slesTestPlayStreamType.cpp revision 01e9f5fa4698856f92bcfd88188ee4c8397b22db 
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#ifdef ANDROID
18#define LOG_NDEBUG 0
19#define LOG_TAG "slesTest_playStreamType"
20
21#include <utils/Log.h>
22#else
23#define LOGV printf
24#endif
25#include <getopt.h>
26#include <stdlib.h>
27#include <stdio.h>
28#include <string.h>
29#include <unistd.h>
30#include <sys/time.h>
31
32#include "SLES/OpenSLES.h"
33#ifdef ANDROID
34#include "SLES/OpenSLES_Android.h"
35#include "SLES/OpenSLES_AndroidConfiguration.h"
36#endif
37
38
39#define MAX_NUMBER_INTERFACES 2
40
41
42//-----------------------------------------------------------------
43/* Exits the application if an error is encountered */
44#define ExitOnError(x) ExitOnErrorFunc(x,__LINE__)
45
46void ExitOnErrorFunc( SLresult result , int line)
47{
48    if (SL_RESULT_SUCCESS != result) {
49        fprintf(stdout, "%lu error code encountered at line %d, exiting\n", result, line);
50        exit(1);
51    }
52}
53
54
55//-----------------------------------------------------------------
56
57/* Play an audio URIs on the given stream type  */
58void TestStreamTypeConfiguration( SLObjectItf sl, const char* path, const SLint32 type)
59{
60    SLresult  result;
61    SLEngineItf EngineItf;
62
63    /* Objects this application uses: one player and an ouput mix */
64    SLObjectItf  player, outputMix;
65
66    /* Source of audio data to play */
67    SLDataSource      audioSource;
68    SLDataLocator_URI uri;
69    SLDataFormat_MIME mime;
70
71    /* Data sinks for the audio player */
72    SLDataSink               audioSink;
73    SLDataLocator_OutputMix  locator_outputmix;
74
75    /* Play, Volume and AndroidStreamType interfaces for the audio player */
76    SLPlayItf              playItf;
77    SLPrefetchStatusItf    prefetchItf;
78#ifdef ANDROID
79    SLAndroidConfigurationItf configItf;
80#endif
81
82    SLboolean required[MAX_NUMBER_INTERFACES];
83    SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
84
85    /* Get the SL Engine Interface which is implicit */
86    result = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf);
87    ExitOnError(result);
88
89    /* Initialize arrays required[] and iidArray[] */
90    for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
91        required[i] = SL_BOOLEAN_FALSE;
92        iidArray[i] = SL_IID_NULL;
93    }
94
95    /* ------------------------------------------------------ */
96    /* Configuration of the output mix  */
97
98    /* Create Output Mix object to be used by the player */
99     result = (*EngineItf)->CreateOutputMix(EngineItf, &outputMix, 1, iidArray, required);
100     ExitOnError(result);
101
102    /* Realize the Output Mix object in synchronous mode */
103    result = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE);
104    ExitOnError(result);
105
106    /* Setup the data sink structure */
107    locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
108    locator_outputmix.outputMix   = outputMix;
109    audioSink.pLocator            = (void*)&locator_outputmix;
110    audioSink.pFormat             = NULL;
111
112    /* ------------------------------------------------------ */
113    /* Configuration of the player  */
114
115    /* Set arrays required[] and iidArray[] for SLAndroidConfigurationItf interfaces */
116    /*  (SLPlayItf is implicit) */
117    required[0] = SL_BOOLEAN_TRUE;
118    iidArray[0] = SL_IID_PREFETCHSTATUS;
119    required[1] = SL_BOOLEAN_TRUE;
120    iidArray[1] = SL_IID_ANDROIDCONFIGURATION;
121
122
123    /* Setup the data source structure for the URI */
124    uri.locatorType = SL_DATALOCATOR_URI;
125    uri.URI         =  (SLchar*) path;
126    mime.formatType = SL_DATAFORMAT_MIME;
127    /*     this is how ignored mime information is specified, according to OpenSL ES spec
128     *     in 9.1.6 SLDataFormat_MIME and 8.23 SLMetadataTraversalItf GetChildInfo */
129    mime.mimeType      = (SLchar*)NULL;
130    mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;
131
132    audioSource.pFormat  = (void*)&mime;
133    audioSource.pLocator = (void*)&uri;
134
135    /* Create the audio player */
136    result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink,
137            MAX_NUMBER_INTERFACES, iidArray, required);
138    ExitOnError(result);
139
140    /* Retrieve the configuration interface before the player is realized so its resources
141     * can be configured.
