slesTest_playStates.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 "slesTest_playStates" 19 20#include <utils/Log.h> 21#include <getopt.h> 22#include <stdlib.h> 23#include <stdio.h> 24#include <string.h> 25#include <unistd.h> 26#include <sys/time.h> 27 28#include "SLES/OpenSLES.h" 29 30 31#define MAX_NUMBER_INTERFACES 3 32#define MAX_NUMBER_OUTPUT_DEVICES 6 33 34#define TEST_MUTE 0 35#define TEST_SOLO 1 36 37static int testMode; 38//----------------------------------------------------------------- 39/* Exits the application if an error is encountered */ 40#define ExitOnError(x) ExitOnErrorFunc(x,__LINE__) 41 42void ExitOnErrorFunc( SLresult result , int line) 43{ 44 if (SL_RESULT_SUCCESS != result) { 45 fprintf(stdout, "%lu error code encountered at line %d, exiting\n", result, line); 46 exit(1); 47 } 48} 49 50 51//----------------------------------------------------------------- 52 53/* Play an audio URIs, mute and solo channels */ 54void TestPlayUri( SLObjectItf sl, const char* path) 55{ 56 SLresult result; 57 SLEngineItf EngineItf; 58 59 /* Objects this application uses: one player and an ouput mix */ 60 SLObjectItf player, outputMix; 61 62 /* Source of audio data to play */ 63 SLDataSource audioSource; 64 SLDataLocator_URI uri; 65 SLDataFormat_MIME mime; 66 67 /* Data sinks for the audio player */ 68 SLDataSink audioSink; 69 SLDataLocator_OutputMix locator_outputmix; 70 71 /* Play, Volume and PrefetchStatus interfaces for the audio player */ 72 SLPlayItf playItf; 73 SLMuteSoloItf muteSoloItf; 74 SLPrefetchStatusItf prefetchItf; 75 76 SLboolean required[MAX_NUMBER_INTERFACES]; 77 SLInterfaceID iidArray[MAX_NUMBER_INTERFACES]; 78 79 /* Get the SL Engine Interface which is implicit */ 80 result = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf); 81 ExitOnError(result); 82 83 /* Initialize arrays required[] and iidArray[] */ 84 for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) { 85 required[i] = SL_BOOLEAN_FALSE; 86 iidArray[i] = SL_IID_NULL; 87 } 88 89 /* ------------------------------------------------------ */ 90 /* Configuration of the output mix */ 91 92 /* Create Output Mix object to be used by the player */ 93 result = (*EngineItf)->CreateOutputMix(EngineItf, &outputMix, 1, iidArray, required); 94 ExitOnError(result); 95 96 /* Realize the Output Mix object in synchronous mode */ 97 result = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE); 98 ExitOnError(result); 99 100 /* Setup the data sink structure */ 101 locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; 102 locator_outputmix.outputMix = outputMix; 103 audioSink.pLocator = (void*)&locator_outputmix; 104 audioSink.pFormat = NULL; 105 106 /* ------------------------------------------------------ */ 107 /* Configuration of the player */ 108 109 /* Set arrays required[] and iidArray[] for SLMuteSoloItf and SLPrefetchStatusItf interfaces */ 110 /* (SLPlayItf is implicit) */ 111 required[0] = SL_BOOLEAN_TRUE; 112 iidArray[0] = SL_IID_MUTESOLO; 113 required[1] = SL_BOOLEAN_TRUE; 114 iidArray[1] = SL_IID_PREFETCHSTATUS; 115 116 /* Setup the data source structure for the URI */ 117 uri.locatorType = SL_DATALOCATOR_URI; 118 uri.URI = (SLchar*) path; 119 mime.formatType = SL_DATAFORMAT_MIME; 120 /* this is how ignored mime information is specified, according to OpenSL ES spec 121 * in 9.1.6 SLDataFormat_MIME and 8.23 SLMetadataTraversalItf GetChildInfo */ 122 mime.mimeType = (SLchar*)NULL; 123 mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED; 124 125 audioSource.pFormat = (void*)&mime; 126 audioSource.pLocator = (void*)&uri; 127 128 /* Create the audio player */ 129 result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink, 1, 130 iidArray, required); 131 ExitOnError(result); 132 133 /* Realize the player in synchronous mode. */ 134 result = (*player)->Realize(player, SL_BOOLEAN_FALSE); ExitOnError(result); 135 fprintf(stdout, "URI example: after Realize\n"); 136 137 /* Get the SLPlayItf, SLPrefetchStatusItf and SLMuteSoloItf interfaces for the player */ 138 result = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf); 139 ExitOnError(result); 140 141 result = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf); 142 ExitOnError(result); 143 144 result = (*player)->GetInterface(player, SL_IID_MUTESOLO, (void*)&muteSoloItf); 145 ExitOnError(result); 146 147 148 fprintf(stdout, "Player configured\n"); 149 150 /* ------------------------------------------------------ */ 151 /* Playback and test */ 152 153 /* Start the data prefetching by setting the player to the paused state */ 154 result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED ); 155 ExitOnError(result); 156 157 /* Wait until there's data to play */ 158 SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW; 159 while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) { 160 usleep(100 * 1000); 161 (*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus); 162 } 163 164 165 /* Testing play states */ 166 /* let it play for 2s */ 167 fprintf(stdout, "----- Playing\n"); 168 result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING ); 169 ExitOnError(result); 170 usleep(2 * 1000 * 1000); 171 172 /* pause for 2s*/ 173 fprintf(stdout, "----- Pausing\n"); 174 result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED ); 175 ExitOnError(result); 176 usleep(2 * 1000 * 1000); 177 178 /* resume */ 179 fprintf(stdout, "----- Playing (should have resumed where it paused)\n"); 180 result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING ); 181 ExitOnError(result); 182 usleep(2 * 1000 * 1000); 183 184 /* Make sure player is stopped */ 185 fprintf(stdout, "----- Stopping playback\n"); 186 result = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED); 187 ExitOnError(result); 188 189destroyKillKill: 190 191 /* Destroy the players */ 192 (*player)->Destroy(player); 193 194 /* Destroy Output Mix object */ 195 (*outputMix)->Destroy(outputMix); 196} 197 198//----------------------------------------------------------------- 199int main(int argc, char* const argv[]) 200{ 201 LOGV("Starting %s\n", argv[0]); 202 203 SLresult result; 204 SLObjectItf sl; 205 206 fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLVolumeItf, SLMuteSoloItf\n", 207 argv[0]); 208 fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n"); 209 fprintf(stdout, "Plays a sound and alternates the muting of the channels (for 5s).\n"); 210 fprintf(stdout, " and then alternates the solo\'ing of the channels (for 5s).\n"); 211 fprintf(stdout, "Stops after 10s\n"); 212 213 if (argc == 1) { 214 fprintf(stdout, "Usage: \t%s url\n", argv[0]); 215 fprintf(stdout, "Example: \"%s /sdcard/my.mp3\"\n", argv[0]); 216 exit(1); 217 } 218 219 SLEngineOption EngineOption[] = { 220 {(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE} 221 }; 222 223 result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL); 224 ExitOnError(result); 225 226 /* Realizing the SL Engine in synchronous mode. */ 227 result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE); 228 ExitOnError(result); 229 230 if (argc > 1) { 231 TestPlayUri(sl, argv[1]); 232 } 233 234 /* Shutdown OpenSL ES */ 235 (*sl)->Destroy(sl); 236 exit(0); 237 238 return 0; 239} 240