diff options
Diffstat (limited to 'src/polyp/channelmap.c')
| -rw-r--r-- | src/polyp/channelmap.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/src/polyp/channelmap.c b/src/polyp/channelmap.c index 7bfd21e6..bb47deb8 100644 --- a/src/polyp/channelmap.c +++ b/src/polyp/channelmap.c @@ -71,34 +71,46 @@ pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels) { pa_channel_map_init(m); m->channels = channels; + + /* This is somewhat compatible with RFC3551 */ switch (channels) { case 1: m->map[0] = PA_CHANNEL_POSITION_MONO; return m; - case 8: - m->map[6] = PA_CHANNEL_POSITION_SIDE_LEFT; - m->map[7] = PA_CHANNEL_POSITION_SIDE_RIGHT; - /* Fall through */ - case 6: + m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT; + m->map[1] = PA_CHANNEL_POSITION_SIDE_LEFT; + m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER; + m->map[3] = PA_CHANNEL_POSITION_FRONT_RIGHT; + m->map[4] = PA_CHANNEL_POSITION_SIDE_RIGHT; m->map[5] = PA_CHANNEL_POSITION_LFE; - /* Fall through */ + return m; case 5: - m->map[4] = PA_CHANNEL_POSITION_FRONT_CENTER; - /* Fall through */ - - case 4: - m->map[2] = PA_CHANNEL_POSITION_REAR_LEFT; - m->map[3] = PA_CHANNEL_POSITION_REAR_RIGHT; + m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER; + m->map[3] = PA_CHANNEL_POSITION_REAR_LEFT; + m->map[4] = PA_CHANNEL_POSITION_REAR_RIGHT; /* Fall through */ case 2: m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT; m->map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT; return m; + + case 3: + m->map[0] = PA_CHANNEL_POSITION_LEFT; + m->map[1] = PA_CHANNEL_POSITION_RIGHT; + m->map[2] = PA_CHANNEL_POSITION_CENTER; + return m; + + case 4: + m->map[0] = PA_CHANNEL_POSITION_LEFT; + m->map[1] = PA_CHANNEL_POSITION_CENTER; + m->map[2] = PA_CHANNEL_POSITION_RIGHT; + m->map[3] = PA_CHANNEL_POSITION_LFE; + return m; default: return NULL; |