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345 lines
13 KiB
345 lines
13 KiB
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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//#include <sys/time.h>
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#include <SLES/OpenSLES.h>
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#define MAX_NUMBER_INTERFACES 2
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#define MAX_NUMBER_PLAYERS 40
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#define PREFETCHEVENT_ERROR_CANDIDATE \
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(SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE)
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/* the OpenSL ES engine from which we create all other resources */
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SLObjectItf slEngine;
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SLEngineItf engineItf;
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SLObjectItf outputMix;
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SLboolean required[MAX_NUMBER_INTERFACES];
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SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
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SLObjectItf audioPlayer[MAX_NUMBER_PLAYERS];
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bool validplayer[MAX_NUMBER_PLAYERS];
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int playerNum[MAX_NUMBER_PLAYERS];
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SLPlayItf playItfs[MAX_NUMBER_PLAYERS];
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SLVolumeItf volItfs[MAX_NUMBER_PLAYERS];
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SLPrefetchStatusItf prefetchItfs[MAX_NUMBER_PLAYERS];
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SLDataSource audioSource;
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SLDataLocator_URI uri;
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SLDataFormat_MIME mime;
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SLDataSink audioSink;
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SLDataLocator_OutputMix locator_outputmix;
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//-----------------------------------------------------------------
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//* Exits the application if an error is encountered */
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#define CheckErr(x) ExitOnErrorFunc(x, -1, __LINE__)
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#define CheckErrPlyr(x, id) ExitOnErrorFunc(x, id, __LINE__)
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void ExitOnErrorFunc( SLresult result, int playerId, int line)
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{
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if (SL_RESULT_SUCCESS != result) {
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if (playerId == -1) {
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fprintf(stderr, "Error %u code encountered at line %d, exiting\n", result, line);
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} else {
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fprintf(stderr, "Error %u code encountered at line %d for player %d, exiting\n",
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result, line, playerId);
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}
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exit(EXIT_FAILURE);
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}
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}
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//-----------------------------------------------------------------
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/* PrefetchStatusItf callback for an audio player */
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void PrefetchEventCallback( SLPrefetchStatusItf caller, void *pContext, SLuint32 event)
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{
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SLresult res;
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SLpermille level = 0;
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int* pPlayerId = (int*)pContext;
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res = (*caller)->GetFillLevel(caller, &level); CheckErrPlyr(res, *pPlayerId);
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SLuint32 status;
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//fprintf(stdout, "PrefetchEventCallback: received event %u\n", event);
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res = (*caller)->GetPrefetchStatus(caller, &status); CheckErrPlyr(res, *pPlayerId);
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if ((PREFETCHEVENT_ERROR_CANDIDATE == (event & PREFETCHEVENT_ERROR_CANDIDATE))
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&& (level == 0) && (status == SL_PREFETCHSTATUS_UNDERFLOW)) {
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fprintf(stdout, "PrefetchEventCallback: Error while prefetching data for player %d, "
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"exiting\n", *pPlayerId);
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exit(EXIT_FAILURE);
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}
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if (event & SL_PREFETCHEVENT_FILLLEVELCHANGE) {
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fprintf(stdout, "PrefetchEventCallback: Buffer fill level is = %d for player %d\n",
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level, *pPlayerId);
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}
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if (event & SL_PREFETCHEVENT_STATUSCHANGE) {
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fprintf(stdout, "PrefetchEventCallback: Prefetch Status is = %u for player %d\n",
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status, *pPlayerId);
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}
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}
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//-----------------------------------------------------------------
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/* PlayItf callback for playback events */
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void PlayEventCallback(
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SLPlayItf caller,
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void *pContext,
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SLuint32 event)
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{
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SLresult res;
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int* pPlayerId = (int*)pContext;
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if (SL_PLAYEVENT_HEADATEND & event) {
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fprintf(stdout, "SL_PLAYEVENT_HEADATEND reached for player %d\n", *pPlayerId);
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//SignalEos();
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}
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if (SL_PLAYEVENT_HEADATNEWPOS & event) {
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SLmillisecond pMsec = 0;
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res = (*caller)->GetPosition(caller, &pMsec); CheckErrPlyr(res, *pPlayerId);
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fprintf(stdout, "SL_PLAYEVENT_HEADATNEWPOS current position=%ums for player %d\n",
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pMsec, *pPlayerId);
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}
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if (SL_PLAYEVENT_HEADATMARKER & event) {
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SLmillisecond pMsec = 0;
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res = (*caller)->GetPosition(caller, &pMsec); CheckErrPlyr(res, *pPlayerId);
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fprintf(stdout, "SL_PLAYEVENT_HEADATMARKER current position=%ums for player %d\n",
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pMsec, *pPlayerId);
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}
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}
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//-----------------------------------------------------------------
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void TestSetup(const char* path) {
