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Add file capturer to AppRTCMobile on simulator.

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To achieve this, the CL does the following
- Adds sample mp4 video
- Refactors the existing RTCFileVideoCapturer to achieve continious
capture and adds tests.

Bug: webrtc:8406
Change-Id: Ibc0891176c58ec9053b42e340d2113036e7199ec
Reviewed-on: https://webrtc-review.googlesource.com/12180
Reviewed-by: Anders Carlsson <andersc@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Daniela Jovanoska Petrenko <denicija@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20598}
This commit is contained in:
Daniela
2017-11-07 13:57:11 +01:00
committed by Commit Bot
parent b2fc9b1b10
commit 5adcd19875
14 changed files with 423 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
examples/BUILD.gn
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@ -249,6 +249,8 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
testonly = true
sources = [
"objc/AppRTCMobile/ios/ARDAppDelegate.m",
"objc/AppRTCMobile/ios/ARDFileCaptureController.h",
"objc/AppRTCMobile/ios/ARDFileCaptureController.m",
"objc/AppRTCMobile/ios/ARDMainView.h",
"objc/AppRTCMobile/ios/ARDMainView.m",
"objc/AppRTCMobile/ios/ARDMainViewController.h",
@ -311,6 +313,9 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
bundle_data("AppRTCMobile_ios_bundle_data") {
sources = [
"objc/AppRTCMobile/ios/resources/Roboto-Regular.ttf",
# Sample video taken from https://media.xiph.org/video/derf/
"objc/AppRTCMobile/ios/resources/foreman.mp4",
"objc/AppRTCMobile/ios/resources/iPhone5@2x.png",
"objc/AppRTCMobile/ios/resources/iPhone6@2x.png",
"objc/AppRTCMobile/ios/resources/iPhone6p@3x.png",
@ -420,6 +425,7 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
testonly = true
sources = [
"objc/AppRTCMobile/tests/ARDAppClient_xctest.mm",
"objc/AppRTCMobile/tests/ARDFileCaptureController_xctest.mm",
"objc/AppRTCMobile/tests/ARDSettingsModel_xctest.mm",
]
deps = [

8
examples/objc/AppRTCMobile/ARDAppClient.h
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@ -9,8 +9,6 @@
*/
#import <Foundation/Foundation.h>
#import "WebRTC/RTCCameraVideoCapturer.h"
#import "WebRTC/RTCPeerConnection.h"
#import "WebRTC/RTCVideoTrack.h"
@ -26,6 +24,8 @@ typedef NS_ENUM(NSInteger, ARDAppClientState) {
@class ARDAppClient;
@class ARDSettingsModel;
@class RTCMediaConstraints;
@class RTCCameraVideoCapturer;
@class RTCFileVideoCapturer;
// The delegate is informed of pertinent events and will be called on the
// main queue.
@ -52,6 +52,10 @@ typedef NS_ENUM(NSInteger, ARDAppClientState) {
- (void)appClient:(ARDAppClient *)client
didGetStats:(NSArray *)stats;
@optional
- (void)appClient:(ARDAppClient *)client
didCreateLocalFileCapturer:(RTCFileVideoCapturer *)fileCapturer;
@end
// Handles connections to the AppRTC server for a given room. Methods on this

