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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "ImageTransferSessionVT.h"
#if USE(VIDEOTOOLBOX)
#import "Logging.h"
#import "MediaSampleAVFObjC.h"
#import <CoreMedia/CMFormatDescription.h>
#import <CoreMedia/CMSampleBuffer.h>
#import <pal/cf/CoreMediaSoftLink.h>
#if HAVE(IOSURFACE) && !PLATFORM(MACCATALYST)
#include <pal/spi/cocoa/IOSurfaceSPI.h>
#endif
#import "CoreVideoSoftLink.h"
namespace WebCore {
using namespace PAL;
static inline CFStringRef cvPixelFormatOpenGLKey()
{
#if PLATFORM(IOS_FAMILY) && !PLATFORM(MACCATALYST)
return kCVPixelFormatOpenGLESCompatibility;
#else
return kCVPixelBufferOpenGLCompatibilityKey;
#endif
}
ImageTransferSessionVT::ImageTransferSessionVT(uint32_t pixelFormat)
{
VTPixelTransferSessionRef transferSession;
VTPixelTransferSessionCreate(kCFAllocatorDefault, &transferSession);
ASSERT(transferSession);
m_transferSession = adoptCF(transferSession);
auto status = VTSessionSetProperty(transferSession, kVTPixelTransferPropertyKey_ScalingMode, kVTScalingMode_Trim);
if (status != kCVReturnSuccess)
RELEASE_LOG(Media, "ImageTransferSessionVT::ImageTransferSessionVT: VTSessionSetProperty(kVTPixelTransferPropertyKey_ScalingMode) failed with error %d", static_cast<int>(status));
status = VTSessionSetProperty(transferSession, kVTPixelTransferPropertyKey_EnableHighSpeedTransfer, @YES);
if (status != kCVReturnSuccess)
RELEASE_LOG(Media, "ImageTransferSessionVT::ImageTransferSessionVT: VTSessionSetProperty(kVTPixelTransferPropertyKey_EnableHighSpeedTransfer) failed with error %d", static_cast<int>(status));
status = VTSessionSetProperty(transferSession, kVTPixelTransferPropertyKey_RealTime, @YES);
if (status != kCVReturnSuccess)
RELEASE_LOG(Media, "ImageTransferSessionVT::ImageTransferSessionVT: VTSessionSetProperty(kVTPixelTransferPropertyKey_RealTime) failed with error %d", static_cast<int>(status));
#if PLATFORM(IOS_FAMILY) && !PLATFORM(MACCATALYST)
status = VTSessionSetProperty(transferSession, kVTPixelTransferPropertyKey_EnableHardwareAcceleratedTransfer, @YES);
if (status != kCVReturnSuccess)
RELEASE_LOG(Media, "ImageTransferSessionVT::ImageTransferSessionVT: VTSessionSetProperty(kVTPixelTransferPropertyKey_EnableHardwareAcceleratedTransfer) failed with error %d", static_cast<int>(status));
#endif
m_pixelFormat = pixelFormat;
}
bool ImageTransferSessionVT::setSize(const IntSize& size)
{
if (m_size == size && m_outputBufferPool)
return true;
NSDictionary* pixelBufferOptions = @{
(__bridge NSString *)kCVPixelBufferWidthKey : @(size.width()),
(__bridge NSString *)kCVPixelBufferHeightKey : @(size.height()),
(__bridge NSString *)kCVPixelBufferPixelFormatTypeKey : @(m_pixelFormat),
(__bridge NSString *)cvPixelFormatOpenGLKey() : @YES,
(__bridge NSString *)kCVPixelBufferIOSurfacePropertiesKey : @{ /*empty dictionary*/ },
};
NSDictionary* pixelBufferPoolOptions = @{
(__bridge NSString *)kCVPixelBufferPoolMinimumBufferCountKey: @(6)
};
CVPixelBufferPoolRef bufferPool;
auto status = CVPixelBufferPoolCreate(kCFAllocatorDefault, (__bridge CFDictionaryRef)pixelBufferPoolOptions, (__bridge CFDictionaryRef)pixelBufferOptions, &bufferPool);
ASSERT(!status);
if (status != kCVReturnSuccess)
return false;
m_outputBufferPool = adoptCF(bufferPool);
m_size = size;
m_ioSurfaceBufferAttributes = nullptr;
return true;
}
RetainPtr<CVPixelBufferRef> ImageTransferSessionVT::convertPixelBuffer(CVPixelBufferRef sourceBuffer, const IntSize& size)
{
if (sourceBuffer && m_size == IntSize(CVPixelBufferGetWidth(sourceBuffer), CVPixelBufferGetHeight(sourceBuffer)) && m_pixelFormat == CVPixelBufferGetPixelFormatType(sourceBuffer))
