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https://gitlab.winehq.org/wine/wine-gecko.git
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336 lines
12 KiB
C++
336 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MediaData.h"
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#include "MediaInfo.h"
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#ifdef MOZ_OMX_DECODER
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#include "GrallocImages.h"
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#endif
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#include "VideoUtils.h"
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#include "ImageContainer.h"
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namespace mozilla {
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using namespace mozilla::gfx;
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using layers::ImageContainer;
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using layers::PlanarYCbCrImage;
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using layers::PlanarYCbCrData;
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void
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AudioData::EnsureAudioBuffer()
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{
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if (mAudioBuffer)
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return;
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mAudioBuffer = SharedBuffer::Create(mFrames*mChannels*sizeof(AudioDataValue));
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AudioDataValue* data = static_cast<AudioDataValue*>(mAudioBuffer->Data());
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for (uint32_t i = 0; i < mFrames; ++i) {
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for (uint32_t j = 0; j < mChannels; ++j) {
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data[j*mFrames + i] = mAudioData[i*mChannels + j];
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}
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}
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}
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static bool
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ValidatePlane(const VideoData::YCbCrBuffer::Plane& aPlane)
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{
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return aPlane.mWidth <= PlanarYCbCrImage::MAX_DIMENSION &&
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aPlane.mHeight <= PlanarYCbCrImage::MAX_DIMENSION &&
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aPlane.mWidth * aPlane.mHeight < MAX_VIDEO_WIDTH * MAX_VIDEO_HEIGHT &&
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aPlane.mStride > 0;
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}
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#if 0
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static bool
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IsYV12Format(const VideoData::YCbCrBuffer::Plane& aYPlane,
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const VideoData::YCbCrBuffer::Plane& aCbPlane,
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const VideoData::YCbCrBuffer::Plane& aCrPlane)
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{
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return
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aYPlane.mWidth % 2 == 0 &&
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aYPlane.mHeight % 2 == 0 &&
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aYPlane.mWidth / 2 == aCbPlane.mWidth &&
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aYPlane.mHeight / 2 == aCbPlane.mHeight &&
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aCbPlane.mWidth == aCrPlane.mWidth &&
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aCbPlane.mHeight == aCrPlane.mHeight;
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}
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#endif
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VideoData::VideoData(int64_t aOffset, int64_t aTime, int64_t aDuration, int64_t aTimecode)
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: MediaData(VIDEO_FRAME, aOffset, aTime, aDuration),
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mTimecode(aTimecode),
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mDuplicate(true),
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mKeyframe(false)
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{
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MOZ_COUNT_CTOR(VideoData);
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NS_ASSERTION(mDuration >= 0, "Frame must have non-negative duration.");
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}
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VideoData::VideoData(int64_t aOffset,
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int64_t aTime,
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int64_t aDuration,
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bool aKeyframe,
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int64_t aTimecode,
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nsIntSize aDisplay)
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: MediaData(VIDEO_FRAME, aOffset, aTime, aDuration),
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mDisplay(aDisplay),
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mTimecode(aTimecode),
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mDuplicate(false),
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mKeyframe(aKeyframe)
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{
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MOZ_COUNT_CTOR(VideoData);
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NS_ASSERTION(mDuration >= 0, "Frame must have non-negative duration.");
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}
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VideoData::~VideoData()
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{
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MOZ_COUNT_DTOR(VideoData);
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}
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/* static */
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VideoData* VideoData::ShallowCopyUpdateDuration(VideoData* aOther,
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int64_t aDuration)
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{
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VideoData* v = new VideoData(aOther->mOffset,
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aOther->mTime,
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aDuration,
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aOther->mKeyframe,
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aOther->mTimecode,
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aOther->mDisplay);
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v->mImage = aOther->mImage;
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return v;
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}
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VideoData* VideoData::Create(VideoInfo& aInfo,
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ImageContainer* aContainer,
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Image* aImage,
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int64_t aOffset,
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int64_t aTime,
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int64_t aDuration,
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const YCbCrBuffer& aBuffer,
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bool aKeyframe,
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int64_t aTimecode,
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nsIntRect aPicture)
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{
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if (!aImage && !aContainer) {
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// Create a dummy VideoData with no image. This gives us something to
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// send to media streams if necessary.
