mirror of
https://github.com/alsa-project/alsa-lib.git
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Coding style..
This commit is contained in:
Jaroslav Kysela
parent
d9087a8773
commit
fb1938d29f
6 changed files with 569 additions and 553 deletions
266
test/pcm.c
266
test/pcm.c
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@ -4,151 +4,157 @@
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#define BUFFER_SIZE 800000
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static char *xitoa( int aaa )
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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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sprintf( str, "%i", aaa );
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return str;
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static char str[12];
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sprintf(str, "%i", 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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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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bzero(&format, sizeof(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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int err;
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snd_pcm_format_t format;
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bzero(&format, sizeof(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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void method1(void)
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{
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void *phandle, *rhandle;
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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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printf( "Playback open error: %s\n", snd_strerror( err ) );
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return;
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}
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if ( (err = snd_pcm_open( &rhandle, 0, 0, SND_PCM_OPEN_RECORD )) < 0 ) {
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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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return;
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}
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printf( "done...\n" );
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printf( "Playback... " ); fflush( stdout );
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if ( (err = snd_pcm_write( phandle, 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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snd_pcm_close( phandle );
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printf( "Playback close...\n" );
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snd_pcm_close( rhandle );
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printf( "Record close...\n" );
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void *phandle, *rhandle;
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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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printf("Playback open error: %s\n", snd_strerror(err));
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return;
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}
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if ((err = snd_pcm_open(&rhandle, 0, 0, SND_PCM_OPEN_RECORD)) < 0) {
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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... ");
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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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return;
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}
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printf("done...\n");
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printf("Playback... ");
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fflush(stdout);
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if ((err = snd_pcm_write(phandle, 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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snd_pcm_close(phandle);
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printf("Playback close...\n");
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snd_pcm_close(rhandle);
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printf("Record close...\n");
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}
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void method2( 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[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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printf( "Playback open error: %s\n", snd_strerror( err ) );
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return;
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}
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if ( (err = snd_pcm_open( &rhandle, 0, 0, SND_PCM_OPEN_RECORD )) < 0 ) {
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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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return;
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}
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printf( "done...\n" );
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if ( (err = snd_pcm_flush_record( rhandle )) < 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( phandle, 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( phandle )) < 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( phandle );
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printf( "Playback close...\n" );
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snd_pcm_close( rhandle );
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printf( "Record close...\n" );
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void *phandle, *rhandle;
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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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printf("Playback open error: %s\n", snd_strerror(err));
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return;
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}
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if ((err = snd_pcm_open(&rhandle, 0, 0, SND_PCM_OPEN_RECORD)) < 0) {
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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... ");
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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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return;
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}
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printf("done...\n");
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if ((err = snd_pcm_flush_record(rhandle)) < 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... ");
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fflush(stdout);
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if ((err = snd_pcm_write(phandle, 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(phandle)) < 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(phandle);
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printf("Playback close...\n");
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snd_pcm_close(rhandle);
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printf("Record close...\n");
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}
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void method3( void )
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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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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... ");
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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... ");
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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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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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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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