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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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#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:
// 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("");
// p.prepare();
// ...
// p.release();
class TestPlayerStub : public MediaPlayerInterface {
typedef MediaPlayerBase* (*NEW_PLAYER)();
typedef status_t (*DELETE_PLAYER)(MediaPlayerBase *);
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) {
// All the methods below wrap the mPlayer instance.
virtual status_t setVideoSurfaceTexture(
const android::sp<android::IGraphicBufferProducer>& 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);
// Release the player, dlclose the library.
status_t resetInternal();
status_t parseUrl();
char *mUrl; //
char *mFilename; //
char *mContentUrl; // http://bar
void *mHandle; // returned by dlopen
NEW_PLAYER mNewPlayer;
DELETE_PLAYER mDeletePlayer;
MediaPlayerBase *mPlayer; // wrapped player
} // namespace android