slesTestPlayUri.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/* 18 * Copyright (c) 2009 The Khronos Group Inc. 19 * 20 * Permission is hereby granted, free of charge, to any person obtaining a copy of this 21 * software and /or associated documentation files (the "Materials "), to deal in the 22 * Materials without restriction, including without limitation the rights to use, copy, 23 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, 24 * and to permit persons to whom the Materials are furnished to do so, subject to 25 * the following conditions: 26 * 27 * The above copyright notice and this permission notice shall be included 28 * in all copies or substantial portions of the Materials. 29 * 30 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 31 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 32 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 33 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 34 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 35 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 36 * CONNECTION WITH THE MATERIALS OR THE USE OR OTHER DEALINGS IN THE 37 * MATERIALS. 38 */ 39 40#define LOG_NDEBUG 0 41#define LOG_TAG "slesTestPlayUri" 42 43#ifdef ANDROID 44#include <utils/Log.h> 45#else 46#define LOGV printf 47#endif 48#include <getopt.h> 49#include <stdlib.h> 50#include <stdio.h> 51#include <string.h> 52#include <unistd.h> 53#include <sys/time.h> 54 55#include "SLES/OpenSLES.h" 56 57 58#define MAX_NUMBER_INTERFACES 3 59#define MAX_NUMBER_OUTPUT_DEVICES 6 60 61//----------------------------------------------------------------- 62//* Exits the application if an error is encountered */ 63#define CheckErr(x) ExitOnErrorFunc(x,__LINE__) 64 65void ExitOnErrorFunc( SLresult result , int line) 66{ 67 if (SL_RESULT_SUCCESS != result) { 68 fprintf(stdout, "%lu error code encountered at line %d, exiting\n", result, line); 69 exit(1); 70 } 71} 72 73//----------------------------------------------------------------- 74/* PrefetchStatusItf callback for an audio player */ 75void PrefetchEventCallback( SLPrefetchStatusItf caller, void *pContext, SLuint32 event) 76{ 77 SLpermille level = 0; 78 (*caller)->GetFillLevel(caller, &level); 79 SLuint32 status; 80 fprintf(stderr, "\t\tPrefetchEventCallback: received event %lu\n", event); 81 (*caller)->GetPrefetchStatus(caller, &status); 82 if ((event & (SL_PREFETCHEVENT_STATUSCHANGE|SL_PREFETCHEVENT_FILLLEVELCHANGE)) 83 && (level == 0) && (status == SL_PREFETCHSTATUS_UNDERFLOW)) { 84 fprintf(stderr, "\t\tPrefetchEventCallback: Error while prefetching data, exiting\n"); 85 exit(1); 86 } 87 if (event & SL_PREFETCHEVENT_FILLLEVELCHANGE) { 88 fprintf(stderr, "\t\tPrefetchEventCallback: Buffer fill level is = %d\n", level); 89 } 90 if (event & SL_PREFETCHEVENT_STATUSCHANGE) { 91 fprintf(stderr, "\t\tPrefetchEventCallback: Prefetch Status is = %lu\n", status); 92 } 93 94} 95 96 97//----------------------------------------------------------------- 98 99/* Play some music from a URI */ 100void TestPlayUri( SLObjectItf sl, const char* path) 101{ 102 SLEngineItf EngineItf; 103 104 SLint32 numOutputs = 0; 105 SLuint32 deviceID = 0; 106 107 SLresult res; 108 109 SLDataSource audioSource; 110 SLDataLocator_URI uri; 111 SLDataFormat_MIME mime; 112 113 SLDataSink audioSink; 114 SLDataLocator_OutputMix locator_outputmix; 115 116 SLObjectItf player; 117 SLPlayItf playItf; 118 SLVolumeItf volItf; 119 SLPrefetchStatusItf prefetchItf; 120 121 SLObjectItf OutputMix; 122 123 SLboolean required[MAX_NUMBER_INTERFACES]; 124 SLInterfaceID iidArray[MAX_NUMBER_INTERFACES]; 125 126 /* Get the SL Engine Interface which is implicit */ 127 res = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf); 128 CheckErr(res); 129 130 /* Initialize arrays required[] and iidArray[] */ 131 for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) { 132 required[i] = SL_BOOLEAN_FALSE; 133 iidArray[i] = SL_IID_NULL; 134 } 135 136 // Set arrays required[] and iidArray[] for VOLUME and PREFETCHSTATUS interface 137 required[0] = SL_BOOLEAN_TRUE; 138 iidArray[0] = SL_IID_VOLUME; 139 required[1] = SL_BOOLEAN_TRUE; 140 iidArray[1] = SL_IID_PREFETCHSTATUS; 141 // Create Output Mix object to be used by player 142 res = (*EngineItf)->CreateOutputMix(EngineItf, &OutputMix, 1, 143 iidArray, required); CheckErr(res); 144 145 // Realizing the Output Mix object in synchronous mode. 146 res = (*OutputMix)->Realize(OutputMix, SL_BOOLEAN_FALSE); 147 CheckErr(res); 148 149 /* Setup the data source structure for the URI */ 150 uri.locatorType = SL_DATALOCATOR_URI; 151 uri.URI = (SLchar*) path; 152 mime.formatType = SL_DATAFORMAT_MIME; 153 mime.mimeType = (SLchar*)NULL; 154 mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED; 155 156 audioSource.pFormat = (void *)&mime; 157 audioSource.pLocator = (void *)&uri; 158 159 /* Setup the data sink structure */ 160 locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; 161 locator_outputmix.outputMix = OutputMix; 162 audioSink.pLocator = (void *)&locator_outputmix; 163 audioSink.pFormat = NULL; 164 165 /* Create the audio player */ 166 res = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, 167 &audioSource, &audioSink, 2, iidArray, required); CheckErr(res); 168 169 /* Realizing the player in synchronous mode. */ 170 res = (*player)->Realize(player, SL_BOOLEAN_FALSE); CheckErr(res); 171 //fprintf(stdout, "URI example: after Realize\n"); 172 173 /* Get interfaces */ 174 res = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf); 175 CheckErr(res); 176 177 res = (*player)->GetInterface(player, SL_IID_VOLUME, (void*)&volItf); 178 CheckErr(res); 179 180 res = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf); 181 CheckErr(res); 182 res = (*prefetchItf)->RegisterCallback(prefetchItf, PrefetchEventCallback, &prefetchItf); 183 CheckErr(res); 184 res = (*prefetchItf)->SetCallbackEventsMask(prefetchItf, 185 SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE); 186 187 188 /* Display duration */ 189 SLmillisecond durationInMsec = SL_TIME_UNKNOWN; 190 res = (*playItf)->GetDuration(playItf, &durationInMsec); 191 CheckErr(res); 192 if (durationInMsec == SL_TIME_UNKNOWN) { 193 fprintf(stdout, "Content duration is unknown (before starting to prefetch)\n"); 194 } else { 195 fprintf(stdout, "Content duration is %lu ms (before starting to prefetch)\n", 196 durationInMsec); 197 } 198 199 /* Set the player volume */ 200 res = (*volItf)->SetVolumeLevel( volItf, -300); 201 CheckErr(res); 202 203 /* Play the URI */ 204 /* first cause the player to prefetch the data */ 205 fprintf(stderr, "\nbefore set to PAUSED\n\n"); 206 res = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED ); 207 fprintf(stderr, "\nafter set to PAUSED\n\n"); 208 CheckErr(res); 209 210 /* wait until there's data to play */ 211 //SLpermille fillLevel = 0; 212 SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW; 213 SLuint32 timeOutIndex = 100; // 10s 214 while ((prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) && (timeOutIndex > 0)) { 215 usleep(100 * 1000); 216 (*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus); 217 timeOutIndex--; 218 } 219 220 if (timeOutIndex == 0) { 221 fprintf(stderr, "We\'re done here, failed to prefetch data in time, exiting\n"); 222 goto destroyRes; 223 } 224 225 /* Display duration again, */ 226 res = (*playItf)->GetDuration(playItf, &durationInMsec); 227 CheckErr(res); 228 if (durationInMsec == SL_TIME_UNKNOWN) { 229 fprintf(stdout, "Content duration is unknown (after prefetch completed)\n"); 230 } else { 231 fprintf(stdout, "Content duration is %lu ms (after prefetch completed)\n", durationInMsec); 232 } 233 234 fprintf(stdout, "URI example: starting to play\n"); 235 res = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING ); 236 CheckErr(res); 237 238 /* Wait as long as the duration of the content before stopping */ 239 usleep(durationInMsec * 1000); 240 241 /* Make sure player is stopped */ 242 fprintf(stdout, "URI example: stopping playback\n"); 243 res = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED); 244 CheckErr(res); 245 246destroyRes: 247 248 /* Destroy the player */ 249 (*player)->Destroy(player); 250 251 /* Destroy Output Mix object */ 252 (*OutputMix)->Destroy(OutputMix); 253} 254 255//----------------------------------------------------------------- 256int main(int argc, char* const argv[]) 257{ 258 LOGV("Starting slesTestPlayUri\n"); 259 260 SLresult res; 261 SLObjectItf sl; 262 263 fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLVolumeItf ", argv[0]); 264 fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n"); 265 fprintf(stdout, "Plays a sound and stops after its reported duration\n\n"); 266 267 if (argc == 1) { 268 fprintf(stdout, "Usage: \n\t%s path \n\t%s url\n", argv[0], argv[0]); 269 fprintf(stdout, "Example: \"%s /sdcard/my.mp3\" or \"%s file:///sdcard/my.mp3\"\n", argv[0], argv[0]); 270 exit(1); 271 } 272 273 SLEngineOption EngineOption[] = { 274 {(SLuint32) SL_ENGINEOPTION_THREADSAFE, 275 (SLuint32) SL_BOOLEAN_TRUE}}; 276 277 res = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL); 278 CheckErr(res); 279 /* Realizing the SL Engine in synchronous mode. */ 280 res = (*sl)->Realize(sl, SL_BOOLEAN_FALSE); 281 CheckErr(res); 282 283 TestPlayUri(sl, argv[1]); 284 285 /* Shutdown OpenSL ES */ 286 (*sl)->Destroy(sl); 287 exit(0); 288 289 return 0; 290} 291