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
  28 // there are some globals:
  29 ao_data_t ao_data={0,0,0,0,OUTBURST,-1,0};
  30 char *ao_subdevice = NULL;
  31
  32 extern const ao_functions_t audio_out_oss;
  33 extern const ao_functions_t audio_out_coreaudio;
  34 extern const ao_functions_t audio_out_arts;
  35 extern const ao_functions_t audio_out_esd;
  36 extern const ao_functions_t audio_out_pulse;
  37 extern const ao_functions_t audio_out_jack;
  38 extern const ao_functions_t audio_out_openal;
  39 extern const ao_functions_t audio_out_null;
  40 extern const ao_functions_t audio_out_alsa5;
  41 extern const ao_functions_t audio_out_alsa;
  42 extern const ao_functions_t audio_out_nas;
  43 extern const ao_functions_t audio_out_sdl;
  44 extern const ao_functions_t audio_out_sun;
  45 extern const ao_functions_t audio_out_sgi;
  46 extern const ao_functions_t audio_out_win32;
  47 extern const ao_functions_t audio_out_dsound;
  48 extern const ao_functions_t audio_out_kai;
  49 extern const ao_functions_t audio_out_dart;
  50 extern const ao_functions_t audio_out_ivtv;
  51 extern const ao_functions_t audio_out_v4l2;
  52 extern const ao_functions_t audio_out_mpegpes;
  53 extern const ao_functions_t audio_out_pcm;
  54 extern const ao_functions_t audio_out_pss;
  55
  56 const ao_functions_t* const audio_out_drivers[] =
  57 {
  58 // native:
  59 #ifdef CONFIG_DIRECTX
  60         &audio_out_dsound,
  61 #endif
  62 #ifdef CONFIG_WIN32WAVEOUT
  63         &audio_out_win32,
  64 #endif
  65 #ifdef CONFIG_KAI
  66         &audio_out_kai,
  67 #endif
  68 #ifdef CONFIG_DART
  69         &audio_out_dart,
  70 #endif
  71 #ifdef CONFIG_COREAUDIO
  72         &audio_out_coreaudio,
  73 #endif
  74 #ifdef CONFIG_OSS_AUDIO
  75         &audio_out_oss,
  76 #endif
  77 #ifdef CONFIG_ALSA
  78         &audio_out_alsa,
  79 #endif
  80 #ifdef CONFIG_ALSA5
  81         &audio_out_alsa5,
  82 #endif
  83 #ifdef CONFIG_SGI_AUDIO
  84         &audio_out_sgi,
  85 #endif
  86 #ifdef CONFIG_SUN_AUDIO
  87         &audio_out_sun,
  88 #endif
  89 // wrappers:
  90 #ifdef CONFIG_ARTS
  91         &audio_out_arts,
  92 #endif
  93 #ifdef CONFIG_ESD
  94         &audio_out_esd,
  95 #endif
  96 #ifdef CONFIG_PULSE
  97         &audio_out_pulse,
  98 #endif
  99 #ifdef CONFIG_JACK
 100         &audio_out_jack,
 101 #endif
 102 #ifdef CONFIG_NAS
 103         &audio_out_nas,
 104 #endif
 105 #ifdef CONFIG_SDL
 106         &audio_out_sdl,
 107 #endif
 108 #ifdef CONFIG_OPENAL
 109         &audio_out_openal,
 110 #endif
 111         &audio_out_mpegpes,
 112 #ifdef CONFIG_IVTV
 113         &audio_out_ivtv,
 114 #endif
 115 #ifdef CONFIG_V4L2_DECODER
 116         &audio_out_v4l2,
 117 #endif
 118         &audio_out_null,
 119 // should not be auto-selected:
 120         &audio_out_pcm,
 121         NULL
 122 };
 123
 124 void list_audio_out(void){
 125     int i=0;
 126     mp_tmsg(MSGT_AO, MSGL_INFO, "Available audio output drivers:\n");
 127     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_OUTPUTS\n");
 128     while (audio_out_drivers[i]) {
 129         const ao_info_t *info = audio_out_drivers[i++]->info;
 130         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 131     }
 132     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 133 }
 134
 135 const ao_functions_t* init_best_audio_out(char** ao_list,int use_plugin,int rate,int channels,int format,int flags){
 136     int i;
 137     // first try the preferred drivers, with their optional subdevice param:
 138     if(ao_list && ao_list[0])
 139       while(ao_list[0][0]){
 140         char* ao=ao_list[0];
 141         int ao_len;
 142         free(ao_subdevice);
 143         ao_subdevice = NULL;
 144         ao_subdevice=strchr(ao,':');
 145         if(ao_subdevice){
 146             ao_len = ao_subdevice - ao;
 147             ao_subdevice = strdup(&ao[ao_len + 1]);
 148         }
 149         else
 150             ao_len = strlen(ao);
 151
 152         mp_tmsg(MSGT_AO, MSGL_V, "Trying preferred audio driver '%.*s', options '%s'\n",
 153                ao_len, ao, ao_subdevice ? ao_subdevice : "[none]");
 154
 155         for(i=0;audio_out_drivers[i];i++){
 156             const ao_functions_t* audio_out=audio_out_drivers[i];
 157             if(!strncmp(audio_out->info->short_name,ao,ao_len)){
 158                 // name matches, try it
 159                 if(audio_out->init(rate,channels,format,flags))
 160                     return audio_out; // success!
 161                 else
 162                     mp_tmsg(MSGT_AO, MSGL_WARN, "Failed to initialize audio driver '%s'\n", ao);
 163                 break;
 164             }
 165         }
 166         if (!audio_out_drivers[i]) // we searched through the entire list
 167             mp_tmsg(MSGT_AO, MSGL_WARN, "No such audio driver '%.*s'\n", ao_len, ao);
 168         // continue...
 169         ++ao_list;
 170         if(!(ao_list[0])) return NULL; // do NOT fallback to others
 171       }
 172     free(ao_subdevice);
 173     ao_subdevice = NULL;
 174
 175     mp_tmsg(MSGT_AO, MSGL_V, "Trying every known audio driver...\n");
 176
 177     // now try the rest...
 178     for(i=0;audio_out_drivers[i];i++){
 179         const ao_functions_t* audio_out=audio_out_drivers[i];
 180 //        if(audio_out->control(AOCONTROL_QUERY_FORMAT, (int)format) == CONTROL_TRUE)
 181         if(audio_out->init(rate,channels,format,flags))
 182             return audio_out; // success!
 183     }
 184     return NULL;
 185 }