big s/polyp/pulse/g

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diff --git a/src/polyp/volume.h b/src/polyp/volume.h
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-#ifndef foovolumehfoo
-#define foovolumehfoo
-
-/* $Id$ */
-
-/***
-  This file is part of polypaudio.
- 
-  polypaudio is free software; you can redistribute it and/or modify
-  it under the terms of the GNU Lesser General Public License as published
-  by the Free Software Foundation; either version 2 of the License,
-  or (at your option) any later version.
- 
-  polypaudio is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
- 
-  You should have received a copy of the GNU Lesser General Public License
-  along with polypaudio; if not, write to the Free Software
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-  USA.
-***/
-
-#include <inttypes.h>
-#include <polyp/cdecl.h>
-#include <polyp/sample.h>
-
-/** \page volume Volume Control
- *
- * \section overv_sec Overview
- *
- * Sinks, sources, sink inputs and samples can all have their own volumes.
- * To deal with these, The Polypaudio libray contains a number of functions
- * that ease handling.
- *
- * The basic volume type in Polypaudio is the \ref pa_volume_t type. Most of
- * the time, applications will use the aggregated pa_cvolume structure that
- * can store the volume of all channels at once.
- *
- * Volumes commonly span between muted (0%), and normal (100%). It is possible
- * to set volumes to higher than 100%, but clipping might occur.
- *
- * \section calc_sec Calculations
- *
- * The volumes in Polypaudio are logarithmic in nature and applications
- * shouldn't perform calculations with them directly. Instead, they should
- * be converted to and from either dB or a linear scale:
- *
- * \li dB - pa_sw_volume_from_dB() / pa_sw_volume_to_dB()
- * \li Linear - pa_sw_volume_from_linear() / pa_sw_volume_to_linear()
- *
- * For simple multiplication, pa_sw_volume_multiply() and
- * pa_sw_cvolume_multiply() can be used.
- *
- * Calculations can only be reliably performed on software volumes
- * as it is commonly unknown what scale hardware volumes relate to.
- *
- * The functions described above are only valid when used with
- * software volumes. Hence it is usually a better idea to treat all
- * volume values as opaque with a range from PA_VOLUME_MUTE (0%) to
- * PA_VOLUME_NORM (100%) and to refrain from any calculations with
- * them.
- *
- * \section conv_sec Convenience Functions
- *
- * To handle the pa_cvolume structure, the Polypaudio library provides a
- * number of convenienc functions:
- *
- * \li pa_cvolume_valid() - Tests if a pa_cvolume structure is valid.
- * \li pa_cvolume_equal() - Tests if two pa_cvolume structures are identical.
- * \li pa_cvolume_channels_equal_to() - Tests if all channels of a pa_cvolume
- *                             structure have a given volume.
- * \li pa_cvolume_is_muted() - Tests if all channels of a pa_cvolume
- *                             structure are muted.
- * \li pa_cvolume_is_norm() - Tests if all channels of a pa_cvolume structure
- *                            are at a normal volume.
- * \li pa_cvolume_set() - Set all channels of a pa_cvolume structure to a
- *                        certain volume.
- * \li pa_cvolume_reset() - Set all channels of a pa_cvolume structure to a
- *                          normal volume.
- * \li pa_cvolume_mute() - Set all channels of a pa_cvolume structure to a
- *                         muted volume.
- * \li pa_cvolume_avg() - Return the average volume of all channels.
- * \li pa_cvolume_snprint() - Pretty print a pa_cvolume structure.
- */
-
-/** \file
- * Constants and routines for volume handling */
-
-PA_C_DECL_BEGIN
-
-/** Volume specification:
- *  PA_VOLUME_MUTED: silence;
- * < PA_VOLUME_NORM: decreased volume;
- *   PA_VOLUME_NORM: normal volume;
- * > PA_VOLUME_NORM: increased volume */
-typedef uint32_t pa_volume_t;
-
-/** Normal volume (100%) */
-#define PA_VOLUME_NORM (0x10000)
-
-/** Muted volume (0%) */
-#define PA_VOLUME_MUTED (0)
-
-/** A structure encapsulating a per-channel volume */
-typedef struct pa_cvolume {
-    uint8_t channels;                     /**< Number of channels */
-    pa_volume_t values[PA_CHANNELS_MAX];  /**< Per-channel volume  */
-} pa_cvolume;
-
-/** Return non-zero when *a == *b */
-int pa_cvolume_equal(const pa_cvolume *a, const pa_cvolume *b);
-
-/** Set the volume of all channels to PA_VOLUME_NORM */
-#define pa_cvolume_reset(a, n) pa_cvolume_set((a), (n), PA_VOLUME_NORM)
-
-/** Set the volume of all channels to PA_VOLUME_MUTED */
-#define pa_cvolume_mute(a, n) pa_cvolume_set((a), (n), PA_VOLUME_MUTED)
-
-/** Set the volume of all channels to the specified parameter */
-pa_cvolume* pa_cvolume_set(pa_cvolume *a, unsigned channels, pa_volume_t v);
-
-/** Maximum length of the strings returned by pa_cvolume_snprint() */
-#define PA_CVOLUME_SNPRINT_MAX 64
-
-/** Pretty print a volume structure */
-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);
-
-/** Return TRUE when the passed cvolume structure is valid, FALSE otherwise */
-int pa_cvolume_valid(const pa_cvolume *v);
-
-/** 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);
-
-/** 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)
-
-/** Return 1 if the specified volume has all channels on normal level */
-#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);
-
-/** 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);
-
-/** 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);
-
-/** 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);
-
-/** 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);
-
-/** 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);
-
-#ifdef INFINITY
-#define PA_DECIBEL_MININFTY (-INFINITY)
-#else
-/** This value is used as minus infinity when using pa_volume_{to,from}_dB(). \since 0.4 */
-#define PA_DECIBEL_MININFTY (-200)
-#endif
-
-PA_C_DECL_END
-
-#endif