gecko-dev/dom/media/omx/OMXCodecProxy.h

100 строки
2.6 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/. */
#ifndef OMX_CODEC_PROXY_DECODER_H_
#define OMX_CODEC_PROXY_DECODER_H_
#include <android/native_window.h>
#include <media/IOMX.h>
#include <stagefright/MediaBuffer.h>
#include <stagefright/MediaSource.h>
#include <utils/threads.h>
#include "MediaResourceManagerClient.h"
namespace android {
struct MetaData;
class OMXCodecProxy : public MediaSource,
public MediaResourceManagerClient::EventListener
{
public:
struct EventListener : public virtual RefBase {
virtual void statusChanged() = 0;
};
static sp<OMXCodecProxy> Create(
const sp<IOMX> &omx,
const sp<MetaData> &meta, bool createEncoder,
const sp<MediaSource> &source,
const char *matchComponentName = nullptr,
uint32_t flags = 0,
const sp<ANativeWindow> &nativeWindow = nullptr);
MediaResourceManagerClient::State getState();
void setEventListener(const wp<EventListener>& listener);
void requestResource();
bool IsWaitingResources();
// MediaResourceManagerClient::EventListener
virtual void statusChanged(int event);
// MediaSource
virtual status_t start(MetaData *params = nullptr);
virtual status_t stop();
virtual sp<MetaData> getFormat();
virtual status_t read(
MediaBuffer **buffer, const ReadOptions *options = nullptr);
virtual status_t pause();
protected:
OMXCodecProxy(
const sp<IOMX> &omx,
const sp<MetaData> &meta,
bool createEncoder,
const sp<MediaSource> &source,
const char *matchComponentName,
uint32_t flags,
const sp<ANativeWindow> &nativeWindow);
virtual ~OMXCodecProxy();
void notifyStatusChangedLocked();
private:
OMXCodecProxy(const OMXCodecProxy &);
OMXCodecProxy &operator=(const OMXCodecProxy &);
Mutex mLock;
sp<IOMX> mOMX;
sp<MetaData> mSrcMeta;
char *mComponentName;
bool mIsEncoder;
// Flags specified in the creation of the codec.
uint32_t mFlags;
sp<ANativeWindow> mNativeWindow;
sp<MediaSource> mSource;
sp<MediaSource> mOMXCodec;
sp<MediaResourceManagerClient> mClient;
MediaResourceManagerClient::State mState;
sp<IMediaResourceManagerService> mManagerService;
wp<OMXCodecProxy::EventListener> mEventListener;
};
} // namespace android
#endif // OMX_CODEC_PROXY_DECODER_H_