Reland "Add unit tests for RTCCVPixelBuffer and ObjCVideoTrackSource."
This is a reland of 4ea50c2b421ae3e40d1d02b8eb8c5802288b181e Original change's description: > Add unit tests for RTCCVPixelBuffer and ObjCVideoTrackSource. > > This CL also fixes a couple of bugs found in the toI420 method for > RTCCVPixelBuffers backed by RGB CVPixelBuffers. > > Bug: webrtc:9007 > Change-Id: I19ab8177f4b124a503cfda9f0166bd960f668982 > Reviewed-on: https://webrtc-review.googlesource.com/64940 > Commit-Queue: Anders Carlsson <andersc@webrtc.org> > Reviewed-by: Kári Helgason <kthelgason@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#22656} Bug: webrtc:9007 Change-Id: I2a787c64f8d23ffc4ef2419fc258d965f8a9480b Reviewed-on: https://webrtc-review.googlesource.com/66341 Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Commit-Queue: Anders Carlsson <andersc@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22706}
This commit is contained in:
Anders Carlsson
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parent
74395345e8
commit
fe9d8178df
17
sdk/BUILD.gn
17
sdk/BUILD.gn
@ -669,22 +669,33 @@ if (is_ios || is_mac) {
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]
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sources = [
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"objc/Framework/UnitTests/ObjCVideoTrackSource_xctest.mm",
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"objc/Framework/UnitTests/RTCCVPixelBuffer_xctest.mm",
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"objc/Framework/UnitTests/RTCCallbackLogger_xctest.m",
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"objc/Framework/UnitTests/RTCDoNotPutCPlusPlusInFrameworkHeaders_xctest.m",
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"objc/Framework/UnitTests/RTCFileVideoCapturer_xctest.mm",
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"objc/Framework/UnitTests/frame_buffer_helpers.h",
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"objc/Framework/UnitTests/frame_buffer_helpers.mm",
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]
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deps = [
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":common_objc",
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":framework_objc",
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":native_api",
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":native_video",
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":videocapture_objc",
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":videoframebuffer_objc",
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":videosource_objc",
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":videotoolbox_objc",
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"../../system_wrappers:system_wrappers_default",
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"../api:video_frame_api_i420",
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"../common_video:common_video",
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"../media:rtc_media_base",
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"../media:rtc_media_tests_utils",
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"../modules:module_api",
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"../rtc_base:rtc_base",
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"../rtc_base:rtc_base_tests_utils",
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"//third_party/libyuv",
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]
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if (rtc_use_metal_rendering) {
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@ -698,6 +709,12 @@ if (is_ios || is_mac) {
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]
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include_dirs += [ "$root_out_dir/WebRTC.framework/Headers/" ]
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if (!build_with_chromium && is_clang) {
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# Suppress warnings from the Chromium Clang plugin
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# (bugs.webrtc.org/163).
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suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
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}
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}
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bundle_data("sdk_unittests_bundle_data") {
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@ -28,6 +28,8 @@
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@synthesize pixelBuffer = _pixelBuffer;
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@synthesize cropX = _cropX;
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@synthesize cropY = _cropY;
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@synthesize cropWidth = _cropWidth;
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@synthesize cropHeight = _cropHeight;
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+ (NSSet<NSNumber*>*)supportedPixelFormats {
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return [NSSet setWithObjects:@(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange),
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@ -112,16 +114,29 @@
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return 0;
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}
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- (BOOL)cropAndScaleTo:(CVPixelBufferRef)outputPixelBuffer withTempBuffer:(uint8_t*)tmpBuffer {
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- (BOOL)cropAndScaleTo:(CVPixelBufferRef)outputPixelBuffer
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withTempBuffer:(nullable uint8_t*)tmpBuffer {
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const OSType srcPixelFormat = CVPixelBufferGetPixelFormatType(_pixelBuffer);
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const OSType dstPixelFormat = CVPixelBufferGetPixelFormatType(outputPixelBuffer);
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switch (srcPixelFormat) {
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case kCVPixelFormatType_420YpCbCr8BiPlanarFullRange:
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case kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange: {
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size_t dstWidth = CVPixelBufferGetWidth(outputPixelBuffer);
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size_t dstHeight = CVPixelBufferGetHeight(outputPixelBuffer);
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if (dstWidth > 0 && dstHeight > 0) {
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RTC_DCHECK(dstPixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange ||
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dstPixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange);
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if ([self requiresScalingToWidth:dstWidth height:dstHeight]) {
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RTC_DCHECK(tmpBuffer);
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}
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[self cropAndScaleNV12To:outputPixelBuffer withTempBuffer:tmpBuffer];
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}
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break;
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}
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case kCVPixelFormatType_32BGRA:
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case kCVPixelFormatType_32ARGB: {
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RTC_DCHECK(srcPixelFormat == dstPixelFormat);
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[self cropAndScaleARGBTo:outputPixelBuffer];
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break;
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}
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@ -143,10 +158,10 @@
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case kCVPixelFormatType_420YpCbCr8BiPlanarFullRange:
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case kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange: {
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const uint8_t* srcY =
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static_cast<const uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 0));
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static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 0));
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const int srcYStride = CVPixelBufferGetBytesPerRowOfPlane(_pixelBuffer, 0);
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const uint8_t* srcUV =
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static_cast<const uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 1));
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static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 1));
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const int srcUVStride = CVPixelBufferGetBytesPerRowOfPlane(_pixelBuffer, 1);
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// Crop just by modifying pointers.
