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_TAG "MediaPlayerFactory"
19#include <utils/Log.h>
20
21#include <cutils/properties.h>
22#include <media/IMediaPlayer.h>
23#include <media/stagefright/foundation/ADebug.h>
24#include <utils/Errors.h>
25#include <utils/misc.h>
26
27#include "MediaPlayerFactory.h"
28
29#include "MidiFile.h"
30#include "TestPlayerStub.h"
31#include "StagefrightPlayer.h"
32#include "nuplayer/NuPlayerDriver.h"
33
34namespace android {
35
36Mutex MediaPlayerFactory::sLock;
37MediaPlayerFactory::tFactoryMap MediaPlayerFactory::sFactoryMap;
38bool MediaPlayerFactory::sInitComplete = false;
39
40status_t MediaPlayerFactory::registerFactory_l(IFactory* factory,
41                                               player_type type) {
42    if (NULL == factory) {
43        ALOGE("Failed to register MediaPlayerFactory of type %d, factory is"
44              " NULL.", type);
45        return BAD_VALUE;
46    }
47
48    if (sFactoryMap.indexOfKey(type) >= 0) {
49        ALOGE("Failed to register MediaPlayerFactory of type %d, type is"
50              " already registered.", type);
51        return ALREADY_EXISTS;
52    }
53
54    if (sFactoryMap.add(type, factory) < 0) {
55        ALOGE("Failed to register MediaPlayerFactory of type %d, failed to add"
56              " to map.", type);
57        return UNKNOWN_ERROR;
58    }
59
60    return OK;
61}
62
63player_type MediaPlayerFactory::getDefaultPlayerType() {
64    char value[PROPERTY_VALUE_MAX];
65    if (property_get("media.stagefright.use-nuplayer", value, NULL)
66            && (!strcmp("1", value) || !strcasecmp("true", value))) {
67        return NU_PLAYER;
68    }
69
70    return STAGEFRIGHT_PLAYER;
71}
72
73status_t MediaPlayerFactory::registerFactory(IFactory* factory,
74                                             player_type type) {
75    Mutex::Autolock lock_(&sLock);
76    return registerFactory_l(factory, type);
77}
78
79void MediaPlayerFactory::unregisterFactory(player_type type) {
80    Mutex::Autolock lock_(&sLock);
81    sFactoryMap.removeItem(type);
82}
83
84#define GET_PLAYER_TYPE_IMPL(a...)                      \
85    Mutex::Autolock lock_(&sLock);                      \
86                                                        \
87    player_type ret = STAGEFRIGHT_PLAYER;               \
88    float bestScore = 0.0;                              \
89                                                        \
90    for (size_t i = 0; i < sFactoryMap.size(); ++i) {   \
91                                                        \
92        IFactory* v = sFactoryMap.valueAt(i);           \
93        float thisScore;                                \
94        CHECK(v != NULL);                               \
95        thisScore = v->scoreFactory(a, bestScore);      \
96        if (thisScore > bestScore) {                    \
97            ret = sFactoryMap.keyAt(i);                 \
98            bestScore = thisScore;                      \
99        }                                               \
100    }                                                   \
101                                                        \
102    if (0.0 == bestScore) {                             \
103        bestScore = getDefaultPlayerType();             \
104    }                                                   \
105                                                        \
106    return ret;
107
108player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
109                                              const char* url) {
110    GET_PLAYER_TYPE_IMPL(client, url);
111}
112
113player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
114                                              int fd,
115                                              int64_t offset,
116                                              int64_t length) {
117    GET_PLAYER_TYPE_IMPL(client, fd, offset, length);
118}
119
120player_type MediaPlayerFactory::getPlayerType(const sp<IMediaPlayer>& client,
121                                              const sp<IStreamSource> &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    sp<MediaPlayerBase> p;
132    IFactory* factory;
133    status_t init_result;
134    Mutex::Autolock lock_(&sLock);
135
136    if (sFactoryMap.indexOfKey(playerType) < 0) {
137        ALOGE("Failed to create player object of type %d, no registered"
138              " factory", playerType);
139        return p;
140    }
141
142    factory = sFactoryMap.valueFor(playerType);
143    CHECK(NULL != factory);
144    p = factory->createPlayer();
145
146    if (p == NULL) {
147        ALOGE("Failed to create player object of type %d, create failed",
148               playerType);
149        return p;
150    }
151
152    init_result = p->initCheck();
153    if (init_result == NO_ERROR) {
154        p->setNotifyCallback(cookie, notifyFunc);
155    } else {
156        ALOGE("Failed to create player object of type %d, initCheck failed"
157              " (res = %d)", playerType, init_result);
158        p.clear();
159    }
160
161    return p;
162}
163
164/*****************************************************************************
165 *                                                                           *
166 *                     Built-In Factory Implementations                      *
167 *                                                                           *
168 *****************************************************************************/
169
170class StagefrightPlayerFactory :
171    public MediaPlayerFactory::IFactory {
172  public:
173    virtual float scoreFactory(const sp<IMediaPlayer>& client,
174                               int fd,
175                               int64_t offset,
176                               int64_t length,
177                               float curScore) {
178        char buf[20];
179        lseek(fd, offset, SEEK_SET);
180        read(fd, buf, sizeof(buf));
181        lseek(fd, offset, SEEK_SET);
182
183        long ident = *((long*)buf);
184
185        // Ogg vorbis?