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SLresult res;
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/* Create the engine */
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SLEngineOption EngineOption[] = {
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{(SLuint32) SL_ENGINEOPTION_THREADSAFE,
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(SLuint32) SL_BOOLEAN_TRUE}};
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res = slCreateEngine( &slEngine, 1, EngineOption, 0, NULL, NULL);
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CheckErr(res);
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/* Realizing the SL Engine in synchronous mode. */
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res = (*slEngine)->Realize(slEngine, SL_BOOLEAN_FALSE);
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CheckErr(res);
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/* Get the SL Engine Interface which is implicit */
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res = (*slEngine)->GetInterface(slEngine, SL_IID_ENGINE, (void*)&engineItf);
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CheckErr(res);
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/* Create Output Mix object to be used by player */
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res = (*engineItf)->CreateOutputMix(engineItf, &outputMix, 0,
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iidArray, required); CheckErr(res);
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/* Realizing the Output Mix object in synchronous mode. */
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res = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE);
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CheckErr(res);
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/* Setup the data source structure for the URI */
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// the syntax below is more future-proof than the individual field initialization
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// with regards to OpenSL ES 1.1 but adds scary compilation warnings
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//uri = { SL_DATALOCATOR_URI /*locatorType*/, (SLchar*) path /*URI*/ };
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//mime = { /*formatType*/ SL_DATAFORMAT_MIME, /*mimeType*/ (SLchar*)NULL,
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// /*containerType*/ SL_CONTAINERTYPE_UNSPECIFIED };
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uri.locatorType = SL_DATALOCATOR_URI;
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uri.URI = (SLchar*) path;
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mime.formatType = SL_DATAFORMAT_MIME;
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mime.mimeType = (SLchar*)NULL;
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mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;
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audioSource.pFormat = (void *)&mime;
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audioSource.pLocator = (void *)&uri;
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/* Setup the data sink structure */
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locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
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locator_outputmix.outputMix = outputMix;
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audioSink.pLocator = (void *)&locator_outputmix;
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audioSink.pFormat = NULL;
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/* Initialize arrays required[] and iidArray[] */
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for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
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required[i] = SL_BOOLEAN_FALSE;
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iidArray[i] = SL_IID_NULL;
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}
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/* Set arrays required[] and iidArray[] for VOLUME and PREFETCHSTATUS interface */
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required[0] = SL_BOOLEAN_TRUE;
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iidArray[0] = SL_IID_VOLUME;
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required[1] = SL_BOOLEAN_TRUE;
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iidArray[1] = SL_IID_PREFETCHSTATUS;
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fprintf(stdout, "TestSetup(%s) completed\n", path);
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}
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//-----------------------------------------------------------------
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void TestTeardown() {
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/* Destroy Output Mix object */
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(*outputMix)->Destroy(outputMix);
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/* Shutdown OpenSL ES */
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(*slEngine)->Destroy(slEngine);
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}
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//-----------------------------------------------------------------
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/**
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* Create a player and, if the creation is successful,
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* configure it, and start playing.
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*/
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void CreatePlayer(int playerId) {
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SLresult res;
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playerNum[playerId] = playerId;
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/* Create the audio player */
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res = (*engineItf)->CreateAudioPlayer(engineItf, &audioPlayer[playerId],
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&audioSource, &audioSink, MAX_NUMBER_INTERFACES, iidArray, required);
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if (SL_RESULT_SUCCESS != res) {
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// do not abort the test, just flag the player as not a candidate for destruction
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fprintf(stdout, "CreateAudioPlayer for player %d failed\n", playerId);
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validplayer[playerId] = false;
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return;
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}
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validplayer[playerId] = true;
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/* Realizing the player in synchronous mode. */
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res = (*audioPlayer[playerId])->Realize(audioPlayer[playerId], SL_BOOLEAN_FALSE);
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if (SL_RESULT_SUCCESS != res) {
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// do not abort the test, just stop the player initialization here
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fprintf(stdout, "Realize for player %d failed\n", playerId);
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// this player is still a candidate for destruction
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return;
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}
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// after this point, any failure is a test failure
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/* Get interfaces */
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res = (*audioPlayer[playerId])->GetInterface(audioPlayer[playerId], SL_IID_PLAY,
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(void*)&playItfs[playerId]);
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CheckErrPlyr(res, playerId);
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res = (*audioPlayer[playerId])->GetInterface(audioPlayer[playerId], SL_IID_VOLUME,
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(void*)&volItfs[playerId]);
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CheckErrPlyr(res, playerId);
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res = (*audioPlayer[playerId])->GetInterface(audioPlayer[playerId], SL_IID_PREFETCHSTATUS,