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@ -173,32 +188,52 @@
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}
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case kCVPixelFormatType_32BGRA:
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case kCVPixelFormatType_32ARGB: {
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const uint8_t* src =
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static_cast<const uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 0));
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CVPixelBufferRef scaledPixelBuffer = NULL;
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CVPixelBufferRef sourcePixelBuffer = NULL;
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if ([self requiresCropping] ||
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[self requiresScalingToWidth:i420Buffer.width height:i420Buffer.height]) {
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CVPixelBufferCreate(
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NULL, i420Buffer.width, i420Buffer.height, pixelFormat, NULL, &scaledPixelBuffer);
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[self cropAndScaleTo:scaledPixelBuffer withTempBuffer:NULL];
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uint32 libyuvPixelFormat = 0;
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if (pixelFormat == kCVPixelFormatType_32BGRA) {
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libyuvPixelFormat = libyuv::FOURCC_ARGB;
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} else if (pixelFormat == kCVPixelFormatType_32ARGB) {
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libyuvPixelFormat = libyuv::FOURCC_ABGR;
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CVPixelBufferLockBaseAddress(scaledPixelBuffer, kCVPixelBufferLock_ReadOnly);
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sourcePixelBuffer = scaledPixelBuffer;
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} else {
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sourcePixelBuffer = _pixelBuffer;
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}
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const uint8_t* src = static_cast<uint8_t*>(CVPixelBufferGetBaseAddress(sourcePixelBuffer));
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const size_t bytesPerRow = CVPixelBufferGetBytesPerRow(sourcePixelBuffer);
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libyuv::ConvertToI420(src,
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0,
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if (pixelFormat == kCVPixelFormatType_32BGRA) {
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// Corresponds to libyuv::FOURCC_ARGB
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libyuv::ARGBToI420(src,
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bytesPerRow,
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i420Buffer.mutableDataY,
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i420Buffer.strideY,
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i420Buffer.mutableDataU,
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i420Buffer.strideU,
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i420Buffer.mutableDataV,
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i420Buffer.strideV,
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_cropX,
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_cropY,
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_cropWidth,
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_cropHeight,
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i420Buffer.width,
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i420Buffer.height,
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libyuv::kRotate0,
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libyuvPixelFormat);
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i420Buffer.height);
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} else if (pixelFormat == kCVPixelFormatType_32ARGB) {
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// Corresponds to libyuv::FOURCC_BGRA
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libyuv::BGRAToI420(src,
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bytesPerRow,
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i420Buffer.mutableDataY,
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i420Buffer.strideY,
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i420Buffer.mutableDataU,
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i420Buffer.strideU,
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i420Buffer.mutableDataV,
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i420Buffer.strideV,
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i420Buffer.width,
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i420Buffer.height);
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}
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if (scaledPixelBuffer) {
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CVPixelBufferUnlockBaseAddress(scaledPixelBuffer, kCVPixelBufferLock_ReadOnly);
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CVBufferRelease(scaledPixelBuffer);
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}
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break;
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}
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default: { RTC_NOTREACHED() << "Unsupported pixel format."; }
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@ -226,11 +261,9 @@
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// Prepare source pointers.
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CVPixelBufferLockBaseAddress(_pixelBuffer, kCVPixelBufferLock_ReadOnly);
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const uint8_t* srcY =
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static_cast<const uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 0));
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const uint8_t* srcY = static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 0));
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const int srcYStride = CVPixelBufferGetBytesPerRowOfPlane(_pixelBuffer, 0);
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const uint8_t* srcUV =
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static_cast<const uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 1));
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const uint8_t* srcUV = static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(_pixelBuffer, 1));
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const int srcUVStride = CVPixelBufferGetBytesPerRowOfPlane(_pixelBuffer, 1);
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// Crop just by modifying pointers.
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@ -264,13 +297,12 @@
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const int dstWidth = CVPixelBufferGetWidth(outputPixelBuffer);
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const int dstHeight = CVPixelBufferGetHeight(outputPixelBuffer);
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uint8_t* dst =
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reinterpret_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(outputPixelBuffer, 0));
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const int dstStride = CVPixelBufferGetBytesPerRowOfPlane(outputPixelBuffer, 0);
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uint8_t* dst = reinterpret_cast<uint8_t*>(CVPixelBufferGetBaseAddress(outputPixelBuffer));
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const int dstStride = CVPixelBufferGetBytesPerRow(outputPixelBuffer);
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// Prepare source pointers.
