libao2/audio_out.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "../config.h"
   6 #include "audio_out.h"
   7 #include "afmt.h"
   8
   9 #include "../mp_msg.h"
  10 #include "../help_mp.h"
  11
  12 // there are some globals:
  13 ao_data_t ao_data={0,0,0,0,OUTBURST,-1,0};
  14 char *ao_subdevice = NULL;
  15
  16 #ifdef USE_OSS_AUDIO
  17 extern ao_functions_t audio_out_oss;
  18 #endif
  19 #ifdef USE_ARTS
  20 extern ao_functions_t audio_out_arts;
  21 #endif
  22 #ifdef USE_ESD
  23 extern ao_functions_t audio_out_esd;
  24 #endif
  25 extern ao_functions_t audio_out_null;
  26 #ifdef HAVE_ALSA5
  27  extern ao_functions_t audio_out_alsa5;
  28 #endif
  29 #ifdef HAVE_ALSA9
  30  extern ao_functions_t audio_out_alsa9;
  31 #endif
  32 #ifdef HAVE_NAS
  33 extern ao_functions_t audio_out_nas;
  34 #endif
  35 #ifdef HAVE_SDL
  36 extern ao_functions_t audio_out_sdl;
  37 #endif
  38 #ifdef USE_SUN_AUDIO
  39 extern ao_functions_t audio_out_sun;
  40 #endif
  41 #ifdef USE_SGI_AUDIO
  42 extern ao_functions_t audio_out_sgi;
  43 #endif
  44 #ifdef HAVE_WIN32WAVEOUT
  45 extern ao_functions_t audio_out_win32;
  46 #endif
  47 #ifdef MACOSX
  48 extern ao_functions_t audio_out_macosx;
  49 #endif
  50 #ifdef HAVE_DXR2
  51 extern ao_functions_t audio_out_dxr2;
  52 #endif
  53 extern ao_functions_t audio_out_mpegpes;
  54 extern ao_functions_t audio_out_pcm;
  55 extern ao_functions_t audio_out_pss;
  56 extern ao_functions_t audio_out_plugin;
  57
  58 ao_functions_t* audio_out_drivers[] =
  59 {
  60 // vo-related:   will fail unless you also do -vo mpegpes/dxr2
  61         &audio_out_mpegpes,
  62 #ifdef HAVE_DXR2
  63         &audio_out_dxr2,
  64 #endif
  65 // native:
  66 #ifdef HAVE_WIN32WAVEOUT
  67         &audio_out_win32,
  68 #endif
  69 #ifdef MACOSX
  70         &audio_out_macosx,
  71 #endif
  72 #ifdef USE_OSS_AUDIO
  73         &audio_out_oss,
  74 #endif
  75 #ifdef HAVE_ALSA9
  76         &audio_out_alsa9,
  77 #endif
  78 #ifdef HAVE_ALSA5
  79         &audio_out_alsa5,
  80 #endif
  81 #ifdef USE_SGI_AUDIO
  82         &audio_out_sgi,
  83 #endif
  84 #ifdef USE_SUN_AUDIO
  85         &audio_out_sun,
  86 #endif
  87 // wrappers:
  88 #ifdef USE_ARTS
  89         &audio_out_arts,
  90 #endif
  91 #ifdef USE_ESD
  92         &audio_out_esd,
  93 #endif
  94 #ifdef HAVE_NAS
  95         &audio_out_nas,
  96 #endif
  97 #ifdef HAVE_SDL
  98         &audio_out_sdl,
  99 #endif
 100         &audio_out_null,
 101 // should not be auto-selected:
 102         &audio_out_pcm,
 103         &audio_out_plugin,
 104         NULL
 105 };
 106
 107 void list_audio_out(){
 108       int i=0;
 109       mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AvailableAudioOutputDrivers);
 110       while (audio_out_drivers[i]) {
 111         const ao_info_t *info = audio_out_drivers[i++]->info;
 112         printf("\t%s\t%s\n", info->short_name, info->name);
 113       }
 114       printf("\n");
 115 }
 116
 117 ao_functions_t* init_best_audio_out(char** ao_list,int use_plugin,int rate,int channels,int format,int flags){
 118     int i;
 119     // first try the preferred drivers, with their optional subdevice param:
 120     if(ao_list && ao_list[0])
 121       while(ao_list[0][0]){
 122         char* ao=strdup(ao_list[0]);
 123         ao_subdevice=strchr(ao,':');
 124         if(ao_subdevice){
 125             ao_subdevice[0]=0;
 126             ++ao_subdevice;
 127         }
 128         for(i=0;audio_out_drivers[i];i++){
 129             ao_functions_t* audio_out=audio_out_drivers[i];
 130             if(!strcmp(audio_out->info->short_name,ao)){
 131                 // name matches, try it
 132                 if(use_plugin){
 133                     audio_out_plugin.control(AOCONTROL_SET_PLUGIN_DRIVER,audio_out);
 134                     audio_out=&audio_out_plugin;
 135                 }
 136                 if(audio_out->init(rate,channels,format,flags))
 137                     return audio_out; // success!
 138             }
 139         }
 140         // continue...
 141         ++ao_list;
 142         if(!(ao_list[0])) return NULL; // do NOT fallback to others
 143       }
 144     // now try the rest...
 145     ao_subdevice=NULL;
 146     for(i=0;audio_out_drivers[i];i++){
 147         ao_functions_t* audio_out=audio_out_drivers[i];
 148         if(use_plugin){
 149             audio_out_plugin.control(AOCONTROL_SET_PLUGIN_DRIVER,audio_out);
 150             audio_out=&audio_out_plugin;
 151         }
 152         if(audio_out->init(rate,channels,format,flags))
 153             return audio_out; // success!
 154     }
 155     return NULL;
 156 }
 157