зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
1.7 KiB
C++
59 строки
1.7 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(TheoraDecoder_h_)
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# define TheoraDecoder_h_
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# include "PlatformDecoderModule.h"
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# include "ogg/ogg.h"
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# include "theora/theoradec.h"
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# include <stdint.h>
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namespace mozilla {
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DDLoggedTypeDeclNameAndBase(TheoraDecoder, MediaDataDecoder);
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class TheoraDecoder : public MediaDataDecoder,
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public DecoderDoctorLifeLogger<TheoraDecoder> {
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public:
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explicit TheoraDecoder(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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// Return true if mimetype is a Theora codec
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static bool IsTheora(const nsACString& aMimeType);
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nsCString GetDescriptionName() const override {
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return NS_LITERAL_CSTRING("theora video decoder");
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}
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private:
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~TheoraDecoder();
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nsresult DoDecodeHeader(const unsigned char* aData, size_t aLength);
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RefPtr<DecodePromise> ProcessDecode(MediaRawData* aSample);
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RefPtr<layers::KnowsCompositor> mImageAllocator;
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RefPtr<layers::ImageContainer> mImageContainer;
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RefPtr<TaskQueue> mTaskQueue;
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// Theora header & decoder state
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th_info mTheoraInfo;
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th_comment mTheoraComment;
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th_setup_info* mTheoraSetupInfo;
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th_dec_ctx* mTheoraDecoderContext;
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int mPacketCount;
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const VideoInfo& mInfo;
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};
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} // namespace mozilla
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#endif
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