slesTest_playMuteSolo.cpp revision 8c065779232fdd89abace68d2fc7bea786a010d7
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_playMuteSolo" 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 38#define TEST_MUTE 0 39#define TEST_SOLO 1 40 41typedef struct { 42 int testMode; 43 SLPlayItf playItf; 44 SLMuteSoloItf muteSoloItf; 45} Context; 46 47//----------------------------------------------------------------- 48/* Exits the application if an error is encountered */ 49#define ExitOnError(x) ExitOnErrorFunc(x,__LINE__) 50 51void ExitOnErrorFunc( SLresult result , int line) 52{ 53 if (SL_RESULT_SUCCESS != result) { 54 fprintf(stdout, "%lu error code encountered at line %d, exiting\n", result, line); 55 exit(1); 56 } 57} 58 59//----------------------------------------------------------------- 60/* PlayItf callback for an audio player, will be called for every SL_PLAYEVENT_HEADATNEWPOS event */ 61void PlayEventCallback( SLPlayItf caller, void *pContext, SLuint32 event) 62{ 63 Context *context = (Context *) pContext; 64 SLPlayItf playItf = context->playItf; 65 SLMuteSoloItf muteSolo = context->muteSoloItf; 66 SLuint8 numChannels = 0; 67 SLresult res = (*muteSolo)->GetNumChannels(muteSolo, &numChannels); ExitOnError(res); 68 //fprintf(stdout, "Content has %d channel(s)\n", numChannels); 69 SLmillisecond position; 70 res = (*playItf)->GetPosition(playItf, &position); ExitOnError(res); 71 printf("position=%u\n", (unsigned) position); 72 73 switch (context->testMode) { 74 case TEST_MUTE: { 75 //--------------------------------------------------- 76 if (numChannels > 1) { // SLMuteSoloItf only works if more than one channel 77 SLboolean leftMuted = SL_BOOLEAN_TRUE; 78 res = (*muteSolo)->GetChannelMute(muteSolo, 0, &leftMuted); ExitOnError(res); 79 // swap channel mute 80 res = (*muteSolo)->SetChannelMute(muteSolo, 0, 81 leftMuted == SL_BOOLEAN_TRUE ? SL_BOOLEAN_FALSE : SL_BOOLEAN_TRUE); 82 ExitOnError(res); 83 res = (*muteSolo)->SetChannelMute(muteSolo, 1, 84 leftMuted == SL_BOOLEAN_TRUE ? SL_BOOLEAN_TRUE : SL_BOOLEAN_FALSE); 85 ExitOnError(res); 86 if (leftMuted == SL_BOOLEAN_TRUE) { // we've swapped the channel mute above 87 fprintf(stdout, "channel 0: playing, channel 1: muted\n"); 88 } else { 89 fprintf(stdout, "channel 0: muted, channel 1: playing\n"); 90 } 91 } 92 } break; 93 94 case TEST_SOLO: { 95 //--------------------------------------------------- 96 if (numChannels > 1) { // SLMuteSoloItf only works if more than one channel 97 SLboolean leftSoloed = SL_BOOLEAN_TRUE; 98 res = (*muteSolo)->GetChannelSolo(muteSolo, 0, &leftSoloed); ExitOnError(res); 99 // swap channel solo 100 res = (*muteSolo)->SetChannelSolo(muteSolo, 0, 101 leftSoloed == SL_BOOLEAN_TRUE ? SL_BOOLEAN_FALSE : SL_BOOLEAN_TRUE); 102 ExitOnError(res); 103 res = (*muteSolo)->SetChannelSolo(muteSolo, 1, 104 leftSoloed == SL_BOOLEAN_TRUE ? SL_BOOLEAN_TRUE : SL_BOOLEAN_FALSE); 105 ExitOnError(res); 106 if (leftSoloed == SL_BOOLEAN_TRUE) { // we've swapped the channel solo above 107 fprintf(stdout, "channel 0: normal, channel 1: soloed\n"); 108 } else { 109 fprintf(stdout, "channel 0: soloed, channel 1: normal\n"); 110 } 111 } 112 } break; 113 114 default: 115 break; 116 } 117} 118 119//----------------------------------------------------------------- 120 121/* Play an audio URIs, mute and solo channels */ 122void TestPlayUri( SLObjectItf sl, const char* path) 123{ 124 SLresult result; 125 SLEngineItf EngineItf; 126 127 /* Objects this application uses: one player and an ouput mix */ 128 SLObjectItf player, outputMix; 129 130 /* Source of audio data to play */ 131 SLDataSource