28
examples/objc/AppRTCMobile/ARDAppClient.m
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@ -15,6 +15,7 @@
#import "WebRTC/RTCCameraVideoCapturer.h"
#import "WebRTC/RTCConfiguration.h"
#import "WebRTC/RTCFileLogger.h"
#import "WebRTC/RTCFileVideoCapturer.h"
#import "WebRTC/RTCIceServer.h"
#import "WebRTC/RTCLogging.h"
#import "WebRTC/RTCMediaConstraints.h"
@ -690,21 +691,24 @@ static int const kKbpsMultiplier = 1000;
}
- (RTCVideoTrack *)createLocalVideoTrack {
RTCVideoTrack* localVideoTrack = nil;
// The iOS simulator doesn't provide any sort of camera capture
// support or emulation (http://goo.gl/rHAnC1) so don't bother
// trying to open a local stream.
if ([_settings currentAudioOnlySettingFromStore]) {
return nil;
}
RTCVideoSource *source = [_factory videoSource];
#if !TARGET_IPHONE_SIMULATOR
if (![_settings currentAudioOnlySettingFromStore]) {
RTCVideoSource *source = [_factory videoSource];
RTCCameraVideoCapturer *capturer = [[RTCCameraVideoCapturer alloc] initWithDelegate:source];
[_delegate appClient:self didCreateLocalCapturer:capturer];
localVideoTrack =
[_factory videoTrackWithSource:source
trackId:kARDVideoTrackId];
RTCCameraVideoCapturer *capturer = [[RTCCameraVideoCapturer alloc] initWithDelegate:source];
[_delegate appClient:self didCreateLocalCapturer:capturer];
#else
if (@available(iOS 10, *)) {
RTCFileVideoCapturer *fileCapturer = [[RTCFileVideoCapturer alloc] initWithDelegate:source];
[_delegate appClient:self didCreateLocalFileCapturer:fileCapturer];
}
#endif
return localVideoTrack;
return [_factory videoTrackWithSource:source trackId:kARDVideoTrackId];
}
#pragma mark - Collider methods

10
examples/objc/AppRTCMobile/ARDSettingsModel.m
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@ -169,20 +169,12 @@ NS_ASSUME_NONNULL_BEGIN
- (void)registerStoreDefaults {
NSString *defaultVideoResolutionSetting = [self defaultVideoResolutionSetting];
BOOL audioOnly = (defaultVideoResolutionSetting.length == 0);
// The iOS simulator doesn't provide any sort of camera capture
// support or emulation (http://goo.gl/rHAnC1) so don't bother
// trying to open a local stream.
#if TARGET_IPHONE_SIMULATOR
audioOnly = YES;
#endif
NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:[self defaultVideoCodecSetting]];
[ARDSettingsStore setDefaultsForVideoResolution:[self defaultVideoResolutionSetting]
videoCodec:codecData
bitrate:nil
audioOnly:audioOnly
audioOnly:NO
createAecDump:NO
useLevelController:NO
useManualAudioConfig:YES];

28
sdk/objc/Framework/Classes/PeerConnection/RTCFileVideoCapturer.h → examples/objc/AppRTCMobile/ios/ARDFileCaptureController.h
View File

@ -9,18 +9,32 @@
*/
#import <Foundation/Foundation.h>
#import <WebRTC/RTCVideoCapturer.h>
@class RTCFileVideoCapturer;
/**
* RTCVideoCapturer that reads buffers from file.
*
* Per design, the file capturer can only be run once and once stopped it cannot run again.
* To run another file capture session, create new instance of the class.
* Controls a file capturer.
*/
NS_CLASS_AVAILABLE_IOS(10)
@interface RTCFileVideoCapturer : RTCVideoCapturer
@interface ARDFileCaptureController : NSObject
- (void)startCapturingFromFileNamed:(NSString *)nameOfFile;
/**
* Creates instance of the controller.
*
* @param capturer The capturer to be controlled.
*/
- (instancetype)initWithCapturer:(RTCFileVideoCapturer *)capturer;
/**
* Starts the file capturer.
*
* Possible errors produced by the capturer will be logged.
*/
- (void)startCapture;
/**
* Immediately stops capturer.
*/
- (void)stopCapture;
@end

45
examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m Normal file
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@ -0,0 +1,45 @@
/*
* Copyright 2017 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.
*/
#import "ARDFileCaptureController.h"
#import "WebRTC/RTCFileVideoCapturer.h"
@interface ARDFileCaptureController ()
@property(nonatomic, strong) RTCFileVideoCapturer *fileCapturer;
@end
@implementation ARDFileCaptureController
@synthesize fileCapturer = _fileCapturer;
- (instancetype)initWithCapturer:(RTCFileVideoCapturer *)capturer {
if (self = [super init]) {
_fileCapturer = capturer;
}
return self;
}
- (void)startCapture {
[self startFileCapture];
}
- (void)startFileCapture {
[self.fileCapturer startCapturingFromFileNamed:@"foreman.mp4"
onError:^(NSError *_Nonnull error) {
NSLog(@"Error %@", error.userInfo);
}];
}
- (void)stopCapture {
[self.fileCapturer stopCapture];
}
@end