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CVPixelBufferLockBaseAddress(_pixelBuffer, kCVPixelBufferLock_ReadOnly);
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const uint8_t* src = static_cast<const uint8_t*>(CVPixelBufferGetBaseAddress(_pixelBuffer));
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const uint8_t* src = static_cast<uint8_t*>(CVPixelBufferGetBaseAddress(_pixelBuffer));
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const int srcStride = CVPixelBufferGetBytesPerRow(_pixelBuffer);
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// Crop just by modifying pointers.
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@ -89,6 +89,10 @@
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return self;
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}
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- (rtc::scoped_refptr<webrtc::I420BufferInterface>)nativeI420Buffer {
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return _i420Buffer;
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}
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@end
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@implementation RTCMutableI420Buffer
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@ -71,6 +71,8 @@ RTC_EXPORT
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@property(nonatomic, readonly) CVPixelBufferRef pixelBuffer;
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@property(nonatomic, readonly) int cropX;
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@property(nonatomic, readonly) int cropY;
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@property(nonatomic, readonly) int cropWidth;
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@property(nonatomic, readonly) int cropHeight;
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+ (NSSet<NSNumber *> *)supportedPixelFormats;
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@ -86,10 +88,13 @@ RTC_EXPORT
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- (BOOL)requiresCropping;
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- (BOOL)requiresScalingToWidth:(int)width height:(int)height;
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- (int)bufferSizeForCroppingAndScalingToWidth:(int)width height:(int)height;
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/** The minimum size of the |tmpBuffer| must be the number of bytes returned from the
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* bufferSizeForCroppingAndScalingToWidth:height: method.
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* If that size is 0, the |tmpBuffer| may be nil.
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*/
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- (BOOL)cropAndScaleTo:(CVPixelBufferRef)outputPixelBuffer withTempBuffer:(uint8_t *)tmpBuffer;
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- (BOOL)cropAndScaleTo:(CVPixelBufferRef)outputPixelBuffer
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withTempBuffer:(nullable uint8_t *)tmpBuffer;
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@end
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364
sdk/objc/Framework/UnitTests/ObjCVideoTrackSource_xctest.mm
Normal file
364
sdk/objc/Framework/UnitTests/ObjCVideoTrackSource_xctest.mm
Normal file
@ -0,0 +1,364 @@
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/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <Foundation/Foundation.h>
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#import <XCTest/XCTest.h>
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#include "sdk/objc/Framework/Native/src/objc_video_track_source.h"
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#import "Video/RTCI420Buffer+Private.h"
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#import "WebRTC/RTCVideoFrame.h"
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#import "WebRTC/RTCVideoFrameBuffer.h"
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#include "common_video/libyuv/include/webrtc_libyuv.h"
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#include "media/base/fakevideorenderer.h"
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#include "rtc_base/refcountedobject.h"
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#include "rtc_base/scoped_ref_ptr.h"
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#include "sdk/objc/Framework/Native/api/video_frame.h"
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#import "sdk/objc/Framework/UnitTests/frame_buffer_helpers.h"
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typedef void (^VideoSinkCallback)(RTCVideoFrame *);
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namespace {
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class ObjCCallbackVideoSink : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
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public:
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ObjCCallbackVideoSink(VideoSinkCallback callback) : callback_(callback) {}
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virtual void OnFrame(const webrtc::VideoFrame &frame) {
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callback_(NativeToObjCVideoFrame(frame));
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}
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private:
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VideoSinkCallback callback_;
