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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/. */
#if !defined(VorbisDecoder_h_)
#define VorbisDecoder_h_
#include "PlatformDecoderModule.h"
#include "mozilla/Maybe.h"
#include "AudioConverter.h"
#ifdef MOZ_TREMOR
#include "tremor/ivorbiscodec.h"
#else
#include "vorbis/codec.h"
#endif
namespace mozilla {
class VorbisDataDecoder : public MediaDataDecoder
{
public:
explicit VorbisDataDecoder(const CreateDecoderParams& aParams);
~VorbisDataDecoder();
RefPtr<InitPromise> Init() override;
void Input(MediaRawData* aSample) override;
void Flush() override;
void Drain() override;
void Shutdown() override;
const char* GetDescriptionName() const override
{
return "vorbis audio decoder";
}
// Return true if mimetype is Vorbis
static bool IsVorbis(const nsACString& aMimeType);
static const AudioConfig::Channel* VorbisLayout(uint32_t aChannels);
private:
nsresult DecodeHeader(const unsigned char* aData, size_t aLength);
void ProcessDecode(MediaRawData* aSample);
MediaResult DoDecode(MediaRawData* aSample);
void ProcessDrain();
const AudioInfo& mInfo;
const RefPtr<TaskQueue> mTaskQueue;
MediaDataDecoderCallback* mCallback;
// Vorbis decoder state
vorbis_info mVorbisInfo;
vorbis_comment mVorbisComment;
vorbis_dsp_state mVorbisDsp;
vorbis_block mVorbisBlock;
int64_t mPacketCount;
int64_t mFrames;
Maybe<int64_t> mLastFrameTime;
UniquePtr<AudioConverter> mAudioConverter;
Atomic<bool> mIsFlushing;
};
} // namespace mozilla
#endif
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