13
examples/objc/AppRTCMobile/ios/ARDVideoCallViewController.m
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@ -11,9 +11,11 @@
#import "ARDVideoCallViewController.h"
#import "WebRTC/RTCAudioSession.h"
#import "WebRTC/RTCCameraVideoCapturer.h"
#import "ARDAppClient.h"
#import "ARDCaptureController.h"
#import "ARDFileCaptureController.h"
#import "ARDSettingsModel.h"
#import "ARDVideoCallView.h"
#import "WebRTC/RTCAVFoundationVideoSource.h"
@ -32,6 +34,7 @@
ARDAppClient *_client;
RTCVideoTrack *_remoteVideoTrack;
ARDCaptureController *_captureController;
ARDFileCaptureController *_fileCaptureController NS_AVAILABLE_IOS(10);
AVAudioSessionPortOverride _portOverride;
}
@ -101,6 +104,14 @@
[_captureController startCapture];
}
- (void)appClient:(ARDAppClient *)client
didCreateLocalFileCapturer:(RTCFileVideoCapturer *)fileCapturer {
if (@available(iOS 10, *)) {
_fileCaptureController = [[ARDFileCaptureController alloc] initWithCapturer:fileCapturer];
[_fileCaptureController startCapture];
}
}
- (void)appClient:(ARDAppClient *)client
didReceiveLocalVideoTrack:(RTCVideoTrack *)localVideoTrack {
}
@ -187,6 +198,8 @@
_videoCallView.localVideoView.captureSession = nil;
[_captureController stopCapture];
_captureController = nil;
[_fileCaptureController stopCapture];
_fileCaptureController = nil;
[_client disconnect];
[_delegate viewControllerDidFinish:self];
}

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examples/objc/AppRTCMobile/ios/resources/foreman.mp4 Normal file
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62
examples/objc/AppRTCMobile/tests/ARDFileCaptureController_xctest.mm Normal file
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@ -0,0 +1,62 @@
/*
* Copyright 2017 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.
*/
#import <Foundation/Foundation.h>
#import <OCMock/OCMock.h>
#import <XCTest/XCTest.h>
#import "ARDFileCaptureController.h"
#import "WebRTC/RTCFileVideoCapturer.h"
NS_CLASS_AVAILABLE_IOS(10)
@interface ARDFileCaptureControllerTests : XCTestCase
@property(nonatomic, strong) ARDFileCaptureController *fileCaptureController;
@property(nonatomic, strong) id fileCapturerMock;
@end
@implementation ARDFileCaptureControllerTests
@synthesize fileCaptureController = _fileCaptureController;
@synthesize fileCapturerMock = _fileCapturerMock;
- (void)setUp {
[super setUp];
self.fileCapturerMock = OCMClassMock([RTCFileVideoCapturer class]);
self.fileCaptureController =
[[ARDFileCaptureController alloc] initWithCapturer:self.fileCapturerMock];
}
- (void)tearDown {
self.fileCaptureController = nil;
[self.fileCapturerMock stopMocking];
self.fileCapturerMock = nil;
[super tearDown];
}
- (void)testCaptureIsStarted {
[[self.fileCapturerMock expect] startCapturingFromFileNamed:[OCMArg any] onError:[OCMArg any]];
[self.fileCaptureController startCapture];
[self.fileCapturerMock verify];
}
- (void)testCaptureIsStoped {
[[self.fileCapturerMock expect] stopCapture];
[self.fileCaptureController stopCapture];
[self.fileCapturerMock verify];
}
@end