142     */
143#ifdef ANDROID
144    result = (*player)->GetInterface(player, SL_IID_ANDROIDCONFIGURATION, (void*)&configItf);
145    ExitOnError(result);
146
147    /* Set the Android audio stream type on the player */
148    result = (*configItf)->SetConfiguration(configItf,
149            SL_ANDROID_KEY_STREAM_TYPE, &type, sizeof(SLint32));
150    ExitOnError(result);
151#endif
152
153    /* Realize the player in synchronous mode. */
154    result = (*player)->Realize(player, SL_BOOLEAN_FALSE); ExitOnError(result);
155    fprintf(stdout, "URI example: after Realize\n");
156
157    /* Get the SLPlayItf, SLPrefetchStatusItf and SLAndroidConfigurationItf interfaces for player */
158    result = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf);
159    ExitOnError(result);
160
161    result = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf);
162    ExitOnError(result);
163
164    fprintf(stdout, "Player configured\n");
165
166    /* ------------------------------------------------------ */
167    /* Playback and test */
168
169    /* Start the data prefetching by setting the player to the paused state */
170    result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED );
171    ExitOnError(result);
172
173    /* Wait until there's data to play */
174    SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
175    while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) {
176        usleep(100 * 1000);
177        (*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus);
178        ExitOnError(result);
179    }
180
181    /* Get duration */
182    SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
183    result = (*playItf)->GetDuration(playItf, &durationInMsec);
184    ExitOnError(result);
185    if (durationInMsec == SL_TIME_UNKNOWN) {
186        durationInMsec = 5000;
187    }
188
189    /* Start playback */
190    result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING );
191    ExitOnError(result);
192
193    usleep((durationInMsec/2) * 1000);
194
195#ifdef ANDROID
196    /* Get the stream type during playback  */
197    SLint32 currentType = -1;
198    SLuint32 valueSize = sizeof(SLint32) * 2; // trying too big on purpose
199    result = (*configItf)->GetConfiguration(configItf,
200            SL_ANDROID_KEY_STREAM_TYPE, &valueSize, NULL);
201    ExitOnError(result);
202    if (valueSize != sizeof(SLint32)) {
203        fprintf(stderr, "ERROR: size for stream type is %lu, should be %u\n",
204                valueSize, sizeof(SLint32));
205    }
206    result = (*configItf)->GetConfiguration(configItf,
207                SL_ANDROID_KEY_STREAM_TYPE, &valueSize, &currentType);
208    ExitOnError(result);
209    if (currentType != type) {
210        fprintf(stderr, "ERROR: stream type is %lu, should be %lu\n", currentType, type);
211    }
212#endif
213
214    usleep((durationInMsec/2) * 1000);
215
216    /* Make sure player is stopped */
217    fprintf(stdout, "Stopping playback\n");
218    result = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
219    ExitOnError(result);
220
221#ifdef ANDROID
222    /* Try again to get the stream type, just in case it changed behind our back */
223    result = (*configItf)->GetConfiguration(configItf,
224            SL_ANDROID_KEY_STREAM_TYPE, &valueSize, &currentType);
225    ExitOnError(result);
226    if (currentType != type) {
227        fprintf(stderr, "ERROR: stream type is %lu, should be %lu\n", currentType, type);
228    }
229#endif
230
231    /* Destroy the player */
232    (*player)->Destroy(player);
233
234    /* Destroy Output Mix object */
235    (*outputMix)->Destroy(outputMix);
236}
237
238//-----------------------------------------------------------------
239int main(int argc, char* const argv[])
240{
241    LOGV("Starting %s\n", argv[0]);
242
243    SLresult    result;
244    SLObjectItf sl;
245
246    fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLAndroidConfigurationItf\n",
247            argv[0]);
248    fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n");
249    fprintf(stdout, "Plays a sound on the specified android stream type\n");
250
251    if (argc < 3) {
252        fprintf(stdout, "Usage: \t%s url stream_type\n", argv[0]);
253        fprintf(stdout, " where stream_type is one of the SL_ANDROID_STREAM_ constants.\n");
254        fprintf(stdout, "Example: \"%s /sdcard/my.mp3 3\" \n", argv[0]);
255        exit(1);
256    }
257
258    SLEngineOption EngineOption[] = {
259            {(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE}
260    };
261
262    result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL);
263    ExitOnError(result);
264
265    /* Realizing the SL Engine in synchronous mode. */
266    result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
267    ExitOnError(result);
268
269    TestStreamTypeConfiguration(sl, argv[1], (SLint32)atoi(argv[2]));
270
271    /* Shutdown OpenSL ES */
272    (*sl)->Destroy(sl);
273    exit(0);
274
275    return 0;
276}
277