static void oss_write_audio(gpointer data, int length)
{
audio_buf_info abuf_info;
AFormat new_format;
int new_frequency, new_channels;
EffectPlugin *ep;
new_format = input.format.xmms;
new_frequency = input.frequency;
new_channels = input.channels;
ep = get_current_effect_plugin();
if(effects_enabled() && ep && ep->query_format)
{
ep->query_format(&new_format,&new_frequency,&new_channels);
}
if (new_format != effect.format.xmms ||
new_frequency != effect.frequency ||
new_channels != effect.channels)
{
output_time_offset += (output_bytes * 1000) / output.bps;
output_bytes = 0;
close(fd);
fd = open(device_name,O_WRONLY);
oss_setup_format(new_format, new_frequency, new_channels);
}
if (effects_enabled() && ep && ep->mod_samples)
length = ep->mod_samples(&data, length,
input.format.xmms,
input.frequency,
input.channels);
if (realtime && !ioctl(fd, SNDCTL_DSP_GETOSPACE, &abuf_info))
{
while (abuf_info.bytes < length)
{
xmms_usleep(10000);
if (ioctl(fd, SNDCTL_DSP_GETOSPACE, &abuf_info))
break;
}
}
if (oss_convert_func != NULL)
length = oss_convert_func(&data, length);
if (oss_stereo_convert_func != NULL)
length = oss_stereo_convert_func(&data, length,
output.format.oss);
if (effect.frequency == output.frequency)
output_bytes += write_all(fd, data, length);
else
output_bytes += oss_downsample(data, length,
effect.frequency,
output.frequency);
}
static void
op_write (void *ptr, int len)
{
EffectPlugin *ep;
if (paused)
return;
/* This sucks but XMMS totally broke the effect plugin code when
they added support for multiple enabled effects. Complain to
the non-existent XMMS team if a plugin does not work, however
this does not seem to affect any plugins in our ports tree. */
ep = get_current_effect_plugin ();
ep->mod_samples (&ptr, len, afmt, par.rate, par.pchan);
/* Do not lock sio_write as this will cause the GUI thread
to block waiting for a blocked sio_write to return. */
len = sio_write (hdl, ptr, len);
pthread_mutex_lock (&mutex);
wrpos += len;
pthread_mutex_unlock (&mutex);
}