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volume: add pa_cvolume_inc_clamp function

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added function to increase volume not exceeding specified limit
simply changed PA_VOLUME_MAX to 'limit' in pa_cvolume_inc
pa_cvolume_inc now calls pa_cvolume_inc_clamp with PA_VOLUME_MAX limit
This commit is contained in:
Vladimir Kokarev 2009-09-19 19:43:24 +04:00 • committed by Lennart Poettering
parent 53b046d5c9
commit d2c59354d5
3 changed files with 12 additions and 3 deletions
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4
src/pulse/volume.h
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@ -348,6 +348,10 @@ pa_volume_t pa_cvolume_get_position(pa_cvolume *cv, const pa_channel_map *map, p
* and dest may point to the same structure. \since 0.9.16 */
pa_cvolume* pa_cvolume_merge(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b);
/** Increase the volume passed in by 'inc', but not exceeding 'limit'.
* The proportions between the channels are kept. \since 0.9.19 */
pa_cvolume* pa_cvolume_inc_clamp(pa_cvolume *v, pa_volume_t inc, pa_volume_t limit);
/** Increase the volume passed in by 'inc'. The proportions between
* the channels are kept. \since 0.9.16 */
pa_cvolume* pa_cvolume_inc(pa_cvolume *v, pa_volume_t inc);