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081116906d
Add configuration options for the BAP/PACS sink and source endpoint location (= channel positions) and context settings. Although BlueZ associates these with individual endpoints, in the PACS spec they are actually device-global, so configure directly in monitor settings.
215 lines
7.8 KiB
C
215 lines
7.8 KiB
C
/* Spa BAP codec API */
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/* SPDX-FileCopyrightText: Copyright © 2022 Collabora */
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/* SPDX-License-Identifier: MIT */
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#ifndef SPA_BLUEZ5_BAP_CODEC_CAPS_H_
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#define SPA_BLUEZ5_BAP_CODEC_CAPS_H_
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#include <spa/param/audio/format.h>
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#define BAP_CODEC_LC3 0x06
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#define LC3_TYPE_FREQ 0x01
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#define LC3_FREQ_8KHZ (1 << 0)
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#define LC3_FREQ_11KHZ (1 << 1)
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#define LC3_FREQ_16KHZ (1 << 2)
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#define LC3_FREQ_22KHZ (1 << 3)
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#define LC3_FREQ_24KHZ (1 << 4)
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#define LC3_FREQ_32KHZ (1 << 5)
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#define LC3_FREQ_44KHZ (1 << 6)
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#define LC3_FREQ_48KHZ (1 << 7)
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#define LC3_FREQ_ANY (LC3_FREQ_8KHZ | \
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LC3_FREQ_11KHZ | \
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LC3_FREQ_16KHZ | \
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LC3_FREQ_22KHZ | \
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LC3_FREQ_24KHZ | \
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LC3_FREQ_32KHZ | \
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LC3_FREQ_44KHZ | \
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LC3_FREQ_48KHZ)
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#define LC3_VAL_FREQ_8KHZ 8000
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#define LC3_VAL_FREQ_11KHZ 11025
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#define LC3_VAL_FREQ_16KHZ 16000
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#define LC3_VAL_FREQ_22KHZ 22050
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#define LC3_VAL_FREQ_24KHZ 24000
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#define LC3_VAL_FREQ_32KHZ 32000
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#define LC3_VAL_FREQ_44KHZ 44100
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#define LC3_VAL_FREQ_48KHZ 48000
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#define LC3_TYPE_DUR 0x02
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#define LC3_DUR_7_5 (1 << 0)
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#define LC3_DUR_10 (1 << 1)
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#define LC3_DUR_ANY (LC3_DUR_7_5 | \
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LC3_DUR_10)
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#define LC3_VAL_DUR_7_5 7.5
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#define LC3_VAL_DUR_10 10
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#define LC3_TYPE_CHAN 0x03
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#define LC3_CHAN_1 (1 << 0)
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#define LC3_CHAN_2 (1 << 1)
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#define LC3_CHAN_3 (1 << 2)
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#define LC3_CHAN_4 (1 << 3)
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#define LC3_CHAN_5 (1 << 4)
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#define LC3_CHAN_6 (1 << 5)
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#define LC3_CHAN_7 (1 << 6)
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#define LC3_CHAN_8 (1 << 7)
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#define LC3_VAL_CHAN_1 1
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#define LC3_VAL_CHAN_2 2
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#define LC3_VAL_CHAN_3 3
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#define LC3_VAL_CHAN_4 4
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#define LC3_VAL_CHAN_5 5
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#define LC3_VAL_CHAN_6 6
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#define LC3_VAL_CHAN_7 7
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#define LC3_VAL_CHAN_8 8
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#define LC3_TYPE_FRAMELEN 0x04
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#define LC3_TYPE_BLKS 0x05
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/* LC3 config parameters */
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#define LC3_CONFIG_FREQ_8KHZ 0x01
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#define LC3_CONFIG_FREQ_11KHZ 0x02
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#define LC3_CONFIG_FREQ_16KHZ 0x03
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#define LC3_CONFIG_FREQ_22KHZ 0x04
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#define LC3_CONFIG_FREQ_24KHZ 0x05
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#define LC3_CONFIG_FREQ_32KHZ 0x06
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#define LC3_CONFIG_FREQ_44KHZ 0x07
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#define LC3_CONFIG_FREQ_48KHZ 0x08
