1/*
2**
3** Copyright 2012, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18//#define LOG_NDEBUG 0
19#define LOG_TAG "MediaPlayerFactory"
20#include <utils/Log.h>
21
22#include <cutils/properties.h>
23#include <media/IMediaPlayer.h>
24#include <media/stagefright/DataSource.h>
25#include <media/stagefright/FileSource.h>
26#include <media/stagefright/foundation/ADebug.h>
27#include <utils/Errors.h>
28#include <utils/misc.h>
29
30#include "MediaPlayerFactory.h"
31
32#include "TestPlayerStub.h"
33#include "nuplayer/NuPlayerDriver.h"
34
35namespace android {
36
37Mutex MediaPlayerFactory::sLock;
38MediaPlayerFactory::tFactoryMap MediaPlayerFactory::sFactoryMap;
39bool MediaPlayerFactory::sInitComplete = false;
40
41status_t MediaPlayerFactory::registerFactory_l(IFactory* factory,
42                                               player_type type) {
43    if (NULL == factory) {
44        ALOGE("Failed to register MediaPlayerFactory of type %d, factory is"
45              " NULL.", type);
46        return BAD_VALUE;
47    }
48
49    if (sFactoryMap.indexOfKey(type) >= 0) {
50        ALOGE("Failed to register MediaPlayerFactory of type %d, type is"
51              " already registered.", type);
52        return ALREADY_EXISTS;
53    }
54
55    if (sFactoryMap.add(type, factory) < 0) {
56        ALOGE("Failed to register MediaPlayerFactory of type %d, failed to add"
57              " to map.", type);
58        return UNKNOWN_ERROR;
59    }
60
61    return OK;
62}
63
64static player_type getDefaultPlayerType() {
65    return NU_PLAYER;
66}
67
68status_t MediaPlayerFactory::registerFactory(IFactory* factory,
69                                             player_type type) {
70    Mutex::Autolock lock_(&sLock);
71    return registerFactory_l(factory, type);
72}
73
74void MediaPlayerFactory::unregisterFactory(player_type type) {
75    Mutex::Autolock lock_(&sLock);
76    sFactoryMap.removeItem(type);
77}
78
79#define GET_PLAYER_TYPE_IMPL(a...)                      \
80    Mutex::Autolock lock_(&sLock);                      \
81                                                        \
82    player_type ret = STAGEFRIGHT_PLAYER;               \
83    float bestScore = 0.0;                              \
84                                                        \
85    for (size_t i = 0; i < sFactoryMap.size(); ++i) {   \
86                                                        \
87        IFactory* v = sFactoryMap.valueAt(i);           \
88        float thisScore;                                \
89        CHECK(v != NULL);                               \
90        thisScore = v->scoreFactory(a, bestScore);      \
91        if (thisScore > bestScore) {                    \
92            ret = sFactoryMap.keyAt(i);                 \
93            bestScore = thisScore;                      \
94        }                                               \
95    }                                                   \
96                                                        \
97    if (0.0 == bestScore) {                             \
98        ret = getDefaultPlayerType();                   \
99    }                                                   \
100                                                        \
101    return ret;
102
103player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
104                                              const char* url) {
105    GET_PLAYER_TYPE_IMPL(client, url);
106}
107
108player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
109                                              int fd,
110                                              int64_t offset,
111                                              int64_t length) {
112    GET_PLAYER_TYPE_IMPL(client, fd, offset, length);
113}
114
115player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
116                                              const sp<IStreamSource> &source) {
117    GET_PLAYER_TYPE_IMPL(client, source);
118}
119
120player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
121                                              const sp<DataSource> &source) {
122    GET_PLAYER_TYPE_IMPL(client, source);
123}
124
125#undef GET_PLAYER_TYPE_IMPL
126
127sp<MediaPlayerBase> MediaPlayerFactory::createPlayer(
128        player_type playerType,
129        void* cookie,
130        notify_callback_f notifyFunc,
131        pid_t pid) {
132    sp<MediaPlayerBase> p;
133    IFactory* factory;
134    status_t init_result;
135    Mutex::Autolock lock_(&sLock);
136
137    if (sFactoryMap.indexOfKey(playerType) < 0) {
138        ALOGE("Failed to create player object of type %d, no registered"
139              " factory", playerType);
140        return p;
141    }
142
143    factory = sFactoryMap.valueFor(playerType);
144    CHECK(NULL != factory);
145    p = factory->createPlayer(pid);
146
147    if (p == NULL) {
148        ALOGE("Failed to create player object of type %d, create failed",
149               playerType);
150        return p;
151    }
152
153    init_result = p->initCheck();
154    if (init_result == NO_ERROR) {
155        p->setNotifyCallback(cookie, notifyFunc);
156    } else {
157        ALOGE("Failed to create player object of type %d, initCheck failed"
158              " (res = %d)", playerType, init_result);
159        p.clear();
160    }
161
162    return p;
163}
164
165/*****************************************************************************
166 *                                                                           *
167 *                     Built-In Factory Implementations                      *
168 *                                                                           *
169 *****************************************************************************/
170
171class NuPlayerFactory : public MediaPlayerFactory::IFactory {
172  public:
173    virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/,
174                               const char* url,
175                               float curScore) {
176        static const float kOurScore = 0.8;
177
178        if (kOurScore <= curScore)
179            return 0.0;
180
181        if (!strncasecmp("http://", url, 7)
182                || !strncasecmp("https://", url, 8)
183                || !strncasecmp("file://", url, 7)) {
184            size_t len = strlen(url);
185            if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
186                return kOurScore;
187            }
188
189            if (strstr(url,"m3u8")) {
190                return kOurScore;
191            }
192
193            if ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) || strstr(url, ".sdp?")) {
194                return kOurScore;
195            }
196        }
197
198        if (!strncasecmp("rtsp://", url, 7)) {
199            return kOurScore;
200        }
201
202        return 0.0;
203    }
204
205    virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/,
206                               const sp<IStreamSource>& /*source*/,
207                               float /*curScore*/) {
208        return 1.0;
209    }
210
211    virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/,
212                               const sp<DataSource>& /*source*/,
213                               float /*curScore*/) {
214        // Only NuPlayer supports setting a DataSource source directly.
215        return 1.0;
216    }
217
218    virtual sp<MediaPlayerBase> createPlayer(pid_t pid) {
219        ALOGV(" create NuPlayer");
220        return new NuPlayerDriver(pid);
221    }
222};
223
224class TestPlayerFactory : public MediaPlayerFactory::IFactory {
225  public:
226    virtual float scoreFactory(const sp<IMediaPlayer>& /*client*/,
227                               const char* url,
228                               float /*curScore*/) {
229        if (TestPlayerStub::canBeUsed(url)) {
230            return 1.0;
231        }
232
233        return 0.0;
234    }
235
236    virtual sp<MediaPlayerBase> createPlayer(pid_t /* pid */) {
237        ALOGV("Create Test Player stub");
238        return new TestPlayerStub();
239    }
240};
241
242void MediaPlayerFactory::registerBuiltinFactories() {
243    Mutex::Autolock lock_(&sLock);
244
245    if (sInitComplete)
246        return;
247
248    registerFactory_l(new NuPlayerFactory(), NU_PLAYER);
249    registerFactory_l(new TestPlayerFactory(), TEST_PLAYER);
250
251    sInitComplete = true;
252}
253
254}  // namespace android
255