1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdlib.h>
18 #include <stdio.h>
19 #include <unistd.h>
20 //#include <sys/time.h>
21
22 #include <SLES/OpenSLES.h>
23
24
25 #define MAX_NUMBER_INTERFACES 2
26 #define MAX_NUMBER_PLAYERS 40
27
28 #define PREFETCHEVENT_ERROR_CANDIDATE \
29 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE)
30
31 /* the OpenSL ES engine from which we create all other resources */
32 SLObjectItf slEngine;
33 SLEngineItf engineItf;
34 SLObjectItf outputMix;
35
36 SLboolean required[MAX_NUMBER_INTERFACES];
37 SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
38
39 SLObjectItf audioPlayer[MAX_NUMBER_PLAYERS];
40 bool validplayer[MAX_NUMBER_PLAYERS];
41 int playerNum[MAX_NUMBER_PLAYERS];
42 SLPlayItf playItfs[MAX_NUMBER_PLAYERS];
43 SLVolumeItf volItfs[MAX_NUMBER_PLAYERS];
44 SLPrefetchStatusItf prefetchItfs[MAX_NUMBER_PLAYERS];
45
46 SLDataSource audioSource;
47 SLDataLocator_URI uri;
48 SLDataFormat_MIME mime;
49
50 SLDataSink audioSink;
51 SLDataLocator_OutputMix locator_outputmix;
52
53
54 //-----------------------------------------------------------------
55 //* Exits the application if an error is encountered */
56 #define CheckErr(x) ExitOnErrorFunc(x, -1, __LINE__)
57 #define CheckErrPlyr(x, id) ExitOnErrorFunc(x, id, __LINE__)
58
ExitOnErrorFunc(SLresult result,int playerId,int line)59 void ExitOnErrorFunc( SLresult result, int playerId, int line)
60 {
61 if (SL_RESULT_SUCCESS != result) {
62 if (playerId == -1) {
63 fprintf(stderr, "Error %u code encountered at line %d, exiting\n", result, line);
64 } else {
65 fprintf(stderr, "Error %u code encountered at line %d for player %d, exiting\n",
66 result, line, playerId);
67 }
68 exit(EXIT_FAILURE);
69 }
70 }
71
72 //-----------------------------------------------------------------
73 /* PrefetchStatusItf callback for an audio player */
PrefetchEventCallback(SLPrefetchStatusItf caller,void * pContext,SLuint32 event)74 void PrefetchEventCallback( SLPrefetchStatusItf caller, void *pContext, SLuint32 event)
75 {
76 SLresult res;
77 SLpermille level = 0;
78 int* pPlayerId = (int*)pContext;
79 res = (*caller)->GetFillLevel(caller, &level); CheckErrPlyr(res, *pPlayerId);
80 SLuint32 status;
81 //fprintf(stdout, "PrefetchEventCallback: received event %u\n", event);
82 res = (*caller)->GetPrefetchStatus(caller, &status); CheckErrPlyr(res, *pPlayerId);
83 if ((PREFETCHEVENT_ERROR_CANDIDATE == (event & PREFETCHEVENT_ERROR_CANDIDATE))
84 && (level == 0) && (status == SL_PREFETCHSTATUS_UNDERFLOW)) {
85 fprintf(stdout, "PrefetchEventCallback: Error while prefetching data for player %d, "
86 "exiting\n", *pPlayerId);
87 exit(EXIT_FAILURE);
88 }
89 if (event & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
90 fprintf(stdout, "PrefetchEventCallback: Buffer fill level is = %d for player %d\n",
91 level, *pPlayerId);
92 }
93 if (event & SL_PREFETCHEVENT_STATUSCHANGE) {
94 fprintf(stdout, "PrefetchEventCallback: Prefetch Status is = %u for player %d\n",
95 status, *pPlayerId);
96 }
97 }
98
99
100 //-----------------------------------------------------------------
101 /* PlayItf callback for playback events */
PlayEventCallback(SLPlayItf caller,void * pContext,SLuint32 event)102 void PlayEventCallback(
103 SLPlayItf caller,
104 void *pContext,
105 SLuint32 event)
106 {
107 SLresult res;
108 int* pPlayerId = (int*)pContext;
109 if (SL_PLAYEVENT_HEADATEND & event) {
110 fprintf(stdout, "SL_PLAYEVENT_HEADATEND reached for player %d\n", *pPlayerId);
111 //SignalEos();
112 }
113