186        if (ident == 0x5367674f) // 'OggS'
187            return 1.0;
188
189        return 0.0;
190    }
191
192    virtual sp<MediaPlayerBase> createPlayer() {
193        ALOGV(" create StagefrightPlayer");
194        return new StagefrightPlayer();
195    }
196};
197
198class NuPlayerFactory : public MediaPlayerFactory::IFactory {
199  public:
200    virtual float scoreFactory(const sp<IMediaPlayer>& client,
201                               const char* url,
202                               float curScore) {
203        static const float kOurScore = 0.8;
204
205        if (kOurScore <= curScore)
206            return 0.0;
207
208        if (!strncasecmp("http://", url, 7)
209                || !strncasecmp("https://", url, 8)) {
210            size_t len = strlen(url);
211            if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
212                return kOurScore;
213            }
214
215            if (strstr(url,"m3u8")) {
216                return kOurScore;
217            }
218        }
219
220        if (!strncasecmp("rtsp://", url, 7)) {
221            return kOurScore;
222        }
223
224        return 0.0;
225    }
226
227    virtual float scoreFactory(const sp<IMediaPlayer>& client,
228                               const sp<IStreamSource> &source,
229                               float curScore) {
230        return 1.0;
231    }
232
233    virtual sp<MediaPlayerBase> createPlayer() {
234        ALOGV(" create NuPlayer");
235        return new NuPlayerDriver;
236    }
237};
238
239class SonivoxPlayerFactory : public MediaPlayerFactory::IFactory {
240  public:
241    virtual float scoreFactory(const sp<IMediaPlayer>& client,
242                               const char* url,
243                               float curScore) {
244        static const float kOurScore = 0.4;
245        static const char* const FILE_EXTS[] = { ".mid",
246                                                 ".midi",
247                                                 ".smf",
248                                                 ".xmf",
249                                                 ".mxmf",
250                                                 ".imy",
251                                                 ".rtttl",
252                                                 ".rtx",
253                                                 ".ota" };
254        if (kOurScore <= curScore)
255            return 0.0;
256
257        // use MidiFile for MIDI extensions
258        int lenURL = strlen(url);
259        for (int i = 0; i < NELEM(FILE_EXTS); ++i) {
260            int len = strlen(FILE_EXTS[i]);
261            int start = lenURL - len;
262            if (start > 0) {
263                if (!strncasecmp(url + start, FILE_EXTS[i], len)) {
264                    return kOurScore;
265                }
266            }
267        }
268
269        return 0.0;
270    }
271
272    virtual float scoreFactory(const sp<IMediaPlayer>& client,
273                               int fd,
274                               int64_t offset,
275                               int64_t length,
276                               float curScore) {
277        static const float kOurScore = 0.8;
278
279        if (kOurScore <= curScore)
280            return 0.0;
281
282        // Some kind of MIDI?
283        EAS_DATA_HANDLE easdata;
284        if (EAS_Init(&easdata) == EAS_SUCCESS) {
285            EAS_FILE locator;
286            locator.path = NULL;
287            locator.fd = fd;
288            locator.offset = offset;
289            locator.length = length;
290            EAS_HANDLE  eashandle;
291            if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) {
292                EAS_CloseFile(easdata, eashandle);
293                EAS_Shutdown(easdata);
294                return kOurScore;
295            }
296            EAS_Shutdown(easdata);
297        }
298
299        return 0.0;
300    }
301
302    virtual sp<MediaPlayerBase> createPlayer() {
303        ALOGV(" create MidiFile");
304        return new MidiFile();
305    }
306};
307
308class TestPlayerFactory : public MediaPlayerFactory::IFactory {
309  public:
310    virtual float scoreFactory(const sp<IMediaPlayer>& client,
311                               const char* url,
312                               float curScore) {
313        if (TestPlayerStub::canBeUsed(url)) {
314            return 1.0;
315        }
316
317        return 0.0;
318    }
319
320    virtual sp<MediaPlayerBase> createPlayer() {
321        ALOGV("Create Test Player stub");
322        return new TestPlayerStub();
323    }
324};
325
326void MediaPlayerFactory::registerBuiltinFactories() {
327    Mutex::Autolock lock_(&sLock);
328
329    if (sInitComplete)
330        return;
331
332    registerFactory_l(new StagefrightPlayerFactory(), STAGEFRIGHT_PLAYER);
333    registerFactory_l(new NuPlayerFactory(), NU_PLAYER);
334    registerFactory_l(new SonivoxPlayerFactory(), SONIVOX_PLAYER);
335    registerFactory_l(new TestPlayerFactory(), TEST_PLAYER);
336
337    sInitComplete = true;
338}
339
340}  // namespace android
341