Set required alignment to 2 for iOS.

Some devices have issues decoding the resolutions that result when using 4
as a factor.

Bug: webrtc:9381
Change-Id: I5055923ca318a1bde62bcefb452cae8f33165e43
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150102
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28945}
This commit is contained in:
Kári Tristan Helgason 2019-08-23 12:57:50 +02:00 committed by Commit Bot
parent b7b8e30cb4
commit bf45add049
2 changed files with 56 additions and 13 deletions

View File

@ -33,8 +33,8 @@
namespace webrtc {
ObjCVideoTrackSource::ObjCVideoTrackSource() :
AdaptedVideoTrackSource(/* required resolution alignment */ 4) {}
ObjCVideoTrackSource::ObjCVideoTrackSource()
: AdaptedVideoTrackSource(/* required resolution alignment */ 2) {}
ObjCVideoTrackSource::ObjCVideoTrackSource(RTCObjCVideoSourceAdapter *adapter) : adapter_(adapter) {
adapter_.objCVideoTrackSource = this;

View File

@ -112,6 +112,48 @@ class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame>
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);
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
RTCVideoFrame *frame = [[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;
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(
@ -216,9 +258,10 @@ class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame>
CVPixelBufferCreate(
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
// Create a frame that's already adapted down.
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef
adaptedWidth:700
adaptedHeight:700
adaptedWidth:640
adaptedHeight:360
cropWidth:720
cropHeight:1280
cropX:0
@ -228,14 +271,14 @@ class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame>
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
XCTAssertEqual(outputFrame.width, 300);
XCTAssertEqual(outputFrame.height, 516);
XCTAssertEqual(outputFrame.width, 480);
XCTAssertEqual(outputFrame.height, 270);
RTCCVPixelBuffer *outputBuffer = outputFrame.buffer;
XCTAssertEqual(outputBuffer.cropX, 150);
XCTAssertEqual(outputBuffer.cropY, 6);
XCTAssertEqual(outputBuffer.cropWidth, 400);
XCTAssertEqual(outputBuffer.cropHeight, 688);
XCTAssertEqual(outputBuffer.cropX, 0);
XCTAssertEqual(outputBuffer.cropY, 0);
XCTAssertEqual(outputBuffer.cropWidth, 640);
XCTAssertEqual(outputBuffer.cropHeight, 360);
XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
[callbackExpectation fulfill];
@ -245,7 +288,7 @@ class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame>
rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source;
video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
_video_source->OnOutputFormatRequest(640, 360, 30);
_video_source->OnOutputFormatRequest(480, 270, 30);
_video_source->OnCapturedFrame(frame);
[self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
@ -311,13 +354,13 @@ class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame>
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
XCTAssertEqual(outputFrame.width, 300);
XCTAssertEqual(outputFrame.height, 536);
XCTAssertEqual(outputFrame.height, 534);
RTCCVPixelBuffer *outputBuffer = outputFrame.buffer;
XCTAssertEqual(outputBuffer.cropX, 40);
XCTAssertEqual(outputBuffer.cropY, 52);
XCTAssertEqual(outputBuffer.cropWidth, 300);
XCTAssertEqual(outputBuffer.cropHeight, 536);
XCTAssertEqual(outputBuffer.cropHeight, 534);
XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
[callbackExpectation fulfill];