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};
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} // namespace
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@interface ObjCVideoTrackSourceTests : XCTestCase
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@end
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@implementation ObjCVideoTrackSourceTests {
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rtc::scoped_refptr<webrtc::ObjCVideoTrackSource> _video_source;
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}
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- (void)setUp {
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_video_source = new rtc::RefCountedObject<webrtc::ObjCVideoTrackSource>();
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}
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- (void)tearDown {
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_video_source = NULL;
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}
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- (void)testOnCapturedFrameAdaptsFrame {
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CVPixelBufferRef pixelBufferRef = NULL;
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CVPixelBufferCreate(
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NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
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RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
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RTCVideoFrame *frame =
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[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
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cricket::FakeVideoRenderer *video_renderer = new cricket::FakeVideoRenderer();
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const rtc::VideoSinkWants video_sink_wants;
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rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source;
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video_source_interface->AddOrUpdateSink(video_renderer, video_sink_wants);
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_video_source->OnOutputFormatRequest(640, 360, 30);
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_video_source->OnCapturedFrame(frame);
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XCTAssertEqual(video_renderer->num_rendered_frames(), 1);
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XCTAssertEqual(video_renderer->width(), 360);
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XCTAssertEqual(video_renderer->height(), 640);
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CVBufferRelease(pixelBufferRef);
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}
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- (void)testOnCapturedFrameWithoutAdaptation {
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CVPixelBufferRef pixelBufferRef = NULL;
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CVPixelBufferCreate(
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NULL, 360, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
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RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
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RTCVideoFrame *frame =
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[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
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XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
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ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
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XCTAssertEqual(frame.width, outputFrame.width);
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XCTAssertEqual(frame.height, outputFrame.height);
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RTCCVPixelBuffer *outputBuffer = outputFrame.buffer;
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XCTAssertEqual(buffer.cropX, outputBuffer.cropX);
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XCTAssertEqual(buffer.cropY, outputBuffer.cropY);
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XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
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[callbackExpectation fulfill];
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});
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const rtc::VideoSinkWants video_sink_wants;
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rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source;
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video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
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_video_source->OnOutputFormatRequest(640, 360, 30);
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_video_source->OnCapturedFrame(frame);
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[self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
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CVBufferRelease(pixelBufferRef);
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}
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- (void)testOnCapturedFrameCVPixelBufferNeedsAdaptation {
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CVPixelBufferRef pixelBufferRef = NULL;
