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Add Microsoft's WAVEFORMWATEEXTENSIBLE channel mapping.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@890 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-05-17 06:58:43 +00:00
parent 05c1468520
commit c752e11c02
2 changed files with 60 additions and 0 deletions
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59
src/polyp/channelmap.c
View file

@ -214,6 +214,65 @@ pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, p
return m;
}
case PA_CHANNEL_MAP_WAVEEX:
switch (channels) {
case 1:
m->map[0] = PA_CHANNEL_POSITION_MONO;
return m;
case 18:
m->map[15] = PA_CHANNEL_POSITION_TOP_REAR_LEFT;
m->map[16] = PA_CHANNEL_POSITION_TOP_REAR_CENTER;
m->map[17] = PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
/* Fall through */
case 15:
m->map[12] = PA_CHANNEL_POSITION_TOP_FRONT_LEFT;
m->map[13] = PA_CHANNEL_POSITION_TOP_FRONT_CENTER;
m->map[14] = PA_CHANNEL_POSITION_TOP_FRONT_RIGHT;
/* Fall through */
case 12:
m->map[11] = PA_CHANNEL_POSITION_TOP_CENTER;
/* Fall through */
case 11:
m->map[9] = PA_CHANNEL_POSITION_SIDE_LEFT;
m->map[10] = PA_CHANNEL_POSITION_SIDE_RIGHT;
/* Fall through */
case 9:
m->map[8] = PA_CHANNEL_POSITION_REAR_CENTER;
/* Fall through */
case 8:
m->map[6] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
m->map[7] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
/* Fall through */
case 6:
m->map[4] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[5] = PA_CHANNEL_POSITION_REAR_RIGHT;
/* Fall through */
case 4:
m->map[3] = PA_CHANNEL_POSITION_LFE;
/* Fall through */
case 3:
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
/* Fall through */
case 2:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
return m;
default:
return NULL;
}
default:
return NULL;
}

1
src/polyp/channelmap.h
View file

@ -125,6 +125,7 @@ typedef enum pa_channel_map_def {
PA_CHANNEL_MAP_AIFF, /**< The mapping from RFC3551, which is based on AIFF-C */
PA_CHANNEL_MAP_ALSA, /**< The default mapping used by ALSA */
PA_CHANNEL_MAP_AUX, /**< Only aux channels */
PA_CHANNEL_MAP_WAVEEX, /**< Microsoft's WAVEFORMATEXTENSIBLE mapping */
PA_CHANNEL_MAP_DEFAULT = PA_CHANNEL_MAP_AIFF /**< The default channel map */
} pa_channel_map_def_t;