/* open audio using whatever parameters were last used */
void sys_reopen_audio( void)
{
int naudioindev, audioindev[MAXAUDIOINDEV], chindev[MAXAUDIOINDEV];
int naudiooutdev, audiooutdev[MAXAUDIOOUTDEV], choutdev[MAXAUDIOOUTDEV];
int rate, advance, callback, blocksize, outcome = 0;
sys_get_audio_params(&naudioindev, audioindev, chindev,
&naudiooutdev, audiooutdev, choutdev, &rate, &advance, &callback,
&blocksize);
sys_setchsr(audio_nextinchans, audio_nextoutchans, rate);
if (!naudioindev && !naudiooutdev)
{
sched_set_using_audio(SCHED_AUDIO_NONE);
return;
}
#ifdef USEAPI_PORTAUDIO
if (sys_audioapi == API_PORTAUDIO)
{
int blksize = (audio_blocksize ? audio_blocksize : 64);
if (sys_verbose)
fprintf(stderr, "blksize %d, advance %d\n", blksize, sys_advance_samples/blksize);
outcome = pa_open_audio((naudioindev > 0 ? chindev[0] : 0),
(naudiooutdev > 0 ? choutdev[0] : 0), rate, STUFF->st_soundin,
STUFF->st_soundout, blksize, sys_advance_samples/blksize,
(naudioindev > 0 ? audioindev[0] : 0),
(naudiooutdev > 0 ? audiooutdev[0] : 0),
(callback ? sched_audio_callbackfn : 0));
}
else
#endif
#ifdef USEAPI_JACK
if (sys_audioapi == API_JACK)
outcome = jack_open_audio((naudioindev > 0 ? chindev[0] : 0),
(naudiooutdev > 0 ? choutdev[0] : 0), rate,
(callback ? sched_audio_callbackfn : 0));
else
#endif
#ifdef USEAPI_OSS
if (sys_audioapi == API_OSS)
outcome = oss_open_audio(naudioindev, audioindev, naudioindev,
chindev, naudiooutdev, audiooutdev, naudiooutdev, choutdev, rate,
audio_blocksize);
else
#endif
#ifdef USEAPI_ALSA
/* for alsa, only one device is supported; it may
be open for both input and output. */
if (sys_audioapi == API_ALSA)
outcome = alsa_open_audio(naudioindev, audioindev, naudioindev,
chindev, naudiooutdev, audiooutdev, naudiooutdev, choutdev, rate,
audio_blocksize);
else
#endif
#ifdef USEAPI_MMIO
if (sys_audioapi == API_MMIO)
outcome = mmio_open_audio(naudioindev, audioindev, naudioindev,
chindev, naudiooutdev, audiooutdev, naudiooutdev, choutdev, rate,
audio_blocksize);
else
#endif
#ifdef USEAPI_AUDIOUNIT
if (sys_audioapi == API_AUDIOUNIT)
outcome = audiounit_open_audio((naudioindev > 0 ? chindev[0] : 0),
(naudioindev > 0 ? choutdev[0] : 0), rate);
else
#endif
#ifdef USEAPI_ESD
if (sys_audioapi == API_ALSA)
outcome = esd_open_audio(naudioindev, audioindev, naudioindev,
chindev, naudiooutdev, audiooutdev, naudiooutdev, choutdev, rate);
else
#endif
#ifdef USEAPI_DUMMY
if (sys_audioapi == API_DUMMY)
outcome = dummy_open_audio(naudioindev, naudiooutdev, rate);
else
#endif
if (sys_audioapi == API_NONE)
;
else post("unknown audio API specified");
if (outcome) /* failed */
{
audio_state = 0;
sched_set_using_audio(SCHED_AUDIO_NONE);
sys_audioapiopened = -1;
audio_callback_is_open = 0;
}
else
{
/* fprintf(stderr, "started w/callback %d\n", callback); */
audio_state = 1;
sched_set_using_audio(
(callback ? SCHED_AUDIO_CALLBACK : SCHED_AUDIO_POLL));
sys_audioapiopened = sys_audioapi;
audio_callback_is_open = callback;
}
sys_vgui("set pd_whichapi %d\n", (outcome == 0 ? sys_audioapi : 0));
}
void sys_open_audio(int naudioindev, int *audioindev, int nchindev,
int *chindev, int naudiooutdev, int *audiooutdev, int nchoutdev,
int *choutdev, int rate, int advance, int enable)
{
#ifdef ROCKBOX
int i;
#else
int i, *ip;
#endif
int defaultchannels = SYS_DEFAULTCH;
int inchans, outchans;
if (rate < 1)
rate = SYS_DEFAULTSRATE;
#ifdef ROCKBOX
pd_audio_init();
#else
audio_init();
#endif
/* Since the channel vector might be longer than the
audio device vector, or vice versa, we fill the shorter one
in to match the longer one. Also, if both are empty, we fill in
one device (the default) and two channels. */
if (naudioindev == -1)
{ /* no input audio devices specified */