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nsAutoPtr<VideoData> v(new VideoData(aOffset,
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aTime,
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aDuration,
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aKeyframe,
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aTimecode,
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aInfo.mDisplay));
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return v.forget();
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}
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// The following situation should never happen unless there is a bug
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// in the decoder
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if (aBuffer.mPlanes[1].mWidth != aBuffer.mPlanes[2].mWidth ||
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aBuffer.mPlanes[1].mHeight != aBuffer.mPlanes[2].mHeight) {
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NS_ERROR("C planes with different sizes");
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return nullptr;
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}
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// The following situations could be triggered by invalid input
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if (aPicture.width <= 0 || aPicture.height <= 0) {
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NS_WARNING("Empty picture rect");
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return nullptr;
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}
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if (!ValidatePlane(aBuffer.mPlanes[0]) || !ValidatePlane(aBuffer.mPlanes[1]) ||
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!ValidatePlane(aBuffer.mPlanes[2])) {
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NS_WARNING("Invalid plane size");
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return nullptr;
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}
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// Ensure the picture size specified in the headers can be extracted out of
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// the frame we've been supplied without indexing out of bounds.
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CheckedUint32 xLimit = aPicture.x + CheckedUint32(aPicture.width);
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CheckedUint32 yLimit = aPicture.y + CheckedUint32(aPicture.height);
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if (!xLimit.isValid() || xLimit.value() > aBuffer.mPlanes[0].mStride ||
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!yLimit.isValid() || yLimit.value() > aBuffer.mPlanes[0].mHeight)
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{
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// The specified picture dimensions can't be contained inside the video
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// frame, we'll stomp memory if we try to copy it. Fail.
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NS_WARNING("Overflowing picture rect");
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return nullptr;
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}
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nsAutoPtr<VideoData> v(new VideoData(aOffset,
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aTime,
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aDuration,
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aKeyframe,
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aTimecode,
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aInfo.mDisplay));
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const YCbCrBuffer::Plane &Y = aBuffer.mPlanes[0];
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const YCbCrBuffer::Plane &Cb = aBuffer.mPlanes[1];
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const YCbCrBuffer::Plane &Cr = aBuffer.mPlanes[2];
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if (!aImage) {
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// Currently our decoder only knows how to output to ImageFormat::PLANAR_YCBCR
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// format.
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#if 0
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if (IsYV12Format(Y, Cb, Cr)) {
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v->mImage = aContainer->CreateImage(ImageFormat::GRALLOC_PLANAR_YCBCR);
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}
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#endif
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if (!v->mImage) {
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v->mImage = aContainer->CreateImage(ImageFormat::PLANAR_YCBCR);
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}
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} else {
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v->mImage = aImage;
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}
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if (!v->mImage) {
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return nullptr;
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}
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NS_ASSERTION(v->mImage->GetFormat() == ImageFormat::PLANAR_YCBCR ||
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v->mImage->GetFormat() == ImageFormat::GRALLOC_PLANAR_YCBCR,
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"Wrong format?");
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PlanarYCbCrImage* videoImage = static_cast<PlanarYCbCrImage*>(v->mImage.get());
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PlanarYCbCrData data;
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data.mYChannel = Y.mData + Y.mOffset;
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data.mYSize = IntSize(Y.mWidth, Y.mHeight);
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data.mYStride = Y.mStride;
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data.mYSkip = Y.mSkip;
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data.mCbChannel = Cb.mData + Cb.mOffset;
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data.mCrChannel = Cr.mData + Cr.mOffset;
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data.mCbCrSize = IntSize(Cb.mWidth, Cb.mHeight);
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data.mCbCrStride = Cb.mStride;
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data.mCbSkip = Cb.mSkip;
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data.mCrSkip = Cr.mSkip;
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data.mPicX = aPicture.x;
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data.mPicY = aPicture.y;
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data.mPicSize = aPicture.Size().ToIntSize();
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data.mStereoMode = aInfo.mStereoMode;
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videoImage->SetDelayedConversion(true);
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if (!aImage) {
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videoImage->SetData(data);
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} else {
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videoImage->SetDataNoCopy(data);
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}
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return v.forget();
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}
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VideoData* VideoData::Create(VideoInfo& aInfo,
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ImageContainer* aContainer,
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int64_t aOffset,
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int64_t aTime,
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int64_t aDuration,
