playbq.c revision c6853892c94800e72c0bd676d5d2136d48cea76e
10a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten/* 20a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * Copyright (C) 2010 The Android Open Source Project 30a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * 40a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 50a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * you may not use this file except in compliance with the License. 60a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * You may obtain a copy of the License at 70a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * 80a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 90a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * 100a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * Unless required by applicable law or agreed to in writing, software 110a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 120a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * See the License for the specific language governing permissions and 140a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten * limitations under the License. 150a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten */ 160a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 170a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten// Play an audio file using buffer queue 180a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 190a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <assert.h> 200a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <math.h> 210a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <stdio.h> 220a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <stdlib.h> 230a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <string.h> 240a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <unistd.h> 250a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 26c6853892c94800e72c0bd676d5d2136d48cea76eGlenn Kasten#include <SLES/OpenSLES.h> 270a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#ifdef ANDROID 280a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include "sndfile.h" 290a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#else 300a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#include <sndfile.h> 310a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten#endif 320a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 330a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenunsigned numBuffers = 2; 340a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenint framesPerBuffer = 512; 350a058cc3d720cdf3f0f8222472a862258482f34fGlenn KastenSNDFILE *sndfile; 360a058cc3d720cdf3f0f8222472a862258482f34fGlenn KastenSF_INFO sfinfo; 370a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenunsigned which; // which buffer to use next 380a058cc3d720cdf3f0f8222472a862258482f34fGlenn KastenSLboolean eof; // whether we have hit EOF on input yet 390a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenshort *buffers; 400a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 410a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten// This callback is called each time a buffer finishes playing 420a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 430a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenstatic void callback(SLBufferQueueItf bufq, void *param) 440a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten{ 450a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (!eof) { 460a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten short *buffer = &buffers[framesPerBuffer * sfinfo.channels * which]; 470a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sf_count_t count; 480a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten count = sf_readf_short(sndfile, buffer, (sf_count_t) framesPerBuffer); 490a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (0 >= count) { 500a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten eof = SL_BOOLEAN_TRUE; 510a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else { 520a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLresult result = (*bufq)->Enqueue(bufq, buffer, count * sfinfo.channels * 530a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sizeof(short)); 540a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 550a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (++which >= numBuffers) 560a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten which = 0; 570a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 580a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 590a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten} 600a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 610a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenint main(int argc, char **argv) 620a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten{ 630a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLboolean enableReverb = SL_BOOLEAN_FALSE; 640a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 650a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // process command-line options 660a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten int i; 670a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten for (i = 1; i < argc; ++i) { 680a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten char *arg = argv[i]; 690a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (arg[0] != '-') 700a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 710a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (!strncmp(arg, "-f", 2)) { 720a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten framesPerBuffer = atoi(&arg[2]); 730a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else if (!strncmp(arg, "-n", 2)) { 740a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten numBuffers = atoi(&arg[2]); 750a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else if (!strcmp(arg, "-r")) { 760a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten enableReverb = SL_BOOLEAN_TRUE; 770a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else { 780a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "option %s ignored\n", arg); 790a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 800a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 810a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 820a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (argc - i != 1) { 830a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "usage: [-r] %s filename\n", argv[0]); 840a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten return EXIT_FAILURE; 850a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 860a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 870a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten const char *filename = argv[i]; 880a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten //memset(&sfinfo, 0, sizeof(SF_INFO)); 890a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sfinfo.format = 0; 900a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sndfile = sf_open(filename, SFM_READ, &sfinfo); 910a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (NULL == sndfile) { 920a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten perror(filename); 930a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten return EXIT_FAILURE; 940a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 950a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 960a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // verify the file format 970a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.channels) { 980a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 1: 990a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 2: 1000a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1010a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1020a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported channel count %d\n", sfinfo.channels); 1030a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1040a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1050a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.samplerate) { 1060a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 8000: 1070a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 11025: 1080a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 12000: 1090a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 16000: 1100a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 22050: 1110a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 24000: 1120a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 32000: 1130a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 44100: 1140a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 48000: 1150a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1160a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1170a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported sample rate %d\n", sfinfo.samplerate); 1180a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1190a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1200a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.format & SF_FORMAT_TYPEMASK) { 1210a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_WAV: 1220a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1230a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1240a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported format type 0x%x\n", sfinfo.format & SF_FORMAT_TYPEMASK); 1250a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1260a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1270a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.format & SF_FORMAT_SUBMASK) { 1280a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_PCM_16: 1290a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_PCM_U8: 1300a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_ULAW: 1310a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_ALAW: 1320a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_IMA_ADPCM: 1330a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1340a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1350a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported sub-format 0x%x\n", sfinfo.format & SF_FORMAT_SUBMASK); 1360a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1370a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1380a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1390a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten buffers = (short *) malloc(framesPerBuffer * sfinfo.channels * sizeof(short) * numBuffers); 1400a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1410a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // create engine 1420a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLresult result; 1430a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLObjectItf engineObject; 1440a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL); 1450a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1460a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEngineItf engineEngine; 1470a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE); 1480a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1490a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine); 1500a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1510a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1520a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // create output mix 1530a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLObjectItf outputMixObject; 1540a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLInterfaceID ids[1] = {SL_IID_ENVIRONMENTALREVERB}; 1550a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLboolean req[1] = {SL_BOOLEAN_TRUE}; 1560a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, enableReverb ? 