/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/* @(#)sndconfig.c 1.17 04/08/03 Copyright 1998-2004 Heiko Eissfeldt */
/* os dependent functions */
#include "config.h"
#include <stdio.h>
#include <stdxlib.h>
#include <strdefs.h>
#include <fctldefs.h>
#include <unixstd.h>
#include <sys/ioctl.h>
#if !defined __CYGWIN32__
# include <timedefs.h>
#endif
#include <schily.h>
/* soundcard setup */
#if defined (HAVE_SOUNDCARD_H) || defined (HAVE_LINUX_SOUNDCARD_H) || defined (HAVE_SYS_SOUNDCARD_H) || defined (HAVE_MACHINE_SOUNDCARD_H)
# if defined (HAVE_SOUNDCARD_H)
# include <soundcard.h>
# else
# if defined (HAVE_MACHINE_SOUNDCARD_H)
# include <machine/soundcard.h>
# else
# if defined (HAVE_SYS_SOUNDCARD_H)
# include <sys/soundcard.h>
# else
# if defined (HAVE_LINUX_SOUNDCARD_H)
# include <linux/soundcard.h>
# endif
# endif
# endif
# endif
#endif
#include "mytype.h"
#include "byteorder.h"
#include "lowlevel.h"
#include "global.h"
#include "sndconfig.h"
#ifdef ECHO_TO_SOUNDCARD
# if defined(__CYGWIN32__)
# include <windows.h>
# include "mmsystem.h"
# endif
# if defined(__EMX__)
# define INCL_DOS
# define INCL_OS2MM
# include <os2.h>
# define PPFN _PPFN
# include <os2me.h>
# undef PPFN
static unsigned long DeviceID;
# define FRAGMENTS 2
/* playlist-structure */
typedef struct {
ULONG ulCommand;
ULONG ulOperand1, ulOperand2, ulOperand3;
} PLAYLISTSTRUCTURE;
static PLAYLISTSTRUCTURE PlayList[FRAGMENTS + 1];
static unsigned BufferInd;
# endif /* defined __EMX__ */
static char snd_device[200] = SOUND_DEV;
int set_snd_device(const char *devicename)
{
strncpy(snd_device, devicename, sizeof(snd_device));
return 0;
}
# if defined __CYGWIN32__
static HWAVEOUT DeviceID;
# define WAVEHDRS 3
static WAVEHDR wavehdr[WAVEHDRS];
static unsigned lastwav = 0;
static int check_winsound_caps(int bits, double rate, int channels);
static int check_winsound_caps(int bits, double rate, int channels)
{
int result = 0;
WAVEOUTCAPS caps;
/* get caps */
if (waveOutGetDevCaps(0, &caps, sizeof(caps))) {
fprintf(stderr, "cannot get soundcard capabilities!\n");
return 1;
}
/* check caps */
if ((bits == 8 && !(caps.dwFormats & 0x333)) ||
(bits == 16 && !(caps.dwFormats & 0xccc))) {
fprintf(stderr, "%d bits sound are not supported\n", bits);
result = 2;
}
if ((channels == 1 && !(caps.dwFormats & 0x555)) ||
(channels == 2 && !(caps.dwFormats & 0xaaa))) {
fprintf(stderr, "%d sound channels are not supported\n", channels);
result = 3;
}
if ((rate == 44100.0 && !(caps.dwFormats & 0xf00)) ||
(rate == 22050.0 && !(caps.dwFormats & 0xf0)) ||
(rate == 11025.0 && !(caps.dwFormats & 0xf))) {
fprintf(stderr, "%d sample rate is not supported\n", (int)rate);
result = 4;
}
return result;
}
# endif /* defined CYGWIN */
#endif /* defined ECHO_TO_SOUNDCARD */
#ifdef HAVE_SUN_AUDIOIO_H
# include <sun/audioio.h>
#endif
#ifdef HAVE_SYS_AUDIOIO_H
# include <sys/audioio.h>
#endif
#ifdef HAVE_SYS_ASOUNDLIB_H
