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merge 'lennart' branch back into trunk.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions
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20
src/pulse/volume.h
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@ -113,7 +113,7 @@ typedef struct pa_cvolume {
} pa_cvolume;
/** Return non-zero when *a == *b */
int pa_cvolume_equal(const pa_cvolume *a, const pa_cvolume *b);
int pa_cvolume_equal(const pa_cvolume *a, const pa_cvolume *b) PA_GCC_PURE;
/** Set the volume of all channels to PA_VOLUME_NORM */
#define pa_cvolume_reset(a, n) pa_cvolume_set((a), (n), PA_VOLUME_NORM)
@ -131,13 +131,13 @@ pa_cvolume* pa_cvolume_set(pa_cvolume *a, unsigned channels, pa_volume_t v);
char *pa_cvolume_snprint(char *s, size_t l, const pa_cvolume *c);
/** Return the average volume of all channels */
pa_volume_t pa_cvolume_avg(const pa_cvolume *a);
pa_volume_t pa_cvolume_avg(const pa_cvolume *a) PA_GCC_PURE;
/** Return TRUE when the passed cvolume structure is valid, FALSE otherwise */
int pa_cvolume_valid(const pa_cvolume *v);
int pa_cvolume_valid(const pa_cvolume *v) PA_GCC_PURE;
/** Return non-zero if the volume of all channels is equal to the specified value */
int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v);
int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v) PA_GCC_PURE;
/** Return 1 if the specified volume has all channels muted */
#define pa_cvolume_is_muted(a) pa_cvolume_channels_equal_to((a), PA_VOLUME_MUTED)
@ -146,22 +146,22 @@ int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v);
#define pa_cvolume_is_norm(a) pa_cvolume_channels_equal_to((a), PA_VOLUME_NORM)
/** Multiply two volumes specifications, return the result. This uses PA_VOLUME_NORM as neutral element of multiplication. This is only valid for software volumes! */
pa_volume_t pa_sw_volume_multiply(pa_volume_t a, pa_volume_t b);
pa_volume_t pa_sw_volume_multiply(pa_volume_t a, pa_volume_t b) PA_GCC_CONST;
/** Multiply to per-channel volumes and return the result in *dest. This is only valid for software volumes! */
pa_cvolume *pa_sw_cvolume_multiply(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b);
pa_cvolume *pa_sw_cvolume_multiply(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b) PA_GCC_PURE;
/** Convert a decibel value to a volume. This is only valid for software volumes! \since 0.4 */
pa_volume_t pa_sw_volume_from_dB(double f);
pa_volume_t pa_sw_volume_from_dB(double f) PA_GCC_CONST;
/** Convert a volume to a decibel value. This is only valid for software volumes! \since 0.4 */
double pa_sw_volume_to_dB(pa_volume_t v);
double pa_sw_volume_to_dB(pa_volume_t v) PA_GCC_CONST;
/** Convert a linear factor to a volume. This is only valid for software volumes! \since 0.8 */
pa_volume_t pa_sw_volume_from_linear(double v);
pa_volume_t pa_sw_volume_from_linear(double v) PA_GCC_CONST;
/** Convert a volume to a linear factor. This is only valid for software volumes! \since 0.8 */
double pa_sw_volume_to_linear(pa_volume_t v);
double pa_sw_volume_to_linear(pa_volume_t v) PA_GCC_CONST;
#ifdef INFINITY
#define PA_DECIBEL_MININFTY (-INFINITY)