29
sdk/BUILD.gn
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@ -273,8 +273,8 @@ if (is_ios || is_mac) {
]
if (is_ios) {
sources += [
"objc/Framework/Classes/PeerConnection/RTCFileVideoCapturer.h",
"objc/Framework/Classes/PeerConnection/RTCFileVideoCapturer.m",
"objc/Framework/Headers/WebRTC/RTCFileVideoCapturer.h",
]
}
libs = [ "AVFoundation.framework" ]
@ -520,20 +520,22 @@ if (is_ios || is_mac) {
}
if (rtc_include_tests) {
# TODO(denicija):remove second part of this check.
if (is_ios && (current_cpu == "arm64" || use_ios_simulator)) {
if (is_ios) {
rtc_source_set("sdk_unittests_sources") {
testonly = true
include_dirs = [
"objc/Framework/Headers",
"objc/Framework/Classes",
]
sources = [
# TODO(denicija): Once more sources are included,
# move the second part of the check on line 516 here
# when adding this file to the sources
"objc/Framework/UnitTests/RTCMTLVideoView_xctest.mm",
"objc/Framework/UnitTests/RTCFileVideoCapturer_xctest.mm",
]
if (current_cpu == "arm64" || use_ios_simulator) {
sources += [ "objc/Framework/UnitTests/RTCMTLVideoView_xctest.mm" ]
}
if (use_ios_simulator) {
# Only include this file on simulator, as it's already
# included in device builds.
@ -559,14 +561,26 @@ if (is_ios || is_mac) {
]
}
bundle_data("sdk_unittests_bundle_data") {
# Sample video taken from https://media.xiph.org/video/derf/
sources = [
"objc/Framework/UnitTests/foreman.mp4",
]
outputs = [
"{{bundle_resources_dir}}/{{source_file_part}}",
]
}
rtc_ios_xctest_test("sdk_unittests") {
info_plist = "//test/ios/Info.plist"
sources = [
"objc/Framework/UnitTests/main.m",
]
_bundle_id_suffix = ios_generic_test_bundle_id_suffix
extra_substitutions = [ "GTEST_BUNDLE_ID_SUFFIX=$_bundle_id_suffix" ]
deps = [
":sdk_unittests_bundle_data",
":sdk_unittests_sources",
]
ldflags = [ "-all_load" ]
@ -660,6 +674,7 @@ if (is_ios || is_mac) {
"objc/Framework/Headers/WebRTC/RTCDispatcher.h",
"objc/Framework/Headers/WebRTC/RTCEAGLVideoView.h",
"objc/Framework/Headers/WebRTC/RTCFieldTrials.h",
"objc/Framework/Headers/WebRTC/RTCFileVideoCapturer.h",
"objc/Framework/Headers/WebRTC/RTCIceCandidate.h",
"objc/Framework/Headers/WebRTC/RTCIceServer.h",
"objc/Framework/Headers/WebRTC/RTCIntervalRange.h",

