зеркало из https://github.com/mozilla/gecko-dev.git
560 строки
16 KiB
C++
560 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "MediaData.h"
|
|
#include "MediaInfo.h"
|
|
#include "VideoUtils.h"
|
|
#include "ImageContainer.h"
|
|
#include "mozilla/layers/SharedRGBImage.h"
|
|
#include "YCbCrUtils.h"
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
#include <cutils/properties.h>
|
|
#endif
|
|
#include <stdint.h>
|
|
|
|
namespace mozilla {
|
|
|
|
using namespace mozilla::gfx;
|
|
using layers::ImageContainer;
|
|
using layers::PlanarYCbCrImage;
|
|
using layers::PlanarYCbCrData;
|
|
using media::TimeUnit;
|
|
|
|
const char* AudioData::sTypeName = "audio";
|
|
const char* VideoData::sTypeName = "video";
|
|
|
|
void
|
|
AudioData::EnsureAudioBuffer()
|
|
{
|
|
if (mAudioBuffer)
|
|
return;
|
|
mAudioBuffer = SharedBuffer::Create(mFrames*mChannels*sizeof(AudioDataValue));
|
|
|
|
AudioDataValue* data = static_cast<AudioDataValue*>(mAudioBuffer->Data());
|
|
for (uint32_t i = 0; i < mFrames; ++i) {
|
|
for (uint32_t j = 0; j < mChannels; ++j) {
|
|
data[j*mFrames + i] = mAudioData[i*mChannels + j];
|
|
}
|
|
}
|
|
}
|
|
|
|
size_t
|
|
AudioData::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
size_t size =
|
|
aMallocSizeOf(this) + mAudioData.SizeOfExcludingThis(aMallocSizeOf);
|
|
if (mAudioBuffer) {
|
|
size += mAudioBuffer->SizeOfIncludingThis(aMallocSizeOf);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
bool
|
|
AudioData::IsAudible() const
|
|
{
|
|
if (!mAudioData) {
|
|
return false;
|
|
}
|
|
|
|
for (uint32_t frame = 0; frame < mFrames; ++frame) {
|
|
for (uint32_t channel = 0; channel < mChannels; ++channel) {
|
|
if (mAudioData[frame * mChannels + channel] != 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<AudioData>
|
|
AudioData::TransferAndUpdateTimestampAndDuration(AudioData* aOther,
|
|
const TimeUnit& aTimestamp,
|
|
const TimeUnit& aDuration)
|
|
{
|
|
NS_ENSURE_TRUE(aOther, nullptr);
|
|
RefPtr<AudioData> v = new AudioData(aOther->mOffset,
|
|
aTimestamp,
|
|
aDuration,
|
|
aOther->mFrames,
|
|
Move(aOther->mAudioData),
|
|
aOther->mChannels,
|
|
aOther->mRate);
|
|
return v.forget();
|
|
}
|
|
|
|
static bool
|
|
ValidatePlane(const VideoData::YCbCrBuffer::Plane& aPlane)
|
|
{
|
|
return aPlane.mWidth <= PlanarYCbCrImage::MAX_DIMENSION
|
|
&& aPlane.mHeight <= PlanarYCbCrImage::MAX_DIMENSION
|
|
&& aPlane.mWidth * aPlane.mHeight < MAX_VIDEO_WIDTH * MAX_VIDEO_HEIGHT
|
|
&& aPlane.mStride > 0;
|
|
}
|
|
|
|
static bool ValidateBufferAndPicture(const VideoData::YCbCrBuffer& aBuffer,
|
|
const IntRect& aPicture)
|
|
{
|
|
// The following situation should never happen unless there is a bug
|
|
// in the decoder
|
|
if (aBuffer.mPlanes[1].mWidth != aBuffer.mPlanes[2].mWidth
|
|
|| aBuffer.mPlanes[1].mHeight != aBuffer.mPlanes[2].mHeight) {
|
|
NS_ERROR("C planes with different sizes");
|
|
return false;
|
|
}
|
|
|
|
// The following situations could be triggered by invalid input
|
|
if (aPicture.width <= 0 || aPicture.height <= 0) {
|
|
// In debug mode, makes the error more noticeable
|
|
MOZ_ASSERT(false, "Empty picture rect");
|
|
return false;
|
|
}
|
|
if (!ValidatePlane(aBuffer.mPlanes[0])
|
|
|| !ValidatePlane(aBuffer.mPlanes[1])
|
|
|| !ValidatePlane(aBuffer.mPlanes[2])) {
|
|
NS_WARNING("Invalid plane size");
|
|
return false;
|
|
}
|
|
|
|
// Ensure the picture size specified in the headers can be extracted out of
|
|
// the frame we've been supplied without indexing out of bounds.
