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282 lines
9.5 KiB
282 lines
9.5 KiB
4 months ago
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/*
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* Copyright (C) 2010 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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/* interactive buffer queue test program */
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#ifdef ANDROID
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#define USE_ANDROID_SIMPLE_BUFFER_QUEUE // change to #undef for compatibility testing
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#endif
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#include <assert.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <SLES/OpenSLES.h>
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#ifdef USE_ANDROID_SIMPLE_BUFFER_QUEUE
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#include <SLES/OpenSLES_Android.h>
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#endif
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#include "getch.h"
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#ifdef USE_ANDROID_SIMPLE_BUFFER_QUEUE
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#define DATALOCATOR_BUFFERQUEUE SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE
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#define IID_BUFFERQUEUE SL_IID_ANDROIDSIMPLEBUFFERQUEUE
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#define BufferQueueItf SLAndroidSimpleBufferQueueItf
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#define BufferQueueState SLAndroidSimpleBufferQueueState
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#define INDEX index
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#else
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#define DATALOCATOR_BUFFERQUEUE SL_DATALOCATOR_BUFFERQUEUE
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#define IID_BUFFERQUEUE SL_IID_BUFFERQUEUE
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#define BufferQueueItf SLBufferQueueItf
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#define BufferQueueState SLBufferQueueState
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#define INDEX playIndex
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#endif
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#define checkResult(r) do { if ((r) != SL_RESULT_SUCCESS) fprintf(stderr, "error %d at %s:%d\n", \
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(int) (r), __FILE__, __LINE__); } while (0)
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typedef struct {
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short left;
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short right;
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} frame_t;
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#define SINE_FRAMES (44100*5)
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frame_t sine[SINE_FRAMES];
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#define SQUARE_FRAMES (44100*5)
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frame_t square[SQUARE_FRAMES];
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#define SAWTOOTH_FRAMES (44100*5)
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frame_t sawtooth[SAWTOOTH_FRAMES];
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#define HALF_FRAMES (44100*5)
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frame_t half[HALF_FRAMES];
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BufferQueueItf expectedCaller = NULL;
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void *expectedContext = NULL;
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static void callback(BufferQueueItf caller, void *context)
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{
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putchar('.');
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if (caller != expectedCaller)
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printf("caller %p expected %p\r\n", caller, expectedCaller);
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if (context != expectedContext)
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printf("context %p expected %p\r\n", context, expectedContext);
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fflush(stdout);
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}
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int main(int argc __unused, char **argv __unused)
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{
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SLresult result;
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// create engine
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SLObjectItf engineObject;
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result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL);
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checkResult(result);
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result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE);
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checkResult(result);
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SLEngineItf engineEngine;
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result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine);
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checkResult(result);
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// create output mix
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SLObjectItf outputmixObject;
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result = (*engineEngine)->CreateOutputMix(engineEngine, &outputmixObject, 0, NULL, NULL);
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checkResult(result);
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result = (*outputmixObject)->Realize(outputmixObject, SL_BOOLEAN_FALSE);
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checkResult(result);
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// create audio player
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SLDataSource audiosrc;
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SLDataSink audiosnk;
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SLDataFormat_PCM pcm;
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SLDataLocator_OutputMix locator_outputmix;
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SLDataLocator_BufferQueue locator_bufferqueue;
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locator_bufferqueue.locatorType = DATALOCATOR_BUFFERQUEUE;
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locator_bufferqueue.numBuffers = 255;
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locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
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locator_outputmix.outputMix = outputmixObject;
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pcm.formatType = SL_DATAFORMAT_PCM;
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pcm.numChannels = 2;
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pcm.samplesPerSec = SL_SAMPLINGRATE_44_1;
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pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
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pcm.containerSize = 16;
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pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
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pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
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audiosrc.pLocator = &locator_bufferqueue;
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audiosrc.pFormat = &pcm;
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audiosnk.pLocator = &locator_outputmix;
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audiosnk.pFormat = NULL;
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SLObjectItf playerObject;
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SLInterfaceID ids[2] = {IID_BUFFERQUEUE, SL_IID_MUTESOLO};
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SLboolean flags[2] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
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result = (*engineEngine)->CreateAudioPlayer(engineEngine, &playerObject, &audiosrc, &audiosnk,
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2, ids, flags);
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checkResult(result);
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result = (*playerObject)->Realize(playerObject, SL_BOOLEAN_FALSE);
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checkResult(result);
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SLPlayItf playerPlay;
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result = (*playerObject)->GetInterface(playerObject, SL_IID_PLAY, &playerPlay);
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checkResult(result);
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BufferQueueItf playerBufferqueue;
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result = (*playerObject)->GetInterface(playerObject, IID_BUFFERQUEUE, &playerBufferqueue);
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checkResult(result);
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SLMuteSoloItf playerMuteSolo;
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result = (*playerObject)->GetInterface(playerObject, SL_IID_MUTESOLO, &playerMuteSolo);
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checkResult(result);
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SLuint8 numChannels = 123;
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result = (*playerMuteSolo)->GetNumChannels(playerMuteSolo, &numChannels);
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assert(2 == numChannels);
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SLuint32 state;
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state = SL_PLAYSTATE_PLAYING;
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result = (*playerPlay)->SetPlayState(playerPlay, state);