114 if (SL_PLAYEVENT_HEADATNEWPOS & event) {
115 SLmillisecond pMsec = 0;
116 res = (*caller)->GetPosition(caller, &pMsec); CheckErrPlyr(res, *pPlayerId);
117 fprintf(stdout, "SL_PLAYEVENT_HEADATNEWPOS current position=%ums for player %d\n",
118 pMsec, *pPlayerId);
119 }
120
121 if (SL_PLAYEVENT_HEADATMARKER & event) {
122 SLmillisecond pMsec = 0;
123 res = (*caller)->GetPosition(caller, &pMsec); CheckErrPlyr(res, *pPlayerId);
124 fprintf(stdout, "SL_PLAYEVENT_HEADATMARKER current position=%ums for player %d\n",
125 pMsec, *pPlayerId);
126 }
127 }
128
129
130 //-----------------------------------------------------------------
TestSetup(const char * path)131 void TestSetup(const char* path) {
132 SLint32 numOutputs = 0;
133 SLuint32 deviceID = 0;
134 SLresult res;
135
136 /* Create the engine */
137 SLEngineOption EngineOption[] = {
138 {(SLuint32) SL_ENGINEOPTION_THREADSAFE,
139 (SLuint32) SL_BOOLEAN_TRUE}};
140
141 res = slCreateEngine( &slEngine, 1, EngineOption, 0, NULL, NULL);
142 CheckErr(res);
143 /* Realizing the SL Engine in synchronous mode. */
144 res = (*slEngine)->Realize(slEngine, SL_BOOLEAN_FALSE);
145 CheckErr(res);
146 /* Get the SL Engine Interface which is implicit */
147 res = (*slEngine)->GetInterface(slEngine, SL_IID_ENGINE, (void*)&engineItf);
148 CheckErr(res);
149
150 /* Create Output Mix object to be used by player */
151 res = (*engineItf)->CreateOutputMix(engineItf, &outputMix, 0,
152 iidArray, required); CheckErr(res);
153 /* Realizing the Output Mix object in synchronous mode. */
154 res = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE);
155 CheckErr(res);
156
157 /* Setup the data source structure for the URI */
158 // the syntax below is more future-proof than the individual field initialization
159 // with regards to OpenSL ES 1.1 but adds scary compilation warnings
160 //uri = { SL_DATALOCATOR_URI /*locatorType*/, (SLchar*) path /*URI*/ };
161 //mime = { /*formatType*/ SL_DATAFORMAT_MIME, /*mimeType*/ (SLchar*)NULL,
162 // /*containerType*/ SL_CONTAINERTYPE_UNSPECIFIED };
163 uri.locatorType = SL_DATALOCATOR_URI;
164 uri.URI = (SLchar*) path;
165 mime.formatType = SL_DATAFORMAT_MIME;
166 mime.mimeType = (SLchar*)NULL;
167 mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;
168
169 audioSource.pFormat = (void *)&mime;
170 audioSource.pLocator = (void *)&uri;
171
172 /* Setup the data sink structure */
173 locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
174 locator_outputmix.outputMix = outputMix;
175 audioSink.pLocator = (void *)&locator_outputmix;
176 audioSink.pFormat = NULL;
177
178 /* Initialize arrays required[] and iidArray[] */
179 for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
180 required[i] = SL_BOOLEAN_FALSE;
181 iidArray[i] = SL_IID_NULL;
182 }
183 /* Set arrays required[] and iidArray[] for VOLUME and PREFETCHSTATUS interface */
184 required[0] = SL_BOOLEAN_TRUE;
185 iidArray[0] = SL_IID_VOLUME;
186 required[1] = SL_BOOLEAN_TRUE;
187 iidArray[1] = SL_IID_PREFETCHSTATUS;
188
189 fprintf(stdout, "TestSetup(%s) completed\n", path);
190 }
191
192
193 //-----------------------------------------------------------------
TestTeardown()194 void TestTeardown() {
195 /* Destroy Output Mix object */
196 (*outputMix)->Destroy(outputMix);
197
198 /* Shutdown OpenSL ES */
199 (*slEngine)->Destroy(slEngine);
200 }
201
202
203 //-----------------------------------------------------------------
204 /**
205 * Create a player and, if the creation is successful,
206 * configure it, and start playing.
