/*
**
** Copyright 2012, 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.
*/
#define LOG_TAG "MediaPlayerFactory"
#include <utils/Log.h>
#include <cutils/properties.h>
#include <media/IMediaPlayer.h>
#include <media/stagefright/foundation/ADebug.h>
#include <utils/Errors.h>
#include <utils/misc.h>
#include "MediaPlayerFactory.h"
#include "MidiFile.h"
#include "TestPlayerStub.h"
#include "StagefrightPlayer.h"
#include "nuplayer/NuPlayerDriver.h"
namespace android {
Mutex MediaPlayerFactory::sLock;
MediaPlayerFactory::tFactoryMap MediaPlayerFactory::sFactoryMap;
bool MediaPlayerFactory::sInitComplete = false;
status_t MediaPlayerFactory::registerFactory_l(IFactory* factory,
player_type type) {
if (NULL == factory) {
ALOGE("Failed to register MediaPlayerFactory of type %d, factory is"
" NULL.", type);
return BAD_VALUE;
}
if (sFactoryMap.indexOfKey(type) >= 0) {
ALOGE("Failed to register MediaPlayerFactory of type %d, type is"
" already registered.", type);
return ALREADY_EXISTS;
}
if (sFactoryMap.add(type, factory) < 0) {
ALOGE("Failed to register MediaPlayerFactory of type %d, failed to add"
" to map.", type);
return UNKNOWN_ERROR;
}
return OK;
}
player_type MediaPlayerFactory::getDefaultPlayerType() {
char value[PROPERTY_VALUE_MAX];
if (property_get("media.stagefright.use-nuplayer", value, NULL)
&& (!strcmp("1", value) || !strcasecmp("true", value))) {
return NU_PLAYER;
}
return STAGEFRIGHT_PLAYER;
}
status_t MediaPlayerFactory::registerFactory(IFactory* factory,
player_type type) {
Mutex::Autolock lock_(&sLock);
return registerFactory_l(factory, type);
}
void MediaPlayerFactory::unregisterFactory(player_type type) {
Mutex::Autolock lock_(&sLock);
sFactoryMap.removeItem(type);
}
#define GET_PLAYER_TYPE_IMPL(a...) \
Mutex::Autolock lock_(&sLock); \
\
player_type ret = STAGEFRIGHT_PLAYER; \
float bestScore = 0.0; \
\
for (size_t i = 0; i < sFactoryMap.size(); ++i) { \
\
IFactory* v = sFactoryMap.valueAt(i); \
float thisScore; \
CHECK(v != NULL); \
thisScore = v->scoreFactory(a, bestScore); \
if (thisScore > bestScore) { \
ret = sFactoryMap.keyAt(i); \
bestScore = thisScore; \
} \
} \
\
if (0.0 == bestScore) { \
bestScore = getDefaultPlayerType(); \
} \
\
return ret;
player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
const char* url) {
GET_PLAYER_TYPE_IMPL(client, url);
}
player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
int fd,
int64_t offset,
int64_t length) {
GET_PLAYER_TYPE_IMPL(client, fd, offset, length);
}
player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
const sp<IStreamSource> &source) {
GET_PLAYER_TYPE_IMPL(client, source);
}
#undef GET_PLAYER_TYPE_IMPL
sp<MediaPlayerBase> MediaPlayerFactory::createPlayer(
player_type playerType,
void* cookie,
notify_callback_f notifyFunc) {
sp<MediaPlayerBase> p;
IFactory* factory;
status_t init_result;
Mutex::Autolock lock_(&sLock);
if (sFactoryMap.indexOfKey(playerType) < 0) {
ALOGE("Failed to create player object of type %d, no registered"
" factory", playerType);
return p;
}
factory = sFactoryMap.valueFor(playerType);
CHECK(NULL != factory);
p = factory->createPlayer();
if (p == NULL) {
ALOGE("Failed to create player object of type %d, create failed",
playerType);
return p;
}
init_result = p->initCheck();
if (init_result == NO_ERROR) {
p->setNotifyCallback(cookie, notifyFunc);
} else {
ALOGE("Failed to create player object of type %d, initCheck failed"
" (res = %d)", playerType, init_result);
p.clear();
}
return p;
}
/*****************************************************************************
* *
* Built-In Factory Implementations *
* *
*****************************************************************************/
class StagefrightPlayerFactory :
public MediaPlayerFactory::IFactory {
public:
virtual float scoreFactory(const sp<IMediaPlayer>& client,
int fd,
int64_t offset,
int64_t length,
float curScore) {
char buf[20];
lseek(fd, offset, SEEK_SET);
read(fd, buf, sizeof(buf));
lseek(fd, offset, SEEK_SET);
long ident = *((long*)buf);
// Ogg vorbis?