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CVPixelBufferCreate(
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NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
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RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
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RTCVideoFrame *frame =
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[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
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XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
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ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
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XCTAssertEqual(outputFrame.width, 360);
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XCTAssertEqual(outputFrame.height, 640);
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RTCCVPixelBuffer *outputBuffer = outputFrame.buffer;
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XCTAssertEqual(outputBuffer.cropX, 0);
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XCTAssertEqual(outputBuffer.cropY, 0);
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XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
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[callbackExpectation fulfill];
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});
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const rtc::VideoSinkWants video_sink_wants;
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rtc::VideoSourceInterface<webrtc::VideoFrame> *video_source_interface = _video_source;
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video_source_interface->AddOrUpdateSink(&callback_video_sink, video_sink_wants);
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_video_source->OnOutputFormatRequest(640, 360, 30);
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_video_source->OnCapturedFrame(frame);
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[self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
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CVBufferRelease(pixelBufferRef);
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}
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- (void)testOnCapturedFrameCVPixelBufferNeedsCropping {
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CVPixelBufferRef pixelBufferRef = NULL;
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CVPixelBufferCreate(
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NULL, 380, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
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RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
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RTCVideoFrame *frame =
|
||||
[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
|
||||
|
||||
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
|
||||
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
|
||||
XCTAssertEqual(outputFrame.width, 360);
|
||||
XCTAssertEqual(outputFrame.height, 640);
|
||||
|
||||
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;
|
||||
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);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef
|
||||
adaptedWidth:700
|
||||
adaptedHeight:700
|
||||
cropWidth:720
|
||||
cropHeight:1280
|
||||
cropX:0
|
||||
cropY:0];
|
||||
RTCVideoFrame *frame =
|
||||
[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
|
||||
|
||||
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
|
||||
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
|
||||
XCTAssertEqual(outputFrame.width, 297);
|
||||
XCTAssertEqual(outputFrame.height, 525);
|
||||
|
||||
RTCCVPixelBuffer *outputBuffer = outputFrame.buffer;
|
||||
XCTAssertEqual(outputBuffer.cropX, 152);
|
||||
XCTAssertEqual(outputBuffer.cropY, 0);
|
||||
XCTAssertEqual(outputBuffer.cropWidth, 396);
|
||||
XCTAssertEqual(outputBuffer.cropHeight, 700);
|
||||
XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
|
||||
|
||||
[callbackExpectation fulfill];
|
||||
});
|
||||
|
||||
const rtc::VideoSinkWants video_sink_wants;
|
||||
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->OnCapturedFrame(frame);
|
||||
|
||||
[self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testOnCapturedFramePreCroppedCVPixelBufferNeedsCropping {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 380, 640, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef
|
||||
adaptedWidth:370
|
||||
adaptedHeight:640
|
||||
cropWidth:370
|
||||
cropHeight:640
|
||||
cropX:10
|
||||
cropY:0];
|
||||
RTCVideoFrame *frame =
|
||||
[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
|
||||
|
||||
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
|
||||
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
|
||||
XCTAssertEqual(outputFrame.width, 360);
|
||||
XCTAssertEqual(outputFrame.height, 640);
|
||||
|
||||
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;
|
||||
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);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef
|
||||
adaptedWidth:300
|
||||
adaptedHeight:640
|
||||
cropWidth:300
|
||||
cropHeight:640
|
||||
cropX:40
|
||||
cropY:0];
|
||||
RTCVideoFrame *frame =
|
||||
[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
|
||||
|
||||
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
|
||||
