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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 "AudioConverter.h"
# include "PlatformDecoderModule.h"
# include "mozilla/Maybe.h"
# ifdef MOZ_TREMOR
# include "tremor/ivorbiscodec.h"
# else
# include "vorbis/codec.h"
# endif
namespace mozilla {
DDLoggedTypeDeclNameAndBase(VorbisDataDecoder, MediaDataDecoder);
class VorbisDataDecoder final
: public MediaDataDecoder,
public DecoderDoctorLifeLogger<VorbisDataDecoder> {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VorbisDataDecoder, final);
explicit VorbisDataDecoder(const CreateDecoderParams& aParams);
RefPtr<InitPromise> Init() override;
RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
RefPtr<DecodePromise> Drain() override;
RefPtr<FlushPromise> Flush() override;
RefPtr<ShutdownPromise> Shutdown() override;
nsCString GetDescriptionName() const override {
return "vorbis audio decoder"_ns;
}
nsCString GetCodecName() const override { return "vorbis"_ns; }
// Return true if mimetype is Vorbis
static bool IsVorbis(const nsACString& aMimeType);
static const AudioConfig::Channel* VorbisLayout(uint32_t aChannels);
private:
~VorbisDataDecoder();
nsresult DecodeHeader(const unsigned char* aData, size_t aLength);
const AudioInfo mInfo;
nsCOMPtr<nsISerialEventTarget> mThread;
// 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;
};
} // namespace mozilla
#endif
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