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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_FRAMEWORKS_BASE_MEDIA_LIBMEDIAPLAYERSERVICE_TESTPLAYERSTUB_H__
#define ANDROID_FRAMEWORKS_BASE_MEDIA_LIBMEDIAPLAYERSERVICE_TESTPLAYERSTUB_H__
#include <media/MediaPlayerInterface.h>
#include <utils/Errors.h>
namespace android {
class MediaPlayerBase; // in media/MediaPlayerInterface.h
// Wrapper around a test media player that gets dynamically loaded.
//
// The URL passed to setDataSource has this format:
//
// test:<name of the .so>?url=<url for the real setDataSource impl.>
//
// e.g:
// test:invoke_test_media_player.so?url=http://youtube.com/
// test:invoke_test_media_player.so?url=speedtest
//
// TestPlayerStub::setDataSource loads the library in the test url. 2
// entry points with C linkage are expected. One to create the test
// player and one to destroy it.
//
// extern "C" android::MediaPlayerBase* newPlayer();
// extern "C" android::status_t deletePlayer(android::MediaPlayerBase *p);
//
// Once the test player has been loaded, its setDataSource
// implementation is called with the value of the 'url' parameter.
//
// typical usage in a java test:
// ============================
//
// MediaPlayer p = new MediaPlayer();
// p.setDataSource("test:invoke_mock_media_player.so?url=http://youtube.com");
// p.prepare();
// ...
// p.release();
class TestPlayerStub : public MediaPlayerInterface {
public:
typedef MediaPlayerBase* (*NEW_PLAYER)();
typedef status_t (*DELETE_PLAYER)(MediaPlayerBase *);
TestPlayerStub();
virtual ~TestPlayerStub();
// Called right after the constructor. Check if the current build
// allows test players.
virtual status_t initCheck();
// @param url Should be a test url. See class comment.
virtual status_t setDataSource(
const char* url, const KeyedVector<String8, String8> *headers);
// Test player for a file descriptor source is not supported.
virtual status_t setDataSource(int, int64_t, int64_t) {
return INVALID_OPERATION;
}
// All the methods below wrap the mPlayer instance.
virtual status_t setVideoSurface(const android::sp<android::Surface>& s) {
return mPlayer->setVideoSurface(s);
}
virtual status_t setVideoSurfaceTexture(
const android::sp<android::ISurfaceTexture>& st) {
return mPlayer->setVideoSurfaceTexture(st);
}
virtual status_t prepare() {return mPlayer->prepare();}
virtual status_t prepareAsync() {return mPlayer->prepareAsync();}
virtual status_t start() {return mPlayer->start();}
virtual status_t stop() {return mPlayer->stop();}
virtual status_t pause() {return mPlayer->pause();}
virtual bool isPlaying() {return mPlayer->isPlaying();}
virtual status_t seekTo(int msec) {return mPlayer->seekTo(msec);}
virtual status_t getCurrentPosition(int *p) {
return mPlayer->getCurrentPosition(p);
}
virtual status_t getDuration(int *d) {return mPlayer->getDuration(d);}
virtual status_t reset() {return mPlayer->reset();}
virtual status_t setLooping(int b) {return mPlayer->setLooping(b);}
virtual player_type playerType() {return mPlayer->playerType();}
virtual status_t invoke(const android::Parcel& in, android::Parcel *out) {
return mPlayer->invoke(in, out);
}
virtual status_t setParameter(int key, const Parcel &request) {
return mPlayer->setParameter(key, request);
}
virtual status_t getParameter(int key, Parcel *reply) {
return mPlayer->getParameter(key, reply);
}
// @return true if the current build is 'eng' or 'test' and the
// url's scheme is 'test:'
static bool canBeUsed(const char *url);
private:
// Release the player, dlclose the library.
status_t resetInternal();
status_t parseUrl();
char *mUrl; // test:foo.so?url=http://bar
char *mFilename; // foo.so
char *mContentUrl; // http://bar
void *mHandle; // returned by dlopen
NEW_PLAYER mNewPlayer;
DELETE_PLAYER mDeletePlayer;
MediaPlayerBase *mPlayer; // wrapped player
};
} // namespace android
#endif
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