Reland "Add file capturer to AppRTCMobile on simulator."
This is a reland of 5adcd198752b651f7b7e9199a91f9b873b7d7237
Original change's description:
> Add file capturer to AppRTCMobile on simulator.
>
> 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}
Bug: webrtc:8406
Change-Id: I93be89b86e342a9a8195e19ebaf4aef1410d2c20
Reviewed-on: https://webrtc-review.googlesource.com/23200
Reviewed-by: Daniela Jovanoska Petrenko <denicija@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Daniela Jovanoska Petrenko <denicija@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20870}diff --git a/sdk/objc/Framework/UnitTests/RTCFileVideoCapturer_xctest.mm b/sdk/objc/Framework/UnitTests/RTCFileVideoCapturer_xctest.mm
new file mode 100644
index 0000000..f0c1739
--- /dev/null
+++ b/sdk/objc/Framework/UnitTests/RTCFileVideoCapturer_xctest.mm
@@ -0,0 +1,113 @@
+/*
+ * 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 defined(__IPHONE_11_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0)
+ 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);
+ }
+#endif
+}
+
+@end