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#define LC3_CONFIG_DURATION_7_5 0x00
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#define LC3_CONFIG_DURATION_10 0x01
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#define LC3_MAX_CHANNELS 28
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#define BAP_CHANNEL_MONO 0x00000000 /* mono */
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#define BAP_CHANNEL_FL 0x00000001 /* front left */
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#define BAP_CHANNEL_FR 0x00000002 /* front right */
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#define BAP_CHANNEL_FC 0x00000004 /* front center */
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#define BAP_CHANNEL_LFE 0x00000008 /* LFE */
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#define BAP_CHANNEL_BL 0x00000010 /* back left */
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#define BAP_CHANNEL_BR 0x00000020 /* back right */
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#define BAP_CHANNEL_FLC 0x00000040 /* front left center */
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#define BAP_CHANNEL_FRC 0x00000080 /* front right center */
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#define BAP_CHANNEL_BC 0x00000100 /* back center */
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#define BAP_CHANNEL_LFE2 0x00000200 /* LFE 2 */
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#define BAP_CHANNEL_SL 0x00000400 /* side left */
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#define BAP_CHANNEL_SR 0x00000800 /* side right */
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#define BAP_CHANNEL_TFL 0x00001000 /* top front left */
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#define BAP_CHANNEL_TFR 0x00002000 /* top front right */
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#define BAP_CHANNEL_TFC 0x00004000 /* top front center */
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#define BAP_CHANNEL_TC 0x00008000 /* top center */
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#define BAP_CHANNEL_TBL 0x00010000 /* top back left */
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#define BAP_CHANNEL_TBR 0x00020000 /* top back right */
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#define BAP_CHANNEL_TSL 0x00040000 /* top side left */
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#define BAP_CHANNEL_TSR 0x00080000 /* top side right */
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#define BAP_CHANNEL_TBC 0x00100000 /* top back center */
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#define BAP_CHANNEL_BFC 0x00200000 /* bottom front center */
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#define BAP_CHANNEL_BFL 0x00400000 /* bottom front left */
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#define BAP_CHANNEL_BFR 0x00800000 /* bottom front right */
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#define BAP_CHANNEL_FLW 0x01000000 /* front left wide */
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#define BAP_CHANNEL_FRW 0x02000000 /* front right wide */
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#define BAP_CHANNEL_LS 0x04000000 /* left surround */
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#define BAP_CHANNEL_RS 0x08000000 /* right surround */
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#define BAP_CHANNEL_ALL 0x0fffffff /* mask of all */
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#define BAP_CONTEXT_PROHIBITED 0x0000 /* Prohibited */
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#define BAP_CONTEXT_UNSPECIFIED 0x0001 /* Unspecified */
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#define BAP_CONTEXT_CONVERSATIONAL 0x0002 /* Telephony, video calls, ... */
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#define BAP_CONTEXT_MEDIA 0x0004 /* Music, radio, podcast, movie soundtrack, TV */
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#define BAP_CONTEXT_GAME 0x0008 /* Gaming media, game effects, music, in-game voice chat */
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#define BAP_CONTEXT_INSTRUCTIONAL 0x0010 /* Instructional audio, navigation, announcements, user guidance */
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#define BAP_CONTEXT_VOICE 0x0020 /* Man-machine communication, voice recognition, virtual assistants */
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#define BAP_CONTEXT_LIVE 0x0040 /* Live audio, perceived both via direct acoustic path and via BAP */
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#define BAP_CONTEXT_SOUND_EFFECTS 0x0080 /* Keyboard and touch feedback, menu, UI, other system sounds */
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#define BAP_CONTEXT_NOTIFICATIONS 0x0100 /* Attention-seeking, message arrival, reminders */
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#define BAP_CONTEXT_RINGTONE 0x0200 /* Incoming call alert audio */
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#define BAP_CONTEXT_ALERTS 0x0400 /* Alarms and timers, critical battery, alarm clock, toaster */
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#define BAP_CONTEXT_EMERGENCY 0x0800 /* Fire alarm, other urgent alerts */
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#define BAP_CONTEXT_ALL 0x0fff
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#define BT_ISO_QOS_CIG_UNSET 0xff
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#define BT_ISO_QOS_CIS_UNSET 0xff
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#define BT_ISO_QOS_TARGET_LATENCY_LOW 0x01
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#define BT_ISO_QOS_TARGET_LATENCY_BALANCED 0x02
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#define BT_ISO_QOS_TARGET_LATENCY_RELIABILITY 0x03
