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pulse-server: split out volume handling

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Part of !776.
This commit is contained in:
Barnabás Pőcze 2021-06-18 22:04:45 +02:00
parent 43e2c64307
commit 4496c33751
6 changed files with 59 additions and 38 deletions
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50
src/modules/module-protocol-pulse/volume.h
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@ -26,7 +26,22 @@
#ifndef PULSE_SERVER_VOLUME_H
#define PULSE_SERVER_VOLUME_H
#include "internal.h"
#include <stdbool.h>
#include <stdint.h>
#include "format.h"
struct spa_pod;
struct volume {
uint8_t channels;
float values[CHANNELS_MAX];
};
#define VOLUME_INIT \
(struct volume) { \
.channels = 0, \
}
struct volume_info {
struct volume volume;
@ -40,12 +55,31 @@ struct volume_info {
uint32_t flags;
};
#define VOLUME_INFO_INIT (struct volume_info) { \
.volume = VOLUME_INIT, \
.mute = false, \
.level = 1.0, \
.base = 1.0, \
.steps = 256, \
}
#define VOLUME_INFO_INIT \
(struct volume_info) { \
.volume = VOLUME_INIT, \
.mute = false, \
.level = 1.0, \
.base = 1.0, \
.steps = 256, \
}
static inline bool volume_valid(const struct volume *vol)
{
if (vol->channels == 0 || vol->channels > CHANNELS_MAX)
return false;
return true;
}
static inline void volume_make(struct volume *vol, uint8_t channels)
{
uint8_t i;
for (i = 0; i < channels; i++)
vol->values[i] = 1.0f;
vol->channels = channels;
}
int volume_compare(struct volume *vol, struct volume *other);
int volume_parse_param(const struct spa_pod *param, struct volume_info *info, bool monitor);
#endif