return retainPtr(sourceBuffer);
if (!sourceBuffer || !setSize(size))
return nullptr;
CVPixelBufferRef outputBuffer = nullptr;
auto status = CVPixelBufferPoolCreatePixelBuffer(kCFAllocatorDefault, m_outputBufferPool.get(), &outputBuffer);
if (status) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertPixelBuffer, CVPixelBufferPoolCreatePixelBuffer failed with error %d", static_cast<int>(status));
return nullptr;
}
auto result = adoptCF(outputBuffer);
auto err = VTPixelTransferSessionTransferImage(m_transferSession.get(), sourceBuffer, outputBuffer);
if (err) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertPixelBuffer, VTPixelTransferSessionTransferImage failed with error %d", static_cast<int>(err));
return nullptr;
}
return result;
}
RetainPtr<CVPixelBufferRef> ImageTransferSessionVT::createPixelBuffer(CMSampleBufferRef sourceBuffer, const IntSize& size)
{
return convertPixelBuffer(CMSampleBufferGetImageBuffer(sourceBuffer), size);
}
RetainPtr<CMSampleBufferRef> ImageTransferSessionVT::convertCMSampleBuffer(CMSampleBufferRef sourceBuffer, const IntSize& size)
{
if (!sourceBuffer)
return nullptr;
auto description = CMSampleBufferGetFormatDescription(sourceBuffer);
auto sourceSize = FloatSize(CMVideoFormatDescriptionGetPresentationDimensions(description, true, true));
auto pixelBuffer = static_cast<CVPixelBufferRef>(CMSampleBufferGetImageBuffer(sourceBuffer));
if (size == expandedIntSize(sourceSize) && m_pixelFormat == CVPixelBufferGetPixelFormatType(pixelBuffer))
return retainPtr(sourceBuffer);
if (!setSize(size))
return nullptr;
auto convertedPixelBuffer = createPixelBuffer(sourceBuffer, size);
if (!convertedPixelBuffer)
return nullptr;
CMItemCount itemCount = 0;
auto status = CMSampleBufferGetSampleTimingInfoArray(sourceBuffer, 1, nullptr, &itemCount);
if (status != noErr) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertCMSampleBuffer: CMSampleBufferGetSampleTimingInfoArray failed with error code: %d", static_cast<int>(status));
return nullptr;
}
Vector<CMSampleTimingInfo> timingInfoArray;
CMSampleTimingInfo* timeingInfoPtr = nullptr;
if (itemCount) {
timingInfoArray.grow(itemCount);
status = CMSampleBufferGetSampleTimingInfoArray(sourceBuffer, itemCount, timingInfoArray.data(), nullptr);
if (status != noErr) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertCMSampleBuffer: CMSampleBufferGetSampleTimingInfoArray failed with error code: %d", static_cast<int>(status));
return nullptr;
}
timeingInfoPtr = timingInfoArray.data();
}
CMVideoFormatDescriptionRef formatDescription = nullptr;
status = CMVideoFormatDescriptionCreateForImageBuffer(kCFAllocatorDefault, convertedPixelBuffer.get(), &formatDescription);
if (status != noErr) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertCMSampleBuffer: CMVideoFormatDescriptionCreateForImageBuffer returned: %d", static_cast<int>(status));
return nullptr;
}
CMSampleBufferRef resizedSampleBuffer;
status = CMSampleBufferCreateReadyWithImageBuffer(kCFAllocatorDefault, convertedPixelBuffer.get(), formatDescription, timeingInfoPtr, &resizedSampleBuffer);
CFRelease(formatDescription);
if (status != noErr) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertCMSampleBuffer: failed to create CMSampleBuffer with error code: %d", static_cast<int>(status));
return nullptr;
}
return adoptCF(resizedSampleBuffer);
}
RetainPtr<CVPixelBufferRef> ImageTransferSessionVT::createPixelBuffer(CGImageRef image, const IntSize& size)
{
if (!image || !setSize(size))
return nullptr;
