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
   8 #include "mp_msg.h"
   9 #include "help_mp.h"
  10
  11 // there are some globals:
  12 ao_data_t ao_data={0,0,0,0,OUTBURST,-1,0};
  13 char *ao_subdevice = NULL;
  14
  15 extern ao_functions_t audio_out_oss;
  16 extern ao_functions_t audio_out_macosx;
  17 extern ao_functions_t audio_out_arts;
  18 extern ao_functions_t audio_out_esd;
  19 extern ao_functions_t audio_out_pulse;
  20 extern ao_functions_t audio_out_jack;
  21 extern ao_functions_t audio_out_openal;
  22 extern ao_functions_t audio_out_null;
  23 extern ao_functions_t audio_out_alsa5;
  24 extern ao_functions_t audio_out_alsa;
  25 extern ao_functions_t audio_out_nas;
  26 extern ao_functions_t audio_out_sdl;
  27 extern ao_functions_t audio_out_sun;
  28 extern ao_functions_t audio_out_sgi;
  29 extern ao_functions_t audio_out_win32;
  30 extern ao_functions_t audio_out_dsound;
  31 extern ao_functions_t audio_out_dxr2;
  32 extern ao_functions_t audio_out_ivtv;
  33 extern ao_functions_t audio_out_v4l2;
  34 extern ao_functions_t audio_out_mpegpes;
  35 extern ao_functions_t audio_out_pcm;
  36 extern ao_functions_t audio_out_pss;
  37
  38 const ao_functions_t* const audio_out_drivers[] =
  39 {
  40 // native:
  41 #ifdef CONFIG_DIRECTX
  42         &audio_out_dsound,
  43 #endif
  44 #ifdef CONFIG_WIN32WAVEOUT
  45         &audio_out_win32,
  46 #endif
  47 #ifdef CONFIG_COREAUDIO
  48         &audio_out_macosx,
  49 #endif
  50 #ifdef CONFIG_OSS_AUDIO
  51         &audio_out_oss,
  52 #endif
  53 #ifdef CONFIG_ALSA
  54         &audio_out_alsa,
  55 #endif
  56 #ifdef CONFIG_ALSA5
  57         &audio_out_alsa5,
  58 #endif
  59 #ifdef CONFIG_SGI_AUDIO
  60         &audio_out_sgi,
  61 #endif
  62 #ifdef CONFIG_SUN_AUDIO
  63         &audio_out_sun,
  64 #endif
  65 // wrappers:
  66 #ifdef CONFIG_ARTS
  67         &audio_out_arts,
  68 #endif
  69 #ifdef CONFIG_ESD
  70         &audio_out_esd,
  71 #endif
  72 #ifdef CONFIG_PULSE
  73         &audio_out_pulse,
  74 #endif
  75 #ifdef CONFIG_JACK
  76         &audio_out_jack,
  77 #endif
  78 #ifdef CONFIG_NAS
  79         &audio_out_nas,
  80 #endif
  81 #ifdef CONFIG_SDL
  82         &audio_out_sdl,
  83 #endif
  84 #ifdef CONFIG_OPENAL
  85         &audio_out_openal,
  86 #endif
  87         &audio_out_mpegpes,
  88 #ifdef CONFIG_DXR2
  89         &audio_out_dxr2,
  90 #endif
  91 #ifdef CONFIG_IVTV
  92         &audio_out_ivtv,
  93 #endif
  94 #ifdef CONFIG_V4L2_DECODER
  95         &audio_out_v4l2,
  96 #endif
  97         &audio_out_null,
  98 // should not be auto-selected:
  99         &audio_out_pcm,
 100         NULL
 101 };
 102
 103 void list_audio_out(void){
 104     int i=0;
 105     mp_msg(MSGT_AO, MSGL_INFO, MSGTR_AvailableAudioOutputDrivers);
 106     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_OUTPUTS\n");
 107     while (audio_out_drivers[i]) {
 108         const ao_info_t *info = audio_out_drivers[i++]->info;
 109         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 110     }
 111     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 112 }
 113
 114 const ao_functions_t* init_best_audio_out(char** ao_list,int use_plugin,int rate,int channels,int format,int flags){
 115     int i;
 116     // first try the preferred drivers, with their optional subdevice param:
 117     if(ao_list && ao_list[0])
 118       while(ao_list[0][0]){
 119         char* ao=ao_list[0];
 120         int ao_len;
 121         if (ao_subdevice) {
 122             free(ao_subdevice);
 123             ao_subdevice = NULL;
 124         }
 125         ao_subdevice=strchr(ao,':');
 126         if(ao_subdevice){
 127             ao_len = ao_subdevice - ao;
 128             ao_subdevice = strdup(&ao[ao_len + 1]);
 129         }
 130         else
 131             ao_len = strlen(ao);
 132
 133         mp_msg(MSGT_AO, MSGL_V, MSGTR_AO_TryingPreferredAudioDriver,
 134                ao_len, ao, ao_subdevice ? ao_subdevice : "[none]");
 135
 136         for(i=0;audio_out_drivers[i];i++){
 137             const ao_functions_t* audio_out=audio_out_drivers[i];
 138             if(!strncmp(audio_out->info->short_name,ao,ao_len)){
 139                 // name matches, try it
 140                 if(audio_out->init(rate,channels,format,flags))
 141                     return audio_out; // success!
 142                 else
 143                     mp_msg(MSGT_AO, MSGL_WARN, MSGTR_AO_FailedInit, ao);
 144                 break;
 145             }
 146         }
 147         if (!audio_out_drivers[i]) // we searched through the entire list
 148             mp_msg(MSGT_AO, MSGL_WARN, MSGTR_AO_NoSuchDriver, ao_len, ao);
 149         // continue...
 150         ++ao_list;
 151         if(!(ao_list[0])) return NULL; // do NOT fallback to others
 152       }
 153     if (ao_subdevice) {
 154         free(ao_subdevice);
 155         ao_subdevice = NULL;
 156     }
 157
 158     mp_msg(MSGT_AO, MSGL_V, MSGTR_AO_TryingEveryKnown);
 159
 160     // now try the rest...
 161     for(i=0;audio_out_drivers[i];i++){
 162         const ao_functions_t* audio_out=audio_out_drivers[i];
 163 //        if(audio_out->control(AOCONTROL_QUERY_FORMAT, (int)format) == CONTROL_TRUE)
 164         if(audio_out->init(rate,channels,format,flags))
 165             return audio_out; // success!
 166     }
 167     return NULL;
 168 }
 169