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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/libwebrtc/sdk/objc/unittests/ObjCVideoTrackSource_xctest.mm
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/unittests/ObjCVideoTrackSource_xctest.mm')
-rw-r--r--third_party/libwebrtc/sdk/objc/unittests/ObjCVideoTrackSource_xctest.mm469
1 files changed, 469 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/unittests/ObjCVideoTrackSource_xctest.mm b/third_party/libwebrtc/sdk/objc/unittests/ObjCVideoTrackSource_xctest.mm
new file mode 100644
index 0000000000..4c8bf348f4
--- /dev/null
+++ b/third_party/libwebrtc/sdk/objc/unittests/ObjCVideoTrackSource_xctest.mm
@@ -0,0 +1,469 @@
+/*
+ * Copyright 2018 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 <XCTest/XCTest.h>
+
+#include "sdk/objc/native/src/objc_video_track_source.h"
+
+#import "api/video_frame_buffer/RTCNativeI420Buffer+Private.h"
+#import "base/RTCVideoFrame.h"
+#import "base/RTCVideoFrameBuffer.h"
+#import "components/video_frame_buffer/RTCCVPixelBuffer.h"
+#import "frame_buffer_helpers.h"
+
+#include "api/scoped_refptr.h"
+#include "common_video/libyuv/include/webrtc_libyuv.h"
+#include "media/base/fake_video_renderer.h"
+#include "sdk/objc/native/api/video_frame.h"
+
+typedef void (^VideoSinkCallback)(RTC_OBJC_TYPE(RTCVideoFrame) *);
+
+namespace {
+
+class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
+ public:
+ ObjCCallbackVideoSink(VideoSinkCallback callback) : callback_(callback) {}
+
+ void OnFrame(const webrtc::VideoFrame &frame) override {
+ callback_(NativeToObjCVideoFrame(frame));
+ }
+
+ private:
+ VideoSinkCallback callback_;
+};
+
+} // namespace
+
+@interface ObjCVideoTrackSourceTests : XCTestCase
+@end
+
+@implementation ObjCVideoTrackSourceTests {
+ rtc::scoped_refptr<webrtc::ObjCVideoTrackSource> _video_source;
+}
+
+- (void)setUp {
+ _video_source = rtc::make_ref_counted<webrtc::ObjCVideoTrackSource>();
+}
+
+- (void)tearDown {
+ _video_source = NULL;
+}
+
+- (void)testOnCapturedFrameAdaptsFrame {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef];
+
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ cricket::FakeVideoRenderer *video_renderer = new cricket::FakeVideoRenderer();
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(video_renderer, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ XCTAssertEqual(video_renderer->num_rendered_frames(), 1);
+ XCTAssertEqual(video_renderer->width(), 360);
+ XCTAssertEqual(video_renderer->height(), 640);
+
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameAdaptsFrameWithAlignment {
+ // Requesting to adapt 1280x720 to 912x514 gives 639x360 without alignment. The 639 causes issues
+ // with some hardware encoders (e.g. HEVC) so in this test we verify that the alignment is set and
+ // respected.
+
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef];
+
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ cricket::FakeVideoRenderer *video_renderer = new cricket::FakeVideoRenderer();
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(video_renderer, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(912, 514, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ XCTAssertEqual(video_renderer->num_rendered_frames(), 1);
+ XCTAssertEqual(video_renderer->width(), 360);
+ XCTAssertEqual(video_renderer->height(), 640);
+
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameAdaptationResultsInCommonResolutions {
+ // Some of the most common resolutions used in the wild are 640x360, 480x270 and 320x180.
+ // Make sure that we properly scale down to exactly these resolutions.
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef];
+
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ cricket::FakeVideoRenderer *video_renderer = new cricket::FakeVideoRenderer();
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(video_renderer, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ XCTAssertEqual(video_renderer->num_rendered_frames(), 1);
+ XCTAssertEqual(video_renderer->width(), 360);
+ XCTAssertEqual(video_renderer->height(), 640);
+
+ _video_source->OnOutputFormatRequest(480, 270, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ XCTAssertEqual(video_renderer->num_rendered_frames(), 2);
+ XCTAssertEqual(video_renderer->width(), 270);
+ XCTAssertEqual(video_renderer->height(), 480);
+
+ _video_source->OnOutputFormatRequest(320, 180, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ XCTAssertEqual(video_renderer->num_rendered_frames(), 3);
+ XCTAssertEqual(video_renderer->width(), 180);
+ XCTAssertEqual(video_renderer->height(), 320);
+
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameWithoutAdaptation {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 360, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(frame.width, outputFrame.width);
+ XCTAssertEqual(frame.height, outputFrame.height);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *outputBuffer = outputFrame.buffer;
+ XCTAssertEqual(buffer.cropX, outputBuffer.cropX);
+ XCTAssertEqual(buffer.cropY, outputBuffer.cropY);
+ XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameCVPixelBufferNeedsAdaptation {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 360);
+ XCTAssertEqual(outputFrame.height, 640);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *outputBuffer = outputFrame.buffer;
+ XCTAssertEqual(outputBuffer.cropX, 0);
+ XCTAssertEqual(outputBuffer.cropY, 0);
+ XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameCVPixelBufferNeedsCropping {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 380, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 360);
+ XCTAssertEqual(outputFrame.height, 640);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *outputBuffer = outputFrame.buffer;
+ XCTAssertEqual(outputBuffer.cropX, 10);
+ XCTAssertEqual(outputBuffer.cropY, 0);
+ XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFramePreAdaptedCVPixelBufferNeedsAdaptation {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ // Create a frame that's already adapted down.
