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_ALSA1X
  33  extern ao_functions_t audio_out_alsa1x;
  34 #endif
  35 #ifdef HAVE_NAS
  36 extern ao_functions_t audio_out_nas;
  37 #endif
  38 #ifdef HAVE_SDL
  39 extern ao_functions_t audio_out_sdl;
  40 #endif
  41 #ifdef USE_SUN_AUDIO
  42 extern ao_functions_t audio_out_sun;
  43 #endif
  44 #ifdef USE_SGI_AUDIO
  45 extern ao_functions_t audio_out_sgi;
  46 #endif
  47 #ifdef HAVE_WIN32WAVEOUT
  48 extern ao_functions_t audio_out_win32;
  49 #endif
  50 #ifdef MACOSX
  51 extern ao_functions_t audio_out_macosx;
  52 #endif
  53 #ifdef HAVE_DXR2
  54 extern ao_functions_t audio_out_dxr2;
  55 #endif
  56 extern ao_functions_t audio_out_mpegpes;
  57 extern ao_functions_t audio_out_pcm;
  58 extern ao_functions_t audio_out_pss;
  59 extern ao_functions_t audio_out_plugin;
  60
  61 ao_functions_t* audio_out_drivers[] =
  62 {
  63 // vo-related:   will fail unless you also do -vo mpegpes/dxr2
  64         &audio_out_mpegpes,
  65 #ifdef HAVE_DXR2
  66         &audio_out_dxr2,
  67 #endif
  68 // native:
  69 #ifdef HAVE_WIN32WAVEOUT
  70         &audio_out_win32,
  71 #endif
  72 #ifdef MACOSX
  73         &audio_out_macosx,
  74 #endif
  75 #ifdef USE_OSS_AUDIO
  76         &audio_out_oss,
  77 #endif
  78 #ifdef HAVE_ALSA1X
  79         &audio_out_alsa1x,
  80 #endif
  81 #ifdef HAVE_ALSA9
  82         &audio_out_alsa9,
  83 #endif
  84 #ifdef HAVE_ALSA5
  85         &audio_out_alsa5,
  86 #endif
  87 #ifdef USE_SGI_AUDIO
  88         &audio_out_sgi,
  89 #endif
  90 #ifdef USE_SUN_AUDIO
  91         &audio_out_sun,
  92 #endif
  93 // wrappers:
  94 #ifdef USE_ARTS
  95         &audio_out_arts,
  96 #endif
  97 #ifdef USE_ESD
  98         &audio_out_esd,
  99 #endif
 100 #ifdef HAVE_NAS
 101         &audio_out_nas,
 102 #endif
 103 #ifdef HAVE_SDL
 104         &audio_out_sdl,
 105 #endif
 106         &audio_out_null,
 107 // should not be auto-selected:
 108         &audio_out_pcm,
 109         &audio_out_plugin,
 110         NULL
 111 };
 112
 113 void list_audio_out(){
 114       int i=0;
 115       mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AvailableAudioOutputDrivers);
 116       while (audio_out_drivers[i]) {
 117         const ao_info_t *info = audio_out_drivers[i++]->info;
 118         printf("\t%s\t%s\n", info->short_name, info->name);
 119       }
 120       printf("\n");
 121 }
 122
 123 ao_functions_t* init_best_audio_out(char** ao_list,int use_plugin,int rate,int channels,int format,int flags){
 124     int i;
 125     // first try the preferred drivers, with their optional subdevice param:
 126     if(ao_list && ao_list[0])
 127       while(ao_list[0][0]){
 128         char* ao=strdup(ao_list[0]);
 129         ao_subdevice=strchr(ao,':');
 130         if(ao_subdevice){
 131             ao_subdevice[0]=0;
 132             ++ao_subdevice;
 133         }
 134         for(i=0;audio_out_drivers[i];i++){
 135             ao_functions_t* audio_out=audio_out_drivers[i];
 136             if(!strcmp(audio_out->info->short_name,ao)){
 137                 // name matches, try it
 138                 if(use_plugin){
 139                     audio_out_plugin.control(AOCONTROL_SET_PLUGIN_DRIVER,audio_out);
 140                     audio_out=&audio_out_plugin;
 141                 }
 142                 if(audio_out->init(rate,channels,format,flags))
 143                     return audio_out; // success!
 144             }
 145         }
 146         // continue...
 147         ++ao_list;
 148         if(!(ao_list[0])) return NULL; // do NOT fallback to others
 149       }
 150     // now try the rest...
 151     ao_subdevice=NULL;
 152     for(i=0;audio_out_drivers[i];i++){
 153         ao_functions_t* audio_out=audio_out_drivers[i];
 154         if(use_plugin){
 155             audio_out_plugin.control(AOCONTROL_SET_PLUGIN_DRIVER,audio_out);
 156             audio_out=&audio_out_plugin;
 157         }
 158         if(audio_out->init(rate,channels,format,flags))
 159             return audio_out; // success!
 160     }
 161     return NULL;
 162 }
 163