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 */
32SLObjectItf  slEngine;
33SLEngineItf  engineItf;
34SLObjectItf  outputMix;
35
36SLboolean     required[MAX_NUMBER_INTERFACES];
37SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
38
39SLObjectItf  audioPlayer[MAX_NUMBER_PLAYERS];
40bool         validplayer[MAX_NUMBER_PLAYERS];
41int          playerNum[MAX_NUMBER_PLAYERS];
42SLPlayItf    playItfs[MAX_NUMBER_PLAYERS];
43SLVolumeItf  volItfs[MAX_NUMBER_PLAYERS];
44SLPrefetchStatusItf prefetchItfs[MAX_NUMBER_PLAYERS];
45
46SLDataSource      audioSource;
47SLDataLocator_URI uri;
48SLDataFormat_MIME mime;
49
50SLDataSink              audioSink;
51SLDataLocator_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
59void 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 */
74void 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 */
102void 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//-----------------------------------------------------------------
131void 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//-----------------------------------------------------------------
194void 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 */
208void 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//-----------------------------------------------------------------
305void 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//-----------------------------------------------------------------
313int 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