gecko/dom/media/fmp4/apple/AppleATDecoder.h

66 lines
2.3 KiB
C++

/* -*- 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_AppleATDecoder_h
#define mozilla_AppleATDecoder_h
#include <AudioToolbox/AudioToolbox.h>
#include "PlatformDecoderModule.h"
#include "mozilla/RefPtr.h"
#include "mozilla/ReentrantMonitor.h"
#include "mozilla/Vector.h"
#include "nsIThread.h"
namespace mozilla {
class MediaTaskQueue;
class MediaDataDecoderCallback;
class AppleATDecoder : public MediaDataDecoder {
public:
AppleATDecoder(const mp4_demuxer::AudioDecoderConfig& aConfig,
MediaTaskQueue* aVideoTaskQueue,
MediaDataDecoderCallback* aCallback);
~AppleATDecoder();
virtual nsresult Init() MOZ_OVERRIDE;
virtual nsresult Input(mp4_demuxer::MP4Sample* aSample) MOZ_OVERRIDE;
virtual nsresult Flush() MOZ_OVERRIDE;
virtual nsresult Drain() MOZ_OVERRIDE;
virtual nsresult Shutdown() MOZ_OVERRIDE;
// Callbacks also need access to the config.
const mp4_demuxer::AudioDecoderConfig& mConfig;
// Use to extract magic cookie for HE-AAC detection.
mozilla::Vector<uint8_t> mMagicCookie;
// Will be set to true should an error occurred while attempting to retrieve
// the magic cookie property.
bool mFileStreamError;
private:
RefPtr<MediaTaskQueue> mTaskQueue;
MediaDataDecoderCallback* mCallback;
AudioConverterRef mConverter;
AudioStreamBasicDescription mOutputFormat;
UInt32 mFormatID;
AudioFileStreamID mStream;
nsTArray<nsAutoPtr<mp4_demuxer::MP4Sample>> mQueuedSamples;
void SubmitSample(nsAutoPtr<mp4_demuxer::MP4Sample> aSample);
nsresult DecodeSample(mp4_demuxer::MP4Sample* aSample);
nsresult GetInputAudioDescription(AudioStreamBasicDescription& aDesc,
const mozilla::Vector<uint8_t>& aExtraData);
// Setup AudioConverter once all information required has been gathered.
// Will return NS_ERROR_NOT_INITIALIZED if more data is required.
nsresult SetupDecoder(mp4_demuxer::MP4Sample* aSample);
nsresult GetImplicitAACMagicCookie(const mp4_demuxer::MP4Sample* aSample);
};
} // namespace mozilla
#endif // mozilla_AppleATDecoder_h