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More tests...
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parent
138dbc54d8
commit
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1 changed files with 62 additions and 2 deletions
64
test/pcm.c
64
test/pcm.c
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@ -2,6 +2,8 @@
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#include <string.h>
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#include "../include/asoundlib.h"
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#define BUFFER_SIZE 800000
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static char *xitoa( int aaa )
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{
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static char str[12];
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@ -10,10 +12,26 @@ static char *xitoa( int aaa )
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return str;
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}
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void setformat( void *phandle, void *rhandle )
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{
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int err;
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snd_pcm_format_t format;
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format.format = SND_PCM_SFMT_S16_LE;
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format.channels = 2;
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format.rate = 22050;
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if ( (err = snd_pcm_playback_format( phandle, &format )) < 0 ) {
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printf( "Playback format error: %s\n", snd_strerror( err ) );
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}
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if ( (err = snd_pcm_record_format( rhandle, &format )) < 0 ) {
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printf( "Record format error: %s\n", snd_strerror( err ) );
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}
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}
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void method1( void )
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{
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void *phandle, *rhandle;
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char buffer[80000];
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char buffer[BUFFER_SIZE];
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int err;
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if ( (err = snd_pcm_open( &phandle, 0, 0, SND_PCM_OPEN_PLAYBACK )) < 0 ) {
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@ -24,6 +42,7 @@ void method1( void )
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printf( "Record open error: %s\n", snd_strerror( err ) );
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return;
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}
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setformat( phandle, rhandle );
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printf( "Recording... " ); fflush( stdout );
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if ( (err = snd_pcm_read( rhandle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
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printf( "Read error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
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@ -45,7 +64,7 @@ void method1( void )
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void method2( void )
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{
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void *phandle, *rhandle;
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char buffer[80000];
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char buffer[BUFFER_SIZE];
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int err;
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if ( (err = snd_pcm_open( &phandle, 0, 0, SND_PCM_OPEN_PLAYBACK )) < 0 ) {
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@ -56,6 +75,7 @@ void method2( void )
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printf( "Record open error: %s\n", snd_strerror( err ) );
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return;
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}
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setformat( phandle, rhandle );
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printf( "Recording... " ); fflush( stdout );
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if ( (err = snd_pcm_read( rhandle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
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printf( "Read error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
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@ -84,10 +104,50 @@ void method2( void )
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printf( "Record close...\n" );
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}
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void method3( void )
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{
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void *handle;
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char buffer[BUFFER_SIZE];
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int err;
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if ( (err = snd_pcm_open( &handle, 0, 0, SND_PCM_OPEN_DUPLEX )) < 0 ) {
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printf( "Duplex open error: %s\n", snd_strerror( err ) );
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return;
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}
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setformat( handle, handle );
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printf( "Recording... " ); fflush( stdout );
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if ( (err = snd_pcm_read( handle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
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printf( "Read error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
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return;
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}
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printf( "done...\n" );
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if ( (err = snd_pcm_flush_record( handle )) < 0 ) {
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printf( "Record flush error: %s\n", snd_strerror( err ) );
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return;
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}
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printf( "Record flush done...\n" );
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printf( "Playback... " ); fflush( stdout );
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if ( (err = snd_pcm_write( handle, buffer, sizeof( buffer ) )) != sizeof( buffer ) ) {
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printf( "Write error: %s\n", err < 0 ? snd_strerror( err ) : xitoa( err ) );
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return;
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}
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printf( "done...\n" );
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if ( (err = snd_pcm_flush_playback( handle )) < 0 ) {
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printf( "Playback flush error: %s\n", snd_strerror( err ) );
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return;
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}
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printf( "Playback flush done...\n" );
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snd_pcm_close( handle );
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printf( "Close...\n" );
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}
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void main( void )
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{
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printf( ">>>>> METHOD 1\n" );
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method1();
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printf( ">>>>> METHOD 2\n" );
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method2();
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printf( ">>>>> METHOD 3\n" );
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method3();
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}
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