1 : 0, 1570a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten ids, req); 1580a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1590a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE); 1600a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1610a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1620a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // configure environmental reverb on output mix 1630a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEnvironmentalReverbItf mixEnvironmentalReverb = NULL; 1640a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (enableReverb) { 1650a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB, 1660a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &mixEnvironmentalReverb); 1670a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1680a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEnvironmentalReverbSettings settings = SL_I3DL2_ENVIRONMENT_PRESET_STONECORRIDOR; 1690a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*mixEnvironmentalReverb)->SetEnvironmentalReverbProperties(mixEnvironmentalReverb, 1700a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &settings); 1710a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1720a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1730a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1740a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // configure audio source 1750a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataLocator_BufferQueue loc_bufq; 1760a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_bufq.locatorType = SL_DATALOCATOR_BUFFERQUEUE; 1770a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_bufq.numBuffers = numBuffers; 1780a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataFormat_PCM format_pcm; 1790a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.formatType = SL_DATAFORMAT_PCM; 1800a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.numChannels = sfinfo.channels; 1810a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.samplesPerSec = sfinfo.samplerate * 1000; 1820a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.bitsPerSample = 16; 1830a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.containerSize = format_pcm.bitsPerSample; 1840a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.channelMask = 1 == format_pcm.numChannels ? SL_SPEAKER_FRONT_CENTER : 1850a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT; 1860a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.endianness = SL_BYTEORDER_LITTLEENDIAN; 1870a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataSource audioSrc; 1880a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSrc.pLocator = &loc_bufq; 1890a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSrc.pFormat = &format_pcm; 1900a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1910a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // configure audio sink 1920a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataLocator_OutputMix loc_outmix; 1930a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_outmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; 1940a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_outmix.outputMix = outputMixObject; 1950a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataSink audioSnk; 1960a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSnk.pLocator = &loc_outmix; 1970a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSnk.pFormat = NULL; 1980a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1990a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // create audio player 2000a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLInterfaceID ids2[2] = {SL_IID_BUFFERQUEUE, SL_IID_EFFECTSEND}; 2010a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLboolean req2[2] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE}; 2020a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLObjectItf playerObject; 2030a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineEngine)->CreateAudioPlayer(engineEngine, &playerObject, &audioSrc, 2040a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &audioSnk, enableReverb ? 2 : 1, ids2, req2); 2050a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2060a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2070a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // realize the player 2080a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->Realize(playerObject, SL_BOOLEAN_FALSE); 2090a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2100a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2110a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // get the effect send interface and enable effect send reverb for this player 2120a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (enableReverb) { 2130a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEffectSendItf playerEffectSend; 2140a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_EFFECTSEND, &playerEffectSend); 2150a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2160a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerEffectSend)->EnableEffectSend(playerEffectSend, mixEnvironmentalReverb, 2170a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SL_BOOLEAN_TRUE, (SLmillibel) 0); 2180a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2190a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2200a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2210a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // get the play interface 2220a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLPlayItf playerPlay; 2230a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_PLAY, &playerPlay); 2240a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2250a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2260a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // get the buffer queue interface 2270a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLBufferQueueItf playerBufferQueue; 2280a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_BUFFERQUEUE, 2290a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &playerBufferQueue); 2300a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2310a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2320a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // loop until EOF or no more buffers 2330a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten for (which = 0; which < numBuffers; ++which) { 2340a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten short *buffer = &buffers[framesPerBuffer * sfinfo.channels * which]; 2350a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sf_count_t frames = framesPerBuffer; 2360a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sf_count_t count; 2370a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten count = sf_readf_short(sndfile, buffer, frames); 2380a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (0 >= count) { 2390a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten eof = SL_BOOLEAN_TRUE; 2400a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 2410a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2420a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2430a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // enqueue a buffer 2440a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerBufferQueue)->Enqueue(playerBufferQueue, buffer, count * sfinfo.channels * 2450a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sizeof(short)); 2460a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2470a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2480a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (which >= numBuffers) 2490a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten which = 0; 2500a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2510a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // register a callback on the buffer queue 2520a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerBufferQueue)->RegisterCallback(playerBufferQueue, callback, NULL); 2530a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2540a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2550a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // set the player's state to playing 2560a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerPlay)->SetPlayState(playerPlay, SL_PLAYSTATE_PLAYING); 2570a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2580a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2590a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // wait until the buffer queue is empty 2600a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLBufferQueueState bufqstate; 2610a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten for (;;) { 2620a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerBufferQueue)->GetState(playerBufferQueue, &bufqstate); 2630a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2640a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (0 >= bufqstate.count) { 2650a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 2660a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2670a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sleep(1); 2680a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2690a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2700a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // destroy audio player 2710a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten (*playerObject)->Destroy(playerObject); 2720a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2730a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // destroy output mix 2740a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten (*outputMixObject)->Destroy(outputMixObject); 2750a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2760a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // destroy engine 2770a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten (*engineObject)->Destroy(engineObject); 2780a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2790a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten return EXIT_SUCCESS; 2800a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten} 281