playbq.c revision 9a6c9db763121c3b11765c6c8cf935983c0385bf
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{ 459a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten assert(NULL == param); 460a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (!eof) { 470a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten short *buffer = &buffers[framesPerBuffer * sfinfo.channels * which]; 480a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sf_count_t count; 490a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten count = sf_readf_short(sndfile, buffer, (sf_count_t) framesPerBuffer); 500a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (0 >= count) { 510a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten eof = SL_BOOLEAN_TRUE; 520a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else { 530a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLresult result = (*bufq)->Enqueue(bufq, buffer, count * sfinfo.channels * 540a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sizeof(short)); 550a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 560a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (++which >= numBuffers) 570a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten which = 0; 580a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 590a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 600a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten} 610a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 620a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kastenint main(int argc, char **argv) 630a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten{ 640a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLboolean enableReverb = SL_BOOLEAN_FALSE; 659a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten SLpermille rate = 1000; 660a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 670a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // process command-line options 680a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten int i; 690a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten for (i = 1; i < argc; ++i) { 700a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten char *arg = argv[i]; 710a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (arg[0] != '-') 720a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 730a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (!strncmp(arg, "-f", 2)) { 740a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten framesPerBuffer = atoi(&arg[2]); 750a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else if (!strncmp(arg, "-n", 2)) { 760a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten numBuffers = atoi(&arg[2]); 779a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten } else if (!strncmp(arg, "-p", 2)) { 789a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten rate = atoi(&arg[2]); 790a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else if (!strcmp(arg, "-r")) { 800a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten enableReverb = SL_BOOLEAN_TRUE; 810a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } else { 820a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "option %s ignored\n", arg); 830a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 840a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 850a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 860a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (argc - i != 1) { 879a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten fprintf(stderr, "usage: [-f#] [-n] [-p#] [-r] %s filename\n", argv[0]); 880a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten return EXIT_FAILURE; 890a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 900a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 910a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten const char *filename = argv[i]; 920a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten //memset(&sfinfo, 0, sizeof(SF_INFO)); 930a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sfinfo.format = 0; 940a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sndfile = sf_open(filename, SFM_READ, &sfinfo); 950a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (NULL == sndfile) { 960a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten perror(filename); 970a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten return EXIT_FAILURE; 980a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 990a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1000a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // verify the file format 1010a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.channels) { 1020a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 1: 1030a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 2: 1040a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1050a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1060a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported channel count %d\n", sfinfo.channels); 1070a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1080a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1090a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.samplerate) { 1100a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 8000: 1110a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 11025: 1120a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 12000: 1130a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 16000: 1140a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 22050: 1150a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 24000: 1160a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 32000: 1170a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 44100: 1180a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case 48000: 1190a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1200a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1210a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported sample rate %d\n", sfinfo.samplerate); 1220a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1230a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1240a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.format & SF_FORMAT_TYPEMASK) { 1250a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_WAV: 1260a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1270a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1280a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported format type 0x%x\n", sfinfo.format & SF_FORMAT_TYPEMASK); 1290a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1300a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1310a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten switch (sfinfo.format & SF_FORMAT_SUBMASK) { 1320a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_PCM_16: 1330a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_PCM_U8: 1340a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_ULAW: 1350a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_ALAW: 1360a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten case SF_FORMAT_IMA_ADPCM: 1370a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1380a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten default: 1390a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten fprintf(stderr, "unsupported sub-format 0x%x\n", sfinfo.format & SF_FORMAT_SUBMASK); 1400a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 1410a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1420a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1430a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten buffers = (short *) malloc(framesPerBuffer * sfinfo.channels * sizeof(short) * numBuffers); 1440a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1450a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // create engine 1460a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLresult result; 1470a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLObjectItf engineObject; 1480a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL); 1490a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1500a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEngineItf engineEngine; 1510a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE); 1520a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1530a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine); 1540a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1550a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1560a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // create output mix 1570a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLObjectItf outputMixObject; 1580a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLInterfaceID ids[1] = {SL_IID_ENVIRONMENTALREVERB}; 1590a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLboolean req[1] = {SL_BOOLEAN_TRUE}; 1600a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, enableReverb ? 1 : 0, 1610a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten ids, req); 1620a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1630a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE); 1640a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1650a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1660a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // configure environmental reverb on output mix 1670a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEnvironmentalReverbItf mixEnvironmentalReverb = NULL; 1680a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (enableReverb) { 1690a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*outputMixObject)->GetInterface(outputMixObject, SL_IID_ENVIRONMENTALREVERB, 1700a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &mixEnvironmentalReverb); 1710a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1720a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEnvironmentalReverbSettings settings = SL_I3DL2_ENVIRONMENT_PRESET_STONECORRIDOR; 1730a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*mixEnvironmentalReverb)->SetEnvironmentalReverbProperties(mixEnvironmentalReverb, 1740a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &settings); 1750a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1760a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 1770a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1780a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // configure audio source 1790a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataLocator_BufferQueue loc_bufq; 1800a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_bufq.locatorType = SL_DATALOCATOR_BUFFERQUEUE; 1810a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_bufq.numBuffers = numBuffers; 1820a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataFormat_PCM format_pcm; 1830a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.formatType = SL_DATAFORMAT_PCM; 1840a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.numChannels = sfinfo.channels; 1850a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.samplesPerSec = sfinfo.samplerate * 1000; 1860a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.bitsPerSample = 16; 1870a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.containerSize = format_pcm.bitsPerSample; 1880a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.channelMask = 1 == format_pcm.numChannels ? SL_SPEAKER_FRONT_CENTER : 1890a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT; 1900a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten format_pcm.endianness = SL_BYTEORDER_LITTLEENDIAN; 1910a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataSource audioSrc; 1920a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSrc.pLocator = &loc_bufq; 1930a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSrc.pFormat = &format_pcm; 1940a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 1950a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // configure audio sink 1960a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataLocator_OutputMix loc_outmix; 1970a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_outmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; 1980a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten loc_outmix.outputMix = outputMixObject; 1990a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLDataSink audioSnk; 2000a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSnk.pLocator = &loc_outmix; 2010a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten audioSnk.pFormat = NULL; 2020a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2030a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // create audio player 2049a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten SLInterfaceID ids2[3] = {SL_IID_BUFFERQUEUE, SL_IID_PLAYBACKRATE, SL_IID_EFFECTSEND}; 2059a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten SLboolean req2[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE}; 2060a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLObjectItf playerObject; 2070a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*engineEngine)->CreateAudioPlayer(engineEngine, &playerObject, &audioSrc, 2089a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten &audioSnk, enableReverb ? 3 : 2, ids2, req2); 2090a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2100a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2110a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // realize the player 2120a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->Realize(playerObject, SL_BOOLEAN_FALSE); 2130a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2140a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2150a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // get the effect send interface and enable effect send reverb for this player 2160a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (enableReverb) { 2170a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLEffectSendItf playerEffectSend; 2180a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_EFFECTSEND, &playerEffectSend); 2190a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2200a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerEffectSend)->EnableEffectSend(playerEffectSend, mixEnvironmentalReverb, 2210a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SL_BOOLEAN_TRUE, (SLmillibel) 0); 2220a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2230a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2240a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2259a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten // get the playback rate interface and configure the rate 2269a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten SLPlaybackRateItf playerPlaybackRate; 2279a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_PLAYBACKRATE, &playerPlaybackRate); 2289a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2299a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten SLpermille defaultRate; 2309a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten result = (*playerPlaybackRate)->GetRate(playerPlaybackRate, &defaultRate); 2319a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2329a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten SLuint32 defaultProperties; 2339a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten result = (*playerPlaybackRate)->GetProperties(playerPlaybackRate, &defaultProperties); 2349a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2359a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten printf("default playback rate %d per mille, properties 0x%x\n", defaultRate, defaultProperties); 2369a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten if (rate != defaultRate) { 2379a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten result = (*playerPlaybackRate)->SetRate(playerPlaybackRate, rate); 2389a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten if (SL_RESULT_FEATURE_UNSUPPORTED == result) { 2399a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten fprintf(stderr, "playback rate %d is unsupported\n", rate); 2409a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten } else if (SL_RESULT_PARAMETER_INVALID == result) { 2419a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten fprintf(stderr, "playback rate %d is invalid", rate); 2429a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten } else { 2439a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2449a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten } 2459a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten } 2469a6c9db763121c3b11765c6c8cf935983c0385bfGlenn Kasten 2470a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // get the play interface 2480a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLPlayItf playerPlay; 2490a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_PLAY, &playerPlay); 2500a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2510a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2520a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // get the buffer queue interface 2530a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLBufferQueueItf playerBufferQueue; 2540a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_BUFFERQUEUE, 2550a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten &playerBufferQueue); 2560a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2570a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2580a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // loop until EOF or no more buffers 2590a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten for (which = 0; which < numBuffers; ++which) { 2600a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten short *buffer = &buffers[framesPerBuffer * sfinfo.channels * which]; 2610a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sf_count_t frames = framesPerBuffer; 2620a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sf_count_t count; 2630a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten count = sf_readf_short(sndfile, buffer, frames); 2640a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (0 >= count) { 2650a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten eof = SL_BOOLEAN_TRUE; 2660a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 2670a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2680a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2690a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // enqueue a buffer 2700a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerBufferQueue)->Enqueue(playerBufferQueue, buffer, count * sfinfo.channels * 2710a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sizeof(short)); 2720a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2730a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2740a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (which >= numBuffers) 2750a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten which = 0; 2760a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2770a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // register a callback on the buffer queue 2780a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerBufferQueue)->RegisterCallback(playerBufferQueue, callback, NULL); 2790a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2800a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2810a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // set the player's state to playing 2820a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerPlay)->SetPlayState(playerPlay, SL_PLAYSTATE_PLAYING); 2830a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2840a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2850a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // wait until the buffer queue is empty 2860a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten SLBufferQueueState bufqstate; 2870a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten for (;;) { 2880a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten result = (*playerBufferQueue)->GetState(playerBufferQueue, &bufqstate); 2890a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 2900a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten if (0 >= bufqstate.count) { 2910a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten break; 2920a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2930a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten sleep(1); 2940a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten } 2950a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2960a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // destroy audio player 2970a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten (*playerObject)->Destroy(playerObject); 2980a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 2990a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // destroy output mix 3000a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten (*outputMixObject)->Destroy(outputMixObject); 3010a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 3020a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten // destroy engine 3030a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten (*engineObject)->Destroy(engineObject); 3040a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten 3050a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten return EXIT_SUCCESS; 3060a058cc3d720cdf3f0f8222472a862258482f34fGlenn Kasten} 307