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https://gitlab.winehq.org/wine/wine-gecko.git
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85 lines
2.7 KiB
C++
85 lines
2.7 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(PlatformDecoderModule_h_)
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#define PlatformDecoderModule_h_
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#include "MediaDecoderReader.h"
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#include "mozilla/layers/LayersTypes.h"
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namespace mozilla {
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namespace layers {
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class ImageContainer;
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}
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typedef int64_t Microseconds;
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enum DecoderStatus {
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DECODE_STATUS_NOT_ACCEPTING, // Can't accept input at this time.
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DECODE_STATUS_NEED_MORE_INPUT, // Nothing in pipeline to produce output with at this time.
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DECODE_STATUS_OK,
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DECODE_STATUS_ERROR
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};
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class MediaDataDecoder {
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public:
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virtual ~MediaDataDecoder() {};
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virtual nsresult Shutdown() = 0;
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// Returns true if future decodes may produce output, or false
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// on end of segment.
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// Inserts data into the decoder's pipeline.
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virtual DecoderStatus Input(const uint8_t* aData,
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uint32_t aLength,
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Microseconds aDTS,
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Microseconds aPTS,
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int64_t aOffsetInStream) = 0;
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// Blocks until decoded sample is produced by the deoder.
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virtual DecoderStatus Output(nsAutoPtr<MediaData>& aOutData) = 0;
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virtual DecoderStatus Flush() = 0;
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};
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class PlatformDecoderModule {
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public:
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// Creates the appropriate PlatformDecoderModule for this platform.
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// Caller is responsible for deleting this instance. It's safe to have
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// multiple PlatformDecoderModules alive at the same time.
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// There is one PlatformDecoderModule's created per media decoder.
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static PlatformDecoderModule* Create();
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// Called when the decoders have shutdown. Main thread only.
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virtual nsresult Shutdown() = 0;
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// TODO: Parameters for codec type.
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// Decode thread.
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virtual MediaDataDecoder* CreateVideoDecoder(layers::LayersBackend aLayersBackend,
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layers::ImageContainer* aImageContainer) = 0;
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// Decode thread.
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virtual MediaDataDecoder* CreateAudioDecoder(uint32_t aChannelCount,
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uint32_t aSampleRate,
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uint16_t aBitsPerSample,
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const uint8_t* aUserData,
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uint32_t aUserDataLength) = 0;
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// Platform decoders can override these. Base implementation does nothing.
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virtual void OnDecodeThreadStart();
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virtual void OnDecodeThreadFinish();
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virtual ~PlatformDecoderModule() {}
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protected:
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PlatformDecoderModule() {}
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};
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} // namespace mozilla
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#endif
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