libao2/audio_out.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 #include "config.h"
  24 #include "audio_out.h"
  25
  26 #include "mp_msg.h"
  27 #include "help_mp.h"
  28
  29 // there are some globals:
  30 ao_data_t ao_data={0,0,0,0,OUTBURST,-1,0};
  31 char *ao_subdevice = NULL;
  32
  33 extern const ao_functions_t audio_out_oss;
  34 extern const ao_functions_t audio_out_coreaudio;
  35 extern const ao_functions_t audio_out_arts;
  36 extern const ao_functions_t audio_out_esd;
  37 extern const ao_functions_t audio_out_pulse;
  38 extern const ao_functions_t audio_out_jack;
  39 extern const ao_functions_t audio_out_openal;
  40 extern const ao_functions_t audio_out_null;
  41 extern const ao_functions_t audio_out_alsa5;
  42 extern const ao_functions_t audio_out_alsa;
  43 extern const ao_functions_t audio_out_nas;
  44 extern const ao_functions_t audio_out_sdl;
  45 extern const ao_functions_t audio_out_sun;
  46 extern const ao_functions_t audio_out_sgi;
  47 extern const ao_functions_t audio_out_win32;
  48 extern const ao_functions_t audio_out_dsound;
  49 extern const ao_functions_t audio_out_dart;
  50 extern const ao_functions_t audio_out_dxr2;
  51 extern const ao_functions_t audio_out_ivtv;
  52 extern const ao_functions_t audio_out_v4l2;
  53 extern const ao_functions_t audio_out_mpegpes;
  54 extern const ao_functions_t audio_out_pcm;
  55 extern const ao_functions_t audio_out_pss;
  56
  57 const ao_functions_t* const audio_out_drivers[] =
  58 {
  59 // native:
  60 #ifdef CONFIG_DIRECTX
  61         &audio_out_dsound,
  62 #endif
  63 #ifdef CONFIG_WIN32WAVEOUT
  64         &audio_out_win32,
  65 #endif
  66 #ifdef CONFIG_DART
  67         &audio_out_dart,
  68 #endif
  69 #ifdef CONFIG_COREAUDIO
  70         &audio_out_coreaudio,
  71 #endif
  72 #ifdef CONFIG_OSS_AUDIO
  73         &audio_out_oss,
  74 #endif
  75 #ifdef CONFIG_ALSA
  76         &audio_out_alsa,
  77 #endif
  78 #ifdef CONFIG_ALSA5
  79         &audio_out_alsa5,
  80 #endif
  81 #ifdef CONFIG_SGI_AUDIO
  82         &audio_out_sgi,
  83 #endif
  84 #ifdef CONFIG_SUN_AUDIO
  85         &audio_out_sun,
  86 #endif
  87 // wrappers:
  88 #ifdef CONFIG_ARTS
  89         &audio_out_arts,
  90 #endif
  91 #ifdef CONFIG_ESD
  92         &audio_out_esd,
  93 #endif
  94 #ifdef CONFIG_PULSE
  95         &audio_out_pulse,
  96 #endif
  97 #ifdef CONFIG_JACK
  98         &audio_out_jack,
  99 #endif
 100 #ifdef CONFIG_NAS
 101         &audio_out_nas,
 102 #endif
 103 #ifdef CONFIG_SDL
 104         &audio_out_sdl,
 105 #endif
 106 #ifdef CONFIG_OPENAL
 107         &audio_out_openal,
 108 #endif
 109         &audio_out_mpegpes,
 110 #ifdef CONFIG_DXR2
 111         &audio_out_dxr2,
 112 #endif
 113 #ifdef CONFIG_IVTV
 114         &audio_out_ivtv,
 115 #endif
 116 #ifdef CONFIG_V4L2_DECODER
 117         &audio_out_v4l2,
 118 #endif
 119         &audio_out_null,
 120 // should not be auto-selected:
 121         &audio_out_pcm,
 122         NULL
 123 };
 124
 125 void list_audio_out(void){
 126     int i=0;
 127     mp_tmsg(MSGT_AO, MSGL_INFO, "Available audio output drivers:\n");
 128     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_OUTPUTS\n");
 129     while (audio_out_drivers[i]) {
 130         const ao_info_t *info = audio_out_drivers[i++]->info;
 131         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 132     }
 133     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 134 }
 135
 136 const ao_functions_t* init_best_audio_out(char** ao_list,int use_plugin,int rate,int channels,int format,int flags){
 137     int i;
 138     // first try the preferred drivers, with their optional subdevice param:
 139     if(ao_list && ao_list[0])
 140       while(ao_list[0][0]){
 141         char* ao=ao_list[0];
 142         int ao_len;
 143         if (ao_subdevice) {
 144             free(ao_subdevice);
 145             ao_subdevice = NULL;
 146         }
 147         ao_subdevice=strchr(ao,':');
 148         if(ao_subdevice){
 149             ao_len = ao_subdevice - ao;
 150             ao_subdevice = strdup(&ao[ao_len + 1]);
 151         }
 152         else
 153             ao_len = strlen(ao);
 154
 155         mp_tmsg(MSGT_AO, MSGL_V, "Trying preferred audio driver '%.*s', options '%s'\n",
 156                ao_len, ao, ao_subdevice ? ao_subdevice : "[none]");
 157
 158         for(i=0;audio_out_drivers[i];i++){
 159             const ao_functions_t* audio_out=audio_out_drivers[i];
 160             if(!strncmp(audio_out->info->short_name,ao,ao_len)){
 161                 // name matches, try it
 162                 if(audio_out->init(rate,channels,format,flags))
 163                     return audio_out; // success!
 164                 else
 165                     mp_tmsg(MSGT_AO, MSGL_WARN, "Failed to initialize audio driver '%s'\n", ao);
 166                 break;
 167             }
 168         }
 169         if (!audio_out_drivers[i]) // we searched through the entire list
 170             mp_tmsg(MSGT_AO, MSGL_WARN, "No such audio driver '%.*s'\n", ao_len, ao);
 171         // continue...
 172         ++ao_list;
 173         if(!(ao_list[0])) return NULL; // do NOT fallback to others
 174       }
 175     if (ao_subdevice) {
 176         free(ao_subdevice);
 177         ao_subdevice = NULL;
 178     }
 179
 180     mp_tmsg(MSGT_AO, MSGL_V, "Trying every known audio driver...\n");
 181
 182     // now try the rest...
 183     for(i=0;audio_out_drivers[i];i++){
 184         const ao_functions_t* audio_out=audio_out_drivers[i];
 185 //        if(audio_out->control(AOCONTROL_QUERY_FORMAT, (int)format) == CONTROL_TRUE)
 186         if(audio_out->init(rate,channels,format,flags))
 187             return audio_out; // success!
 188     }
 189     return NULL;
 190 }
 191