bool wxSoundBackendOSS::Play(wxSoundData *data, unsigned flags,
volatile wxSoundPlaybackStatus *status)
{
int dev = OpenDSP(data);
if (dev < 0)
return false;
ioctl(dev, SNDCTL_DSP_SYNC, 0);
do
{
bool play = true;
int i;
unsigned l = 0;
size_t datasize = data->m_dataBytes;
do
{
if (status->m_stopRequested)
{
wxLogTrace(_T("sound"), _T("playback stopped"));
close(dev);
return true;
}
i= (int)((l + m_DSPblkSize) < datasize ?
m_DSPblkSize : (datasize - l));
if (write(dev, &data->m_data[l], i) != i)
{
play = false;
}
l += i;
} while (play && l < datasize);
} while (flags & wxSOUND_LOOP);
close(dev);
return true;
}
/*
* Play a series of WAV files:
*/
int wavplay(char *pathname)
{
#if 0
const char *Pathname; /* Pathname of the open WAV file */
if ( (Pathname = *argv) == NULL )
Pathname = "-"; /* Standard input */
else
Pathname = *(++argv); /* Point to first pathname on command line */
#endif
// printf("wavplay Pathname:\t%s\n",pathname);
/*
* Play each Pathname:
*/
//do
//{
/*
* Open the wav file for read, unless its stdin:
*/
if ( (g_wfile = WavOpenForRead(pathname)) == NULL )
goto errxit;
// printf("after wavopenforread\n");
/*
* Report the file details, unless in quiet mode:
*/
//printf("Device:\t\t%s\n",env_AUDIODEV);
// printf("Sampling Rate:\t%lu Hz\n",(unsigned long)g_wfile->wavinfo.SamplingRate);
// printf("Mode:\t\t%s\n",g_wfile->wavinfo.Channels == Mono ? "Mono" : "Stereo");
// printf("Samples:\t%lu\n",(unsigned long)g_wfile->wavinfo.Samples);
// printf("Bits:\t\t%u\n\n",(unsigned)g_wfile->wavinfo.DataBits);
/*
* If not -i mode, play the file:
*/
if ( (g_dfile = OpenDSP(g_wfile,O_RDWR)) == NULL )
goto errxit;
// printf("after opendsp\n");
if ( PlayDSP(g_dfile,g_wfile) )
goto errxit;
// printf("after playdsp*****\n");
if ( CloseDSP(g_dfile) )
{ /* Close /dev/dsp */
g_dfile = NULL; /* Mark it as closed */
goto errxit;
}
// printf("after close dsp\n");
g_dfile = NULL;
/* Mark it as closed */
if ( WavClose(g_wfile) ) /* Close the wav file */
g_wfile = NULL; /* Mark the file as closed */
g_wfile = NULL; /* Mark the file as closed */
// printf("after end playwav\n");
//} while ( (Pathname = *++argv) != NULL );
return 0;
/*
* Error exit:
*/
errxit:
// printf("error exit playwav\n");
if ( g_wfile != NULL )
WavClose(g_wfile);
// printf("error wavclose\n");
if ( g_dfile != NULL )
CloseDSP(g_dfile);
// printf("error CloseDSP\n");
return -1;
}
int wavplay(char *argv,ErrFunc erf) {
WavPlayOpts wavopts;
WAVFILE *wfile; /* Opened wav file */
DSPFILE *dfile = NULL; /* Opened /dev/dsp device */
const char *Pathname; /* Pathname of the open WAV file */
int e; /* Saved error code */
memset(&wavopts,0,sizeof wavopts); /* Zero this structure */
wavopts.IPCKey = 0; /* Default IPC Key for lock */
/*/ wavopts.Mode = getOprMode(argv[0],&cmd_name,&clntIPC);*/
wavopts.Channels.optChar = 0;
wavopts.ipc = -1; /* Semaphore ipc ID */
wavopts.DataBits.optValue = 16; /* Default to 16 bits */
wavopts.Channels.optValue = Stereo;
wavopts.SamplingRate.optValue = 8000;
if ( erf != NULL ) /* If called from external module.. */
v_erf = erf; /* ..set error reporting function */
Pathname = argv;
/*
fprintf(stdout,"Playing WAV file %s \n",Pathname);
fprintf(stdout, "AUDIODEV : %s : \n",AUDIODEV);
fprintf(stdout, "WAVPLAYPATH : %s : \n",WAVPLAYPATH);
fprintf(stdout, "WAVPLAYPATH : % : \n", AUDIOLCK);
*/
/*
* Open the wav file for read, unless its stdin:
*/
if ( (wfile = WavOpenForRead(Pathname,v_erf)) == NULL )
goto errxit;
/*
* Merge in command line option overrides:
*/
WavReadOverrides(wfile,&wavopts);
if ( !wavopts.bInfoMode ) {
/*
* If not -i mode, play the file:
*/
if ( (dfile = OpenDSP(wfile,O_WRONLY,v_erf)) == NULL )
goto errxit;
if ( PlayDSP(dfile,wfile,NULL,v_erf) )
goto errxit;
if ( CloseDSP(dfile,v_erf) ) { /* Close /dev/dsp */
dfile = NULL; /* Mark it as closed */
goto errxit;
}
}
dfile = NULL; /* Mark it as closed */
if ( WavClose(wfile,v_erf) ) /* Close the wav file */
wfile = NULL; /* Mark the file as closed */
wfile = NULL; /* Mark the file as closed */
return 0;
/*
* Error exit:
*/
errxit: e = errno; /* Save errno value */
fprintf(stdout, "error %s : \n",sys_errlist[errno]);
if ( wfile != NULL )
WavClose(wfile,NULL); /* Don't report errors here */
if ( dfile != NULL )
CloseDSP(dfile,NULL); /* Don't report errors here */
errno = e; /* Restore error code */
return -1;
}
