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bluez5: Add LC3 codec support to LE Audio BAP

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By default this codec is disabled as the BlueZ support for LE Audio is
still experimental.
This commit is contained in:
Frédéric Danis 2022-06-16 09:56:52 +02:00 • committed by Wim Taymans
parent fd0bcb1699
commit 201fd7755d
9 changed files with 820 additions and 3 deletions
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87
spa/plugins/bluez5/bap-codec-caps.h Normal file
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/* Spa BAP codec API
*
* Copyright © 2022 Collabora
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef SPA_BLUEZ5_BAP_CODEC_CAPS_H_
#define SPA_BLUEZ5_BAP_CODEC_CAPS_H_
#define BAP_CODEC_LC3 0x06
#define LC3_TYPE_FREQ 0x01
#define LC3_FREQ_8KHZ (1 << 0)
#define LC3_FREQ_11KHZ (1 << 1)
#define LC3_FREQ_16KHZ (1 << 2)
#define LC3_FREQ_22KHZ (1 << 3)
#define LC3_FREQ_24KHZ (1 << 4)
#define LC3_FREQ_32KHZ (1 << 5)
#define LC3_FREQ_44KHZ (1 << 6)
#define LC3_FREQ_48KHZ (1 << 7)
#define LC3_FREQ_ANY (LC3_FREQ_8KHZ | \
LC3_FREQ_11KHZ | \
LC3_FREQ_16KHZ | \
LC3_FREQ_22KHZ | \
LC3_FREQ_24KHZ | \
LC3_FREQ_32KHZ | \
LC3_FREQ_44KHZ | \
LC3_FREQ_48KHZ)
#define LC3_TYPE_DUR 0x02
#define LC3_DUR_7_5 (1 << 0)
#define LC3_DUR_10 (1 << 1)
#define LC3_DUR_ANY (LC3_DUR_7_5 | \
LC3_DUR_10)
#define LC3_TYPE_CHAN 0x03
#define LC3_CHAN_1 (1 << 0)
#define LC3_CHAN_2 (1 << 1)
#define LC3_TYPE_FRAMELEN 0x04
#define LC3_TYPE_BLKS 0x05
/* LC3 config parameters */
#define LC3_CONFIG_FREQ_8KHZ 0x01
#define LC3_CONFIG_FREQ_11KHZ 0x02
#define LC3_CONFIG_FREQ_16KHZ 0x03
#define LC3_CONFIG_FREQ_22KHZ 0x04
#define LC3_CONFIG_FREQ_24KHZ 0x05
#define LC3_CONFIG_FREQ_32KHZ 0x06
#define LC3_CONFIG_FREQ_44KHZ 0x07
#define LC3_CONFIG_FREQ_48KHZ 0x08
#define LC3_CONFIG_DURATION_7_5 0x00
#define LC3_CONFIG_DURATION_10 0x01
#define LC3_CONFIG_CHNL_NOT_ALLOWED 0x00000000
#define LC3_CONFIG_CHNL_FL 0x00000001 /* front left */
#define LC3_CONFIG_CHNL_FR 0x00000002 /* front right */
#define LC3_MAX_CHANNELS 2
typedef struct {
uint8_t rate;
uint8_t frame_duration;
uint32_t channels;
uint16_t framelen;
uint8_t n_blks;
} __attribute__ ((packed)) bap_lc3_t;
#endif