#include <alsa/asoundlib.h>
#include "quakedef.h"
+#include "snd_main.h"
static int snd_inited;
-static int snd_blocked = 0;
static snd_pcm_uframes_t buffer_size;
static const char *pcmname = NULL;
snd_pcm_hw_params_alloca (&hw);
snd_pcm_sw_params_alloca (&sw);
-// COMMANDLINEOPTION: -sndpcm <devicename> selects which pcm device to us, default is "default" (ALSA sound driver only)
+// COMMANDLINEOPTION: Linux ALSA Sound: -sndpcm <devicename> selects which pcm device to us, default is "default"
if ((i=COM_CheckParm("-sndpcm"))!=0)
pcmname=com_argv[i+1];
if (!pcmname)
pcmname = "default";
-// COMMANDLINEOPTION: -sndbits <number> sets sound precision to 8 or 16 bit (email me if you want others added)
+// COMMANDLINEOPTION: Linux ALSA Sound: -sndbits <number> sets sound precision to 8 or 16 bit (email me if you want others added)
if ((i=COM_CheckParm("-sndbits")) != 0)
{
bps = atoi(com_argv[i+1]);
}
}
-// COMMANDLINEOPTION: -sndspeed <hz> chooses 44100 hz, 22100 hz, or 11025 hz sound output rate
+// COMMANDLINEOPTION: Linux ALSA Sound: -sndspeed <hz> chooses 44100 hz, 22100 hz, or 11025 hz sound output rate
if ((i=COM_CheckParm("-sndspeed")) != 0)
{
rate = atoi(com_argv[i+1]);
}
}
-// COMMANDLINEOPTION: -sndmono sets sound output to mono
+// COMMANDLINEOPTION: Linux ALSA Sound: -sndmono sets sound output to mono
if ((i=COM_CheckParm("-sndmono")) != 0)
stereo=0;
-// COMMANDLINEOPTION: -sndstereo sets sound output to stereo
+// COMMANDLINEOPTION: Linux ALSA Sound: -sndstereo sets sound output to stereo
if ((i=COM_CheckParm("-sndstereo")) != 0)
stereo=1;
err = snd_pcm_open (&pcm, pcmname, SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK);
if (0 > err) {
- Sys_Printf ("Error: audio open error: %s\n", snd_strerror (err));
+ Con_Printf ("Error: audio open error: %s\n", snd_strerror (err));
return 0;
}
- Sys_Printf ("ALSA: Using PCM %s.\n", pcmname);
+ Con_Printf ("ALSA: Using PCM %s.\n", pcmname);
err = snd_pcm_hw_params_any (pcm, hw);
if (0 > err) {
- Sys_Printf ("ALSA: error setting hw_params_any. %s\n",
+ Con_Printf ("ALSA: error setting hw_params_any. %s\n",
snd_strerror (err));
goto error;
}
err = snd_pcm_hw_params_set_access (pcm, hw,
SND_PCM_ACCESS_MMAP_INTERLEAVED);
if (0 > err) {
- Sys_Printf ("ALSA: Failure to set noninterleaved PCM access. %s\n"
+ Con_Printf ("ALSA: Failure to set noninterleaved PCM access. %s\n"
"Note: Interleaved is not supported\n",
snd_strerror (err));
goto error;
SND_PCM_FORMAT_U8))) {
bps = 8;
} else {
- Sys_Printf ("ALSA: no useable formats. %s\n",
+ Con_Printf ("ALSA: no useable formats. %s\n",
snd_strerror (err));
goto error;
}
SND_PCM_FORMAT_U8 :
SND_PCM_FORMAT_S16);
if (0 > err) {
- Sys_Printf ("ALSA: no usable formats. %s\n",
+ Con_Printf ("ALSA: no usable formats. %s\n",
snd_strerror (err));
goto error;
}
break;
default:
- Sys_Printf ("ALSA: desired format not supported\n");
+ Con_Printf ("ALSA: desired format not supported\n");