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const YCbCrBuffer& aBuffer,
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bool aKeyframe,
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int64_t aTimecode,
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nsIntRect aPicture)
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{
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return Create(aInfo, aContainer, nullptr, aOffset, aTime, aDuration, aBuffer,
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aKeyframe, aTimecode, aPicture);
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}
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VideoData* VideoData::Create(VideoInfo& aInfo,
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Image* aImage,
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int64_t aOffset,
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int64_t aTime,
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int64_t aDuration,
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const YCbCrBuffer& aBuffer,
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bool aKeyframe,
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int64_t aTimecode,
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nsIntRect aPicture)
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{
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return Create(aInfo, nullptr, aImage, aOffset, aTime, aDuration, aBuffer,
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aKeyframe, aTimecode, aPicture);
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}
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VideoData* VideoData::CreateFromImage(VideoInfo& aInfo,
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ImageContainer* aContainer,
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int64_t aOffset,
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int64_t aTime,
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int64_t aDuration,
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const nsRefPtr<Image>& aImage,
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bool aKeyframe,
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int64_t aTimecode,
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nsIntRect aPicture)
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{
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nsAutoPtr<VideoData> v(new VideoData(aOffset,
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aTime,
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aDuration,
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aKeyframe,
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aTimecode,
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aInfo.mDisplay));
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v->mImage = aImage;
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return v.forget();
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}
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#ifdef MOZ_OMX_DECODER
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VideoData* VideoData::Create(VideoInfo& aInfo,
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ImageContainer* aContainer,
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int64_t aOffset,
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int64_t aTime,
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int64_t aDuration,
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mozilla::layers::GraphicBufferLocked* aBuffer,
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bool aKeyframe,
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int64_t aTimecode,
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nsIntRect aPicture)
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{
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if (!aContainer) {
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// Create a dummy VideoData with no image. This gives us something to
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// send to media streams if necessary.
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nsAutoPtr<VideoData> v(new VideoData(aOffset,
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aTime,
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aDuration,
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aKeyframe,
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aTimecode,
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aInfo.mDisplay));
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return v.forget();
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}
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// The following situations could be triggered by invalid input
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if (aPicture.width <= 0 || aPicture.height <= 0) {
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NS_WARNING("Empty picture rect");
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return nullptr;
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}
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// Ensure the picture size specified in the headers can be extracted out of
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// the frame we've been supplied without indexing out of bounds.
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CheckedUint32 xLimit = aPicture.x + CheckedUint32(aPicture.width);
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CheckedUint32 yLimit = aPicture.y + CheckedUint32(aPicture.height);
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if (!xLimit.isValid() || !yLimit.isValid())
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{
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// The specified picture dimensions can't be contained inside the video
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// frame, we'll stomp memory if we try to copy it. Fail.
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NS_WARNING("Overflowing picture rect");
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return nullptr;
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}
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nsAutoPtr<VideoData> v(new VideoData(aOffset,
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aTime,
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aDuration,
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aKeyframe,
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aTimecode,
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aInfo.mDisplay));
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v->mImage = aContainer->CreateImage(ImageFormat::GRALLOC_PLANAR_YCBCR);
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if (!v->mImage) {
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return nullptr;
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}
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NS_ASSERTION(v->mImage->GetFormat() == ImageFormat::GRALLOC_PLANAR_YCBCR,
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"Wrong format?");
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typedef mozilla::layers::GrallocImage GrallocImage;
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GrallocImage* videoImage = static_cast<GrallocImage*>(v->mImage.get());
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GrallocImage::GrallocData data;
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data.mPicSize = aPicture.Size().ToIntSize();
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data.mGraphicBuffer = aBuffer;
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videoImage->SetData(data);
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return v.forget();
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}
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#endif // MOZ_OMX_DECODER
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} // namespace mozilla
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