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#include <stdio.h>
#include <stdlib.h>
#include "../config.h"
#include "audio_out.h"
#include "afmt.h"
// there are some globals:
int ao_samplerate=0;
int ao_channels=0;
int ao_format=0;
int ao_bps=0;
int ao_outburst=OUTBURST; // config.h default
int ao_buffersize=-1;
char *ao_subdevice = NULL;
#ifdef USE_OSS_AUDIO
extern ao_functions_t audio_out_oss;
#endif
//extern ao_functions_t audio_out_ossold;
extern ao_functions_t audio_out_null;
#ifdef HAVE_ALSA5
extern ao_functions_t audio_out_alsa5;
#endif
#ifdef HAVE_ALSA9
extern ao_functions_t audio_out_alsa9;
#endif
#ifdef HAVE_ESD
extern ao_functions_t audio_out_esd;
#endif
#ifdef HAVE_SDL
extern ao_functions_t audio_out_sdl;
#endif
#ifdef USE_SUN_AUDIO
extern ao_functions_t audio_out_sun;
#endif
#ifdef USE_SGI_AUDIO
extern ao_functions_t audio_out_sgi;
#endif
extern ao_functions_t audio_out_pcm;
extern ao_functions_t audio_out_pss;
ao_functions_t* audio_out_drivers[] =
{
#ifdef USE_OSS_AUDIO
&audio_out_oss,
#endif
#ifdef USE_SUN_AUDIO
&audio_out_sun,
#endif
#ifdef USE_SGI_AUDIO
&audio_out_sgi,
#endif
&audio_out_null,
#ifdef HAVE_ALSA5
&audio_out_alsa5,
#endif
#ifdef HAVE_ALSA9
&audio_out_alsa9,
#endif
#ifdef HAVE_ESD
&audio_out_esd,
#endif
#ifdef HAVE_SDL
&audio_out_sdl,
#endif
&audio_out_pcm,
// &audio_out_pss,
NULL
};
char *audio_out_format_name(int format)
{
switch (format)
{
case AFMT_MU_LAW:
return("Mu-Law");
case AFMT_A_LAW:
return("A-Law");
case AFMT_IMA_ADPCM:
return("Ima-ADPCM");
case AFMT_S8:
return("Signed 8-bit");
case AFMT_U8:
return("Unsigned 8-bit");
case AFMT_U16_LE:
return("Unsigned 16-bit (Little-Endian)");
case AFMT_U16_BE:
return("Unsigned 16-bit (Big-Endian)");
case AFMT_S16_LE:
return("Signed 16-bit (Little-Endian)");
case AFMT_S16_BE:
return("Signed 16-bit (Big-Endian)");
case AFMT_MPEG:
return("MPEG (2) audio");
case AFMT_AC3:
return("AC3");
/*
the following two formats are not available with old linux kernel
headers (e.g. in 2.2.16)
*/
#ifdef AFMT_S32_LE
case AFMT_S32_LE:
return("Signed 32-bit (Little-Endian)");
#endif
#ifdef AFMT_S32_BE
case AFMT_S32_BE:
return("Signed 32-bit (Big-Endian)");
#endif
}
return("Unknown");
}
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