audioSource; 132 SLDataLocator_URI uri; 133 SLDataFormat_MIME mime; 134 135 /* Data sinks for the audio player */ 136 SLDataSink audioSink; 137 SLDataLocator_OutputMix locator_outputmix; 138 139 /* Play, Volume and PrefetchStatus interfaces for the audio player */ 140 SLPlayItf playItf; 141 SLMuteSoloItf muteSoloItf; 142 SLPrefetchStatusItf prefetchItf; 143 144 SLboolean required[MAX_NUMBER_INTERFACES]; 145 SLInterfaceID iidArray[MAX_NUMBER_INTERFACES]; 146 147 /* Get the SL Engine Interface which is implicit */ 148 result = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf); 149 ExitOnError(result); 150 151 /* Initialize arrays required[] and iidArray[] */ 152 for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) { 153 required[i] = SL_BOOLEAN_FALSE; 154 iidArray[i] = SL_IID_NULL; 155 } 156 157 /* ------------------------------------------------------ */ 158 /* Configuration of the output mix */ 159 160 /* Create Output Mix object to be used by the player */ 161 result = (*EngineItf)->CreateOutputMix(EngineItf, &outputMix, 1, iidArray, required); 162 ExitOnError(result); 163 164 /* Realize the Output Mix object in synchronous mode */ 165 result = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE); 166 ExitOnError(result); 167 168 /* Setup the data sink structure */ 169 locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; 170 locator_outputmix.outputMix = outputMix; 171 audioSink.pLocator = (void*)&locator_outputmix; 172 audioSink.pFormat = NULL; 173 174 /* ------------------------------------------------------ */ 175 /* Configuration of the player */ 176 177 /* Set arrays required[] and iidArray[] for SLMuteSoloItf and SLPrefetchStatusItf interfaces */ 178 /* (SLPlayItf is implicit) */ 179 required[0] = SL_BOOLEAN_TRUE; 180 iidArray[0] = SL_IID_MUTESOLO; 181 required[1] = SL_BOOLEAN_TRUE; 182 iidArray[1] = SL_IID_PREFETCHSTATUS; 183 184 /* Setup the data source structure for the URI */ 185 uri.locatorType = SL_DATALOCATOR_URI; 186 uri.URI = (SLchar*) path; 187 mime.formatType = SL_DATAFORMAT_MIME; 188 /* this is how ignored mime information is specified, according to OpenSL ES spec 189 * in 9.1.6 SLDataFormat_MIME and 8.23 SLMetadataTraversalItf GetChildInfo */ 190 mime.mimeType = (SLchar*)NULL; 191 mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED; 192 193 audioSource.pFormat = (void*)&mime; 194 audioSource.pLocator = (void*)&uri; 195 196 /* Create the audio player */ 197 result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink, 2, 198 iidArray, required); 199 ExitOnError(result); 200 201 /* Realize the player in synchronous mode. */ 202 result = (*player)->Realize(player, SL_BOOLEAN_FALSE); ExitOnError(result); 203 fprintf(stdout, "URI example: after Realize\n"); 204 205 /* Get the SLPlayItf, SLPrefetchStatusItf and SLMuteSoloItf interfaces for the player */ 206 result = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf); 207 ExitOnError(result); 208 209 result = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf); 210 ExitOnError(result); 211 212 result = (*player)->GetInterface(player, SL_IID_MUTESOLO, (void*)&muteSoloItf); 213 ExitOnError(result); 214 215 /* Initialize a context for use by the callback */ 216 Context context; 217 context.playItf = playItf; 218 context.muteSoloItf = muteSoloItf; 219 context.testMode = TEST_MUTE; 220 221 /* Setup to receive playback events on position updates */ 222 result = (*playItf)->RegisterCallback(playItf, PlayEventCallback, (void *) &context); 223 ExitOnError(result); 224 result = (*playItf)->SetCallbackEventsMask(playItf, SL_PLAYEVENT_HEADATNEWPOS); 225 