207 */
CreatePlayer(int playerId)208 void CreatePlayer(int playerId) {
209 SLresult res;
210 playerNum[playerId] = playerId;
211
212 /* Create the audio player */
213 res = (*engineItf)->CreateAudioPlayer(engineItf, &audioPlayer[playerId],
214 &audioSource, &audioSink, MAX_NUMBER_INTERFACES, iidArray, required);
215 if (SL_RESULT_SUCCESS != res) {
216 // do not abort the test, just flag the player as not a candidate for destruction
217 fprintf(stdout, "CreateAudioPlayer for player %d failed\n", playerId);
218 validplayer[playerId] = false;
219 return;
220 }
221 validplayer[playerId] = true;
222
223 /* Realizing the player in synchronous mode. */
224 res = (*audioPlayer[playerId])->Realize(audioPlayer[playerId], SL_BOOLEAN_FALSE);
225 if (SL_RESULT_SUCCESS != res) {
226 // do not abort the test, just stop the player initialization here
227 fprintf(stdout, "Realize for player %d failed\n", playerId);
228 // this player is still a candidate for destruction
229 return;
230 }
231 // after this point, any failure is a test failure
232
233 /* Get interfaces */
234 res = (*audioPlayer[playerId])->GetInterface(audioPlayer[playerId], SL_IID_PLAY,
235 (void*)&playItfs[playerId]);
236 CheckErrPlyr(res, playerId);
237
238 res = (*audioPlayer[playerId])->GetInterface(audioPlayer[playerId], SL_IID_VOLUME,
239 (void*)&volItfs[playerId]);
240 CheckErrPlyr(res, playerId);
241
242 res = (*audioPlayer[playerId])->GetInterface(audioPlayer[playerId], SL_IID_PREFETCHSTATUS,
243 (void*)&prefetchItfs[playerId]);
244 CheckErrPlyr(res, playerId);
245 res = (*prefetchItfs[playerId])->RegisterCallback(prefetchItfs[playerId], PrefetchEventCallback,
246 &playerNum[playerId]);
247 CheckErrPlyr(res, playerId);
248 res = (*prefetchItfs[playerId])->SetCallbackEventsMask(prefetchItfs[playerId],
249 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
250 CheckErrPlyr(res, playerId);
251
252 /* Set the player volume */
253 res = (*volItfs[playerId])->SetVolumeLevel( volItfs[playerId], -300);
254 CheckErrPlyr(res, playerId);
255
256 /* Set up the player callback to get events during the decoding */
257 res = (*playItfs[playerId])->SetMarkerPosition(playItfs[playerId], 2000);
258 CheckErrPlyr(res, playerId);
259 res = (*playItfs[playerId])->SetPositionUpdatePeriod(playItfs[playerId], 500);
260 CheckErrPlyr(res, playerId);
261 res = (*playItfs[playerId])->SetCallbackEventsMask(playItfs[playerId],
262 SL_PLAYEVENT_HEADATMARKER | SL_PLAYEVENT_HEADATNEWPOS | SL_PLAYEVENT_HEADATEND);
263 CheckErrPlyr(res, playerId);
264 res = (*playItfs[playerId])->RegisterCallback(playItfs[playerId], PlayEventCallback,
265 &playerNum[playerId]);
266 CheckErrPlyr(res, playerId);
267
268 /* Configure fill level updates every 5 percent */
269 (*prefetchItfs[playerId])->SetFillUpdatePeriod(prefetchItfs[playerId], 50);
270
271 /* Play the URI */
