зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
2.7 KiB
C++
102 строки
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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef OMX_CODEC_PROXY_DECODER_H_
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#define OMX_CODEC_PROXY_DECODER_H_
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#include <android/native_window.h>
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#include <media/IOMX.h>
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#include <stagefright/MediaBuffer.h>
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#include <stagefright/MediaSource.h>
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#include <utils/threads.h>
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#include "mozilla/media/MediaSystemResourceClient.h"
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#include "mozilla/MozPromise.h"
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#include "mozilla/RefPtr.h"
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namespace android {
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struct MetaData;
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class OMXCodecProxy : public MediaSource
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, public mozilla::MediaSystemResourceReservationListener
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{
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public:
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typedef mozilla::MozPromise<bool /* aIgnored */, bool /* aIgnored */, /* IsExclusive = */ true> CodecPromise;
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// Enumeration for the valid resource allcoation states
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enum class ResourceState : int8_t {
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START,
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WAITING,
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ACQUIRED,
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NOT_ACQUIRED,
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END
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};
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static sp<OMXCodecProxy> Create(
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const sp<IOMX> &omx,
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const sp<MetaData> &meta, bool createEncoder,
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const sp<MediaSource> &source,
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const char *matchComponentName = nullptr,
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uint32_t flags = 0,
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const sp<ANativeWindow> &nativeWindow = nullptr);
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RefPtr<CodecPromise> requestResource();
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// MediaSystemResourceReservationListener
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void ResourceReserved() override;
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void ResourceReserveFailed() override;
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// MediaSource
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virtual status_t start(MetaData *params = nullptr);
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virtual status_t stop();
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virtual sp<MetaData> getFormat();
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virtual status_t read(
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MediaBuffer **buffer, const ReadOptions *options = nullptr);
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virtual status_t pause();
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protected:
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OMXCodecProxy(
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const sp<IOMX> &omx,
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const sp<MetaData> &meta,
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bool createEncoder,
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const sp<MediaSource> &source,
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const char *matchComponentName,
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uint32_t flags,
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const sp<ANativeWindow> &nativeWindow);
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virtual ~OMXCodecProxy();
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private:
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OMXCodecProxy(const OMXCodecProxy &);
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OMXCodecProxy &operator=(const OMXCodecProxy &);
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Mutex mLock;
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sp<IOMX> mOMX;
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sp<MetaData> mSrcMeta;
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char *mComponentName;
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bool mIsEncoder;
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// Flags specified in the creation of the codec.
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uint32_t mFlags;
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sp<ANativeWindow> mNativeWindow;
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sp<MediaSource> mSource;
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sp<MediaSource> mOMXCodec;
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RefPtr<mozilla::MediaSystemResourceClient> mResourceClient;
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ResourceState mState;
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mozilla::MozPromiseHolder<CodecPromise> mCodecPromise;
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};
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} // namespace android
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#endif // OMX_CODEC_PROXY_DECODER_H_
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