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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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/* External Volume Control */
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/* SPDX-FileCopyrightText: Copyright © 2026 Arun Raghavan */
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/* SPDX-License-Identifier: MIT */
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#ifndef ACP_EXT_VOLUME_H
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#define ACP_EXT_VOLUME_H
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#include <stdint.h>
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#include <spa/param/audio/volume.h>
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#include <spa/support/varlink.h>
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typedef struct pa_cvolume pa_cvolume;
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struct acp_card;
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struct spa_acp_ext_volume {
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struct spa_varlink_client *client;
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struct spa_hook listener;
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enum spa_audio_volume_control_flags flags;
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};
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int spa_acp_ext_volume_init(struct spa_acp_ext_volume *ext_volume, struct spa_varlink *varlink,
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const char *path, const char *device, const char *route);
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void spa_acp_ext_volume_destroy(struct spa_acp_ext_volume *ext_volume);
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int spa_acp_ext_volume_read_volume(struct spa_acp_ext_volume *ext_volume,
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const char *device, const char *route, pa_cvolume *cvol);
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int spa_acp_ext_volume_write_volume_absolute(struct spa_acp_ext_volume *ext_volume,
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const char *device, const char *route, pa_cvolume *cvol);
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int spa_acp_ext_volume_write_volume_relative(struct spa_acp_ext_volume *ext_volume,
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const char *device, const char *route, float step);
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int spa_acp_ext_volume_read_mute(struct spa_acp_ext_volume *ext_volume,
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const char *device, const char *route, bool *mute);
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int spa_acp_ext_volume_write_mute_value(struct spa_acp_ext_volume *ext_volume,
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const char *device, const char *route, bool mute);
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int spa_acp_ext_volume_write_mute_toggle(struct spa_acp_ext_volume *ext_volume,
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const char *device, const char *route);
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#endif /* ACP_EXT_VOLUME_H */
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