|
|
CheckedUint32 xLimit = aPicture.x + CheckedUint32(aPicture.width);
|
|
CheckedUint32 yLimit = aPicture.y + CheckedUint32(aPicture.height);
|
|
if (!xLimit.isValid()
|
|
|| xLimit.value() > aBuffer.mPlanes[0].mStride
|
|
|| !yLimit.isValid()
|
|
|| yLimit.value() > aBuffer.mPlanes[0].mHeight)
|
|
{
|
|
// The specified picture dimensions can't be contained inside the video
|
|
// frame, we'll stomp memory if we try to copy it. Fail.
|
|
NS_WARNING("Overflowing picture rect");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
static bool
|
|
IsYV12Format(const VideoData::YCbCrBuffer::Plane& aYPlane,
|
|
const VideoData::YCbCrBuffer::Plane& aCbPlane,
|
|
const VideoData::YCbCrBuffer::Plane& aCrPlane)
|
|
{
|
|
return
|
|
aYPlane.mWidth % 2 == 0
|
|
&& aYPlane.mHeight % 2 == 0
|
|
&& aYPlane.mWidth / 2 == aCbPlane.mWidth
|
|
&& aYPlane.mHeight / 2 == aCbPlane.mHeight
|
|
&& aCbPlane.mWidth == aCrPlane.mWidth
|
|
&& aCbPlane.mHeight == aCrPlane.mHeight;
|
|
}
|
|
|
|
static bool
|
|
IsInEmulator()
|
|
{
|
|
char propQemu[PROPERTY_VALUE_MAX];
|
|
property_get("ro.kernel.qemu", propQemu, "");
|
|
return !strncmp(propQemu, "1", 1);
|
|
}
|
|
|
|
#endif
|
|
|
|
VideoData::VideoData(int64_t aOffset,
|
|
const TimeUnit& aTime,
|
|
const TimeUnit& aDuration,
|
|
bool aKeyframe,
|
|
const TimeUnit& aTimecode,
|
|
IntSize aDisplay,
|
|
layers::ImageContainer::FrameID aFrameID)
|
|
: MediaData(VIDEO_DATA, aOffset, aTime, aDuration, 1)
|
|
, mDisplay(aDisplay)
|
|
, mFrameID(aFrameID)
|
|
, mSentToCompositor(false)
|
|
{
|
|
MOZ_ASSERT(!mDuration.IsNegative(), "Frame must have non-negative duration.");
|
|
mKeyframe = aKeyframe;
|
|
mTimecode = aTimecode;
|
|
}
|
|
|
|
VideoData::~VideoData()
|
|
{
|
|
}
|
|
|
|
void
|
|
VideoData::SetListener(UniquePtr<Listener> aListener)
|
|
{
|
|
MOZ_ASSERT(!mSentToCompositor,
|
|
"Listener should be registered before sending data");
|
|
|
|
mListener = Move(aListener);
|
|
}
|
|
|
|
void
|
|
VideoData::MarkSentToCompositor()
|
|
{
|
|
if (mSentToCompositor) {
|
|
return;
|
|
}
|
|
|
|
mSentToCompositor = true;
|
|
if (mListener != nullptr) {
|
|
mListener->OnSentToCompositor();
|
|
mListener = nullptr;
|
|
}
|
|
}
|
|
|
|
size_t
|
|
VideoData::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
size_t size = aMallocSizeOf(this);
|
|
|
|
// Currently only PLANAR_YCBCR has a well defined function for determining
|
|
// it's size, so reporting is limited to that type.
