forked from mirrors/gecko-dev
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(VorbisDecoder_h_)
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# define VorbisDecoder_h_
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# include "AudioConverter.h"
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# include "PlatformDecoderModule.h"
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# include "mozilla/Maybe.h"
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# include <vorbis/codec.h>
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namespace mozilla {
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DDLoggedTypeDeclNameAndBase(VorbisDataDecoder, MediaDataDecoder);
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class VorbisDataDecoder final
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: public MediaDataDecoder,
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public DecoderDoctorLifeLogger<VorbisDataDecoder> {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VorbisDataDecoder, final);
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explicit VorbisDataDecoder(const CreateDecoderParams& aParams);
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RefPtr<InitPromise> Init() override;
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RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
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RefPtr<DecodePromise> Drain() override;
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RefPtr<FlushPromise> Flush() override;
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RefPtr<ShutdownPromise> Shutdown() override;
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nsCString GetDescriptionName() const override {
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return "vorbis audio decoder"_ns;
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}
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nsCString GetCodecName() const override { return "vorbis"_ns; }
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// Return true if mimetype is Vorbis
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static bool IsVorbis(const nsACString& aMimeType);
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static const AudioConfig::Channel* VorbisLayout(uint32_t aChannels);
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private:
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~VorbisDataDecoder();
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nsresult DecodeHeader(const unsigned char* aData, size_t aLength);
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const AudioInfo mInfo;
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nsCOMPtr<nsISerialEventTarget> mThread;
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// Vorbis decoder state
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vorbis_info mVorbisInfo;
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vorbis_comment mVorbisComment;
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vorbis_dsp_state mVorbisDsp;
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vorbis_block mVorbisBlock;
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int64_t mPacketCount;
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int64_t mFrames;
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Maybe<int64_t> mLastFrameTime;
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UniquePtr<AudioConverter> mAudioConverter;
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};
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} // namespace mozilla
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#endif
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