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alsa-acp: Add libacp based card device
libacp is a port and wrapper around the pulseaudio card profile code. It uses a set of templates for construct a card profile and mixer port settings. It also has support for UCM when available for the hardware.
This commit is contained in:
Wim Taymans
parent
5c6247daef
commit
1612f5e4d2
31 changed files with 15304 additions and 11 deletions
239
spa/plugins/alsa/acp/acp.h
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239
spa/plugins/alsa/acp/acp.h
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/* ALSA Card Profile
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*
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* Copyright © 2020 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef ACP_H
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#define ACP_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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#include <stdio.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <poll.h>
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#ifdef __GNUC__
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#define ACP_PRINTF_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1)))
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#else
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#define ACP_PRINTF_FUNC(fmt, arg1)
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#endif
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struct acp_dict_item {
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const char *key;
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const char *value;
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};
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#define ACP_DICT_ITEM_INIT(key,value) (struct acp_dict_item) { key, value }
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struct acp_dict {
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uint32_t flags;
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uint32_t n_items;
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const struct acp_dict_item *items;
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};
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struct acp_format {
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uint32_t flags;
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uint32_t format_mask;
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uint32_t rate_mask;
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uint32_t channels;
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uint32_t map[64];
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};
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#define ACP_DICT_INIT(items,n_items) (struct acp_dict) { 0, n_items, items }
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#define ACP_DICT_INIT_ARRAY(items) (struct acp_dict) { 0, sizeof(items)/sizeof((items)[0]), items }
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#define acp_dict_for_each(item, dict) \
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for ((item) = (dict)->items; \
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(item) < &(dict)->items[(dict)->n_items]; \
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(item)++)
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enum acp_direction {
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ACP_DIRECTION_PLAYBACK = 1,
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ACP_DIRECTION_CAPTURE = 2
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};
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enum acp_available {
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ACP_AVAILABLE_UNKNOWN = 0,
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ACP_AVAILABLE_NO = 1,
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ACP_AVAILABLE_YES = 2
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};
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enum acp_port_type {
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ACP_PORT_TYPE_UNKNOWN = 0,
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ACP_PORT_TYPE_AUX = 1,
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ACP_PORT_TYPE_SPEAKER = 2,
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ACP_PORT_TYPE_HEADPHONES = 3,
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ACP_PORT_TYPE_LINE = 4,
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ACP_PORT_TYPE_MIC = 5,
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ACP_PORT_TYPE_HEADSET = 6,
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ACP_PORT_TYPE_HANDSET = 7,
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ACP_PORT_TYPE_EARPIECE = 8,
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ACP_PORT_TYPE_SPDIF = 9,
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ACP_PORT_TYPE_HDMI = 10,
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ACP_PORT_TYPE_TV = 11,
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ACP_PORT_TYPE_RADIO = 12,
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ACP_PORT_TYPE_VIDEO = 13,
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ACP_PORT_TYPE_USB = 14,
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ACP_PORT_TYPE_BLUETOOTH = 15,
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ACP_PORT_TYPE_PORTABLE = 16,
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ACP_PORT_TYPE_HANDSFREE = 17,
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ACP_PORT_TYPE_CAR = 18,
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ACP_PORT_TYPE_HIFI = 19,
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ACP_PORT_TYPE_PHONE = 20,
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ACP_PORT_TYPE_NETWORK = 21,
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ACP_PORT_TYPE_ANALOG = 22,
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};
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struct acp_device;
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struct acp_card_events {
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#define ACP_VERSION_CARD_EVENTS 0
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uint32_t version;
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void (*destroy) (void *data);
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void (*props_changed) (void *data);
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void (*profile_changed) (void *data, uint32_t old_index, uint32_t new_index);
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void (*profile_available) (void *data, uint32_t index,
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enum acp_available old, enum acp_available available);
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void (*port_available) (void *data, uint32_t index,
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enum acp_available old, enum acp_available available);
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void (*volume_changed) (void *data, struct acp_device *dev);
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void (*mute_changed) (void *data, struct acp_device *dev);
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};
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struct acp_port {
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uint32_t index;
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#define ACP_PORT_ACTIVE (1<<0)
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uint32_t flags;
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char *name;
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char *description;
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uint32_t priority;
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enum acp_direction direction;
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enum acp_available available;
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char *available_group; /* a string indentifier which determine the group of devices
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* handling the available state simulteneously */
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enum acp_port_type type;
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struct acp_dict props;
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uint32_t n_profiles;
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struct acp_card_profile **profiles;
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};
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struct acp_device {
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uint32_t index;
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#define ACP_DEVICE_ACTIVE (1<<0)
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#define ACP_DEVICE_HW_VOLUME (1<<1)
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#define ACP_DEVICE_HW_MUTE (1<<2)
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uint32_t flags;
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char *name;
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char *description;
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uint32_t priority;
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enum acp_direction direction;
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struct acp_dict props;
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char **device_strings;
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struct acp_format format;
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struct acp_port **ports;
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uint32_t n_ports;
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};
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struct acp_card_profile {
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uint32_t index;
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#define ACP_PROFILE_ACTIVE (1<<0)
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uint32_t flags;
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char *name;
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char *description;
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uint32_t priority;
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enum acp_available available;
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struct acp_dict props;
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uint32_t n_devices;
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struct acp_device **devices;
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};
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struct acp_card {
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uint32_t index;
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uint32_t flags;
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struct acp_dict props;
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uint32_t n_profiles;
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struct acp_card_profile **profiles;
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uint32_t active_profile_index;
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uint32_t n_devices;
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struct acp_device **devices;
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uint32_t n_ports;
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struct acp_port **ports;
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uint32_t preferred_input_port_index;
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uint32_t preferred_output_port_index;
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};
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struct acp_card *acp_card_new(uint32_t index, const struct acp_dict *props);
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void acp_card_add_listener(struct acp_card *card,
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const struct acp_card_events *events, void *user_data);
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void acp_card_destroy(struct acp_card *card);
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int acp_card_poll_descriptors_count(struct acp_card *card);
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int acp_card_poll_descriptors(struct acp_card *card, struct pollfd *pfds, unsigned int space);
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int acp_card_poll_descriptors_revents(struct acp_card *card, struct pollfd *pfds,
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unsigned int nfds, unsigned short *revents);
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int acp_card_handle_events(struct acp_card *card);
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int acp_card_set_profile(struct acp_card *card, uint32_t profile_index);
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int acp_device_set_port(struct acp_device *dev, uint32_t port_index);
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int acp_device_set_volume(struct acp_device *dev, const float *volume, uint32_t n_volume);
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int acp_device_get_volume(struct acp_device *dev, float *volume, uint32_t n_volume);
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int acp_device_set_mute(struct acp_device *dev, bool mute);
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int acp_device_get_mute(struct acp_device *dev, bool *mute);
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typedef void (*acp_log_func) (void *data,
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int level, const char *file, int line, const char *func,
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const char *fmt, va_list arg) ACP_PRINTF_FUNC(6,0);
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void acp_set_log_func(acp_log_func, void *data);
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void acp_set_log_level(int level);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ACP_H */
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