if (ident == 0x5367674f) // 'OggS'
return 1.0;
return 0.0;
}
virtual sp<MediaPlayerBase> createPlayer() {
ALOGV(" create StagefrightPlayer");
return new StagefrightPlayer();
}
};
class NuPlayerFactory : public MediaPlayerFactory::IFactory {
public:
virtual float scoreFactory(const sp<IMediaPlayer>& client,
const char* url,
float curScore) {
static const float kOurScore = 0.8;
if (kOurScore <= curScore)
return 0.0;
if (!strncasecmp("http://", url, 7)
|| !strncasecmp("https://", url, 8)) {
size_t len = strlen(url);
if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
return kOurScore;
}
if (strstr(url,"m3u8")) {
return kOurScore;
}
}
if (!strncasecmp("rtsp://", url, 7)) {
return kOurScore;
}
return 0.0;
}
virtual float scoreFactory(const sp<IMediaPlayer>& client,
const sp<IStreamSource> &source,
float curScore) {
return 1.0;
}
virtual sp<MediaPlayerBase> createPlayer() {
ALOGV(" create NuPlayer");
return new NuPlayerDriver;
}
};
class SonivoxPlayerFactory : public MediaPlayerFactory::IFactory {
public:
virtual float scoreFactory(const sp<IMediaPlayer>& client,
const char* url,
float curScore) {
static const float kOurScore = 0.4;
static const char* const FILE_EXTS[] = { ".mid",
".midi",
".smf",
".xmf",
".mxmf",
".imy",
".rtttl",
".rtx",
".ota" };
if (kOurScore <= curScore)
return 0.0;
// use MidiFile for MIDI extensions
int lenURL = strlen(url);
for (int i = 0; i < NELEM(FILE_EXTS); ++i) {
int len = strlen(FILE_EXTS[i]);
int start = lenURL - len;
if (start > 0) {
if (!strncasecmp(url + start, FILE_EXTS[i], len)) {
return kOurScore;
}
}
}
return 0.0;
}
virtual float scoreFactory(const sp<IMediaPlayer>& client,
int fd,
int64_t offset,
int64_t length,
float curScore) {
static const float kOurScore = 0.8;
if (kOurScore <= curScore)
return 0.0;
// Some kind of MIDI?
EAS_DATA_HANDLE easdata;
if (EAS_Init(&easdata) == EAS_SUCCESS) {
EAS_FILE locator;
locator.path = NULL;
locator.fd = fd;
locator.offset = offset;
locator.length = length;
EAS_HANDLE eashandle;
if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) {
EAS_CloseFile(easdata, eashandle);
EAS_Shutdown(easdata);
return kOurScore;
}
EAS_Shutdown(easdata);
}
return 0.0;
}
virtual sp<MediaPlayerBase> createPlayer() {
ALOGV(" create MidiFile");
return new MidiFile();
}
};
class TestPlayerFactory : public MediaPlayerFactory::IFactory {
public:
virtual float scoreFactory(const sp<IMediaPlayer>& client,
const char* url,
float curScore) {
if (TestPlayerStub::canBeUsed(url)) {
return 1.0;
}
return 0.0;
}
virtual sp<MediaPlayerBase> createPlayer() {
ALOGV("Create Test Player stub");
return new TestPlayerStub();
}
};
void MediaPlayerFactory::registerBuiltinFactories() {
Mutex::Autolock lock_(&sLock);
if (sInitComplete)
return;
registerFactory_l(new StagefrightPlayerFactory(), STAGEFRIGHT_PLAYER);
registerFactory_l(new NuPlayerFactory(), NU_PLAYER);
registerFactory_l(new SonivoxPlayerFactory(), SONIVOX_PLAYER);
registerFactory_l(new TestPlayerFactory(), TEST_PLAYER);
sInitComplete = true;
}
} // namespace android