|
|
if (mImage && mImage->GetFormat() == ImageFormat::PLANAR_YCBCR) {
|
|
const mozilla::layers::PlanarYCbCrImage* img =
|
|
static_cast<const mozilla::layers::PlanarYCbCrImage*>(mImage.get());
|
|
size += img->SizeOfIncludingThis(aMallocSizeOf);
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
void
|
|
VideoData::UpdateDuration(const TimeUnit& aDuration)
|
|
{
|
|
MOZ_ASSERT(!aDuration.IsNegative());
|
|
mDuration = aDuration;
|
|
}
|
|
|
|
void
|
|
VideoData::UpdateTimestamp(const TimeUnit& aTimestamp)
|
|
{
|
|
MOZ_ASSERT(!aTimestamp.IsNegative());
|
|
|
|
auto updatedDuration = GetEndTime() - aTimestamp;
|
|
MOZ_ASSERT(!updatedDuration.IsNegative());
|
|
|
|
mTime = aTimestamp;
|
|
mDuration = updatedDuration;
|
|
}
|
|
|
|
/* static */
|
|
bool VideoData::SetVideoDataToImage(PlanarYCbCrImage* aVideoImage,
|
|
const VideoInfo& aInfo,
|
|
const YCbCrBuffer &aBuffer,
|
|
const IntRect& aPicture,
|
|
bool aCopyData)
|
|
{
|
|
if (!aVideoImage) {
|
|
return false;
|
|
}
|
|
const YCbCrBuffer::Plane &Y = aBuffer.mPlanes[0];
|
|
const YCbCrBuffer::Plane &Cb = aBuffer.mPlanes[1];
|
|
const YCbCrBuffer::Plane &Cr = aBuffer.mPlanes[2];
|
|
|
|
PlanarYCbCrData data;
|
|
data.mYChannel = Y.mData + Y.mOffset;
|
|
data.mYSize = IntSize(Y.mWidth, Y.mHeight);
|
|
data.mYStride = Y.mStride;
|
|
data.mYSkip = Y.mSkip;
|
|
data.mCbChannel = Cb.mData + Cb.mOffset;
|
|
data.mCrChannel = Cr.mData + Cr.mOffset;
|
|
data.mCbCrSize = IntSize(Cb.mWidth, Cb.mHeight);
|
|
data.mCbCrStride = Cb.mStride;
|
|
data.mCbSkip = Cb.mSkip;
|
|
data.mCrSkip = Cr.mSkip;
|
|
data.mPicX = aPicture.x;
|
|
data.mPicY = aPicture.y;
|
|
data.mPicSize = aPicture.Size();
|
|
data.mStereoMode = aInfo.mStereoMode;
|
|
data.mYUVColorSpace = aBuffer.mYUVColorSpace;
|
|
|
|
aVideoImage->SetDelayedConversion(true);
|
|
if (aCopyData) {
|
|
return aVideoImage->CopyData(data);
|
|
} else {
|
|
return aVideoImage->AdoptData(data);
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<VideoData>
|
|
VideoData::CreateAndCopyData(const VideoInfo& aInfo,
|
|
ImageContainer* aContainer,
|
|
int64_t aOffset,
|
|
const TimeUnit& aTime,
|
|
const TimeUnit& aDuration,
|
|
const YCbCrBuffer& aBuffer,
|
|
bool aKeyframe,
|
|
const TimeUnit& aTimecode,
|
|
const IntRect& aPicture)
|
|
{
|
|
if (!aContainer) {
|
|
// Create a dummy VideoData with no image. This gives us something to
|
|
// send to media streams if necessary.
|
|
RefPtr<VideoData> v(new VideoData(aOffset,
|
|
aTime,
|
|
aDuration,
|
|
aKeyframe,
|
|
aTimecode,
|
|
aInfo.mDisplay,
|
|
0));
|
|
return v.forget();
|
|
}
|
|
|
|
if (!ValidateBufferAndPicture(aBuffer, aPicture)) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<VideoData> v(new VideoData(aOffset,
|
|
aTime,
|
|
aDuration,
|
|
aKeyframe,
|
|
aTimecode,
|
|
aInfo.mDisplay,
|
|
0));
|
|
#ifdef MOZ_WIDGET_GONK
|
|
const YCbCrBuffer::Plane &Y = aBuffer.mPlanes[0];
|
|
const YCbCrBuffer::Plane &Cb = aBuffer.mPlanes[1];
|
|
const YCbCrBuffer::Plane &Cr = aBuffer.mPlanes[2];
|
|
#endif
|
|
|
|
// Currently our decoder only knows how to output to ImageFormat::PLANAR_YCBCR
|
|
// format.
