/*	audio_sun.c: audio output for Sun systems	copyright ?-2006 by the mpg123 project - free software under the terms of the LGPL 2.1	see COPYING and AUTHORS files in distribution or http://mpg123.de	initially written by Michael Hipp*/#include <sys/types.h>#include <stdlib.h>#include <stdio.h>#include <unistd.h>#include <fcntl.h>#include "config.h"#include "mpg123.h"#ifdef HAVE_SYS_IOCTL_H#include <sys/ioctl.h>#endif#ifdef HAVE_SUN_AUDIOIO_H#include <sun/audioio.h>#endif#ifdef HAVE_SYS_AUDIOIO_H#include <sys/audioio.h>#endif#ifdef HAVE_SYS_AUDIO_H#include <sys/audio.h>#endif#ifdef HAVE_ASM_AUDIOIO_H#include <asm/audioio.h>#endifstatic void audio_set_format_helper(struct audio_info_struct *ai, audio_info_t *ainfo){  switch(ai->format) {    case -1:    case AUDIO_FORMAT_SIGNED_16:    default:      ainfo->play.encoding = AUDIO_ENCODING_LINEAR;      ainfo->play.precision = 16;      break;    case AUDIO_FORMAT_UNSIGNED_8:#if defined(SOLARIS) || defined(SPARCLINUX)      ainfo->play.encoding = AUDIO_ENCODING_LINEAR8;      ainfo->play.precision = 8;      break;#endif    case AUDIO_FORMAT_SIGNED_8:      fprintf(stderr,"Linear signed 8 bit not supported!\n");      return;    case AUDIO_FORMAT_ULAW_8:      ainfo->play.encoding = AUDIO_ENCODING_ULAW;      ainfo->play.precision = 8;      break;    case AUDIO_FORMAT_ALAW_8:      ainfo->play.encoding = AUDIO_ENCODING_ALAW;      ainfo->play.precision = 8;      break;  }  }static int audio_reset_parameters(struct audio_info_struct *ai){  audio_info_t ainfo;  AUDIO_INITINFO(&ainfo);  if(ai->rate != -1)    ainfo.play.sample_rate = ai->rate;  if(ai->channels >= 0)    ainfo.play.channels = ai->channels;  audio_set_format_helper(ai,&ainfo);  if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) == -1)    return -1;  return 0;}static int audio_rate_best_match(struct audio_info_struct *ai){  audio_info_t ainfo;  AUDIO_INITINFO(&ainfo);   ainfo.play.sample_rate = ai->rate;  if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) < 0) {    ai->rate = 0;    return 0;  }  if(ioctl(ai->fn, AUDIO_GETINFO, &ainfo) < 0) {    return -1;  }  ai->rate = ainfo.play.sample_rate;  return 0;}static int audio_set_rate(struct audio_info_struct *ai){  audio_info_t ainfo;  if(ai->rate != -1) {    AUDIO_INITINFO(&ainfo);    ainfo.play.sample_rate = ai->rate;    if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) == -1)      return -1;    return 0;  }  return -1;}static int audio_set_channels(struct audio_info_struct *ai){  audio_info_t ainfo;  AUDIO_INITINFO(&ainfo);  ainfo.play.channels = ai->channels;  if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) == -1)    return -1;  return 0;}static int audio_set_format(struct audio_info_struct *ai){  audio_info_t ainfo;  AUDIO_INITINFO(&ainfo);  audio_set_format_helper(ai,&ainfo);  if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) == -1)    return -1;  return 0;}int audio_open(struct audio_info_struct *ai){  audio_info_t ainfo;  if(!ai->device) {    if(getenv("AUDIODEV")) {      if(param.verbose > 1)          fprintf(stderr,"Using audio-device value from AUDIODEV environment variable!\n");      ai->device = getenv("AUDIODEV");    }    else       ai->device = "/dev/audio";  }  ai->fn = open(ai->device,O_WRONLY);  if(ai->fn < 0)     return ai->fn;#ifdef SUNOS  {    int type;    if(ioctl(ai->fn, AUDIO_GETDEV, &type) == -1)      return -1;    if(type == AUDIO_DEV_UNKNOWN || type == AUDIO_DEV_AMD)      return -1;  }#else#if defined(SOLARIS) || defined(SPARCLINUX)  {    struct audio_device ad;    if(ioctl(ai->fn, AUDIO_GETDEV, &ad) == -1)      return -1;    if(param.verbose > 1)      fprintf(stderr,"Audio device type: %s\n",ad.name);    if(!strstr(ad.name,"dbri") && !strstr(ad.name,"CS4231") && param.verbose)      fprintf(stderr,"Warning: Unknown sound system %s. But we try it.\n",ad.name);  }#endif#endif  if(audio_reset_parameters(ai) < 0) {    return -1;  }  AUDIO_INITINFO(&ainfo);  if(ai->output > 0)    ainfo.play.port = 0;  if(ai->output & AUDIO_OUT_INTERNAL_SPEAKER)    ainfo.play.port |= AUDIO_SPEAKER;  if(ai->output & AUDIO_OUT_HEADPHONES)    ainfo.play.port |= AUDIO_HEADPHONE;  if(ai->output & AUDIO_OUT_LINE_OUT)    ainfo.play.port |= AUDIO_LINE_OUT;  if(ai->gain != -1)    ainfo.play.gain = ai->gain;  if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) == -1)    return -1;  return ai->fn;}int audio_get_formats(struct audio_info_struct *ai){  static int tab[][3] = {    { AUDIO_ENCODING_ULAW , 8,  AUDIO_FORMAT_ULAW_8 } ,    { AUDIO_ENCODING_ALAW , 8,  AUDIO_FORMAT_ALAW_8 } ,    { AUDIO_ENCODING_LINEAR , 16,  AUDIO_FORMAT_SIGNED_16 } ,#if defined(SOLARIS) || defined(SPARCLINUX)    { AUDIO_ENCODING_LINEAR8 , 8,  AUDIO_FORMAT_UNSIGNED_8 } ,#endif  };  audio_info_t ainfo;  int i,fmts=0;  for(i=0;i<4;i++) {    AUDIO_INITINFO(&ainfo);    ainfo.play.encoding = tab[i][0];    ainfo.play.precision = tab[i][1];#if 1    ainfo.play.sample_rate = ai->rate;    ainfo.play.channels = ai->channels;#endif    if(ioctl(ai->fn, AUDIO_SETINFO, &ainfo) >= 0) {      fmts |= tab[i][2];    }  }  return fmts;}int audio_play_samples(struct audio_info_struct *ai,unsigned char *buf,int len){  return write(ai->fn,buf,len);}int audio_close(struct audio_info_struct *ai){  close (ai->fn);  return 0;}void audio_queueflush (struct audio_info_struct *ai){	/*ioctl (ai->fn, I_FLUSH, FLUSHRW);*/}