ExitOnError(result); 226 result = (*playItf)->SetPositionUpdatePeriod(playItf, 1000); 227 ExitOnError(result); 228 229 fprintf(stdout, "Player configured\n"); 230 231 /* ------------------------------------------------------ */ 232 /* Playback and test */ 233 234 /* Start the data prefetching by setting the player to the paused state */ 235 result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED ); 236 ExitOnError(result); 237 238 /* Wait until there's data to play */ 239 SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW; 240 while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) { 241 usleep(100 * 1000); 242 (*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus); 243 } 244 245 /* Query the number of channels */ 246 SLuint8 numChannels = 0; 247 result = (*muteSoloItf)->GetNumChannels(muteSoloItf, &numChannels); 248 ExitOnError(result); 249 fprintf(stdout, "Content has %d channel(s)\n", numChannels); 250 251 if (numChannels == 1) { 252 fprintf(stdout, "SLMuteSolotItf only works one content with more than one channel. Bye\n"); 253 goto destroyKillKill; 254 } else { 255 /* Mute left channel */ 256 result = (*muteSoloItf)->SetChannelMute(muteSoloItf, 0, SL_BOOLEAN_TRUE); ExitOnError(result); 257 result = (*muteSoloItf)->SetChannelMute(muteSoloItf, 1, SL_BOOLEAN_FALSE); ExitOnError(result); 258 } 259 260 /* Run the test for 10s */ 261 /* see PlayEventCallback() for more of the test of the SLMuteSoloItf interface */ 262 fprintf(stdout, "\nTesting mute functionality:\n"); 263 context.testMode = TEST_MUTE; 264 result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING ); ExitOnError(result); 265 usleep( 5 * 1000 * 1000); 266 result = (*muteSoloItf)->SetChannelMute(muteSoloItf, 0, SL_BOOLEAN_FALSE); ExitOnError(result); 267 result = (*muteSoloItf)->SetChannelMute(muteSoloItf, 1, SL_BOOLEAN_FALSE); ExitOnError(result); 268 fprintf(stdout, "\nTesting solo functionality:\n"); 269 context.testMode = TEST_SOLO; 270 usleep( 5 * 1000 * 1000); 271 272 /* Make sure player is stopped */ 273 fprintf(stdout, "Stopping playback\n"); 274 result = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED); 275 ExitOnError(result); 276 277destroyKillKill: 278 279 /* Destroy the players */ 280 (*player)->Destroy(player); 281 282 /* Destroy Output Mix object */ 283 (*outputMix)->Destroy(outputMix); 284} 285 286//----------------------------------------------------------------- 287int main(int argc, char* const argv[]) 288{ 289 LOGV("Starting %s\n", argv[0]); 290 291 SLresult result; 292 SLObjectItf sl; 293 294 fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLVolumeItf, SLMuteSoloItf\n", 295 argv[0]); 296 fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n"); 297 fprintf(stdout, "Plays a sound and alternates the muting of the channels (for 5s).\n"); 298 fprintf(stdout, " and then alternates the solo\'ing of the channels (for 5s).\n"); 299 fprintf(stdout, "Stops after 10s\n"); 300 301 if (argc == 1) { 302 fprintf(stdout, "Usage: \t%s url\n", argv[0]); 303 fprintf(stdout, "Example: \"%s /sdcard/my.mp3\"\n", argv[0]); 304 exit(1); 305 } 306 307 SLEngineOption EngineOption[] = { 308 {(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE} 309 }; 310 311 result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL); 312 ExitOnError(result); 313 314 /* Realizing the SL Engine in synchronous mode. */ 315 result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE); 316 ExitOnError(result); 317 318 if (argc > 1) { 319 TestPlayUri(sl, argv[1]); 320 } 321 322 /* Shutdown OpenSL ES */ 323 (*sl)->Destroy(sl); 324 exit(0); 325 326 return 0; 327} 328