slesTestPlayUri2.cpp revision ee21d26b4b66d0f19b826685b3070497523994d5 
1/*
2 * Copyright (C) 2010 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#define LOG_NDEBUG 0
18#define LOG_TAG "slesTestPlayUri"
19
20#ifdef ANDROID
21#include <utils/Log.h>
22#else
23#define LOGV printf
24#endif
25
26#include <getopt.h>
27#include <stdlib.h>
28#include <stdio.h>
29#include <string.h>
30#include <unistd.h>
31#include <sys/time.h>
32
33#include "SLES/OpenSLES.h"
34
35
36#define MAX_NUMBER_INTERFACES 3
37#define MAX_NUMBER_OUTPUT_DEVICES 6
38
39
40//-----------------------------------------------------------------
41/* Exits the application if an error is encountered */
42void ExitOnError( SLresult result )
43{
44    if (SL_RESULT_SUCCESS != result) {
45        fprintf(stdout, "%lu error code encountered, exiting\n", result);
46        exit(1);
47    }
48}
49
50//-----------------------------------------------------------------
51/* PlayItf callback for an audio player */
52void PlayEventCallback( SLPlayItf caller,  void *pContext, SLuint32 event)
53{
54    fprintf(stdout, "PlayEventCallback event = ");
55    if (event & SL_PLAYEVENT_HEADATEND) {
56        fprintf(stdout, "SL_PLAYEVENT_HEADATEND ");
57    }
58    if (event & SL_PLAYEVENT_HEADATMARKER) {
59        fprintf(stdout, "SL_PLAYEVENT_HEADATMARKER ");
60    }
61    if (event & SL_PLAYEVENT_HEADATNEWPOS) {
62        fprintf(stdout, "SL_PLAYEVENT_HEADATNEWPOS ");
63    }
64    if (event & SL_PLAYEVENT_HEADMOVING) {
65        fprintf(stdout, "SL_PLAYEVENT_HEADMOVING ");
66    }
67    if (event & SL_PLAYEVENT_HEADSTALLED) {
68        fprintf(stdout, "SL_PLAYEVENT_HEADSTALLED");
69    }
70    fprintf(stdout, "\n");
71}
72
73//-----------------------------------------------------------------
74
75/* Play two audio URIs, pan them left and right  */
76void TestPlayUri( SLObjectItf sl, const char* path, const char* path2)
77{
78    SLresult  result;
79    SLEngineItf EngineItf;
80
81    /* Objects this application uses: two players and an ouput mix */
82    SLObjectItf  player, player2, outputMix;
83
84    /* Source of audio data to play, we'll reuse the same source for two different players */
85    SLDataSource      audioSource;
86    SLDataLocator_URI uri;
87    SLDataFormat_MIME mime;
88
89    /* Data sinks for the two audio players */
90    SLDataSink               audioSink;
91    SLDataLocator_OutputMix  locator_outputmix;
92
93    /* Play, Volume and PrefetchStatus interfaces for the audio players */
94    SLPlayItf           playItf, playItf2;
95    SLVolumeItf         volItf, volItf2;
96    SLPrefetchStatusItf prefetchItf, prefetchItf2;
97
98    SLboolean required[MAX_NUMBER_INTERFACES];
99    SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
100
101    /* Get the SL Engine Interface which is implicit */
102    result = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf);
103    ExitOnError(result);
104
105    /* Initialize arrays required[] and iidArray[] */
106    for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
107        required[i] = SL_BOOLEAN_FALSE;
108        iidArray[i] = SL_IID_NULL;
109    }
110    /* Set arrays required[] and iidArray[] for SLVolumeItf and SLPrefetchStatusItf interfaces */
111    /*  (SLPlayItf is implicit) */
112    required[0] = SL_BOOLEAN_TRUE;
113    iidArray[0] = SL_IID_VOLUME;
114    required[1] = SL_BOOLEAN_TRUE;
115    iidArray[1] = SL_IID_PREFETCHSTATUS;
116
117    /* ------------------------------------------------------ */
118    /* Configuration of the output mix  */
119
120    /* Create Output Mix object to be used each player */
121     result = (*EngineItf)->CreateOutputMix(EngineItf, &outputMix, 1, iidArray, required);
122     ExitOnError(result);
123
124    /* Realize the Output Mix object in synchronous mode */
