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volume: Use a macro to check if a volume is valid

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This adds a PA_VOLUME_IS_VALID() macro for checking if a given
pa_volume_t is valid. This makes changes to the volume ranges simpler
(just change PA_VOLUME_MAX, for example, without needing to modify any
other code).
This commit is contained in:
Arun Raghavan 2010-10-09 22:30:20 +05:30
parent 4d84a00b49
commit 1d2ef7923d
9 changed files with 30 additions and 27 deletions
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4
src/pulse/scache.c
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@ -191,7 +191,7 @@ pa_operation *pa_context_play_sample(pa_context *c, const char *name, const char
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, dev);
if (volume == PA_VOLUME_INVALID && c->version < 15)
if (!PA_VOLUME_IS_VALID(volume) && c->version < 15)
volume = PA_VOLUME_NORM;
pa_tagstruct_putu32(t, volume);
@ -232,7 +232,7 @@ pa_operation *pa_context_play_sample_with_proplist(pa_context *c, const char *na
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, dev);
if (volume == PA_VOLUME_INVALID && c->version < 15)
if (!PA_VOLUME_IS_VALID(volume) && c->version < 15)
volume = PA_VOLUME_NORM;
pa_tagstruct_putu32(t, volume);