CVPixelBufferRef rgbBuffer;
auto imageSize = IntSize(CGImageGetWidth(image), CGImageGetHeight(image));
auto status = CVPixelBufferCreate(kCFAllocatorDefault, imageSize.width(), imageSize.height(), kCVPixelFormatType_32ARGB, nullptr, &rgbBuffer);
if (status != kCVReturnSuccess) {
RELEASE_LOG(Media, "ImageTransferSessionVT::createPixelBuffer: CVPixelBufferCreate failed with error code: %d", static_cast<int>(status));
return nullptr;
}
CVPixelBufferLockBaseAddress(rgbBuffer, 0);
void* data = CVPixelBufferGetBaseAddress(rgbBuffer);
auto retainedRGBBuffer = adoptCF(rgbBuffer);
auto context = CGBitmapContextCreate(data, imageSize.width(), imageSize.height(), 8, CVPixelBufferGetBytesPerRow(rgbBuffer), sRGBColorSpaceRef(), (CGBitmapInfo) kCGImageAlphaNoneSkipFirst);
if (!context) {
RELEASE_LOG(Media, "ImageTransferSessionVT::createPixelBuffer: CGBitmapContextCreate returned nullptr");
return nullptr;
}
auto retainedContext = adoptCF(context);
CGContextDrawImage(context, CGRectMake(0, 0, imageSize.width(), imageSize.height()), image);
CVPixelBufferUnlockBaseAddress(rgbBuffer, 0);
return convertPixelBuffer(rgbBuffer, size);
}
RetainPtr<CMSampleBufferRef> ImageTransferSessionVT::createCMSampleBuffer(CVPixelBufferRef sourceBuffer, const MediaTime& sampleTime, const IntSize& size)
{
if (!sourceBuffer || !setSize(size))
return nullptr;
auto bufferSize = IntSize(CVPixelBufferGetWidth(sourceBuffer), CVPixelBufferGetHeight(sourceBuffer));
RetainPtr<CVPixelBufferRef> inputBuffer = sourceBuffer;
if (bufferSize != m_size || m_pixelFormat != CVPixelBufferGetPixelFormatType(sourceBuffer)) {
inputBuffer = convertPixelBuffer(sourceBuffer, m_size);
if (!inputBuffer)
return nullptr;
}
CMVideoFormatDescriptionRef formatDescription = nullptr;
auto status = CMVideoFormatDescriptionCreateForImageBuffer(kCFAllocatorDefault, (CVImageBufferRef)inputBuffer.get(), &formatDescription);
if (status) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertPixelBuffer: failed to initialize CMVideoFormatDescription with error code: %d", static_cast<int>(status));
return nullptr;
}
CMSampleBufferRef sampleBuffer;
auto cmTime = toCMTime(sampleTime);
CMSampleTimingInfo timingInfo = { kCMTimeInvalid, cmTime, cmTime };
status = CMSampleBufferCreateReadyWithImageBuffer(kCFAllocatorDefault, (CVImageBufferRef)inputBuffer.get(), formatDescription, &timingInfo, &sampleBuffer);
CFRelease(formatDescription);
if (status) {
RELEASE_LOG(Media, "ImageTransferSessionVT::convertPixelBuffer: failed to initialize CMSampleBuffer with error code: %d", static_cast<int>(status));
return nullptr;
}
return adoptCF(sampleBuffer);
}
RetainPtr<CMSampleBufferRef> ImageTransferSessionVT::createCMSampleBuffer(CGImageRef image, const MediaTime& sampleTime, const IntSize& size)
{
auto pixelBuffer = createPixelBuffer(image, size);
if (!pixelBuffer)
return nullptr;
return createCMSampleBuffer(pixelBuffer.get(), sampleTime, size);
}
#if HAVE(IOSURFACE) && !PLATFORM(MACCATALYST)
#if PLATFORM(MAC)
static int32_t roundUpToMacroblockMultiple(int32_t size)
{
return (size + 15) & ~15;
}
#endif
CFDictionaryRef ImageTransferSessionVT::ioSurfacePixelBufferCreationOptions(IOSurfaceRef surface)
{
if (m_ioSurfaceBufferAttributes)
return m_ioSurfaceBufferAttributes.get();
m_ioSurfaceBufferAttributes = (__bridge CFDictionaryRef) @{
(__bridge NSString *)cvPixelFormatOpenGLKey() : @YES,
};
#if PLATFORM(MAC)
auto format = IOSurfaceGetPixelFormat(surface);
auto width = IOSurfaceGetWidth(surface);
auto height = IOSurfaceGetHeight(surface);
auto extendedRight = roundUpToMacroblockMultiple(width) - width;