# include <sys/asoundlib.h>
snd_pcm_t *pcm_handle;
#endif
#if defined HAVE_OSS && defined SNDCTL_DSP_GETOSPACE
audio_buf_info abinfo;
#endif
int init_soundcard(double rate, int bits)
{
#ifdef ECHO_TO_SOUNDCARD
if (global.echo) {
# if defined(HAVE_OSS) && HAVE_OSS == 1
if (open_snd_device() != 0) {
errmsg("Cannot open sound device '%s'\n", snd_device);
global.echo = 0;
} else {
/* This the sound device initialisation for 4front Open sound drivers */
int dummy;
int garbled_rate = rate;
int stereo = (global.channels == 2);
int myformat = bits == 8 ? AFMT_U8 :
(MY_LITTLE_ENDIAN ? AFMT_S16_LE : AFMT_S16_BE);
int mask;
if (ioctl(global.soundcard_fd, (int)SNDCTL_DSP_GETBLKSIZE, &dummy) == -1) {
fprintf(stderr, "Cannot get blocksize for %s\n", snd_device);
global.echo = 0;
}
if (ioctl(global.soundcard_fd, (int)SNDCTL_DSP_SYNC, NULL) == -1) {
fprintf(stderr, "Cannot sync for %s\n", snd_device);
global.echo = 0;
}
#if defined SNDCTL_DSP_GETOSPACE
if (ioctl(global.soundcard_fd, SNDCTL_DSP_GETOSPACE, &abinfo) == -1) {
fprintf(stderr, "Cannot get input buffersize for %s\n", snd_device);
abinfo.fragments = 0;
}
#endif
/* check, if the sound device can do the requested format */
if (ioctl(global.soundcard_fd, (int)SNDCTL_DSP_GETFMTS, &mask) == -1) {
perror("fatal error:");
return -1;
}
if ((mask & myformat) == 0) {
fprintf(stderr, "sound format (%d bits signed) is not available\n", bits);
if ((mask & AFMT_U8) != 0) {
bits = 8;
myformat = AFMT_U8;
}
}
if (ioctl(global.soundcard_fd, (int)SNDCTL_DSP_SETFMT, &myformat) == -1) {
fprintf(stderr, "Cannot set %d bits/sample for %s\n",bits, snd_device);
global.echo = 0;
}
/* limited sound devices may not support stereo */
if (stereo
&& ioctl(global.soundcard_fd, (int)SNDCTL_DSP_STEREO, &stereo) == -1) {
fprintf(stderr, "Cannot set stereo mode for %s\n", snd_device);
stereo = 0;
}
if (!stereo
&& ioctl(global.soundcard_fd, (int)SNDCTL_DSP_STEREO, &stereo) == -1) {
fprintf(stderr, "Cannot set mono mode for %s\n", snd_device);
global.echo = 0;
}
/* set the sample rate */
if (ioctl(global.soundcard_fd, (int)SNDCTL_DSP_SPEED, &garbled_rate) == -1) {
fprintf(stderr, "Cannot set rate %d.%2d Hz for %s\n",
(int)rate, (int)(rate*100)%100, snd_device);
global.echo = 0;
}
if ( abs((long)rate - garbled_rate) > rate / 20) {
fprintf(stderr, "sound device: next best sample rate is %d\n",garbled_rate);
}
}
# else /* HAVE_OSS */
# if defined HAVE_SYS_AUDIOIO_H || defined HAVE_SUN_AUDIOIO_H
/* This is the SunOS / Solaris and compatibles sound initialisation */
if ((global.soundcard_fd = open(snd_device, O_WRONLY, 0)) == EOF) {
perror("");
fprintf(stderr, "Cannot open %s\n",snd_device);
global.echo = 0;
} else {
audio_info_t info;
# if defined (AUDIO_INITINFO) && defined (AUDIO_ENCODING_LINEAR)
AUDIO_INITINFO(&info);
info.play.sample_rate = rate;
info.play.channels = global.channels;
info.play.precision = bits;
info.play.encoding = AUDIO_ENCODING_LINEAR;
info.play.pause = 0;
