Dactyloidae/dom/media/platforms/agnostic/Dav1dDecoder.h
2026-06-25 22:44:38 -07:00

61 lines
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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(Dav1dDecoder_h_)
#define Dav1dDecoder_h_
#include "PlatformDecoderModule.h"
#include "mozilla/Span.h"
#include <stdint.h>
typedef struct Dav1dContext Dav1dContext;
typedef struct Dav1dPicture Dav1dPicture;
namespace mozilla {
class Dav1dDecoder : public MediaDataDecoder
{
public:
explicit Dav1dDecoder(const CreateDecoderParams& aParams);
RefPtr<InitPromise> Init() override;
void Input(MediaRawData* aSample) override;
void Flush() override;
void Drain() override;
void Shutdown() override;
const char* GetDescriptionName() const override
{
return "dav1d (AV1) video decoder";
}
// Return true if aMimeType is a one of the strings used
// by our demuxers to identify AV1 streams.
static bool IsAV1(const nsACString& aMimeType);
// Return the frame dimensions from a sequence header, when one is present.
static nsIntSize GetFrameSize(Span<const uint8_t> aBuffer);
private:
~Dav1dDecoder();
void ProcessDecode(MediaRawData* aSample);
MediaResult DoDecode(MediaRawData* aSample);
MediaResult DrainOutput();
MediaResult OutputPicture(const Dav1dPicture& aPicture);
void ProcessDrain();
const RefPtr<layers::ImageContainer> mImageContainer;
const RefPtr<TaskQueue> mTaskQueue;
MediaDataDecoderCallback* mCallback;
Atomic<bool> mIsFlushing;
Dav1dContext* mDecoder;
const VideoInfo& mInfo;
};
} // namespace mozilla
#endif // Dav1dDecoder_h_