auto extendedBottom = roundUpToMacroblockMultiple(height) - height;
if ((format == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange || format == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange)
&& (IOSurfaceGetBytesPerRowOfPlane(surface, 0) >= width + extendedRight)
&& (IOSurfaceGetBytesPerRowOfPlane(surface, 1) >= width + extendedRight)
&& (IOSurfaceGetAllocSize(surface) >= (height + extendedBottom) * IOSurfaceGetBytesPerRowOfPlane(surface, 0) * 3 / 2)) {
m_ioSurfaceBufferAttributes = (__bridge CFDictionaryRef) @{
(__bridge NSString *)kCVPixelBufferOpenGLCompatibilityKey : @YES,
(__bridge NSString *)kCVPixelBufferExtendedPixelsRightKey : @(extendedRight),
(__bridge NSString *)kCVPixelBufferExtendedPixelsBottomKey : @(extendedBottom)
};
}
#else
UNUSED_PARAM(surface);
#endif
return m_ioSurfaceBufferAttributes.get();
}
RetainPtr<CVPixelBufferRef> ImageTransferSessionVT::createPixelBuffer(IOSurfaceRef surface, const IntSize& size)
{
if (!surface || !setSize(size))
return nullptr;
CVPixelBufferRef pixelBuffer;
auto status = CVPixelBufferCreateWithIOSurface(kCFAllocatorDefault, surface, ioSurfacePixelBufferCreationOptions(surface), &pixelBuffer);
if (status) {
RELEASE_LOG(Media, "CVPixelBufferCreateWithIOSurface failed with error code: %d", static_cast<int>(status));
return nullptr;
}
auto retainedBuffer = adoptCF(pixelBuffer);
if (m_size == IntSize(CVPixelBufferGetWidth(pixelBuffer), CVPixelBufferGetHeight(pixelBuffer)) && m_pixelFormat == CVPixelBufferGetPixelFormatType(pixelBuffer))
return retainedBuffer;
return convertPixelBuffer(pixelBuffer, size);
}
RetainPtr<CMSampleBufferRef> ImageTransferSessionVT::createCMSampleBuffer(IOSurfaceRef surface, const MediaTime& sampleTime, const IntSize& size)
{
auto pixelBuffer = createPixelBuffer(surface, size);
if (!pixelBuffer)
return nullptr;
return createCMSampleBuffer(pixelBuffer.get(), sampleTime, size);
}
#endif
RefPtr<MediaSample> ImageTransferSessionVT::convertMediaSample(MediaSample& sample, const IntSize& size)
{
ASSERT(sample.platformSample().type == PlatformSample::CMSampleBufferType);
if (size == expandedIntSize(sample.presentationSize()))
return &sample;
auto resizedBuffer = convertCMSampleBuffer(sample.platformSample().sample.cmSampleBuffer, size);
if (!resizedBuffer)
return nullptr;
return MediaSampleAVFObjC::create(resizedBuffer.get(), sample.videoRotation(), sample.videoMirrored());
}
#if HAVE(IOSURFACE) && !PLATFORM(MACCATALYST)
RefPtr<MediaSample> ImageTransferSessionVT::createMediaSample(IOSurfaceRef surface, const MediaTime& sampleTime, const IntSize& size, MediaSample::VideoRotation rotation, bool mirrored)
{
auto sampleBuffer = createCMSampleBuffer(surface, sampleTime, size);
if (!sampleBuffer)
return nullptr;
return MediaSampleAVFObjC::create(sampleBuffer.get(), rotation, mirrored);
}
#endif
RefPtr<MediaSample> ImageTransferSessionVT::createMediaSample(CGImageRef image, const MediaTime& sampleTime, const IntSize& size, MediaSample::VideoRotation rotation, bool mirrored)
{
auto sampleBuffer = createCMSampleBuffer(image, sampleTime, size);
if (!sampleBuffer)
return nullptr;
return MediaSampleAVFObjC::create(sampleBuffer.get(), rotation, mirrored);
}
RefPtr<MediaSample> ImageTransferSessionVT::createMediaSample(CMSampleBufferRef buffer, const IntSize& size, MediaSample::VideoRotation rotation, bool mirrored)
{
auto sampleBuffer = convertCMSampleBuffer(buffer, size);
if (!sampleBuffer)
return nullptr;
return MediaSampleAVFObjC::create(sampleBuffer.get(), rotation, mirrored);
}
} // namespace WebCore
#endif // USE(VIDEOTOOLBOX)