From a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 Mon Sep 17 00:00:00 2001 From: sanine Date: Sat, 27 Aug 2022 23:52:56 -0500 Subject: add plibsys --- portaudio/examples/paex_wmme_ac3.c | 220 ------------------------------------- 1 file changed, 220 deletions(-) delete mode 100644 portaudio/examples/paex_wmme_ac3.c (limited to 'portaudio/examples/paex_wmme_ac3.c') diff --git a/portaudio/examples/paex_wmme_ac3.c b/portaudio/examples/paex_wmme_ac3.c deleted file mode 100644 index 74daa96..0000000 --- a/portaudio/examples/paex_wmme_ac3.c +++ /dev/null @@ -1,220 +0,0 @@ -/** @file paex_wmme_ac3.c - @ingroup examples_src - @brief Use WMME-specific interface to send raw AC3 data to a S/PDIF output. - @author Ross Bencina -*/ -/* - * $Id: $ - * Portable Audio I/O Library - * Windows MME ac3 sound output test - * - * Copyright (c) 2009 Ross Bencina - * - * 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 /* required when using pa_win_wmme.h */ -#include /* required when using pa_win_wmme.h */ - -#include "portaudio.h" -#include "pa_win_wmme.h" - -#define NUM_SECONDS (20) -#define SAMPLE_RATE (48000) -#define FRAMES_PER_BUFFER (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (100) - -#define CHANNEL_COUNT (2) - - - -typedef struct -{ - short *buffer; - int bufferSampleCount; - int playbackIndex; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - short *out = (short*)outputBuffer; - unsigned long i,j; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - /* stream out contents of data->buffer looping at end */ - - for( i=0; ibuffer[ data->playbackIndex++ ]; - - if( data->playbackIndex >= data->bufferSampleCount ) - data->playbackIndex = 0; /* loop at end of buffer */ - } - } - - return paContinue; -} - -/*******************************************************************/ -int main(int argc, char* argv[]) -{ - PaStreamParameters outputParameters; - PaWinMmeStreamInfo wmmeStreamInfo; - PaStream *stream; - PaError err; - paTestData data; - int deviceIndex; - FILE *fp; - const char *fileName = "c:\\test_48k.ac3.spdif"; - data.buffer = NULL; - - printf("usage: patest_wmme_ac3 fileName [paDeviceIndex]\n"); - printf("**IMPORTANT*** The provided file must include the spdif preamble at the start of every AC-3 frame. Using a normal ac3 file won't work.\n"); - printf("PortAudio Test: output a raw spdif ac3 stream. SR = %d, BufSize = %d, Chans = %d\n", - SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT); - - - if( argc >= 2 ) - fileName = argv[1]; - - printf( "reading spdif ac3 raw stream file %s\n", fileName ); - - fp = fopen( fileName, "rb" ); - if( !fp ){ - fprintf( stderr, "error opening spdif ac3 file.\n" ); - return -1; - } - /* get file size */ - fseek( fp, 0, SEEK_END ); - data.bufferSampleCount = ftell( fp ) / sizeof(short); - fseek( fp, 0, SEEK_SET ); - - /* allocate buffer, read the whole file into memory */ - data.buffer = (short*)malloc( data.bufferSampleCount * sizeof(short) ); - if( !data.buffer ){ - fprintf( stderr, "error allocating buffer.\n" ); - return -1; - } - - fread( data.buffer, sizeof(short), data.bufferSampleCount, fp ); - fclose( fp ); - - data.playbackIndex = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paMME ) )->defaultOutputDevice; - if( argc >= 3 ){ - sscanf( argv[1], "%d", &deviceIndex ); - } - - printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name ); - - - outputParameters.device = deviceIndex; - outputParameters.channelCount = CHANNEL_COUNT; - outputParameters.sampleFormat = paInt16; /* IMPORTANT must use paInt16 for WMME AC3 */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo); - wmmeStreamInfo.hostApiType = paMME; - wmmeStreamInfo.version = 1; - wmmeStreamInfo.flags = paWinMmeWaveFormatDolbyAc3Spdif; - outputParameters.hostApiSpecificStreamInfo = &wmmeStreamInfo; - - - if( Pa_IsFormatSupported( 0, &outputParameters, SAMPLE_RATE ) == paFormatIsSupported ){ - printf( "Pa_IsFormatSupported reports device will support %d channels.\n", CHANNEL_COUNT ); - }else{ - printf( "Pa_IsFormatSupported reports device will not support %d channels.\n", CHANNEL_COUNT ); - } - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - 0, - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - free( data.buffer ); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - free( data.buffer ); - - 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 ) ); - return err; -} -- cgit v1.2.1