info.record.pause = 0;
info.monitor_gain = 0;
if (ioctl(global.soundcard_fd, AUDIO_SETINFO, &info) < 0) {
fprintf(stderr, "Cannot init %s (sun)\n", snd_device);
global.echo = 0;
}
# else
fprintf(stderr, "Cannot init sound device with 44.1 KHz sample rate on %s (sun compatible)\n", snd_device);
global.echo = 0;
# endif
}
# else /* SUN audio */
# if defined(__CYGWIN32__)
/* Windows sound info */
MMRESULT mmres;
WAVEFORMATEX wavform;
if (waveOutGetNumDevs() < 1) {
fprintf( stderr, "no sound devices available!\n");
global.echo = 0;
return 1;
}
/* check capabilities */
if (check_winsound_caps(bits, rate, global.channels) != 0) {
fprintf( stderr, "soundcard capabilities are not sufficient!\n");
global.echo = 0;
return 1;
}
wavform.wFormatTag = WAVE_FORMAT_PCM;
wavform.nChannels = global.channels;
wavform.nSamplesPerSec = (int)rate;
wavform.wBitsPerSample = bits;
wavform.cbSize = sizeof(wavform);
wavform.nAvgBytesPerSec = (int)rate * global.channels *
(wavform.wBitsPerSample / 8);
wavform.nBlockAlign = global.channels * (wavform.wBitsPerSample / 8);
DeviceID = 0;
mmres = waveOutOpen(&DeviceID, WAVE_MAPPER, &wavform, (unsigned long)WIN_CallBack, 0, CALLBACK_FUNCTION);
if (mmres) {
char erstr[329];
waveOutGetErrorText(mmres, erstr, sizeof(erstr));
fprintf( stderr, "soundcard open error: %s!\n", erstr);
global.echo = 0;
return 1;
}
global.soundcard_fd = 0;
/* init all wavehdrs */
{ int i;
for (i=0; i < WAVEHDRS; i++) {
wavehdr[i].dwBufferLength = (global.channels*(bits/ 8)*(int)rate*
global.nsectors)/75;
wavehdr[i].lpData = malloc(wavehdr[i].dwBufferLength);
if (wavehdr[i].lpData == NULL) {
fprintf(stderr, "no memory for sound buffers available\n");
waveOutReset(0);
waveOutClose(DeviceID);
return 1;
}
mmres = waveOutPrepareHeader(DeviceID, &wavehdr[i], sizeof(WAVEHDR));
if (mmres) {
char erstr[129];
waveOutGetErrorText(mmres, erstr, sizeof(erstr));
fprintf( stderr, "soundcard prepare error: %s!\n", erstr);
return 1;
}
wavehdr[i].dwLoops = 0;
wavehdr[i].dwFlags = WHDR_DONE;
wavehdr[i].dwBufferLength = 0;
}
}
# else
# if defined(__EMX__)
# if defined (HAVE_MMPM)
/* OS/2 MMPM/2 MCI sound info */
MCI_OPEN_PARMS mciOpenParms;
int i;
/* create playlist */
for (i = 0; i < FRAGMENTS; i++) {
PlayList[i].ulCommand = DATA_OPERATION; /* play data */
PlayList[i].ulOperand1 = 0; /* address */
PlayList[i].ulOperand2 = 0; /* size */
PlayList[i].ulOperand3 = 0; /* offset */
}
PlayList[FRAGMENTS].ulCommand = BRANCH_OPERATION; /* jump */
PlayList[FRAGMENTS].ulOperand1 = 0;
PlayList[FRAGMENTS].ulOperand2 = 0; /* destination */
PlayList[FRAGMENTS].ulOperand3 = 0;
memset(&mciOpenParms, 0, sizeof(mciOpenParms));
mciOpenParms.pszDeviceType = (PSZ) (((unsigned long) MCI_DEVTYPE_WAVEFORM_AUDIO << 16) | (unsigned short) DeviceIndex);
mciOpenParms.pszElementName = (PSZ) & PlayList;
/* try to open the sound device */
if (mciSendCommand(0, MCI_OPEN,
MCI_WAIT | MCI_OPEN_SHAREABLE | MCIOPEN_Type_ID, &mciOpenParms, 0)
