns filtered array of device formats based on predefined constraints our |
-// stack imposes. |
-static NSArray<AVCaptureDeviceFormat*>* GetEligibleDeviceFormats( |
- const AVCaptureDevice* device, |
- int supportedFps) { |
- NSMutableArray<AVCaptureDeviceFormat*>* eligibleDeviceFormats = |
- [NSMutableArray array]; |
- |
- for (AVCaptureDeviceFormat* format in device.formats) { |
- // Filter out subTypes that we currently don't support in the stack |
- FourCharCode mediaSubType = |
- CMFormatDescriptionGetMediaSubType(format.formatDescription); |
- if (!IsMediaSubTypeSupported(mediaSubType)) { |
- continue; |
- } |
- |
- // Filter out frame rate ranges that we currently don't support in the stack |
- for (AVFrameRateRange* frameRateRange in format.videoSupportedFrameRateRanges) { |
- if (IsFrameRateWithinRange(supportedFps, frameRateRange)) { |
- [eligibleDeviceFormats addObject:format]; |
- break; |
- } |
- } |
- } |
- |
- return [eligibleDeviceFormats copy]; |
-} |
- |
-// Mapping from cricket::VideoFormat to AVCaptureDeviceFormat. |
-static AVCaptureDeviceFormat* GetDeviceFormatForVideoFormat( |
- const AVCaptureDevice* device, |
- const cricket::VideoFormat& videoFormat) { |
- AVCaptureDeviceFormat* desiredDeviceFormat = nil; |
- NSArray<AVCaptureDeviceFormat*>* eligibleFormats = |
- GetEligibleDeviceFormats(device, videoFormat.framerate()); |
- |
- for (AVCaptureDeviceFormat* deviceFormat in eligibleFormats) { |
- CMVideoDimensions dimension = |
- CMVideoFormatDescriptionGetDimensions(deviceFormat.formatDescription); |
- FourCharCode mediaSubType = |
- CMFormatDescriptionGetMediaSubType(deviceFormat.formatDescription); |
- |
- if (videoFormat.width == dimension.width && |
- videoFormat.height == dimension.height) { |
- if (mediaSubType == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) { |
- // This is the preferred format so no need to wait for better option. |
- return deviceFormat; |
- } else { |
- // This is good candidate, but let's wait for something better. |
- desiredDeviceFormat = deviceFormat; |
- } |
- } |
- } |
- |
- return desiredDeviceFormat; |
-} |
-namespace webrtc { |
-std::set<cricket::VideoFormat> GetSupportedVideoFormatsForDevice( |
- AVCaptureDevice* device) { |
- std::set<cricket::VideoFormat> supportedFormats; |
- |
- NSArray<AVCaptureDeviceFormat*>* eligibleFormats = |
- GetEligibleDeviceFormats(device, kFramesPerSecond); |
- |
- for (AVCaptureDeviceFormat* deviceFormat in eligibleFormats) { |
- CMVideoDimensions dimension = |
- CMVideoFormatDescriptionGetDimensions(deviceFormat.formatDescription); |
- cricket::VideoFormat format = cricket::VideoFormat( |
- dimension.width, dimension.height, |
- cricket::VideoFormat::FpsToInterval(kFramesPerSecond), |
- cricket::FOURCC_NV12); |
- supportedFormats.insert(format); |
- } |
- |
- return supportedFormats; |
-} |
- |
-bool SetFormatForCaptureDevice(AVCaptureDevice* device, |
- AVCaptureSession* session, |
- const cricket::VideoFormat& format) { |
- AVCaptureDeviceFormat* deviceFormat = |
- GetDeviceFormatForVideoFormat(device, format); |
- const int fps = cricket::VideoFormat::IntervalToFps(format.interval); |
- |
- NSError* error = nil; |
- bool success = true; |
- [session beginConfiguration]; |
- if ([device lockForConfiguration:&error]) { |
- @try { |
- device.activeFormat = deviceFormat; |
- device.activeVideoMinFrameDuration = CMTimeMake(1, fps); |
- } @catch (NSException* exception) { |
- RTCLogError(@"Failed to set active format!\n User info:%@", |
- exception.userInfo); |
- success = false; |
- } |
- |
- [device unlockForConfiguration]; |
- } else { |
- RTCLogError(@"Failed to lock device %@. Error: %@", device, error.userInfo); |
- success = false; |
- } |
- [session commitConfiguration]; |
- |
- return success; |
-} |
- |
-} // namespace webrtc |