102
sdk/objc/Framework/Classes/PeerConnection/RTCFileVideoCapturer.m
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@ -8,60 +8,91 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#import "RTCFileVideoCapturer.h"
#import "WebRTC/RTCFileVideoCapturer.h"
#import "WebRTC/RTCLogging.h"
#import "WebRTC/RTCVideoFrameBuffer.h"
NSString *const kRTCFileVideoCapturerErrorDomain = @"org.webrtc.RTCFileVideoCapturer";
typedef NS_ENUM(NSInteger, RTCFileVideoCapturerErrorCode) {
RTCFileVideoCapturerErrorCode_CapturerRunning = 2000,
RTCFileVideoCapturerErrorCode_FileNotFound
};
typedef NS_ENUM(NSInteger, RTCFileVideoCapturerStatus) {
RTCFileVideoCapturerStatusNotInitialized,
RTCFileVideoCapturerStatusStarted,
RTCFileVideoCapturerStatusStopped
};
@implementation RTCFileVideoCapturer {
AVAssetReader *_reader;
AVAssetReaderTrackOutput *_outTrack;
BOOL _capturerStopped;
RTCFileVideoCapturerStatus _status;
CMTime _lastPresentationTime;
dispatch_queue_t _frameQueue;
NSURL *_fileURL;
}
- (void)startCapturingFromFileNamed:(NSString *)nameOfFile {
- (void)startCapturingFromFileNamed:(NSString *)nameOfFile
onError:(RTCFileVideoCapturerErrorBlock)errorBlock {
if (_status == RTCFileVideoCapturerStatusStarted) {
NSError *error =
[NSError errorWithDomain:kRTCFileVideoCapturerErrorDomain
code:RTCFileVideoCapturerErrorCode_CapturerRunning
userInfo:@{NSUnderlyingErrorKey : @"Capturer has been started."}];
errorBlock(error);
return;
} else {
_status = RTCFileVideoCapturerStatusStarted;
}
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
if (_reader && _reader.status == AVAssetReaderStatusReading) {
RTCLog("Capturer exists and reads another file. Start capture request failed.");
return;
}
NSString *pathForFile = [self pathForFileName:nameOfFile];
if (!pathForFile) {
RTCLog("File %@ not found in bundle", nameOfFile);
NSString *errorString =
[NSString stringWithFormat:@"File %@ not found in bundle", nameOfFile];
NSError *error = [NSError errorWithDomain:kRTCFileVideoCapturerErrorDomain
code:RTCFileVideoCapturerErrorCode_FileNotFound
userInfo:@{NSUnderlyingErrorKey : errorString}];
errorBlock(error);
return;
}
_lastPresentationTime = CMTimeMake(0, 0);
NSURL *URLForFile = [NSURL fileURLWithPath:pathForFile];
AVURLAsset *asset = [AVURLAsset URLAssetWithURL:URLForFile options:nil];
NSArray *allTracks = [asset tracksWithMediaType:AVMediaTypeVideo];
NSError *error = nil;
_reader = [[AVAssetReader alloc] initWithAsset:asset error:&error];
if (error) {
RTCLog("File reader failed with error: %@", error);
return;
}
NSDictionary *options = @{
(NSString *)
kCVPixelBufferPixelFormatTypeKey : @(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange)
};
_outTrack = [[AVAssetReaderTrackOutput alloc] initWithTrack:allTracks.firstObject
outputSettings:options];
[_reader addOutput:_outTrack];
[_reader startReading];
RTCLog(@"File capturer started reading");
[self readNextBuffer];
_fileURL = [NSURL fileURLWithPath:pathForFile];
[self setupReaderOnError:errorBlock];
});
}
- (void)setupReaderOnError:(RTCFileVideoCapturerErrorBlock)errorBlock {
AVURLAsset *asset = [AVURLAsset URLAssetWithURL:_fileURL options:nil];
NSArray *allTracks = [asset tracksWithMediaType:AVMediaTypeVideo];
NSError *error = nil;
_reader = [[AVAssetReader alloc] initWithAsset:asset error:&error];
if (error) {
errorBlock(error);
return;
}
NSDictionary *options = @{
(NSString *)kCVPixelBufferPixelFormatTypeKey : @(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange)
};
_outTrack =
[[AVAssetReaderTrackOutput alloc] initWithTrack:allTracks.firstObject outputSettings:options];
[_reader addOutput:_outTrack];
[_reader startReading];
RTCLog(@"File capturer started reading");
[self readNextBuffer];
}
- (void)stopCapture {
_capturerStopped = YES;
_status = RTCFileVideoCapturerStatusStopped;
RTCLog(@"File capturer stopped.");
}
@ -88,12 +119,19 @@
}
- (void)readNextBuffer {
if (_reader.status != AVAssetReaderStatusReading || _capturerStopped) {
if (_status == RTCFileVideoCapturerStatusStopped) {
[_reader cancelReading];
_reader = nil;
return;
}
if (_reader.status == AVAssetReaderStatusCompleted) {
[_reader cancelReading];
_reader = nil;
[self setupReaderOnError:nil];
return;
}
CMSampleBufferRef sampleBuffer = [_outTrack copyNextSampleBuffer];
if (!sampleBuffer) {
[self readNextBuffer];

50
sdk/objc/Framework/Headers/WebRTC/RTCFileVideoCapturer.h Normal file
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@ -0,0 +1,50 @@
/*
* Copyright 2017 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.
*/
#import <Foundation/Foundation.h>
#import <WebRTC/RTCVideoCapturer.h>
NS_ASSUME_NONNULL_BEGIN
/**
* Error passing block.
*/
typedef void (^RTCFileVideoCapturerErrorBlock)(NSError *error);
/**
* Captures buffers from bundled video file.
*
* See @c RTCVideoCapturer for more info on capturers.
*/
RTC_EXPORT
NS_CLASS_AVAILABLE_IOS(10)
@interface RTCFileVideoCapturer : RTCVideoCapturer
/**
* Starts asynchronous capture of frames from video file.
*
* Capturing is not started if error occurs. Underlying error will be
* relayed in the errorBlock if one is provided.
* Successfully captured video frames will be passed to the delegate.
*
* @param nameOfFile The name of the bundled video file to be read.
* @errorBlock block to be executed upon error.
*/
- (void)startCapturingFromFileNamed:(NSString *)nameOfFile
onError:(__nullable RTCFileVideoCapturerErrorBlock)errorBlock;
/**
* Immediately stops capture.
*/
- (void)stopCapture;
@end
NS_ASSUME_NONNULL_END

