From a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 Mon Sep 17 00:00:00 2001 From: sanine Date: Sat, 27 Aug 2022 23:52:56 -0500 Subject: add plibsys --- portaudio/pablio/test_rw_echo.c | 129 ---------------------------------------- 1 file changed, 129 deletions(-) delete mode 100644 portaudio/pablio/test_rw_echo.c (limited to 'portaudio/pablio/test_rw_echo.c') diff --git a/portaudio/pablio/test_rw_echo.c b/portaudio/pablio/test_rw_echo.c deleted file mode 100644 index 431587c..0000000 --- a/portaudio/pablio/test_rw_echo.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * $Id$ - * test_rw_echo.c - * Echo delayed input to output. - * - * Author: Phil Burk, http://www.softsynth.com/portaudio/ - * - * This program uses PABLIO, the Portable Audio Blocking I/O Library. - * PABLIO is built on top of PortAudio, the Portable Audio Library. - * - * Note that if you need low latency, you should not use PABLIO. - * Use the PA_OpenStream callback technique which is lower level - * than PABLIO. - * - * 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 -#include -#include -#include "pablio.h" -#include - -/* -** Note that many of the older ISA sound cards on PCs do NOT support -** full duplex audio (simultaneous record and playback). -** And some only support full duplex at lower sample rates. -*/ -#define SAMPLE_RATE (22050) -#define NUM_SECONDS (20) -#define SAMPLES_PER_FRAME (2) - -/* Select whether we will use floats or shorts. */ -#if 1 -#define SAMPLE_TYPE paFloat32 -typedef float SAMPLE; -#else -#define SAMPLE_TYPE paInt16 -typedef short SAMPLE; -#endif - -#define NUM_ECHO_FRAMES (2*SAMPLE_RATE) -SAMPLE samples[NUM_ECHO_FRAMES][SAMPLES_PER_FRAME] = {0.0}; - -/*******************************************************************/ -int main(void); -int main(void) -{ - int i; - PaError err; - PABLIO_Stream *aInStream; - PABLIO_Stream *aOutStream; - int index; - - printf("Full duplex sound test using PABLIO\n"); - fflush(stdout); - - /* Open simplified blocking I/O layer on top of PortAudio. */ - /* Open input first so it can start to fill buffers. */ - err = OpenAudioStream( &aInStream, SAMPLE_RATE, SAMPLE_TYPE, - (PABLIO_READ | PABLIO_STEREO) ); - if( err != paNoError ) goto error; - /* printf("opened input\n"); fflush(stdout); /**/ - - err = OpenAudioStream( &aOutStream, SAMPLE_RATE, SAMPLE_TYPE, - (PABLIO_WRITE | PABLIO_STEREO) ); - if( err != paNoError ) goto error; - /* printf("opened output\n"); fflush(stdout); /**/ - - /* Process samples in the foreground. */ - index = 0; - for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i++ ) - { - /* Write old frame of data to output. */ - /* samples[index][1] = (i&256) * (1.0f/256.0f); /* sawtooth */ - WriteAudioStream( aOutStream, &samples[index][0], 1 ); - - /* Read one frame of data into sample array for later output. */ - ReadAudioStream( aInStream, &samples[index][0], 1 ); - index += 1; - if( index >= NUM_ECHO_FRAMES ) index = 0; - - if( (i & 0xFFFF) == 0 ) printf("i = %d\n", i ); fflush(stdout); /**/ - } - - CloseAudioStream( aOutStream ); - CloseAudioStream( aInStream ); - - printf("R/W echo sound test complete.\n" ); - fflush(stdout); - return 0; - -error: - fprintf( stderr, "An error occurred while using PortAudio\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return -1; -} -- cgit v1.2.1