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Initial version...

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This commit is contained in:
Jaroslav Kysela 1998-09-15 09:28:50 +00:00
parent 85479942ac
commit f2bb7cec37
1 changed files with 93 additions and 0 deletions
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test/pcm.c Normal file
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#include <stdio.h>
#include <string.h>
#include "../include/asoundlib.h"
static char *xitoa( int aaa )
{
static char str[12];
sprintf( str, "%i", aaa );
return str;
}
void method1( void )
{
void *phandle, *rhandle;
char buffer[80000];
int err;
if ( (err = snd_pcm_open( &phandle, 0, 0, SND_PCM_OPEN_PLAYBACK )) < 0 ) {
printf( "Playback open error: %s\n", snd_strerror( err ) );
return;
}
if ( (err = snd_pcm_open( &rhandle, 0, 0, SND_PCM_OPEN_RECORD )) < 0 ) {
printf( "Record open error: %s\n", snd_strerror( err ) );
return;
}
printf( "Recording... " ); fflush( stdout );
if ( (err = snd_pcm_read( rhandle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
printf( "Read error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
return;
}
printf( "done...\n" );
printf( "Playback... " ); fflush( stdout );
if ( (err = snd_pcm_write( phandle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
printf( "Write error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
return;
}
printf( "done...\n" );
snd_pcm_close( phandle );
printf( "Playback close...\n" );
snd_pcm_close( rhandle );
printf( "Record close...\n" );
}
void method2( void )
{
void *phandle, *rhandle;
char buffer[80000];
int err;
if ( (err = snd_pcm_open( &phandle, 0, 0, SND_PCM_OPEN_PLAYBACK )) < 0 ) {
printf( "Playback open error: %s\n", snd_strerror( err ) );
return;
}
if ( (err = snd_pcm_open( &rhandle, 0, 0, SND_PCM_OPEN_RECORD )) < 0 ) {
printf( "Record open error: %s\n", snd_strerror( err ) );
return;
}
printf( "Recording... " ); fflush( stdout );
if ( (err = snd_pcm_read( rhandle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
printf( "Read error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
return;
}
printf( "done...\n" );
if ( (err = snd_pcm_flush_record( rhandle )) < 0 ) {
printf( "Record flush error: %s\n", snd_strerror( err ) );
return;
}
printf( "Record flush done...\n" );
printf( "Playback... " ); fflush( stdout );
if ( (err = snd_pcm_write( phandle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
printf( "Write error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
return;
}
printf( "done...\n" );
if ( (err = snd_pcm_flush_playback( phandle )) < 0 ) {
printf( "Playback flush error: %s\n", snd_strerror( err ) );
return;
}
printf( "Playback flush done...\n" );
snd_pcm_close( phandle );
printf( "Playback close...\n" );
snd_pcm_close( rhandle );
printf( "Record close...\n" );
}
void main( void )
{
printf( ">>>>> METHOD 1\n" );
method1();
printf( ">>>>> METHOD 2\n" );
method2();
}