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checkResult(result);
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unsigned i;
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float pi2 = 3.14*2;
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float hz = 441;
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float sr = 44100;
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for (i = 0; i < SINE_FRAMES; ++i) {
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sine[i].left = sin((float) (i / (sr / hz)) * pi2 ) * 32000.0;
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sine[i].right = sine[i].left;
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}
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for (i = 0; i < SQUARE_FRAMES; ++i) {
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square[i].left = (i % (unsigned) (sr / hz)) < 50 ? 32767 : -32768;
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square[i].right = square[i].left;
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}
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for (i = 0; i < SAWTOOTH_FRAMES; ++i) {
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sawtooth[i].left = ((((int) (i % (unsigned) (sr / hz))) - 50) / 100.0) * 60000.0 - 30000.0;
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sawtooth[i].right = sawtooth[i].left;
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}
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for (i = 0; i < HALF_FRAMES; ++i) {
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half[i].left = sine[i].left;
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half[i].right = sawtooth[i].right / 2;
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}
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set_conio_terminal_mode();
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int in_count = 0;
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uintptr_t count = 0;
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for (;;) {
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usleep(10000);
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if (kbhit()) {
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frame_t *buffer;
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unsigned size;
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BufferQueueState bufqstate;
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int ch = getch();
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switch (ch) {
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case '0' ... '9':
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if (in_count) {
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count = count * 10 + (ch - '0');
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} else {
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count = ch - '0';
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in_count = 1;
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}
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continue;
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case 'i':
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buffer = sine;
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size = sizeof(sine);
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goto enqueue;
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case 'q':
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buffer = square;
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size = sizeof(square);
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goto enqueue;
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case 'h':
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buffer = half;
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size = sizeof(half);
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goto enqueue;
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case 'r':
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if (in_count) {
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expectedCaller = playerBufferqueue;
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expectedContext = (void *) count;
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} else {
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expectedCaller = NULL;
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expectedContext = (void *) NULL;
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}
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result = (*playerBufferqueue)->RegisterCallback(playerBufferqueue, in_count ?
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callback : NULL, expectedContext);
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checkResult(result);
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break;
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case 'a':
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buffer = sawtooth;
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size = sizeof(sawtooth);
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enqueue:
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for (i = 0; i < (in_count ? count : 1); ++i) {
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result = (*playerBufferqueue)->Enqueue(playerBufferqueue, buffer, size);
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checkResult(result);
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}
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break;
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case 'c':
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result = (*playerBufferqueue)->Clear(playerBufferqueue);
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checkResult(result);
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putchar('\r');
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result = (*playerBufferqueue)->GetState(playerBufferqueue, &bufqstate);
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checkResult(result);
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if (bufqstate.count != 0)
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printf("\rcount=%u\r\n", (unsigned) bufqstate.count);
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#if 0
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putchar('\r');
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putchar('\n');
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#endif
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fflush(stdout);
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break;
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case 'g':
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result = (*playerBufferqueue)->GetState(playerBufferqueue, &bufqstate);
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checkResult(result);
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printf("\rplayIndex=%u\r\n", (unsigned) bufqstate.INDEX);
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printf("count=%u\r\n", (unsigned) bufqstate.count);
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break;
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case 'p':
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state = SL_PLAYSTATE_PAUSED;
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goto setplaystate;
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case 's':
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state = SL_PLAYSTATE_STOPPED;
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goto setplaystate;
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case 'P':
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state = SL_PLAYSTATE_PLAYING;
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setplaystate:
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result = (*playerPlay)->SetPlayState(playerPlay, state);
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checkResult(result);
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SLuint32 newstate;
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result = (*playerPlay)->GetPlayState(playerPlay, &newstate);
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checkResult(result);
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if (newstate != state)
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printf("\rSetPlayState(%u) -> GetPlayState(%u)\r\n", (unsigned) state,
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(unsigned) newstate);
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#if 0
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putchar('\r');
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putchar('\n');
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fflush(stdout);
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#endif
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checkResult(result);
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break;
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case 'x':
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goto out;
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default:
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putchar('?');
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fflush(stdout);
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break;
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}
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in_count = 0;
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}
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}
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out:
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(*playerObject)->Destroy(playerObject);
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(*outputmixObject)->Destroy(outputmixObject);
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(*engineObject)->Destroy(engineObject);
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return EXIT_SUCCESS;
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}
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