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(void*)&prefetchItfs[playerId]);
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CheckErrPlyr(res, playerId);
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res = (*prefetchItfs[playerId])->RegisterCallback(prefetchItfs[playerId], PrefetchEventCallback,
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&playerNum[playerId]);
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CheckErrPlyr(res, playerId);
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res = (*prefetchItfs[playerId])->SetCallbackEventsMask(prefetchItfs[playerId],
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SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
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CheckErrPlyr(res, playerId);
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/* Set the player volume */
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res = (*volItfs[playerId])->SetVolumeLevel( volItfs[playerId], -300);
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CheckErrPlyr(res, playerId);
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/* Set up the player callback to get events during the decoding */
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res = (*playItfs[playerId])->SetMarkerPosition(playItfs[playerId], 2000);
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CheckErrPlyr(res, playerId);
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res = (*playItfs[playerId])->SetPositionUpdatePeriod(playItfs[playerId], 500);
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CheckErrPlyr(res, playerId);
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res = (*playItfs[playerId])->SetCallbackEventsMask(playItfs[playerId],
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SL_PLAYEVENT_HEADATMARKER | SL_PLAYEVENT_HEADATNEWPOS | SL_PLAYEVENT_HEADATEND);
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CheckErrPlyr(res, playerId);
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res = (*playItfs[playerId])->RegisterCallback(playItfs[playerId], PlayEventCallback,
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&playerNum[playerId]);
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CheckErrPlyr(res, playerId);
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/* Configure fill level updates every 5 percent */
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(*prefetchItfs[playerId])->SetFillUpdatePeriod(prefetchItfs[playerId], 50);
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/* Play the URI */
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/* first cause the player to prefetch the data */
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fprintf(stdout, "Setting player %d to PAUSED\n", playerId);
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res = (*playItfs[playerId])->SetPlayState( playItfs[playerId], SL_PLAYSTATE_PAUSED );
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CheckErrPlyr(res, playerId);
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/* wait until there's data to play */
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SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
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SLuint32 timeOutIndex = 10; // 1s, should be enough for a local file
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while ((prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) && (timeOutIndex > 0)) {
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usleep(100 * 1000);
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res = (*prefetchItfs[playerId])->GetPrefetchStatus(prefetchItfs[playerId], &prefetchStatus);
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CheckErrPlyr(res, playerId);
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timeOutIndex--;
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}
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if (timeOutIndex == 0) {
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fprintf(stderr, "Prefetch timed out for player %d\n", playerId);
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return;
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}
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res = (*playItfs[playerId])->SetPlayState( playItfs[playerId], SL_PLAYSTATE_PLAYING );
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CheckErrPlyr(res, playerId);
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/* Display duration */
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SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
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res = (*playItfs[playerId])->GetDuration(playItfs[playerId], &durationInMsec);
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CheckErrPlyr(res, playerId);
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if (durationInMsec == SL_TIME_UNKNOWN) {
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fprintf(stdout, "Content duration is unknown for player %d\n", playerId);
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} else {
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fprintf(stdout, "Content duration is %u ms for player %d\n", durationInMsec, playerId);
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}
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}
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//-----------------------------------------------------------------
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void DestroyPlayer(int playerId) {
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fprintf(stdout, "About to destroy player %d\n", playerId);
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/* Destroy the player */
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(*audioPlayer[playerId])->Destroy(audioPlayer[playerId]);
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}
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//-----------------------------------------------------------------
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int main(int argc, char* const argv[])
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{
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fprintf(stdout, "OpenSL ES test %s: creates and destroys as many ", argv[0]);
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fprintf(stdout, "AudioPlayer objects as possible (max=%d)\n\n", MAX_NUMBER_PLAYERS);
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if (argc == 1) {
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fprintf(stdout, "Usage: %s path \n\t%s url\n", argv[0], argv[0]);
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fprintf(stdout, "Example: \"%s /sdcard/my.mp3\" or \"%s file:///sdcard/my.mp3\"\n",
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argv[0], argv[0]);
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exit(EXIT_FAILURE);
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}
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TestSetup(argv[1]);
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for (int i=0 ; i<MAX_NUMBER_PLAYERS ; i++) {
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CreatePlayer(i);
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}
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fprintf(stdout, "After creating %d AudioPlayers\n", MAX_NUMBER_PLAYERS);
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/* Wait for an arbitrary amount of time. if playing a long file, the players will still
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be playing while the destructions start. */
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usleep(10*1000*1000); // 10s
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for (int i=0 ; i<MAX_NUMBER_PLAYERS ; i++) {
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if (validplayer[i]) {
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DestroyPlayer(i);
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}
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}
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fprintf(stdout, "After destroying valid players among %d AudioPlayers\n", MAX_NUMBER_PLAYERS);
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TestTeardown();
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return EXIT_SUCCESS;
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}
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