!= MCIERR_SUCCESS) {
/* no sound */
fprintf( stderr, "no sound devices available!\n");
global.echo = 0;
return 1;
}
/* try to set the parameters */
DeviceID = mciOpenParms.usDeviceID;
{
MCI_WAVE_SET_PARMS mciWaveSetParms;
memset(&mciWaveSetParms, 0, sizeof(mciWaveSetParms));
mciWaveSetParms.ulSamplesPerSec = rate;
mciWaveSetParms.usBitsPerSample = bits;
mciWaveSetParms.usChannels = global.channels;
mciWaveSetParms.ulAudio = MCI_SET_AUDIO_ALL;
/* set play-parameters */
if (mciSendCommand(DeviceID, MCI_SET,
MCI_WAIT | MCI_WAVE_SET_SAMPLESPERSEC |
MCI_WAVE_SET_BITSPERSAMPLE | MCI_WAVE_SET_CHANNELS,
(PVOID) & mciWaveSetParms, 0)) {
MCI_GENERIC_PARMS mciGenericParms;
fprintf( stderr, "soundcard capabilities are not sufficient!\n");
global.echo = 0;
/* close */
mciSendCommand(DeviceID, MCI_CLOSE, MCI_WAIT, &mciGenericParms, 0);
return 1;
}
}
# endif /* EMX MMPM OS2 sound */
# else
# if defined(__QNX__)
int card = -1;
int dev = 0;
int rtn;
snd_pcm_channel_info_t pi;
snd_pcm_channel_params_t pp;
if (card == -1) {
rtn = snd_pcm_open_preferred(&pcm_handle,
&card, &dev, SND_PCM_OPEN_PLAYBACK);
if (rtn < 0) {
perror("sound device open");
return 1;
}
} else {
rtn = snd_pcm_open(&pcm_handle,
card, dev, SND_PCM_OPEN_PLAYBACK);
if (rtn < 0) {
perror("sound device open");
return 1;
}
}
memset(&pi, 0, sizeof(pi));
pi.channel = SND_PCM_CHANNEL_PLAYBACK;
rtn = snd_pcm_plugin_info(pcm_handle, &pi);
if (rtn < 0) {
fprintf(stderr, "snd_pcm_plugin_info failed: %s\n", snd_strerror(rtn));
return 1;
}
memset(&pp, 0, sizeof(pp));
pp.mode = SND_PCM_MODE_BLOCK;
pp.channel = SND_PCM_CHANNEL_PLAYBACK;
pp.start_mode = SND_PCM_START_FULL;
pp.stop_mode = SND_PCM_STOP_STOP;
pp.buf.block.frag_size = pi.max_fragment_size;
pp.buf.block.frags_max = 1;
pp.buf.block.frags_min = 1;
pp.format.interleave = 1;
pp.format.rate = rate;
pp.format.voices = global.channels;
if (bits == 8) {
pp.format.format = SND_PCM_SFMT_U8;
} else {
pp.format.format = SND_PCM_SFMT_S16_LE;
}
rtn = snd_pcm_plugin_params(pcm_handle, &pp);
if (rtn < 0) {
fprintf(stderr, "snd_pcm_plugin_params failed: %s\n", snd_strerror(rtn));
return 1;
}
rtn = snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK);
if (rtn < 0) {
fprintf(stderr, "snd_pcm_plugin_prepare failed: %s\n", snd_strerror(rtn));
return 1;
}
global.soundcard_fd = snd_pcm_file_descriptor(pcm_handle, SND_PCM_CHANNEL_PLAYBACK);
# endif /* QNX sound */
# endif /* EMX OS2 sound */
# endif /* CYGWIN Windows sound */
# endif /* else SUN audio */
# endif /* else HAVE_OSS */
}
#endif /* ifdef ECHO_TO_SOUNDCARD */
return 0;
}
int open_snd_device()
{
#if defined(F_GETFL) && defined(F_SETFL) && defined(O_NONBLOCK)
int fl;
#endif
#if defined ECHO_TO_SOUNDCARD && !defined __CYGWIN32__ && !defined __EMX__
global.soundcard_fd = open(snd_device, O_WRONLY
#ifdef linux
/* Linux BUG: the sound driver open() blocks, if the device is in use. */
| O_NONBLOCK
#endif
, 0);
