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_kai;
  50 extern const ao_functions_t audio_out_dart;
  51 extern const ao_functions_t audio_out_dxr2;
  52 extern const ao_functions_t audio_out_ivtv;
  53 extern const ao_functions_t audio_out_v4l2;
  54 extern const ao_functions_t audio_out_mpegpes;
  55 extern const ao_functions_t audio_out_pcm;
  56 extern const ao_functions_t audio_out_pss;
  57
  58 const ao_functions_t* const audio_out_drivers[] =
  59 {
  60 // native:
  61 #ifdef CONFIG_DIRECTX
  62         &audio_out_dsound,
  63 #endif
  64 #ifdef CONFIG_WIN32WAVEOUT
  65         &audio_out_win32,
  66 #endif
  67 #ifdef CONFIG_KAI
  68         &audio_out_kai,
  69 #endif
  70 #ifdef CONFIG_DART
  71         &audio_out_dart,
  72 #endif
  73 #ifdef CONFIG_COREAUDIO
  74         &audio_out_coreaudio,
  75 #endif
  76 #ifdef CONFIG_OSS_AUDIO
  77         &audio_out_oss,
  78 #endif
  79 #ifdef CONFIG_ALSA
  80         &audio_out_alsa,
  81 #endif
  82 #ifdef CONFIG_ALSA5
  83         &audio_out_alsa5,
  84 #endif
  85 #ifdef CONFIG_SGI_AUDIO
  86         &audio_out_sgi,
  87 #endif
  88 #ifdef CONFIG_SUN_AUDIO
  89         &audio_out_sun,
  90 #endif
  91 // wrappers:
  92 #ifdef CONFIG_ARTS
  93         &audio_out_arts,
  94 #endif
  95 #ifdef CONFIG_ESD
  96         &audio_out_esd,
  97 #endif
  98 #ifdef CONFIG_PULSE
  99         &audio_out_pulse,
 100 #endif
 101 #ifdef CONFIG_JACK
 102         &audio_out_jack,
 103 #endif
 104 #ifdef CONFIG_NAS
 105         &audio_out_nas,
 106 #endif
 107 #ifdef CONFIG_SDL
 108         &audio_out_sdl,
 109 #endif
 110 #ifdef CONFIG_OPENAL
 111         &audio_out_openal,
 112 #endif
 113         &audio_out_mpegpes,
 114 #ifdef CONFIG_DXR2
 115         &audio_out_dxr2,
 116 #endif
 117 #ifdef CONFIG_IVTV
 118         &audio_out_ivtv,
 119 #endif
 120 #ifdef CONFIG_V4L2_DECODER
 121         &audio_out_v4l2,
 122 #endif
 123         &audio_out_null,
 124 // should not be auto-selected:
 125         &audio_out_pcm,
 126         NULL
 127 };
 128
 129 void list_audio_out(void){
 130     int i=0;
 131     mp_tmsg(MSGT_AO, MSGL_INFO, "Available audio output drivers:\n");
 132     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_OUTPUTS\n");
 133     while (audio_out_drivers[i]) {
 134         const ao_info_t *info = audio_out_drivers[i++]->info;
 135         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 136     }
 137     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 138 }
 139
 140 const ao_functions_t* init_best_audio_out(char** ao_list,int use_plugin,int rate,int channels,int format,int flags){
 141     int i;
 142     // first try the preferred drivers, with their optional subdevice param:
 143     if(ao_list && ao_list[0])
 144       while(ao_list[0][0]){
 145         char* ao=ao_list[0];
 146         int ao_len;
 147         if (ao_subdevice) {
 148             free(ao_subdevice);
 149             ao_subdevice = NULL;
 150         }
 151         ao_subdevice=strchr(ao,':');
 152         if(ao_subdevice){
 153             ao_len = ao_subdevice - ao;
 154             ao_subdevice = strdup(&ao[ao_len + 1]);
 155         }
 156         else
 157             ao_len = strlen(ao);
 158
 159         mp_tmsg(MSGT_AO, MSGL_V, "Trying preferred audio driver '%.*s', options '%s'\n",
 160                ao_len, ao, ao_subdevice ? ao_subdevice : "[none]");
 161
 162         for(i=0;audio_out_drivers[i];i++){
 163             const ao_functions_t* audio_out=audio_out_drivers[i];
 164             if(!strncmp(audio_out->info->short_name,ao,ao_len)){
 165                 // name matches, try it
 166                 if(audio_out->init(rate,channels,format,flags))
 167                     return audio_out; // success!
 168                 else
 169                     mp_tmsg(MSGT_AO, MSGL_WARN, "Failed to initialize audio driver '%s'\n", ao);
 170                 break;
 171             }
 172         }
 173         if (!audio_out_drivers[i]) // we searched through the entire list
 174             mp_tmsg(MSGT_AO, MSGL_WARN, "No such audio driver '%.*s'\n", ao_len, ao);
 175         // continue...
 176         ++ao_list;
 177         if(!(ao_list[0])) return NULL; // do NOT fallback to others
 178       }
 179     if (ao_subdevice) {
 180         free(ao_subdevice);
 181         ao_subdevice = NULL;
 182     }
 183
 184     mp_tmsg(MSGT_AO, MSGL_V, "Trying every known audio driver...\n");
 185
 186     // now try the rest...
 187     for(i=0;audio_out_drivers[i];i++){
 188         const ao_functions_t* audio_out=audio_out_drivers[i];
 189 //        if(audio_out->control(AOCONTROL_QUERY_FORMAT, (int)format) == CONTROL_TRUE)
 190         if(audio_out->init(rate,channels,format,flags))
 191             return audio_out; // success!
 192     }
 193     return NULL;
 194 }