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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2026-06-09 03:01:53 -04:00
fb74ab9054
Add 3 levels of volume limits. 1. Add api.acp.min-volume and api.acp.max-valume on the ACP devices that is applied to all noded from this device 2. Add api.acp.device.<node-name>.min-volume and api.acp.device.<node-name>.max-volume that is applied to all nodes from the device with the given node-name. 3. Add api.acp.port.<port-name>.min-volume and api.acp.port.<port-name>.max-volume that is applied to all ports from the device with the given port-name. The volume settings on an ALSA nodes can either go through the device on the Routes (ports) to control the hardware mixer volumes and then the remainder is performed on the nodes in software by the channel mixer. We need to set the limits on the channel mixer when the hardware mixer does not have routes. This is not an easy way to set the volume limits but it provides a static configuration option to enforce the limits. An easier configuration option will also make it easier to change/bypass the limits, which these options can guard against. See #5266, #4323, #1517
120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef PULSE_DEVICE_PORT_H
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#define PULSE_DEVICE_PORT_H
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#include "compat.h"
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#ifdef __cplusplus
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extern "C" {
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#else
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#include <stdbool.h>
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#endif
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typedef struct pa_card pa_card;
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typedef struct pa_device_port pa_device_port;
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/** Port type. \since 14.0 */
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typedef enum pa_device_port_type {
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PA_DEVICE_PORT_TYPE_UNKNOWN = 0,
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PA_DEVICE_PORT_TYPE_AUX = 1,
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PA_DEVICE_PORT_TYPE_SPEAKER = 2,
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PA_DEVICE_PORT_TYPE_HEADPHONES = 3,
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PA_DEVICE_PORT_TYPE_LINE = 4,
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PA_DEVICE_PORT_TYPE_MIC = 5,
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PA_DEVICE_PORT_TYPE_HEADSET = 6,
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PA_DEVICE_PORT_TYPE_HANDSET = 7,
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PA_DEVICE_PORT_TYPE_EARPIECE = 8,
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PA_DEVICE_PORT_TYPE_SPDIF = 9,
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PA_DEVICE_PORT_TYPE_HDMI = 10,
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PA_DEVICE_PORT_TYPE_TV = 11,
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PA_DEVICE_PORT_TYPE_RADIO = 12,
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PA_DEVICE_PORT_TYPE_VIDEO = 13,
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PA_DEVICE_PORT_TYPE_USB = 14,
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PA_DEVICE_PORT_TYPE_BLUETOOTH = 15,
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PA_DEVICE_PORT_TYPE_PORTABLE = 16,
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PA_DEVICE_PORT_TYPE_HANDSFREE = 17,
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PA_DEVICE_PORT_TYPE_CAR = 18,
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PA_DEVICE_PORT_TYPE_HIFI = 19,
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PA_DEVICE_PORT_TYPE_PHONE = 20,
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PA_DEVICE_PORT_TYPE_NETWORK = 21,
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PA_DEVICE_PORT_TYPE_ANALOG = 22,
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} pa_device_port_type_t;
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struct pa_device_port {
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struct acp_port port;
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pa_card *card;
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char *name;
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char *description;
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char *preferred_profile;
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pa_device_port_type_t type;
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unsigned priority;
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pa_available_t available; /* PA_AVAILABLE_UNKNOWN, PA_AVAILABLE_NO or PA_AVAILABLE_YES */
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char *availability_group; /* a string identifier which determine the group of devices handling the available state simultaneously */
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pa_direction_t direction;
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int64_t latency_offset;
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float volume_range[2];
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pa_proplist *proplist;
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pa_hashmap *profiles;
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pa_dynarray prof;
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pa_dynarray devices;
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void (*impl_free)(struct pa_device_port *port);
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void *user_data;
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};
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#define PA_DEVICE_PORT_DATA(p) (p->user_data);
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typedef struct pa_device_port_new_data {
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char *name;
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char *description;
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pa_available_t available;
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char *availability_group;
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pa_direction_t direction;
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pa_device_port_type_t type;
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} pa_device_port_new_data;
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pa_device_port_new_data *pa_device_port_new_data_init(pa_device_port_new_data *data);
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void pa_device_port_new_data_set_name(pa_device_port_new_data *data, const char *name);
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void pa_device_port_new_data_set_description(pa_device_port_new_data *data, const char *description);
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void pa_device_port_new_data_set_available(pa_device_port_new_data *data, pa_available_t available);
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void pa_device_port_new_data_set_availability_group(pa_device_port_new_data *data, const char *group);
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void pa_device_port_new_data_set_direction(pa_device_port_new_data *data, pa_direction_t direction);
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void pa_device_port_new_data_set_type(pa_device_port_new_data *data, pa_device_port_type_t type);
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void pa_device_port_new_data_done(pa_device_port_new_data *data);
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pa_device_port *pa_device_port_new(pa_core *c, pa_device_port_new_data *data, size_t extra);
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void pa_device_port_free(pa_device_port *port);
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void pa_device_port_set_available(pa_device_port *p, pa_available_t status);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PULSE_DEVICE_PORT_H */
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