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volume: introduce pa_cvolume_min() and pa_cvolume_min_mask()

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This commit is contained in:
Lennart Poettering 2009-08-19 00:56:16 +02:00
parent 8f928b2e57
commit d634555a3e
3 changed files with 51 additions and 2 deletions
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10
src/pulse/volume.h
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@ -195,6 +195,16 @@ pa_volume_t pa_cvolume_max(const pa_cvolume *a) PA_GCC_PURE;
* \since 0.9.16 */
pa_volume_t pa_cvolume_max_mask(const pa_cvolume *a, const pa_channel_map *cm, pa_channel_position_mask_t mask) PA_GCC_PURE;
/** Return the minimum volume of all channels. \since 0.9.16 */
pa_volume_t pa_cvolume_min(const pa_cvolume *a) PA_GCC_PURE;
/** Return the minimum volume of all channels that are included in the
* specified channel map with the specified channel position mask. If
* cm is NULL this call is identical to pa_cvolume_min(). If no
* channel is selected the returned value will be PA_VOLUME_MUTED.
* \since 0.9.16 */
pa_volume_t pa_cvolume_min_mask(const pa_cvolume *a, const pa_channel_map *cm, pa_channel_position_mask_t mask) PA_GCC_PURE;
/** Return TRUE when the passed cvolume structure is valid, FALSE otherwise */
int pa_cvolume_valid(const pa_cvolume *v) PA_GCC_PURE;