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
|
||||
XCTAssertEqual(outputFrame.width, 300);
|
||||
XCTAssertEqual(outputFrame.height, 533);
|
||||
|
||||
RTCCVPixelBuffer *outputBuffer = outputFrame.buffer;
|
||||
XCTAssertEqual(outputBuffer.cropX, 40);
|
||||
XCTAssertEqual(outputBuffer.cropY, 52);
|
||||
XCTAssertEqual(outputBuffer.cropWidth, 300);
|
||||
XCTAssertEqual(outputBuffer.cropHeight, 533);
|
||||
XCTAssertEqual(buffer.pixelBuffer, outputBuffer.pixelBuffer);
|
||||
|
||||
[callbackExpectation fulfill];
|
||||
});
|
||||
|
||||
const rtc::VideoSinkWants video_sink_wants;
|
||||
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->OnCapturedFrame(frame);
|
||||
|
||||
[self waitForExpectations:@[ callbackExpectation ] timeout:10.0];
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testOnCapturedFrameI420BufferNeedsAdaptation {
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer = CreateI420Gradient(720, 1280);
|
||||
RTCI420Buffer *buffer = [[RTCI420Buffer alloc] initWithFrameBuffer:i420Buffer];
|
||||
RTCVideoFrame *frame =
|
||||
[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
|
||||
|
||||
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
|
||||
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
|
||||
XCTAssertEqual(outputFrame.width, 360);
|
||||
XCTAssertEqual(outputFrame.height, 640);
|
||||
|
||||
RTCI420Buffer *outputBuffer = (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;
|
||||
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);
|
||||
RTCI420Buffer *buffer = [[RTCI420Buffer alloc] initWithFrameBuffer:i420Buffer];
|
||||
RTCVideoFrame *frame =
|
||||
[[RTCVideoFrame alloc] initWithBuffer:buffer rotation:RTCVideoRotation_0 timeStampNs:0];
|
||||
|
||||
XCTestExpectation *callbackExpectation = [self expectationWithDescription:@"videoSinkCallback"];
|
||||
ObjCCallbackVideoSink callback_video_sink(^void(RTCVideoFrame *outputFrame) {
|
||||
XCTAssertEqual(outputFrame.width, 360);
|
||||
XCTAssertEqual(outputFrame.height, 640);
|
||||
|
||||
RTCI420Buffer *outputBuffer = (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;
|
||||
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
|
||||
264
sdk/objc/Framework/UnitTests/RTCCVPixelBuffer_xctest.mm
Normal file
264
sdk/objc/Framework/UnitTests/RTCCVPixelBuffer_xctest.mm
Normal file
@ -0,0 +1,264 @@
|
||||
/*
|
||||
* 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>
|
||||
|
||||
#import "Video/RTCI420Buffer+Private.h"
|
||||
#import "WebRTC/RTCVideoFrame.h"
|
||||
#import "WebRTC/RTCVideoFrameBuffer.h"
|
||||
#include "common_video/libyuv/include/webrtc_libyuv.h"
|
||||
#import "sdk/objc/Framework/UnitTests/frame_buffer_helpers.h"
|
||||
#include "third_party/libyuv/include/libyuv.h"
|
||||
|
||||
@interface RTCCVPixelBufferTests : XCTestCase
|
||||
@end
|
||||
|
||||
@implementation RTCCVPixelBufferTests {
|
||||
}
|
||||
|
||||
- (void)testRequiresCroppingNoCrop {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
|
||||
XCTAssertFalse([buffer requiresCropping]);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testRequiresCroppingWithCrop {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
RTCCVPixelBuffer *croppedBuffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef
|
||||
adaptedWidth:720
|
||||
adaptedHeight:1280
|
||||
cropWidth:360
|
||||
cropHeight:640
|
||||
cropX:100
|
||||
cropY:100];
|
||||
|
||||
XCTAssertTrue([croppedBuffer requiresCropping]);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testRequiresScalingNoScale {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
XCTAssertFalse([buffer requiresScalingToWidth:720 height:1280]);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testRequiresScalingWithScale {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
XCTAssertTrue([buffer requiresScalingToWidth:360 height:640]);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testRequiresScalingWithScaleAndMatchingCrop {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef
|
||||
adaptedWidth:720
|
||||
adaptedHeight:1280
|
||||
cropWidth:360
|
||||
cropHeight:640
|
||||
cropX:100
|
||||
cropY:100];
|
||||
XCTAssertFalse([buffer requiresScalingToWidth:360 height:640]);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testBufferSize_NV12 {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, 720, 1280, kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange, NULL, &pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
XCTAssertEqual([buffer bufferSizeForCroppingAndScalingToWidth:360 height:640], 576000);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testBufferSize_RGB {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(NULL, 720, 1280, kCVPixelFormatType_32BGRA, NULL, &pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
XCTAssertEqual([buffer bufferSizeForCroppingAndScalingToWidth:360 height:640], 0);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)testCropAndScale_NV12 {
|
||||
[self cropAndScaleTestWithNV12];
|
||||
}
|
||||
|
||||
- (void)testCropAndScaleNoOp_NV12 {
|
||||
[self cropAndScaleTestWithNV12InputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange
|
||||
outputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange
|
||||
outputSize:CGSizeMake(720, 1280)];
|
||||
}
|
||||
|
||||
- (void)testCropAndScale_NV12FullToVideo {
|
||||
[self cropAndScaleTestWithNV12InputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarFullRange
|
||||
outputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange];
|
||||
}
|
||||
|
||||
- (void)testCropAndScaleZeroSizeFrame_NV12 {
|
||||
[self cropAndScaleTestWithNV12InputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange
|
||||
outputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange
|
||||
outputSize:CGSizeMake(0, 0)];
|
||||
}
|
||||
|
||||
- (void)testCropAndScale_32BGRA {
|
||||
[self cropAndScaleTestWithRGBPixelFormat:kCVPixelFormatType_32BGRA];
|
||||
}
|
||||
|
||||
- (void)testCropAndScale_32ARGB {
|
||||
[self cropAndScaleTestWithRGBPixelFormat:kCVPixelFormatType_32ARGB];
|
||||
}
|
||||
|
||||
- (void)testToI420_NV12 {
|
||||
[self toI420WithPixelFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange];
|
||||
}
|
||||
|
||||
- (void)testToI420_32BGRA {
|
||||
[self toI420WithPixelFormat:kCVPixelFormatType_32BGRA];
|
||||
}
|
||||
|
||||
- (void)testToI420_32ARGB {
|
||||
[self toI420WithPixelFormat:kCVPixelFormatType_32ARGB];
|
||||
}
|
||||
|
||||
#pragma mark - Shared test code
|
||||
|
||||
- (void)cropAndScaleTestWithNV12 {
|
||||
[self cropAndScaleTestWithNV12InputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange
|
||||
outputFormat:kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange];
|
||||
}
|
||||
|
||||
- (void)cropAndScaleTestWithNV12InputFormat:(OSType)inputFormat outputFormat:(OSType)outputFormat {
|
||||
[self cropAndScaleTestWithNV12InputFormat:(OSType)inputFormat
|
||||
outputFormat:(OSType)outputFormat
|
||||
outputSize:CGSizeMake(360, 640)];
|
||||
}
|
||||
|
||||
- (void)cropAndScaleTestWithNV12InputFormat:(OSType)inputFormat
|
||||
outputFormat:(OSType)outputFormat
|
||||
outputSize:(CGSize)outputSize {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(NULL, 720, 1280, inputFormat, NULL, &pixelBufferRef);
|
||||
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer = CreateI420Gradient(720, 1280);
|
||||
CopyI420BufferToCVPixelBuffer(i420Buffer, pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
XCTAssertEqual(buffer.width, 720);
|
||||
XCTAssertEqual(buffer.height, 1280);
|
||||
|
||||
CVPixelBufferRef outputPixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(
|
||||
NULL, outputSize.width, outputSize.height, outputFormat, NULL, &outputPixelBufferRef);
|
||||
|
||||
std::vector<uint8_t> frameScaleBuffer;
|
||||
if ([buffer requiresScalingToWidth:outputSize.width height:outputSize.height]) {
|
||||
int size =
|
||||
[buffer bufferSizeForCroppingAndScalingToWidth:outputSize.width height:outputSize.height];
|
||||
frameScaleBuffer.resize(size);
|
||||
} else {
|
||||
frameScaleBuffer.clear();
|
||||
}
|
||||
frameScaleBuffer.shrink_to_fit();
|
||||
|
||||
[buffer cropAndScaleTo:outputPixelBufferRef withTempBuffer:frameScaleBuffer.data()];
|
||||
|
||||
RTCCVPixelBuffer *scaledBuffer =
|
||||
[[RTCCVPixelBuffer alloc] initWithPixelBuffer:outputPixelBufferRef];
|
||||
XCTAssertEqual(scaledBuffer.width, outputSize.width);
|
||||
XCTAssertEqual(scaledBuffer.height, outputSize.height);
|
||||
|
||||
if (outputSize.width > 0 && outputSize.height > 0) {
|
||||
RTCI420Buffer *originalBufferI420 = [buffer toI420];
|
||||
RTCI420Buffer *scaledBufferI420 = [scaledBuffer toI420];
|
||||
double psnr =
|
||||
I420PSNR(*[originalBufferI420 nativeI420Buffer], *[scaledBufferI420 nativeI420Buffer]);
|
||||
XCTAssertEqual(psnr, webrtc::kPerfectPSNR);
|
||||
}
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)cropAndScaleTestWithRGBPixelFormat:(OSType)pixelFormat {
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(NULL, 720, 1280, pixelFormat, NULL, &pixelBufferRef);
|
||||
|
||||
DrawGradientInRGBPixelBuffer(pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
XCTAssertEqual(buffer.width, 720);
|
||||
XCTAssertEqual(buffer.height, 1280);
|
||||
|
||||
CVPixelBufferRef outputPixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(NULL, 360, 640, pixelFormat, NULL, &outputPixelBufferRef);
|
||||
[buffer cropAndScaleTo:outputPixelBufferRef withTempBuffer:NULL];
|
||||
|
||||
RTCCVPixelBuffer *scaledBuffer =
|
||||
[[RTCCVPixelBuffer alloc] initWithPixelBuffer:outputPixelBufferRef];
|
||||
XCTAssertEqual(scaledBuffer.width, 360);
|
||||
XCTAssertEqual(scaledBuffer.height, 640);
|
||||
|
||||
RTCI420Buffer *originalBufferI420 = [buffer toI420];
|
||||
RTCI420Buffer *scaledBufferI420 = [scaledBuffer toI420];
|
||||
double psnr =
|
||||
I420PSNR(*[originalBufferI420 nativeI420Buffer], *[scaledBufferI420 nativeI420Buffer]);
|
||||
XCTAssertEqual(psnr, webrtc::kPerfectPSNR);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
- (void)toI420WithPixelFormat:(OSType)pixelFormat {
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer = CreateI420Gradient(360, 640);
|
||||
|
||||
CVPixelBufferRef pixelBufferRef = NULL;
|
||||
CVPixelBufferCreate(NULL, 360, 640, pixelFormat, NULL, &pixelBufferRef);
|
||||
|
||||
CopyI420BufferToCVPixelBuffer(i420Buffer, pixelBufferRef);
|
||||
|
||||
RTCCVPixelBuffer *buffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBufferRef];
|
||||
RTCI420Buffer *fromCVPixelBuffer = [buffer toI420];
|
||||
|
||||
double psnr = I420PSNR(*i420Buffer, *[fromCVPixelBuffer nativeI420Buffer]);
|
||||
double target = webrtc::kPerfectPSNR;
|
||||
if (pixelFormat != kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange) {
|
||||
// libyuv's I420ToRGB functions seem to lose some quality.
|
||||
target = 19.0;
|
||||
}
|
||||
XCTAssertGreaterThanOrEqual(psnr, target);
|
||||
|
||||
