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1c8af26369
When av1 video playback is enabled, declare it as supported in the webm container in MediaSource.IsTypeSupported. Also support special mime types of the form video/webm; codecs=vp9.experimental.<git-commit-id> so test sites can verify playback support of particular encodings while the av1 bitstream is under development.
65 lines
1.8 KiB
C++
65 lines
1.8 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(AOMDecoder_h_)
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#define AOMDecoder_h_
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#include "PlatformDecoderModule.h"
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#include "mozilla/Span.h"
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#include <stdint.h>
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#include "aom/aom_decoder.h"
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namespace mozilla {
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class AOMDecoder : public MediaDataDecoder
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{
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public:
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explicit AOMDecoder(const CreateDecoderParams& aParams);
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RefPtr<InitPromise> Init() override;
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void Input(MediaRawData* aSample) override;
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void Flush() override;
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void Drain() override;
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void Shutdown() override;
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const char* GetDescriptionName() const override
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{
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return "libaom (AV1) video decoder";
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}
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// Return true if aMimeType is a one of the strings used
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// by our demuxers to identify AV1 streams.
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static bool IsAV1(const nsACString& aMimeType);
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// Return true if aCodecType is a supported codec description.
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static bool IsSupportedCodec(const nsAString& aCodecType);
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// Return true if a sample is a keyframe.
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static bool IsKeyframe(Span<const uint8_t> aBuffer);
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// Return the frame dimensions for a sample.
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static nsIntSize GetFrameSize(Span<const uint8_t> aBuffer);
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private:
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~AOMDecoder();
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void ProcessDecode(MediaRawData* aSample);
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MediaResult DoDecode(MediaRawData* aSample);
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void ProcessDrain();
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const RefPtr<layers::ImageContainer> mImageContainer;
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const RefPtr<TaskQueue> mTaskQueue;
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MediaDataDecoderCallback* mCallback;
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Atomic<bool> mIsFlushing;
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// AOM decoder state
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aom_codec_ctx_t mCodec;
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const VideoInfo& mInfo;
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};
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} // namespace mozilla
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#endif // AOMDecoder_h_
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