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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#ifndef mozilla_dom_DecoderTypes_h
#define mozilla_dom_DecoderTypes_h
#include "MediaData.h"
#include "mozilla/Maybe.h"
#include "mozilla/dom/AudioData.h"
#include "mozilla/dom/AudioDecoderBinding.h"
#include "mozilla/dom/EncodedAudioChunk.h"
#include "mozilla/dom/EncodedVideoChunk.h"
#include "mozilla/dom/VideoColorSpaceBinding.h"
#include "mozilla/dom/VideoDecoderBinding.h"
#include "mozilla/dom/VideoFrame.h"
#include "nsStringFwd.h"
#include "nsTLiteralString.h"
namespace mozilla {
class TrackInfo;
class MediaByteBuffer;
namespace dom {
class VideoDecoderConfigInternal {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoDecoderConfigInternal);
static RefPtr<VideoDecoderConfigInternal> Create(
const VideoDecoderConfig& aConfig);
VideoDecoderConfigInternal(const nsAString& aCodec,
Maybe<uint32_t>&& aCodedHeight,
Maybe<uint32_t>&& aCodedWidth,
Maybe<VideoColorSpaceInternal>&& aColorSpace,
already_AddRefed<MediaByteBuffer> aDescription,
Maybe<uint32_t>&& aDisplayAspectHeight,
Maybe<uint32_t>&& aDisplayAspectWidth,
const HardwareAcceleration& aHardwareAcceleration,
Maybe<bool>&& aOptimizeForLatency);
nsCString ToString() const;
bool Equals(const VideoDecoderConfigInternal& aOther) const {
if (mDescription != aOther.mDescription) {
return false;
}
if (mDescription && aOther.mDescription) {
auto lhs = mDescription;
auto rhs = aOther.mDescription;
if (lhs->Length() != rhs->Length()) {
return false;
}
if (!ArrayEqual(lhs->Elements(), rhs->Elements(), lhs->Length())) {
return false;
}
}
return mCodec.Equals(aOther.mCodec) &&
mCodedHeight == aOther.mCodedHeight &&
mCodedWidth == aOther.mCodedWidth &&
mColorSpace == aOther.mColorSpace &&
mDisplayAspectHeight == aOther.mDisplayAspectWidth &&
mHardwareAcceleration == aOther.mHardwareAcceleration &&
mOptimizeForLatency == aOther.mOptimizeForLatency;
}
nsString mCodec;
Maybe<uint32_t> mCodedHeight;
Maybe<uint32_t> mCodedWidth;
Maybe<VideoColorSpaceInternal> mColorSpace;
RefPtr<MediaByteBuffer> mDescription;
Maybe<uint32_t> mDisplayAspectHeight;
Maybe<uint32_t> mDisplayAspectWidth;
HardwareAcceleration mHardwareAcceleration;
Maybe<bool> mOptimizeForLatency;
private:
~VideoDecoderConfigInternal() = default;
};
class VideoDecoderTraits {
public:
static constexpr nsLiteralCString Name = "VideoDecoder"_ns;
using ConfigType = VideoDecoderConfig;
using ConfigTypeInternal = VideoDecoderConfigInternal;
using InputType = EncodedVideoChunk;
using InputTypeInternal = EncodedVideoChunkData;
using OutputType = VideoFrame;
using OutputCallbackType = VideoFrameOutputCallback;
static bool IsSupported(const ConfigTypeInternal& aConfig);
static Result<UniquePtr<TrackInfo>, nsresult> CreateTrackInfo(
const ConfigTypeInternal& aConfig);
static bool Validate(const ConfigType& aConfig, nsCString& aErrorMessage);
static RefPtr<ConfigTypeInternal> CreateConfigInternal(
const ConfigType& aConfig);
static bool IsKeyChunk(const InputType& aInput);
static UniquePtr<InputTypeInternal> CreateInputInternal(
const InputType& aInput);
};
class AudioDecoderConfigInternal {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AudioDecoderConfigInternal);
static RefPtr<AudioDecoderConfigInternal> Create(
const AudioDecoderConfig& aConfig);
AudioDecoderConfigInternal(const nsAString& aCodec, uint32_t aSampleRate,
uint32_t aNumberOfChannels,
already_AddRefed<MediaByteBuffer> aDescription);
bool Equals(const AudioDecoderConfigInternal& aOther) const {
if (mDescription != aOther.mDescription) {
return false;
}
if (mDescription && aOther.mDescription) {
auto lhs = mDescription;
auto rhs = aOther.mDescription;
if (lhs->Length() != rhs->Length()) {
return false;
}
if (!ArrayEqual(lhs->Elements(), rhs->Elements(), lhs->Length())) {
return false;
}
}
return mCodec.Equals(aOther.mCodec) && mSampleRate == aOther.mSampleRate &&
mNumberOfChannels == aOther.mNumberOfChannels &&
mOptimizeForLatency == aOther.mOptimizeForLatency;
}
nsCString ToString() const;
nsString mCodec;
uint32_t mSampleRate;
uint32_t mNumberOfChannels;
RefPtr<MediaByteBuffer> mDescription;
// Compilation fix, should be abstracted by DecoderAgent since those are not
// supported
HardwareAcceleration mHardwareAcceleration =
HardwareAcceleration::No_preference;
Maybe<bool> mOptimizeForLatency;
private:
~AudioDecoderConfigInternal() = default;
};
class AudioDecoderTraits {
public:
static constexpr nsLiteralCString Name = "AudioDecoder"_ns;
using ConfigType = AudioDecoderConfig;
using ConfigTypeInternal = AudioDecoderConfigInternal;
using InputType = EncodedAudioChunk;
using InputTypeInternal = EncodedAudioChunkData;
using OutputType = AudioData;
using OutputCallbackType = AudioDataOutputCallback;
static bool IsSupported(const ConfigTypeInternal& aConfig);
static Result<UniquePtr<TrackInfo>, nsresult> CreateTrackInfo(
const ConfigTypeInternal& aConfig);
static bool Validate(const ConfigType& aConfig, nsCString& aErrorMessage);
static RefPtr<ConfigTypeInternal> CreateConfigInternal(
const ConfigType& aConfig);
static bool IsKeyChunk(const InputType& aInput);
static UniquePtr<InputTypeInternal> CreateInputInternal(
const InputType& aInput);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_DecoderTypes_h
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