tor-browser

MediaInfo.cpp (6090B)

---

/* -*- 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 "MediaInfo.h"

#include "MediaData.h"

namespace mozilla {

const char* TrackTypeToStr(TrackInfo::TrackType aTrack) {
 switch (aTrack) {
   case TrackInfo::kUndefinedTrack:
     return "Undefined";
   case TrackInfo::kAudioTrack:
     return "Audio";
   case TrackInfo::kVideoTrack:
     return "Video";
   case TrackInfo::kTextTrack:
     return "Text";
   default:
     return "Unknown";
 }
}

bool TrackInfo::IsEqualTo(const TrackInfo& rhs) const {
 return (
     mId == rhs.mId && mKind == rhs.mKind && mLabel == rhs.mLabel &&
     mLanguage == rhs.mLanguage && mEnabled == rhs.mEnabled &&
     mTrackId == rhs.mTrackId && mMimeType == rhs.mMimeType &&
     mDuration == rhs.mDuration && mMediaTime == rhs.mMediaTime &&
     mCrypto.mCryptoScheme == rhs.mCrypto.mCryptoScheme &&
     mCrypto.mIVSize == rhs.mCrypto.mIVSize &&
     mCrypto.mKeyId == rhs.mCrypto.mKeyId &&
     mCrypto.mCryptByteBlock == rhs.mCrypto.mCryptByteBlock &&
     mCrypto.mSkipByteBlock == rhs.mCrypto.mSkipByteBlock &&
     mCrypto.mConstantIV == rhs.mCrypto.mConstantIV && mTags == rhs.mTags &&
     mIsRenderedExternally == rhs.mIsRenderedExternally && mType == rhs.mType);
}

nsCString TrackInfo::ToString() const {
 nsAutoCString rv;
 rv.AppendPrintf(
     "(TrackInfo: id:%s kind:%s label:%s language:%s enabled:%s trackid: %d "
     "mimetype:%s duration:%s media time:%s crypto:%s rendered externaly: %s "
     "type:%s)",
     NS_ConvertUTF16toUTF8(mId).get(), NS_ConvertUTF16toUTF8(mKind).get(),
     NS_ConvertUTF16toUTF8(mLabel).get(),
     NS_ConvertUTF16toUTF8(mLanguage).get(), mEnabled ? "true" : "false",
     mTrackId, mMimeType.get(), mDuration.ToString().get(),
     mMediaTime.ToString().get(), EnumValueToString(mCrypto.mCryptoScheme),
     mIsRenderedExternally ? "true" : "false", TrackTypeToStr(mType));
 if (!mTags.IsEmpty()) {
   rv.AppendPrintf("\n");
   for (const auto& tag : mTags) {
     rv.AppendPrintf("%s:%s", tag.mKey.get(), tag.mValue.get());
   }
 }
 return std::move(rv);
}

bool VideoInfo::operator==(const VideoInfo& rhs) const {
 return (TrackInfo::IsEqualTo(rhs) && mDisplay == rhs.mDisplay &&
         mStereoMode == rhs.mStereoMode && mImage == rhs.mImage &&
         *mCodecSpecificConfig == *rhs.mCodecSpecificConfig &&
         *mExtraData == *rhs.mExtraData && mRotation == rhs.mRotation &&
         mColorDepth == rhs.mColorDepth && mImageRect == rhs.mImageRect &&
         mAlphaPresent == rhs.mAlphaPresent);
}

nsCString VideoInfo::ToString() const {
 std::array YUVColorSpaceStrings = {"BT601", "BT709", "BT2020", "Identity",
                                    "Default"};

 std::array ColorDepthStrings = {
     "COLOR_8",
     "COLOR_10",
     "COLOR_12",
     "COLOR_16",
 };

 std::array TransferFunctionStrings = {
     "BT709",
     "SRGB",
     "PQ",
     "HLG",
 };

 std::array ColorRangeStrings = {
     "LIMITED",
     "FULL",
 };

 // From gfx::ColorSpace2
 std::array ColorPrimariesStrings = {
     "Display",     // 0 (Display / UNKNOWN)
     "SRGB",        // 1
     "DISPLAY_P3",  // 2
     "BT601_525",   // 3
     "BT709",       // 4 (also BT601_625)
     "BT2020",      // 5
 };

 nsAutoCString rv;
 rv.Append(TrackInfo::ToString());
 rv.AppendLiteral(" VideoInfo: ");
 rv.AppendPrintf("display size: %dx%d", mDisplay.Width(), mDisplay.Height());
 rv.AppendPrintf(", stereo mode: %d", static_cast<int>(mStereoMode));
 rv.AppendPrintf(", image size: %dx%d", mImage.Width(), mImage.Height());
 if (mCodecSpecificConfig) {
   rv.AppendPrintf(", codec specific config: %zu bytes",
                   mCodecSpecificConfig->Length());
 }
 if (mExtraData) {
   rv.AppendPrintf(", extra data: %zu bytes", mExtraData->Length());
 }
 rv.AppendPrintf(", rotation: %d", static_cast<int>(mRotation));
 rv.AppendPrintf(", colors: %s",
                 ColorDepthStrings[static_cast<int>(mColorDepth)]);
 if (mColorSpace) {
   rv.AppendPrintf(
       ", YUV colorspace: %s",
       YUVColorSpaceStrings[static_cast<int>(mColorSpace.value())]);
 }
 if (mColorPrimaries) {
   rv.AppendPrintf(
       ", color primaries: %s",
       ColorPrimariesStrings[static_cast<int>(mColorPrimaries.value())]);
 }
 if (mTransferFunction) {
   rv.AppendPrintf(
       ", transfer function %s",
       TransferFunctionStrings[static_cast<int>(mTransferFunction.value())]);
 }
 rv.AppendPrintf(", color range: %s",
                 ColorRangeStrings[static_cast<int>(mColorRange)]);
 if (mImageRect) {
   rv.AppendPrintf(", image rect: %dx%d", mImageRect->Width(),
                   mImageRect->Height());
 }
 rv.AppendPrintf(", alpha present: %s", mAlphaPresent ? "true" : "false");
 if (mFrameRate) {
   rv.AppendPrintf(", frame rate: %dHz", mFrameRate.value());
 }
 return std::move(rv);
}

bool AudioInfo::operator==(const AudioInfo& rhs) const {
 return (TrackInfo::IsEqualTo(rhs) && mRate == rhs.mRate &&
         mChannels == rhs.mChannels && mChannelMap == rhs.mChannelMap &&
         mBitDepth == rhs.mBitDepth && mProfile == rhs.mProfile &&
         mExtendedProfile == rhs.mExtendedProfile &&
         mCodecSpecificConfig == rhs.mCodecSpecificConfig);
}

nsCString AudioInfo::ToString() const {
 nsAutoCString rv;
 rv.Append(TrackInfo::ToString());
 rv.AppendPrintf(
     " AudioInfo: %s, %" PRIu32 "Hz, %" PRIu32 "ch (%s) %" PRIu32
     "-bits, profile: %" PRIu8 ", extended profile: %" PRIu8 ", %s extradata",
     mMimeType.get(), mRate, mChannels,
     AudioConfig::ChannelLayout::ChannelMapToString(mChannelMap).get(),
     mBitDepth, mProfile, mExtendedProfile,
     mCodecSpecificConfig.is<NoCodecSpecificData>() ? "no" : "with");
 return std::move(rv);
}

}  // namespace mozilla