111
sdk/objc/Framework/UnitTests/RTCFileVideoCapturer_xctest.mm Normal file
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@ -0,0 +1,111 @@
/*
* Copyright 2017 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.
*/
#import "WebRTC/RTCFileVideoCapturer.h"
#import <XCTest/XCTest.h>
#include "rtc_base/gunit.h"
NSString *const kTestFileName = @"foreman.mp4";
static const int kTestTimeoutMs = 5 * 1000; // 5secs.
@interface MockCapturerDelegate : NSObject <RTCVideoCapturerDelegate>
@property(nonatomic, assign) NSInteger capturedFramesCount;
@end
@implementation MockCapturerDelegate
@synthesize capturedFramesCount = _capturedFramesCount;
- (void)capturer:(RTCVideoCapturer *)capturer didCaptureVideoFrame:(RTCVideoFrame *)frame {
self.capturedFramesCount++;
}
@end
NS_CLASS_AVAILABLE_IOS(10)
@interface RTCFileVideoCapturerTests : XCTestCase
@property(nonatomic, strong) RTCFileVideoCapturer *capturer;
@property(nonatomic, strong) MockCapturerDelegate *mockDelegate;
@end
@implementation RTCFileVideoCapturerTests
@synthesize capturer = _capturer;
@synthesize mockDelegate = _mockDelegate;
- (void)setUp {
self.mockDelegate = [[MockCapturerDelegate alloc] init];
self.capturer = [[RTCFileVideoCapturer alloc] initWithDelegate:self.mockDelegate];
}
- (void)tearDown {
self.capturer = nil;
self.mockDelegate = nil;
}
- (void)testCaptureWhenFileNotInBundle {
__block BOOL errorOccured = NO;
RTCFileVideoCapturerErrorBlock errorBlock = ^void(NSError *error) {
errorOccured = YES;
};
[self.capturer startCapturingFromFileNamed:@"not_in_bundle.mov" onError:errorBlock];
ASSERT_TRUE_WAIT(errorOccured, kTestTimeoutMs);
}
- (void)testSecondStartCaptureCallFails {
__block BOOL secondError = NO;
RTCFileVideoCapturerErrorBlock firstErrorBlock = ^void(NSError *error) {
// This block should never be called.
NSLog(@"Error: %@", [error userInfo]);
ASSERT_TRUE(false);
};
RTCFileVideoCapturerErrorBlock secondErrorBlock = ^void(NSError *error) {
secondError = YES;
};
[self.capturer startCapturingFromFileNamed:kTestFileName onError:firstErrorBlock];
[self.capturer startCapturingFromFileNamed:kTestFileName onError:secondErrorBlock];
ASSERT_TRUE_WAIT(secondError, kTestTimeoutMs);
}
- (void)testStartStopCapturer {
if (@available(iOS 10, *)) {
[self.capturer startCapturingFromFileNamed:kTestFileName onError:nil];
__block BOOL done = NO;
__block NSInteger capturedFrames = -1;
NSInteger capturedFramesAfterStop = -1;
// We're dispatching the `stopCapture` with delay to ensure the capturer has
// had the chance to capture several frames.
dispatch_time_t captureDelay = dispatch_time(DISPATCH_TIME_NOW, 2 * NSEC_PER_SEC); // 2secs.
dispatch_after(captureDelay, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
capturedFrames = self.mockDelegate.capturedFramesCount;
[self.capturer stopCapture];
done = YES;
});
WAIT(done, kTestTimeoutMs);
capturedFramesAfterStop = self.mockDelegate.capturedFramesCount;
ASSERT_TRUE(capturedFrames != -1);
ASSERT_EQ(capturedFrames, capturedFramesAfterStop);
}
}
@end

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