125    result = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE);
126    ExitOnError(result);
127
128    /* Setup the data sink structure */
129    locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
130    locator_outputmix.outputMix   = outputMix;
131    audioSink.pLocator            = (void *)&locator_outputmix;
132    audioSink.pFormat             = NULL;
133
134    /* ------------------------------------------------------ */
135    /* Configuration of the players  */
136
137    /* Setup the data source structure for the first URI */
138    uri.locatorType = SL_DATALOCATOR_URI;
139    uri.URI         =  (SLchar*) path;
140    mime.formatType    = SL_DATAFORMAT_MIME;
141    /*     this is how ignored mime information is specified, according to OpenSL ES spec
142     *     in 9.1.6 SLDataFormat_MIME and 8.23 SLMetadataTraversalItf GetChildInfo */
143    mime.mimeType      = (SLchar*)NULL;
144    mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;
145
146    audioSource.pFormat      = (void *)&mime;
147    audioSource.pLocator     = (void *)&uri;
148
149    /* Create the first audio player */
150    result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink, 2,
151            iidArray, required);
152    ExitOnError(result);
153
154    /* Create the second audio player with a different path for its data source */
155    uri.URI =  (SLchar*) path2;
156    audioSource.pLocator = (void *)&uri;
157    result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player2, &audioSource, &audioSink, 2,
158            iidArray, required);
159    ExitOnError(result);
160
161    /* Realize the players in synchronous mode. */
162    result = (*player)->Realize(player, SL_BOOLEAN_FALSE); ExitOnError(result);
163    result = (*player)->Realize(player2, SL_BOOLEAN_FALSE); ExitOnError(result);
164    //fprintf(stdout, "URI example: after Realize\n");
165
166    /* Get the SLPlayItf, SLVolumeItf and SLPrefetchStatusItf interfaces for each player */
167    result = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf);
168    ExitOnError(result);
169    result = (*player)->GetInterface(player2, SL_IID_PLAY, (void*)&playItf2);
170    ExitOnError(result);
171
172    result = (*player)->GetInterface(player, SL_IID_VOLUME, (void*)&volItf);
173    ExitOnError(result);
174    result = (*player2)->GetInterface(player2, SL_IID_VOLUME, (void*)&volItf2);
175    ExitOnError(result);
176
177    result = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf);
178    ExitOnError(result);
179    result = (*player2)->GetInterface(player2, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf2);
180    ExitOnError(result);
181
182    /*  Setup to receive playback events */
183    result = (*playItf)->RegisterCallback(playItf, PlayEventCallback, &playItf);
184    ExitOnError(result);
185    result = (*playItf)->SetCallbackEventsMask(playItf,
186            SL_PLAYEVENT_HEADATEND| SL_PLAYEVENT_HEADATMARKER | SL_PLAYEVENT_HEADATNEWPOS
187            | SL_PLAYEVENT_HEADMOVING | SL_PLAYEVENT_HEADSTALLED);
188    ExitOnError(result);
189
190    /* Set the player volume */
191    result = (*volItf)->SetVolumeLevel( volItf, -300);
192    ExitOnError(result);
193    /* Pan the first player to the left */
194    result = (*volItf)->EnableStereoPosition( volItf, SL_BOOLEAN_TRUE); ExitOnError(result);
195    result = (*volItf)->SetStereoPosition( volItf, -1000); ExitOnError(result);
196    /* Pan the second player to the right */
197    result = (*volItf2)->EnableStereoPosition( volItf2, SL_BOOLEAN_TRUE); ExitOnError(result);
198    result = (*volItf2)->SetStereoPosition( volItf2, 1000); ExitOnError(result);
199
200    /* ------------------------------------------------------ */
201    /* Playback */
202
203    /* Start the data prefetching by setting the players to the paused state */
