Add m-esr52 at 52.6.0

1 files changed, 475 insertions, 0 deletions

diff --git a/dom/media/MediaData.cpp b/dom/media/MediaData.cpp
new file mode 100644
index 000000000..0439a7473
--- /dev/null
+++ b/dom/media/MediaData.cpp
@@ -0,0 +1,475 @@
+/* -*- 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"
+
+#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;
+
+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,
+                                                  int64_t aTimestamp,
+                                                  int64_t 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;
+}
+
+#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,
+                     int64_t aTime,
+                     int64_t aDuration,
+                     bool aKeyframe,
+                     int64_t aTimecode,
+                     IntSize aDisplay,
+                     layers::ImageContainer::FrameID aFrameID)
+  : MediaData(VIDEO_DATA, aOffset, aTime, aDuration, 1)
+  , mDisplay(aDisplay)
+  , mFrameID(aFrameID)
+  , mSentToCompositor(false)
+{
+  NS_ASSERTION(mDuration >= 0, "Frame must have non-negative duration.");
+  mKeyframe = aKeyframe;
+  mTimecode = aTimecode;
+}
+
+VideoData::~VideoData()
+{
+}
+
+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;
+}
+
+/* static */
+already_AddRefed<VideoData>
+VideoData::ShallowCopyUpdateDuration(const VideoData* aOther,
+                                     int64_t aDuration)
+{
+  RefPtr<VideoData> v = new VideoData(aOther->mOffset,
+                                        aOther->mTime,
+                                        aDuration,
+                                        aOther->mKeyframe,
+                                        aOther->mTimecode,
+                                        aOther->mDisplay,
+                                        aOther->mFrameID);
+  v->mImage = aOther->mImage;
+  return v.forget();
+}
+
+/* static */
+already_AddRefed<VideoData>
+VideoData::ShallowCopyUpdateTimestamp(const VideoData* aOther,
+                                      int64_t aTimestamp)
+{
+  NS_ENSURE_TRUE(aOther, nullptr);
+  RefPtr<VideoData> v = new VideoData(aOther->mOffset,
+                                        aTimestamp,
+                                        aOther->GetEndTime() - aTimestamp,
+                                        aOther->mKeyframe,
+                                        aOther->mTimecode,
+                                        aOther->mDisplay,
+                                        aOther->mFrameID);
+  v->mImage = aOther->mImage;
+  return v.forget();
+}
+
+/* static */
+already_AddRefed<VideoData>
+VideoData::ShallowCopyUpdateTimestampAndDuration(const VideoData* aOther,
+                                                 int64_t aTimestamp,
+                                                 int64_t aDuration)
+{
+  NS_ENSURE_TRUE(aOther, nullptr);
+  RefPtr<VideoData> v = new VideoData(aOther->mOffset,
+                                        aTimestamp,
+                                        aDuration,
+                                        aOther->mKeyframe,
+                                        aOther->mTimecode,
+                                        aOther->mDisplay,
+                                        aOther->mFrameID);
+  v->mImage = aOther->mImage;
+  return v.forget();
+}
+
+/* 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,
+                             int64_t aTime,
+                             int64_t aDuration,
+                             const YCbCrBuffer& aBuffer,
+                             bool aKeyframe,
+                             int64_t 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();
+  }
+
+  // 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 nullptr;
+  }
+
+  // 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 nullptr;
+  }
+  if (!ValidatePlane(aBuffer.mPlanes[0]) || !ValidatePlane(aBuffer.mPlanes[1]) ||
+      !ValidatePlane(aBuffer.mPlanes[2])) {
+    NS_WARNING("Invalid plane size");
+    return nullptr;
+  }
+
+  // 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 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 ||
+               v->mImage->GetFormat() == ImageFormat::GRALLOC_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::CreateFromImage(const VideoInfo& aInfo,
+                           int64_t aOffset,
+                           int64_t aTime,
+                           int64_t aDuration,
+                           const RefPtr<Image>& aImage,
+                           bool aKeyframe,
+                           int64_t aTimecode,
+                           const IntRect& aPicture)
+{
+  RefPtr<VideoData> v(new VideoData(aOffset,
+                                    aTime,
+                                    aDuration,
+                                    aKeyframe,
+                                    aTimecode,
+                                    aInfo.mDisplay,
+                                    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)
+{
+}
+
+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;
+  }
+  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