trisquel-icecat/icecat/dom/media/platforms/agnostic/TheoraDecoder.h

63 lines
1.9 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/. */
#if !defined(TheoraDecoder_h_)
# define TheoraDecoder_h_
# include <stdint.h>
# include "PlatformDecoderModule.h"
# include <theora/theoradec.h>
namespace mozilla {
DDLoggedTypeDeclNameAndBase(TheoraDecoder, MediaDataDecoder);
class TheoraDecoder final : public MediaDataDecoder,
public DecoderDoctorLifeLogger<TheoraDecoder> {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TheoraDecoder, final);
explicit TheoraDecoder(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;
// Return true if mimetype is a Theora codec
static bool IsTheora(const nsACString& aMimeType);
nsCString GetDescriptionName() const override {
return "theora video decoder"_ns;
}
nsCString GetCodecName() const override { return "theora"_ns; }
private:
~TheoraDecoder();
nsresult DoDecodeHeader(const unsigned char* aData, size_t aLength);
RefPtr<DecodePromise> ProcessDecode(MediaRawData* aSample);
const RefPtr<layers::KnowsCompositor> mImageAllocator;
const RefPtr<layers::ImageContainer> mImageContainer;
const RefPtr<TaskQueue> mTaskQueue;
// Theora header & decoder state
th_info mTheoraInfo;
th_comment mTheoraComment;
th_setup_info* mTheoraSetupInfo;
th_dec_ctx* mTheoraDecoderContext;
int mPacketCount;
const VideoInfo mInfo;
const Maybe<TrackingId> mTrackingId;
};
} // namespace mozilla
#endif