204    result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED );
205    ExitOnError(result);
206    result = (*playItf2)->SetPlayState( playItf2, SL_PLAYSTATE_PAUSED );
207    ExitOnError(result);
208
209    /*     wait until there's data to play */
210    SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
211    while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) {
212        usleep(100 * 1000);
213        (*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus);
214    }
215    prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
216    while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) {
217        usleep(100 * 1000);
218        (*prefetchItf2)->GetPrefetchStatus(prefetchItf2, &prefetchStatus);
219    }
220
221    result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING );
222    ExitOnError(result);
223
224    /* Wait 2s before starting the second player */
225    usleep(2000 * 1000);
226    fprintf(stdout, "URI example: starting to play %s\n", path2);
227    result = (*playItf2)->SetPlayState( playItf2, SL_PLAYSTATE_PLAYING );
228    ExitOnError(result);
229
230    /* Display duration */
231    SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
232    result = (*playItf)->GetDuration(playItf, &durationInMsec);
233    ExitOnError(result);
234    if (durationInMsec == SL_TIME_UNKNOWN) {
235        fprintf(stdout, "Content duration of first URI is unknown\n");
236    } else {
237        fprintf(stdout, "Content duration of first URI is %lu ms\n", durationInMsec);
238    }
239
240    /* Wait as long as the duration of the first URI + 2s before stopping */
241    if (durationInMsec == SL_TIME_UNKNOWN) {
242        durationInMsec = 5000; /* arbitrary time when duration is unknown */
243    }
244    usleep((durationInMsec + 2000) * 1000);
245
246    /* Make sure player is stopped */
247    fprintf(stdout, "URI example: stopping playback\n");
248    result = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
249    ExitOnError(result);
250    result = (*playItf2)->SetPlayState(playItf2, SL_PLAYSTATE_STOPPED);
251    ExitOnError(result);
252
253    /* Destroy the players */
254    (*player)->Destroy(player);
255    (*player2)->Destroy(player2);
256
257    /* Destroy Output Mix object */
258    (*outputMix)->Destroy(outputMix);
259}
260
261//-----------------------------------------------------------------
262int main(int argc, char* const argv[])
263{
264    LOGV("Starting %s\n", argv[0]);
265
266    SLresult    result;
267    SLObjectItf sl;
268
269    fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLVolumeItf (incl. stereo position) ",
270            argv[0]);
271    fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n");
272    fprintf(stdout, "Plays two sounds (or twice the same) and pans them left and right.");
273    fprintf(stdout, "Stops after the end of the first + 2s\n");
274
275    if (argc == 1) {
276        fprintf(stdout, "Usage: \n\t%s url1 url2 \n\t%s url\n", argv[0], argv[0]);
277        fprintf(stdout, "Example: \"%s /sdcard/my.mp3 http://blabla/my.wav\" ", argv[0]);
278        fprintf(stdout, "or \"%s file:///sdcard/my.mp3\"\n", argv[0]);
279        exit(1);
280    }
281
282    SLEngineOption EngineOption[] = {
283            {(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE}
284    };
285
286    result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL);
287    ExitOnError(result);
288
289    /* Realizing the SL Engine in synchronous mode. */
290    result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
291    ExitOnError(result);
292
293    if (argc == 2) {
294        TestPlayUri(sl, argv[1], argv[1]);
295    } else if (argc == 3) {
296        TestPlayUri(sl, argv[1], argv[2]);
297    }
298
299    /* Shutdown OpenSL ES */
300    (*sl)->Destroy(sl);
301    exit(0);
302
303    return 0;
304}
305