if (nchindev == -1)
{
nchindev=1;
chindev[0] = defaultchannels;
naudioindev = 1;
audioindev[0] = DEFAULTAUDIODEV;
}
else
{
for (i = 0; i < MAXAUDIOINDEV; i++)
audioindev[i] = i;
naudioindev = nchindev;
}
}
else
{
if (nchindev == -1)
{
nchindev = naudioindev;
for (i = 0; i < naudioindev; i++)
chindev[i] = defaultchannels;
}
else if (nchindev > naudioindev)
{
for (i = naudioindev; i < nchindev; i++)
{
if (i == 0)
audioindev[0] = DEFAULTAUDIODEV;
else audioindev[i] = audioindev[i-1] + 1;
}
naudioindev = nchindev;
}
else if (nchindev < naudioindev)
{
for (i = nchindev; i < naudioindev; i++)
{
if (i == 0)
chindev[0] = defaultchannels;
else chindev[i] = chindev[i-1];
}
naudioindev = nchindev;
}
}
if (naudiooutdev == -1)
{ /* not set */
if (nchoutdev == -1)
{
nchoutdev=1;
choutdev[0]=defaultchannels;
naudiooutdev=1;
audiooutdev[0] = DEFAULTAUDIODEV;
}
else
{
for (i = 0; i < MAXAUDIOOUTDEV; i++)
audiooutdev[i] = i;
naudiooutdev = nchoutdev;
}
}
else
{
if (nchoutdev == -1)
{
nchoutdev = naudiooutdev;
for (i = 0; i < naudiooutdev; i++)
choutdev[i] = defaultchannels;
}
else if (nchoutdev > naudiooutdev)
{
for (i = naudiooutdev; i < nchoutdev; i++)
{
if (i == 0)
audiooutdev[0] = DEFAULTAUDIODEV;
else audiooutdev[i] = audiooutdev[i-1] + 1;
}
naudiooutdev = nchoutdev;
}
else if (nchoutdev < naudiooutdev)
{
for (i = nchoutdev; i < naudiooutdev; i++)
{
if (i == 0)
choutdev[0] = defaultchannels;
else choutdev[i] = choutdev[i-1];
}
naudiooutdev = nchoutdev;
}
}
/* count total number of input and output channels */
for (i = inchans = 0; i < naudioindev; i++)
inchans += chindev[i];
for (i = outchans = 0; i < naudiooutdev; i++)
outchans += choutdev[i];
/* if no input or output devices seem to have been specified,
this really means just disable audio, which we now do. Meanwhile,
we can set audio input and output devices to their defaults. */
if (!inchans && !outchans)
{
enable = 0;
naudioindev = nchindev = naudiooutdev = nchoutdev = 1;
audioindev[0] = audiooutdev[0] = DEFAULTAUDIODEV;
chindev[0] = choutdev[0] = 0;
}
sys_schedadvance = advance * 1000;
sys_setchsr(inchans, outchans, rate);
sys_log_error(ERR_NOTHING);
if (enable && (inchans > 0 || outchans > 0))
{
#ifdef USEAPI_PORTAUDIO
if (sys_audioapi == API_PORTAUDIO)
{
int blksize = (sys_blocksize ? sys_blocksize : 64);
pa_open_audio(inchans, outchans, rate, sys_soundin, sys_soundout,
blksize, sys_advance_samples/blksize,
(naudiooutdev > 0 ? audioindev[0] : 0),
(naudiooutdev > 0 ? audiooutdev[0] : 0));
}
else
#endif
#ifdef USEAPI_JACK
if (sys_audioapi == API_JACK)
jack_open_audio((naudioindev > 0 ? chindev[0] : 0),
(naudiooutdev > 0 ? choutdev[0] : 0), rate);
else
#endif
#ifdef USEAPI_OSS
if (sys_audioapi == API_OSS)
oss_open_audio(naudioindev, audioindev, nchindev, chindev,
naudiooutdev, audiooutdev, nchoutdev, choutdev, rate);
else
#endif
#ifdef USEAPI_ALSA
/* for alsa, only one device is supported; it may
be open for both input and output. */
if (sys_audioapi == API_ALSA)
alsa_open_audio(naudioindev, audioindev, nchindev, chindev,
naudiooutdev, audiooutdev, nchoutdev, choutdev, rate);
else
#endif
#ifdef USEAPI_MMIO
if (sys_audioapi == API_MMIO)
mmio_open_audio(naudioindev, audioindev, nchindev, chindev,
naudiooutdev, audiooutdev, nchoutdev, choutdev, rate);
else
#endif
#ifdef USEAPI_ROCKBOX
if (sys_audioapi == API_ROCKBOX)
rockbox_open_audio(rate);
else
#endif
post("unknown audio API specified");
}
sys_save_audio_params(naudioindev, audioindev, chindev,
naudiooutdev, audiooutdev, choutdev, rate, advance);
if (sys_inchannels == 0 && sys_outchannels == 0)
enable = 0;
audio_state = enable;
#ifndef ROCKBOX
sys_vgui("set pd_whichapi %d\n", (audio_isopen() ? sys_audioapi : 0));
#endif
sched_set_using_dacs(enable);
}