goto error;
}
1))) {
stereo = 0;
} else {
- Sys_Printf ("ALSA: no usable channels. %s\n",
+ Con_Printf ("ALSA: no usable channels. %s\n",
snd_strerror (err));
goto error;
}
case 1:
err = snd_pcm_hw_params_set_channels (pcm, hw, stereo ? 2 : 1);
if (0 > err) {
- Sys_Printf ("ALSA: no usable channels. %s\n",
+ Con_Printf ("ALSA: no usable channels. %s\n",
snd_strerror (err));
goto error;
}
break;
default:
- Sys_Printf ("ALSA: desired channels not supported\n");
+ Con_Printf ("ALSA: desired channels not supported\n");
goto error;
}
if (0 <= err) {
frag_size = 8 * bps;
} else {
- Sys_Printf ("ALSA: no usable rates. %s\n",
+ Con_Printf ("ALSA: no usable rates. %s\n",
snd_strerror (err));
goto error;
}
case 44100:
err = snd_pcm_hw_params_set_rate_near (pcm, hw, &rate, 0);
if (0 > err) {
- Sys_Printf ("ALSA: desired rate %i not supported. %s\n", rate,
+ Con_Printf ("ALSA: desired rate %i not supported. %s\n", rate,
snd_strerror (err));
goto error;
}
frag_size = 8 * bps * rate / 11025;
break;
default:
- Sys_Printf ("ALSA: desired rate %i not supported.\n", rate);
+ Con_Printf ("ALSA: desired rate %i not supported.\n", rate);
goto error;
}
err = snd_pcm_hw_params_set_period_size_near (pcm, hw, &frag_size, 0);
if (0 > err) {
- Sys_Printf ("ALSA: unable to set period size near %i. %s\n",
+ Con_Printf ("ALSA: unable to set period size near %i. %s\n",
(int) frag_size, snd_strerror (err));
goto error;
}
err = snd_pcm_hw_params (pcm, hw);
if (0 > err) {
- Sys_Printf ("ALSA: unable to install hw params: %s\n",
+ Con_Printf ("ALSA: unable to install hw params: %s\n",
snd_strerror (err));
goto error;
}
err = snd_pcm_sw_params_current (pcm, sw);
if (0 > err) {
- Sys_Printf ("ALSA: unable to determine current sw params. %s\n",
+ Con_Printf ("ALSA: unable to determine current sw params. %s\n",
snd_strerror (err));
goto error;
}
err = snd_pcm_sw_params_set_start_threshold (pcm, sw, ~0U);
if (0 > err) {
- Sys_Printf ("ALSA: unable to set playback threshold. %s\n",
+ Con_Printf ("ALSA: unable to set playback threshold. %s\n",
snd_strerror (err));
goto error;
}
err = snd_pcm_sw_params_set_stop_threshold (pcm, sw, ~0U);
if (0 > err) {
- Sys_Printf ("ALSA: unable to set playback stop threshold. %s\n",
+ Con_Printf ("ALSA: unable to set playback stop threshold. %s\n",
snd_strerror (err));
goto error;
}
err = snd_pcm_sw_params (pcm, sw);
if (0 > err) {
- Sys_Printf ("ALSA: unable to install sw params. %s\n",
+ Con_Printf ("ALSA: unable to install sw params. %s\n",
snd_strerror (err));
goto error;
}
err = snd_pcm_hw_params_get_buffer_size (hw, &buffer_size);
if (0 > err) {
- Sys_Printf ("ALSA: unable to get buffer size. %s\n",
+ Con_Printf ("ALSA: unable to get buffer size. %s\n",
snd_strerror (err));
goto error;
}
snd_pcm_uframes_t nframes;
snd_pcm_uframes_t offset;
- if (snd_blocked)
- return;
-
nframes = count / shm->format.channels;
snd_pcm_avail_update (pcm);