|
|
#ifdef MOZ_WIDGET_GONK
|
|
if (IsYV12Format(Y, Cb, Cr) && !IsInEmulator()) {
|
|
v->mImage = new layers::GrallocImage();
|
|
}
|
|
#endif
|
|
if (!v->mImage) {
|
|
v->mImage = aContainer->CreatePlanarYCbCrImage();
|
|
}
|
|
|
|
if (!v->mImage) {
|
|
return nullptr;
|
|
}
|
|
NS_ASSERTION(v->mImage->GetFormat() == ImageFormat::PLANAR_YCBCR,
|
|
"Wrong format?");
|
|
PlanarYCbCrImage* videoImage = v->mImage->AsPlanarYCbCrImage();
|
|
MOZ_ASSERT(videoImage);
|
|
|
|
if (!VideoData::SetVideoDataToImage(videoImage, aInfo, aBuffer, aPicture,
|
|
true /* aCopyData */)) {
|
|
return nullptr;
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
if (!videoImage->IsValid() && IsYV12Format(Y, Cb, Cr)) {
|
|
// Failed to allocate gralloc. Try fallback.
|
|
v->mImage = aContainer->CreatePlanarYCbCrImage();
|
|
if (!v->mImage) {
|
|
return nullptr;
|
|
}
|
|
videoImage = v->mImage->AsPlanarYCbCrImage();
|
|
if (!VideoData::SetVideoDataToImage(videoImage, aInfo, aBuffer, aPicture,
|
|
true /* aCopyData */)) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
#endif
|
|
return v.forget();
|
|
}
|
|
|
|
|
|
/* static */
|
|
already_AddRefed<VideoData>
|
|
VideoData::CreateAndCopyData(const VideoInfo& aInfo,
|
|
ImageContainer* aContainer,
|
|
int64_t aOffset,
|
|
const TimeUnit& aTime,
|
|
const TimeUnit& aDuration,
|
|
const YCbCrBuffer& aBuffer,
|
|
const YCbCrBuffer::Plane &aAlphaPlane,
|
|
bool aKeyframe,
|
|
const TimeUnit& aTimecode,
|
|
const IntRect& aPicture)
|
|
{
|
|
if (!aContainer) {
|
|
// Create a dummy VideoData with no image. This gives us something to
|
|
// send to media streams if necessary.
|
|
RefPtr<VideoData> v(new VideoData(aOffset,
|
|
aTime,
|
|
aDuration,
|
|
aKeyframe,
|
|
aTimecode,
|
|
aInfo.mDisplay,
|
|
0));
|
|
return v.forget();
|
|
}
|
|
|
|
if (!ValidateBufferAndPicture(aBuffer, aPicture)) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<VideoData> v(new VideoData(aOffset,
|
|
aTime,
|
|
aDuration,
|
|
aKeyframe,
|
|
aTimecode,
|
|
aInfo.mDisplay,
|
|
0));
|
|
|
|
// Convert from YUVA to BGRA format on the software side.
|
|
RefPtr<layers::SharedRGBImage> videoImage =
|
|
aContainer->CreateSharedRGBImage();
|
|
v->mImage = videoImage;
|
|
|
|
if (!v->mImage) {
|
|
return nullptr;
|
|
}
|
|
if (!videoImage->Allocate(IntSize(aBuffer.mPlanes[0].mWidth,
|
|
aBuffer.mPlanes[0].mHeight),
|
|
SurfaceFormat::B8G8R8A8)) {
|
|
return nullptr;
|
|
}
|
|
uint8_t* argb_buffer = videoImage->GetBuffer();
|
|
IntSize size = videoImage->GetSize();
|
|
|
|
// The naming convention for libyuv and associated utils is word-order.
|
|
// The naming convention in the gfx stack is byte-order.
