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volume: introduce pa_cvolume_{get|set}_position()

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Lennart Poettering 2009-05-13 15:20:45 +02:00
parent 28069ef0f7
commit 905c8004a0
2 changed files with 59 additions and 0 deletions
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13
src/pulse/volume.h
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@ -283,6 +283,19 @@ pa_cvolume* pa_cvolume_set_fade(pa_cvolume *v, const pa_channel_map *map, float
* volumes are kept. \since 0.9.15 */
pa_cvolume* pa_cvolume_scale(pa_cvolume *v, pa_volume_t max);
/** Set the passed volume to all channels at the specified channel
* position. Will return the updated volume struct, or NULL if there
* is no channel at the position specified. You can check if a channel
* map includes a specific position by calling
* pa_channel_map_has_position(). \since 0.9.16 */
pa_cvolume* pa_cvolume_set_position(pa_cvolume *cv, const pa_channel_map *map, pa_channel_position_t t, pa_volume_t v);
/** Get the maximum volume of all channels at the specified channel
* position. Will return 0 if there is no channel at the position
* specified. You can check if a channel map includes a specific
* position by calling pa_channel_map_has_position(). \since 0.9.16 */
pa_volume_t pa_cvolume_get_position(pa_cvolume *cv, const pa_channel_map *map, pa_channel_position_t t);
PA_C_DECL_END
#endif