272 /* first cause the player to prefetch the data */
273 fprintf(stdout, "Setting player %d to PAUSED\n", playerId);
274 res = (*playItfs[playerId])->SetPlayState( playItfs[playerId], SL_PLAYSTATE_PAUSED );
275 CheckErrPlyr(res, playerId);
276 /* wait until there's data to play */
277 SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
278 SLuint32 timeOutIndex = 10; // 1s, should be enough for a local file
279 while ((prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) && (timeOutIndex > 0)) {
280 usleep(100 * 1000);
281 res = (*prefetchItfs[playerId])->GetPrefetchStatus(prefetchItfs[playerId], &prefetchStatus);
282 CheckErrPlyr(res, playerId);
283 timeOutIndex--;
284 }
285
286 if (timeOutIndex == 0) {
287 fprintf(stderr, "Prefetch timed out for player %d\n", playerId);
288 return;
289 }
290 res = (*playItfs[playerId])->SetPlayState( playItfs[playerId], SL_PLAYSTATE_PLAYING );
291 CheckErrPlyr(res, playerId);
292
293 /* Display duration */
294 SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
295 res = (*playItfs[playerId])->GetDuration(playItfs[playerId], &durationInMsec);
296 CheckErrPlyr(res, playerId);
297 if (durationInMsec == SL_TIME_UNKNOWN) {
298 fprintf(stdout, "Content duration is unknown for player %d\n", playerId);
299 } else {
300 fprintf(stdout, "Content duration is %u ms for player %d\n", durationInMsec, playerId);
301 }
302 }
303
304 //-----------------------------------------------------------------
DestroyPlayer(int playerId)305 void DestroyPlayer(int playerId) {
306 fprintf(stdout, "About to destroy player %d\n", playerId);
307 /* Destroy the player */
308 (*audioPlayer[playerId])->Destroy(audioPlayer[playerId]);
309 }
310
311
312 //-----------------------------------------------------------------
main(int argc,char * const argv[])313 int main(int argc, char* const argv[])
314 {
315 fprintf(stdout, "OpenSL ES test %s: creates and destroys as many ", argv[0]);
316 fprintf(stdout, "AudioPlayer objects as possible (max=%d)\n\n", MAX_NUMBER_PLAYERS);
317
318 if (argc == 1) {
319 fprintf(stdout, "Usage: %s path \n\t%s url\n", argv[0], argv[0]);
320 fprintf(stdout, "Example: \"%s /sdcard/my.mp3\" or \"%s file:///sdcard/my.mp3\"\n",
321 argv[0], argv[0]);
322 exit(EXIT_FAILURE);
323 }
324
325 TestSetup(argv[1]);
326
327 for (int i=0 ; i<MAX_NUMBER_PLAYERS ; i++) {
328 CreatePlayer(i);
329 }
330 fprintf(stdout, "After creating %d AudioPlayers\n", MAX_NUMBER_PLAYERS);
331
332 /* Wait for an arbitrary amount of time. if playing a long file, the players will still
333 be playing while the destructions start. */
334 usleep(10*1000*1000); // 10s
335
336 for (int i=0 ; i<MAX_NUMBER_PLAYERS ; i++) {
337 if (validplayer[i]) {
338 DestroyPlayer(i);
339 }
340 }
341 fprintf(stdout, "After destroying valid players among %d AudioPlayers\n", MAX_NUMBER_PLAYERS);
342
343 TestTeardown();
344
345 return EXIT_SUCCESS;
346 }
347