1cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten/* 2cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * Copyright (C) 2010 The Android Open Source Project 3cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * 4cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 5cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * you may not use this file except in compliance with the License. 6cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * You may obtain a copy of the License at 7cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * 8cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 9cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * 10cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * Unless required by applicable law or agreed to in writing, software 11cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 12cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * See the License for the specific language governing permissions and 14cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten * limitations under the License. 15cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten */ 16cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 17cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten// Test various buffer queue configurations 18cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 19cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten#include <assert.h> 209a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten#include <math.h> 21cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten#include <stdio.h> 22cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten#include <stdlib.h> 234d7c8c742d5b09895e7ce3d07d314b6ada56123dGlenn Kasten#include <unistd.h> 24cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 25a6c5e52ded343b557152156c33d33a10d29bf6f1Glenn Kasten#include <SLES/OpenSLES.h> 26cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 27cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kastentypedef struct { 28cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLuint8 numChannels; 29cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLuint32 milliHz; 30cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLuint8 bitsPerSample; 31cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten} PCM; 32cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 33cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn KastenPCM formats[] = { 34cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_8, 8}, 35cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_8, 8}, 36cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_8, 16}, 37cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_8, 16}, 38cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_11_025, 8}, 39cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_11_025, 8}, 40cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_11_025, 16}, 41cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_11_025, 16}, 42cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_12, 8}, 43cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_12, 8}, 44cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_12, 16}, 45cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_12, 16}, 46cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_16, 8}, 47cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_16, 8}, 48cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_16, 16}, 49cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_16, 16}, 50cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_22_05, 8}, 51cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_22_05, 8}, 52cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_22_05, 16}, 53cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_22_05, 16}, 54cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_24, 8}, 55cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_24, 8}, 56cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_24, 16}, 57cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_24, 16}, 58cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_32, 8}, 59cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_32, 8}, 60cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_32, 16}, 61cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_32, 16}, 62cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_44_1, 8}, 63cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_44_1, 8}, 64cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_44_1, 16}, 65cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_44_1, 16}, 66cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_48, 8}, 67cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_48, 8}, 68cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {1, SL_SAMPLINGRATE_48, 16}, 69cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {2, SL_SAMPLINGRATE_48, 16}, 70cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten {0, 0, 0} 71cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten}; 72cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 73cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kastenint main(int argc, char **argv) 74cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten{ 75cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLresult result; 76cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLObjectItf engineObject; 77cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 78cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // create engine 79cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL); 80cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 81cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLEngineItf engineEngine; 82cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE); 83cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 84cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine); 85cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 86cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 87cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // create output mix 88cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLObjectItf outputMixObject; 89cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, 0, NULL, NULL); 90cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 91cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE); 92cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 93cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 94cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // loop over all formats 95cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten PCM *format; 969a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten float hzLeft = 440.0; // A440 (Concert A) 979a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten float hzRight = 440.0; 98cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten for (format = formats; format->numChannels; ++format) { 99cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 100d968dacf7a35d52b6907283f3d95295a238340ccGlenn Kasten printf("Channels: %d, sample rate: %u, bits: %u\n", format->numChannels, 101cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format->milliHz / 1000, format->bitsPerSample); 102cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 103cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // configure audio source 104cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLDataLocator_BufferQueue loc_bufq; 105cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten loc_bufq.locatorType = SL_DATALOCATOR_BUFFERQUEUE; 106cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten loc_bufq.numBuffers = 1; 107cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLDataFormat_PCM format_pcm; 108cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.formatType = SL_DATAFORMAT_PCM; 109cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.numChannels = format->numChannels; 110cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.samplesPerSec = format->milliHz; 111cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.bitsPerSample = format->bitsPerSample; 112cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.containerSize = format->bitsPerSample; 113cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.channelMask = 0; 114cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten format_pcm.endianness = SL_BYTEORDER_LITTLEENDIAN; 115cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLDataSource audioSrc; 116cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten audioSrc.pLocator = &loc_bufq; 117cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten audioSrc.pFormat = &format_pcm; 118cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 119cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // configure audio sink 120cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLDataLocator_OutputMix loc_outmix; 121cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten loc_outmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; 122cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten loc_outmix.outputMix = outputMixObject; 123cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLDataSink audioSnk; 124cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten audioSnk.pLocator = &loc_outmix; 125cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten audioSnk.pFormat = NULL; 126cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 127cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // create audio player 128cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLuint32 numInterfaces = 1; 129cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLInterfaceID ids[1]; 130cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLboolean req[1]; 131cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten ids[0] = SL_IID_BUFFERQUEUE; 132cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten req[0] = SL_BOOLEAN_TRUE; 133cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLObjectItf playerObject; 134cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*engineEngine)->CreateAudioPlayer(engineEngine, &playerObject, &audioSrc, 135cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten &audioSnk, numInterfaces, ids, req); 136cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten if (SL_RESULT_SUCCESS != result) { 137d968dacf7a35d52b6907283f3d95295a238340ccGlenn Kasten printf("failed %u\n", result); 138cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten continue; 139cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 140cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 141cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // realize the player 142cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*playerObject)->Realize(playerObject, SL_BOOLEAN_FALSE); 143cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 144cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 1459a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten // generate a sine wave buffer, ascending in half-steps for each format 1469a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten#define N (44100*4) 1479a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten static unsigned char buffer[N]; 148cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten unsigned i; 149cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten for (i = 0; i < N; ) { 1509a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten float seconds = (((i * 8) / (format->bitsPerSample * format->numChannels)) * 1000.0) / 1519a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten format->milliHz; 1529a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten short sampleLeft = sin(seconds * M_PI_2 * hzLeft) * 32767.0; 1539a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten short sampleRight = sin(seconds * M_PI_2 * hzRight) * 32767.0; 154cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten if (2 == format->numChannels) { 155cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten if (8 == format->bitsPerSample) { 156cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten buffer[i++] = (sampleLeft + 32768) >> 8; 157cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten buffer[i++] = (sampleRight + 32768) >> 8; 158cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } else { 159cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(16 == format->bitsPerSample); 1609a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten buffer[i++] = sampleLeft & 0xFF; 161cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten buffer[i++] = sampleLeft >> 8; 1629a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten buffer[i++] = sampleRight & 0xFF; 163cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten buffer[i++] = sampleRight >> 8; 164cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 165cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } else { 166cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(1 == format->numChannels); 1679a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten // cast to int and divide by 2 are needed to prevent overflow 1689a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten short sampleMono = ((int) sampleLeft + (int) sampleRight) / 2; 169cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten if (8 == format->bitsPerSample) { 1709a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten buffer[i++] = (sampleMono + 32768) >> 8; 171cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } else { 172cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(16 == format->bitsPerSample); 1739a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten buffer[i++] = sampleMono & 0xFF; 1749a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten buffer[i++] = sampleMono >> 8; 175cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 176cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 1779a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten if (seconds >= 1.0f) 1789a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten break; 179cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 180cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 181cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // get the buffer queue interface and enqueue a buffer 182cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLBufferQueueItf playerBufferQueue; 183cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_BUFFERQUEUE, 184cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten &playerBufferQueue); 185cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 1869a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten result = (*playerBufferQueue)->Enqueue(playerBufferQueue, buffer, i); 187cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 188cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 189cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // get the play interface 190cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLPlayItf playerPlay; 191cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*playerObject)->GetInterface(playerObject, SL_IID_PLAY, &playerPlay); 192cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 193cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 194cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // set the player's state to playing 195cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*playerPlay)->SetPlayState(playerPlay, SL_PLAYSTATE_PLAYING); 196cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 197cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 198cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // wait for the buffer to be played 199cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten for (;;) { 200cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten SLBufferQueueState state; 201cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten result = (*playerBufferQueue)->GetState(playerBufferQueue, &state); 202cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten assert(SL_RESULT_SUCCESS == result); 203cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten if (state.count == 0) 204cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten break; 205cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten usleep(20000); 206cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 207cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 208cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // destroy audio player 209cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten (*playerObject)->Destroy(playerObject); 210cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 2119a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten //usleep(1000000); 2129a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten hzLeft *= 1.05946309; // twelfth root of 2 2139a889c24ace7bbc9659e1531d7a61dc43452d7c0Glenn Kasten hzRight /= 1.05946309; 214cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten } 215cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 216cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // destroy output mix 217cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten (*outputMixObject)->Destroy(outputMixObject); 218cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 219cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten // destroy engine 220cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten (*engineObject)->Destroy(engineObject); 221cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten 222cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten return EXIT_SUCCESS; 223cff46f0284202c65154dd7b2f0f5542fc29f4e3fGlenn Kasten} 224