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef
+ adaptedWidth:640
+ adaptedHeight:360
+ cropWidth:720
+ cropHeight:1280
+ cropX:0
+ cropY:0];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 480);
+ XCTAssertEqual(outputFrame.height, 270);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *outputBuffer = outputFrame.buffer;
+ XCTAssertEqual(outputBuffer.cropX, 0);
+ XCTAssertEqual(outputBuffer.cropY, 0);
+ XCTAssertEqual(outputBuffer.cropWidth, 640);
+ XCTAssertEqual(outputBuffer.cropHeight, 360);
+ XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(480, 270, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFramePreCroppedCVPixelBufferNeedsCropping {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 380, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef
+ adaptedWidth:370
+ adaptedHeight:640
+ cropWidth:370
+ cropHeight:640
+ cropX:10
+ cropY:0];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 360);
+ XCTAssertEqual(outputFrame.height, 640);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *outputBuffer = outputFrame.buffer;
+ XCTAssertEqual(outputBuffer.cropX, 14);
+ XCTAssertEqual(outputBuffer.cropY, 0);
+ XCTAssertEqual(outputBuffer.cropWidth, 360);
+ XCTAssertEqual(outputBuffer.cropHeight, 640);
+ XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameSmallerPreCroppedCVPixelBufferNeedsCropping {
+ CVPixelBufferRef pixelBufferRef = NULL;
+ CVPixelBufferCreate(
+ NULL, 380, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBufferRef
+ adaptedWidth:300
+ adaptedHeight:640
+ cropWidth:300
+ cropHeight:640
+ cropX:40
+ cropY:0];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 300);
+ XCTAssertEqual(outputFrame.height, 534);
+
+ RTC_OBJC_TYPE(RTCCVPixelBuffer) *outputBuffer = outputFrame.buffer;
+ XCTAssertEqual(outputBuffer.cropX, 40);
+ XCTAssertEqual(outputBuffer.cropY, 52);
+ XCTAssertEqual(outputBuffer.cropWidth, 300);
+ XCTAssertEqual(outputBuffer.cropHeight, 534);
+ XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+ CVBufferRelease(pixelBufferRef);
+}
+
+- (void)testOnCapturedFrameI420BufferNeedsAdaptation {
+ rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer = CreateI420Gradient(720, 1280);
+ RTC_OBJC_TYPE(RTCI420Buffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCI420Buffer) alloc] initWithFrameBuffer:i420Buffer];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 360);
+ XCTAssertEqual(outputFrame.height, 640);
+
+ RTC_OBJC_TYPE(RTCI420Buffer) *outputBuffer = (RTC_OBJC_TYPE(RTCI420Buffer) *)outputFrame.buffer;
+
+ double psnr = I420PSNR(*[buffer nativeI420Buffer], *[outputBuffer nativeI420Buffer]);
+ XCTAssertEqual(psnr, webrtc::kPerfectPSNR);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+}
+
+- (void)testOnCapturedFrameI420BufferNeedsCropping {
+ rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer = CreateI420Gradient(380, 640);
+ RTC_OBJC_TYPE(RTCI420Buffer) *buffer =
+ [[RTC_OBJC_TYPE(RTCI420Buffer) alloc] initWithFrameBuffer:i420Buffer];
+ RTC_OBJC_TYPE(RTCVideoFrame) *frame =
+ [[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:buffer
+ rotation:RTCVideoRotation_0
+ timeStampNs:0];
+
+ XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
+ ObjCCallbackVideoSink callback_video_sink(^void(RTC_OBJC_TYPE(RTCVideoFrame) * outputFrame) {
+ XCTAssertEqual(outputFrame.width, 360);
+ XCTAssertEqual(outputFrame.height, 640);
+
+ RTC_OBJC_TYPE(RTCI420Buffer) *outputBuffer = (RTC_OBJC_TYPE(RTCI420Buffer) *)outputFrame.buffer;
+
+ double psnr = I420PSNR(*[buffer nativeI420Buffer], *[outputBuffer nativeI420Buffer]);
+ XCTAssertGreaterThanOrEqual(psnr, 40);
+
+ [callbackExpectation fulfill];
+ });
+
+ const rtc::VideoSinkWants video_sink_wants;
+ rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source.get();
+ video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
+
+ _video_source->OnOutputFormatRequest(640, 360, 30);
+ _video_source->OnCapturedFrame(frame);
+
+ [self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
+}
+
+@end