|
|
ConvertYCbCrAToARGB(aBuffer.mPlanes[0].mData,
|
|
aBuffer.mPlanes[1].mData,
|
|
aBuffer.mPlanes[2].mData,
|
|
aAlphaPlane.mData,
|
|
aBuffer.mPlanes[0].mStride, aBuffer.mPlanes[1].mStride,
|
|
argb_buffer, size.width * 4,
|
|
size.width, size.height);
|
|
|
|
return v.forget();
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<VideoData>
|
|
VideoData::CreateFromImage(const IntSize& aDisplay,
|
|
int64_t aOffset,
|
|
const TimeUnit& aTime,
|
|
const TimeUnit& aDuration,
|
|
const RefPtr<Image>& aImage,
|
|
bool aKeyframe,
|
|
const TimeUnit& aTimecode)
|
|
{
|
|
RefPtr<VideoData> v(new VideoData(aOffset,
|
|
aTime,
|
|
aDuration,
|
|
aKeyframe,
|
|
aTimecode,
|
|
aDisplay,
|
|
0));
|
|
v->mImage = aImage;
|
|
return v.forget();
|
|
}
|
|
|
|
MediaRawData::MediaRawData()
|
|
: MediaData(RAW_DATA, 0)
|
|
, mCrypto(mCryptoInternal)
|
|
{
|
|
}
|
|
|
|
MediaRawData::MediaRawData(const uint8_t* aData, size_t aSize)
|
|
: MediaData(RAW_DATA, 0)
|
|
, mCrypto(mCryptoInternal)
|
|
, mBuffer(aData, aSize)
|
|
{
|
|
}
|
|
|
|
MediaRawData::MediaRawData(const uint8_t* aData, size_t aSize,
|
|
const uint8_t* aAlphaData, size_t aAlphaSize)
|
|
: MediaData(RAW_DATA, 0)
|
|
, mCrypto(mCryptoInternal)
|
|
, mBuffer(aData, aSize)
|
|
, mAlphaBuffer(aAlphaData, aAlphaSize)
|
|
{
|
|
}
|
|
|
|
already_AddRefed<MediaRawData>
|
|
MediaRawData::Clone() const
|
|
{
|
|
RefPtr<MediaRawData> s = new MediaRawData;
|
|
s->mTimecode = mTimecode;
|
|
s->mTime = mTime;
|
|
s->mDuration = mDuration;
|
|
s->mOffset = mOffset;
|
|
s->mKeyframe = mKeyframe;
|
|
s->mExtraData = mExtraData;
|
|
s->mCryptoInternal = mCryptoInternal;
|
|
s->mTrackInfo = mTrackInfo;
|
|
s->mEOS = mEOS;
|
|
if (!s->mBuffer.Append(mBuffer.Data(), mBuffer.Length())) {
|
|
return nullptr;
|
|
}
|
|
if (!s->mAlphaBuffer.Append(mAlphaBuffer.Data(), mAlphaBuffer.Length())) {
|
|
return nullptr;
|
|
}
|
|
return s.forget();
|
|
}
|
|
|
|
MediaRawData::~MediaRawData()
|
|
{
|
|
}
|
|
|
|
size_t
|
|
MediaRawData::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
size_t size = aMallocSizeOf(this);
|
|
size += mBuffer.SizeOfExcludingThis(aMallocSizeOf);
|
|
return size;
|
|
}
|
|
|
|
MediaRawDataWriter*
|
|
MediaRawData::CreateWriter()
|
|
{
|
|
return new MediaRawDataWriter(this);
|
|
}
|
|
|
|
MediaRawDataWriter::MediaRawDataWriter(MediaRawData* aMediaRawData)
|
|
: mCrypto(aMediaRawData->mCryptoInternal)
|
|
, mTarget(aMediaRawData)
|
|
{
|
|
}
|
|
|
|
bool
|
|
MediaRawDataWriter::SetSize(size_t aSize)
|
|
{
|
|
return mTarget->mBuffer.SetLength(aSize);
|
|
}
|
|
|
|
bool
|
|
MediaRawDataWriter::Prepend(const uint8_t* aData, size_t aSize)
|
|
{
|
|
return mTarget->mBuffer.Prepend(aData, aSize);
|
|
}
|
|
|
|
bool
|
|
MediaRawDataWriter::Replace(const uint8_t* aData, size_t aSize)
|
|
{
|
|
return mTarget->mBuffer.Replace(aData, aSize);
|
|
}
|
|
|
|
void
|
|
MediaRawDataWriter::Clear()
|
|
{
|
|
mTarget->mBuffer.Clear();
|
|
}
|
|
|
|
uint8_t*
|
|
MediaRawDataWriter::Data()
|
|
{
|
|
return mTarget->mBuffer.Data();
|
|
}
|
|
|
|
size_t
|
|
MediaRawDataWriter::Size()
|
|
{
|
|
return mTarget->Size();
|
|
}
|
|
|
|
} // namespace mozilla
|