diff options
author | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
commit | a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch) | |
tree | 13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /portaudio/test/patest_unplug.c | |
parent | bde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff) |
add plibsys
Diffstat (limited to 'portaudio/test/patest_unplug.c')
-rw-r--r-- | portaudio/test/patest_unplug.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/portaudio/test/patest_unplug.c b/portaudio/test/patest_unplug.c deleted file mode 100644 index 0e4486e..0000000 --- a/portaudio/test/patest_unplug.c +++ /dev/null @@ -1,243 +0,0 @@ -/** @file patest_unplug.c - @ingroup test_src - @brief Debug a crash involving unplugging a USB device. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <memory.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (8) -#define SAMPLE_RATE (44100) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) -#define FRAMES_PER_BUFFER (64) -#define MAX_CHANNELS (8) - -typedef struct -{ - short sine[TABLE_SIZE]; - int32_t phases[MAX_CHANNELS]; - int32_t numChannels; - int32_t sampsToGo; -} -paTestData; - - -static int inputCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - int finished = 0; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - (void) outputBuffer; /* Prevent "unused variable" warnings. */ - - data->sampsToGo -= framesPerBuffer; - if (data->sampsToGo <= 0) - { - data->sampsToGo = 0; - finished = 1; - } - return finished; -} - -static int outputCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - short *out = (short*)outputBuffer; - unsigned int i; - int finished = 0; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - - for( i=0; i<framesPerBuffer; i++ ) - { - for (int channelIndex = 0; channelIndex < data->numChannels; channelIndex++) - { - int phase = data->phases[channelIndex]; - *out++ = data->sine[phase]; - phase += channelIndex + 2; - if( phase >= TABLE_SIZE ) phase -= TABLE_SIZE; - data->phases[channelIndex] = phase; - } - } - return finished; -} - -/*******************************************************************/ -int main(int argc, char **args); -int main(int argc, char **args) -{ - PaStreamParameters inputParameters; - PaStreamParameters outputParameters; - PaStream *inputStream; - PaStream *outputStream; - const PaDeviceInfo *deviceInfo; - PaError err; - paTestData data; - int i; - int totalSamps; - int inputDevice = -1; - int outputDevice = -1; - - printf("Test unplugging a USB device.\n"); - - if( argc > 1 ) { - inputDevice = outputDevice = atoi( args[1] ); - printf("Using device number %d.\n\n", inputDevice ); - } else { - printf("Using default device.\n\n" ); - } - - memset(&data, 0, sizeof(data)); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )); - } - data.numChannels = 2; - data.sampsToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - if( inputDevice == -1 ) - inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */ - else - inputParameters.device = inputDevice ; - - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device.\n"); - goto error; - } - - if( outputDevice == -1 ) - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - else - outputParameters.device = outputDevice ; - - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - - inputParameters.channelCount = 2; - inputParameters.sampleFormat = paInt16; - deviceInfo = Pa_GetDeviceInfo( inputParameters.device ); - if( deviceInfo == NULL ) - { - fprintf( stderr, "No matching input device.\n" ); - goto error; - } - inputParameters.suggestedLatency = deviceInfo->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &inputStream, - &inputParameters, - NULL, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - 0, - inputCallback, - &data ); - if( err != paNoError ) goto error; - - outputParameters.channelCount = 2; - outputParameters.sampleFormat = paInt16; - deviceInfo = Pa_GetDeviceInfo( outputParameters.device ); - if( deviceInfo == NULL ) - { - fprintf( stderr, "No matching output device.\n" ); - goto error; - } - outputParameters.suggestedLatency = deviceInfo->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &outputStream, - NULL, - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - (paClipOff | paDitherOff), - outputCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( inputStream ); - if( err != paNoError ) goto error; - err = Pa_StartStream( outputStream ); - if( err != paNoError ) goto error; - - printf("When you hear sound, unplug the USB device.\n"); - do - { - Pa_Sleep(500); - printf("Frames remaining = %d\n", data.sampsToGo); - printf("Pa_IsStreamActive(inputStream) = %d\n", Pa_IsStreamActive(inputStream)); - printf("Pa_IsStreamActive(outputStream) = %d\n", Pa_IsStreamActive(outputStream)); - } while( Pa_IsStreamActive(inputStream) && Pa_IsStreamActive(outputStream) ); - - err = Pa_CloseStream( inputStream ); - if( err != paNoError ) goto error; - err = Pa_CloseStream( outputStream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - return paNoError; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - fprintf( stderr, "Host Error message: %s\n", Pa_GetLastHostErrorInfo()->errorText ); - return err; -} |