CVBufferRelease(pixelBufferRef);
|
||||
}
|
||||
|
||||
@end
|
||||
22
sdk/objc/Framework/UnitTests/frame_buffer_helpers.h
Normal file
22
sdk/objc/Framework/UnitTests/frame_buffer_helpers.h
Normal file
@ -0,0 +1,22 @@
|
||||
/*
|
||||
* 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 <AVFoundation/AVFoundation.h>
|
||||
|
||||
#include "api/video/i420_buffer.h"
|
||||
|
||||
void DrawGradientInRGBPixelBuffer(CVPixelBufferRef pixelBuffer);
|
||||
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> CreateI420Gradient(int width,
|
||||
int height);
|
||||
|
||||
void CopyI420BufferToCVPixelBuffer(
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer,
|
||||
CVPixelBufferRef pixelBuffer);
|
||||
123
sdk/objc/Framework/UnitTests/frame_buffer_helpers.mm
Normal file
123
sdk/objc/Framework/UnitTests/frame_buffer_helpers.mm
Normal file
@ -0,0 +1,123 @@
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include "sdk/objc/Framework/UnitTests/frame_buffer_helpers.h"
|
||||
|
||||
#include "third_party/libyuv/include/libyuv.h"
|
||||
|
||||
void DrawGradientInRGBPixelBuffer(CVPixelBufferRef pixelBuffer) {
|
||||
CVPixelBufferLockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
|
||||
void* baseAddr = CVPixelBufferGetBaseAddress(pixelBuffer);
|
||||
size_t width = CVPixelBufferGetWidth(pixelBuffer);
|
||||
size_t height = CVPixelBufferGetHeight(pixelBuffer);
|
||||
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
|
||||
CGContextRef cgContext = CGBitmapContextCreate(baseAddr,
|
||||
width,
|
||||
height,
|
||||
8,
|
||||
CVPixelBufferGetBytesPerRow(pixelBuffer),
|
||||
colorSpace,
|
||||
kCGImageAlphaNoneSkipLast);
|
||||
|
||||
// Create a gradient
|
||||
CGFloat colors[] = {
|
||||
1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0,
|
||||
};
|
||||
CGGradientRef gradient = CGGradientCreateWithColorComponents(colorSpace, colors, NULL, 4);
|
||||
|
||||
CGContextDrawLinearGradient(
|
||||
cgContext, gradient, CGPointMake(0, 0), CGPointMake(width, height), 0);
|
||||
CGGradientRelease(gradient);
|
||||
|
||||
CGImageRef cgImage = CGBitmapContextCreateImage(cgContext);
|
||||
CGContextRelease(cgContext);
|
||||
CGImageRelease(cgImage);
|
||||
CGColorSpaceRelease(colorSpace);
|
||||
|
||||
CVPixelBufferUnlockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
|
||||
}
|
||||
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> CreateI420Gradient(int width, int height) {
|
||||
rtc::scoped_refptr<webrtc::I420Buffer> buffer(webrtc::I420Buffer::Create(width, height));
|
||||
// Initialize with gradient, Y = 128(x/w + y/h), U = 256 x/w, V = 256 y/h
|
||||
for (int x = 0; x < width; x++) {
|
||||
for (int y = 0; y < height; y++) {
|
||||
buffer->MutableDataY()[x + y * width] = 128 * (x * height + y * width) / (width * height);
|
||||
}
|
||||
}
|
||||
int chroma_width = buffer->ChromaWidth();
|
||||
int chroma_height = buffer->ChromaHeight();
|
||||
for (int x = 0; x < chroma_width; x++) {
|
||||
for (int y = 0; y < chroma_height; y++) {
|
||||
buffer->MutableDataU()[x + y * chroma_width] = 255 * x / (chroma_width - 1);
|
||||
buffer->MutableDataV()[x + y * chroma_width] = 255 * y / (chroma_height - 1);
|
||||
}
|
||||
}
|
||||
return buffer;
|
||||
}
|
||||
|
||||
void CopyI420BufferToCVPixelBuffer(rtc::scoped_refptr<webrtc::I420Buffer> i420Buffer,
|
||||
CVPixelBufferRef pixelBuffer) {
|
||||
CVPixelBufferLockBaseAddress(pixelBuffer, 0);
|
||||
|
||||
const OSType pixelFormat = CVPixelBufferGetPixelFormatType(pixelBuffer);
|
||||
if (pixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange ||
|
||||
pixelFormat == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) {
|
||||
// NV12
|
||||
uint8_t* dstY = static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(pixelBuffer, 0));
|
||||
const int dstYStride = CVPixelBufferGetBytesPerRowOfPlane(pixelBuffer, 0);
|
||||
uint8_t* dstUV = static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(pixelBuffer, 1));
|
||||
const int dstUVStride = CVPixelBufferGetBytesPerRowOfPlane(pixelBuffer, 1);
|
||||
|
||||
libyuv::I420ToNV12(i420Buffer->DataY(),
|
||||
i420Buffer->StrideY(),
|
||||
i420Buffer->DataU(),
|
||||
i420Buffer->StrideU(),
|
||||
i420Buffer->DataV(),
|
||||
i420Buffer->StrideV(),
|
||||
dstY,
|
||||
dstYStride,
|
||||
dstUV,
|
||||
dstUVStride,
|
||||
i420Buffer->width(),
|
||||
i420Buffer->height());
|
||||
} else {
|
||||
uint8_t* dst = static_cast<uint8_t*>(CVPixelBufferGetBaseAddress(pixelBuffer));
|
||||
const int bytesPerRow = CVPixelBufferGetBytesPerRow(pixelBuffer);
|
||||
|
||||
if (pixelFormat == kCVPixelFormatType_32BGRA) {
|
||||
// Corresponds to libyuv::FOURCC_ARGB
|
||||
libyuv::I420ToARGB(i420Buffer->DataY(),
|
||||
i420Buffer->StrideY(),
|
||||
i420Buffer->DataU(),
|
||||
i420Buffer->StrideU(),
|
||||
i420Buffer->DataV(),
|
||||
i420Buffer->StrideV(),
|
||||
dst,
|
||||
bytesPerRow,
|
||||
i420Buffer->width(),
|
||||
i420Buffer->height());
|
||||
} else if (pixelFormat == kCVPixelFormatType_32ARGB) {
|
||||
// Corresponds to libyuv::FOURCC_BGRA
|
||||
libyuv::I420ToBGRA(i420Buffer->DataY(),
|
||||
i420Buffer->StrideY(),
|
||||
i420Buffer->DataU(),
|
||||
i420Buffer->StrideU(),
|
||||
i420Buffer->DataV(),
|
||||
i420Buffer->StrideV(),
|
||||
dst,
|
||||
bytesPerRow,
|
||||
i420Buffer->width(),
|
||||
i420Buffer->height());
|
||||
}
|
||||
}
|
||||
|
||||
CVPixelBufferUnlockBaseAddress(pixelBuffer, 0);
|
||||
}
|
||||
Reference in New Issue
Block a user