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struct __attribute__((packed)) ltv {
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uint8_t len;
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uint8_t type;
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uint8_t value[];
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};
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struct bap_endpoint_qos {
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uint8_t framing;
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uint8_t phy;
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uint8_t retransmission;
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uint16_t latency;
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uint32_t delay_min;
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uint32_t delay_max;
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uint32_t preferred_delay_min;
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uint32_t preferred_delay_max;
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uint32_t locations;
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uint16_t supported_context;
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uint16_t context;
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uint32_t channel_allocation;
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};
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struct bap_codec_qos {
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uint32_t interval;
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uint8_t framing;
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uint8_t phy;
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uint16_t sdu;
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uint8_t retransmission;
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uint16_t latency;
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uint32_t delay;
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uint8_t target_latency;
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};
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struct bap_codec_qos_full {
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uint8_t cig;
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uint8_t cis;
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uint8_t big;
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uint8_t bis;
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struct bap_codec_qos qos;
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};
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static const struct {
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uint32_t bit;
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enum spa_audio_channel channel;
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} bap_channel_bits[] = {
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{ BAP_CHANNEL_MONO, SPA_AUDIO_CHANNEL_MONO },
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{ BAP_CHANNEL_FL, SPA_AUDIO_CHANNEL_FL },
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{ BAP_CHANNEL_FR, SPA_AUDIO_CHANNEL_FR },
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{ BAP_CHANNEL_FC, SPA_AUDIO_CHANNEL_FC },
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{ BAP_CHANNEL_LFE, SPA_AUDIO_CHANNEL_LFE },
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{ BAP_CHANNEL_BL, SPA_AUDIO_CHANNEL_RL },
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{ BAP_CHANNEL_BR, SPA_AUDIO_CHANNEL_RR },
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{ BAP_CHANNEL_FLC, SPA_AUDIO_CHANNEL_FLC },
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{ BAP_CHANNEL_FRC, SPA_AUDIO_CHANNEL_FRC },
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{ BAP_CHANNEL_BC, SPA_AUDIO_CHANNEL_BC },
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{ BAP_CHANNEL_LFE2, SPA_AUDIO_CHANNEL_LFE2 },
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{ BAP_CHANNEL_SL, SPA_AUDIO_CHANNEL_SL },
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{ BAP_CHANNEL_SR, SPA_AUDIO_CHANNEL_SR },
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{ BAP_CHANNEL_TFL, SPA_AUDIO_CHANNEL_TFL },
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{ BAP_CHANNEL_TFR, SPA_AUDIO_CHANNEL_TFR },
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{ BAP_CHANNEL_TFC, SPA_AUDIO_CHANNEL_TFC },
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{ BAP_CHANNEL_TC, SPA_AUDIO_CHANNEL_TC },
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{ BAP_CHANNEL_TBL, SPA_AUDIO_CHANNEL_TRL },
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{ BAP_CHANNEL_TBR, SPA_AUDIO_CHANNEL_TRR },
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{ BAP_CHANNEL_TSL, SPA_AUDIO_CHANNEL_TSL },
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{ BAP_CHANNEL_TSR, SPA_AUDIO_CHANNEL_TSR },
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{ BAP_CHANNEL_TBC, SPA_AUDIO_CHANNEL_TRC },
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{ BAP_CHANNEL_BFC, SPA_AUDIO_CHANNEL_BC },
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{ BAP_CHANNEL_BFL, SPA_AUDIO_CHANNEL_BLC },
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{ BAP_CHANNEL_BFR, SPA_AUDIO_CHANNEL_BRC },
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{ BAP_CHANNEL_FLW, SPA_AUDIO_CHANNEL_FLW },
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{ BAP_CHANNEL_FRW, SPA_AUDIO_CHANNEL_FRW },
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{ BAP_CHANNEL_LS, SPA_AUDIO_CHANNEL_SL }, /* is it the right mapping? */
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{ BAP_CHANNEL_RS, SPA_AUDIO_CHANNEL_SR }, /* is it the right mapping? */
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};
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#endif
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