#if defined(F_GETFL) && defined(F_SETFL) && defined(O_NONBLOCK)
fl = fcntl(global.soundcard_fd, F_GETFL, 0);
fl &= ~O_NONBLOCK;
fcntl(global.soundcard_fd, F_SETFL, fl);
#endif
return (global.soundcard_fd < 0);
#else
return 0;
#endif
}
int close_snd_device ()
{
#if !defined ECHO_TO_SOUNDCARD
return 0;
#else
# if defined __CYGWIN32__
waveOutReset(0);
return waveOutClose(DeviceID);
# else /* !Cygwin32 */
# if defined __EMX__
# if defined HAVE_MMPM
/* close the sound device */
MCI_GENERIC_PARMS mciGenericParms;
mciSendCommand(DeviceID, MCI_CLOSE, MCI_WAIT, &mciGenericParms, 0);
# else /* HAVE_MMPM */
return 0;
# endif /* HAVE_MMPM */
# else /* !EMX */
# if defined __QNX__
snd_pcm_plugin_flush(pcm_handle, SND_PCM_CHANNEL_PLAYBACK);
return snd_pcm_close(pcm_handle);
# else /* !QNX */
return close(global.soundcard_fd);
# endif /* !QNX */
# endif /* !EMX */
# endif /* !Cygwin32 */
#endif /* ifdef ECHO_TO_SOUNDCARD */
}
int write_snd_device(char *buffer, unsigned todo)
{
int result = 0;
#ifdef ECHO_TO_SOUNDCARD
#if defined __CYGWIN32__
MMRESULT mmres;
wavehdr[lastwav].dwBufferLength = todo;
memcpy(wavehdr[lastwav].lpData, buffer, todo);
mmres = waveOutWrite(DeviceID, &wavehdr[lastwav], sizeof(WAVEHDR));
if (mmres) {
char erstr[129];
waveOutGetErrorText(mmres, erstr, sizeof(erstr));
fprintf( stderr, "soundcard write error: %s!\n", erstr);
return 1;
}
if (++lastwav >= WAVEHDRS)
lastwav -= WAVEHDRS;
result = mmres;
#else
#if defined __EMX__
Playlist[BufferInd].ulOperand1 = buffer;
Playlist[BufferInd].ulOperand2 = todo;
Playlist[BufferInd].ulOperand3 = 0;
if (++BufferInd >= FRAGMENTS)
BufferInd -= FRAGMENTS;
/* no MCI_WAIT here, because application program has to continue */
memset(&mciPlayParms, 0, sizeof(mciPlayParms));
if (mciSendCommand(DeviceID, MCI_PLAY, MCI_FROM, &mciPlayParms, 0)) {
fprintf( stderr, "soundcard write error: %s!\n", erstr);
return 1;
}
result = 0;
#else
int retval2;
int towrite;
#if defined HAVE_OSS && defined SNDCTL_DSP_GETOSPACE
towrite = abinfo.fragments * abinfo.fragsize;
if (towrite == 0)
#endif
towrite = todo;
do {
fd_set writefds[1];
struct timeval timeout2;
int wrote;
timeout2.tv_sec = 0;
timeout2.tv_usec = 4*120000;
FD_ZERO(writefds);
FD_SET(global.soundcard_fd, writefds);
retval2 = select(global.soundcard_fd + 1,
NULL, writefds, NULL, &timeout2);
switch (retval2) {
default:
case -1: perror ("select failed");
/* fall through */
case 0: /* timeout */
result = 2;
goto outside_loop;
case 1: break;
}
if (towrite > todo) {
towrite = todo;
}
#if defined __QNX__ && defined HAVE_SYS_ASOUNDLIB_H
wrote = snd_pcm_plugin_write(pcm_handle, buffer, towrite);
#else
wrote = write(global.soundcard_fd, buffer, towrite);
#endif
if (wrote <= 0) {
perror( "cant write audio");
result = 1;
goto outside_loop;
} else {
todo -= wrote;
buffer += wrote;
}
} while (todo > 0);
outside_loop:
;
#endif /* !defined __EMX__ */
#endif /* !defined __CYGWIN32__ */
#endif /* ECHO_TO_SOUNDCARD */
return result;
}