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pipewire/spa/plugins/bluez5/a2dp-codec-caps.h
Adam Marcus 79ee1eaff0 bluez5: add AAC-ELD codec
2024-01-22 14:04:16 +00:00

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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2006-2010 Nokia Corporation
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
* Copyright (C) 2018 Pali Rohár <pali.rohar@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef SPA_BLUEZ5_A2DP_CODEC_CAPS_H_
#define SPA_BLUEZ5_A2DP_CODEC_CAPS_H_
#include <stdint.h>
#include <stddef.h>
#define A2DP_CODEC_SBC 0x00
#define A2DP_CODEC_MPEG12 0x01
#define A2DP_CODEC_MPEG24 0x02
#define A2DP_CODEC_ATRAC 0x03
#define A2DP_CODEC_VENDOR 0xFF
#define A2DP_MAX_CAPS_SIZE 254
/* customized 16-bit vendor extension */
#define A2DP_CODEC_VENDOR_APTX 0x4FFF
#define A2DP_CODEC_VENDOR_LDAC 0x2DFF
#define SBC_SAMPLING_FREQ_48000 (1 << 0)
#define SBC_SAMPLING_FREQ_44100 (1 << 1)
#define SBC_SAMPLING_FREQ_32000 (1 << 2)
#define SBC_SAMPLING_FREQ_16000 (1 << 3)
#define SBC_CHANNEL_MODE_JOINT_STEREO (1 << 0)
#define SBC_CHANNEL_MODE_STEREO (1 << 1)
#define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
#define SBC_CHANNEL_MODE_MONO (1 << 3)
#define SBC_BLOCK_LENGTH_16 (1 << 0)
#define SBC_BLOCK_LENGTH_12 (1 << 1)
#define SBC_BLOCK_LENGTH_8 (1 << 2)
#define SBC_BLOCK_LENGTH_4 (1 << 3)
#define SBC_SUBBANDS_8 (1 << 0)
#define SBC_SUBBANDS_4 (1 << 1)
#define SBC_ALLOCATION_LOUDNESS (1 << 0)
#define SBC_ALLOCATION_SNR (1 << 1)
#define SBC_MIN_BITPOOL 2
#define SBC_MAX_BITPOOL 64
#define MPEG_CHANNEL_MODE_JOINT_STEREO (1 << 0)
#define MPEG_CHANNEL_MODE_STEREO (1 << 1)
#define MPEG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
#define MPEG_CHANNEL_MODE_MONO (1 << 3)
#define MPEG_LAYER_MP3 (1 << 0)
#define MPEG_LAYER_MP2 (1 << 1)
#define MPEG_LAYER_MP1 (1 << 2)
#define MPEG_SAMPLING_FREQ_48000 (1 << 0)
#define MPEG_SAMPLING_FREQ_44100 (1 << 1)
#define MPEG_SAMPLING_FREQ_32000 (1 << 2)
#define MPEG_SAMPLING_FREQ_24000 (1 << 3)
#define MPEG_SAMPLING_FREQ_22050 (1 << 4)
#define MPEG_SAMPLING_FREQ_16000 (1 << 5)
#define MPEG_BIT_RATE_VBR 0x8000
#define MPEG_BIT_RATE_320000 0x4000
#define MPEG_BIT_RATE_256000 0x2000
#define MPEG_BIT_RATE_224000 0x1000
#define MPEG_BIT_RATE_192000 0x0800
#define MPEG_BIT_RATE_160000 0x0400
#define MPEG_BIT_RATE_128000 0x0200
#define MPEG_BIT_RATE_112000 0x0100
#define MPEG_BIT_RATE_96000 0x0080
#define MPEG_BIT_RATE_80000 0x0040
#define MPEG_BIT_RATE_64000 0x0020
#define MPEG_BIT_RATE_56000 0x0010
#define MPEG_BIT_RATE_48000 0x0008
#define MPEG_BIT_RATE_40000 0x0004
#define MPEG_BIT_RATE_32000 0x0002
#define MPEG_BIT_RATE_FREE 0x0001
#define AAC_OBJECT_TYPE_MPEG2_AAC_LC 0x80
#define AAC_OBJECT_TYPE_MPEG4_AAC_LC 0x40
#define AAC_OBJECT_TYPE_MPEG4_AAC_LTP 0x20
#define AAC_OBJECT_TYPE_MPEG4_AAC_SCA 0x10
#define AAC_OBJECT_TYPE_MPEG4_AAC_ELD 0x02
#define AAC_SAMPLING_FREQ_8000 0x0800
#define AAC_SAMPLING_FREQ_11025 0x0400
#define AAC_SAMPLING_FREQ_12000 0x0200
#define AAC_SAMPLING_FREQ_16000 0x0100
#define AAC_SAMPLING_FREQ_22050 0x0080
#define AAC_SAMPLING_FREQ_24000 0x0040
#define AAC_SAMPLING_FREQ_32000 0x0020
#define AAC_SAMPLING_FREQ_44100 0x0010
#define AAC_SAMPLING_FREQ_48000 0x0008
#define AAC_SAMPLING_FREQ_64000 0x0004
#define AAC_SAMPLING_FREQ_88200 0x0002
#define AAC_SAMPLING_FREQ_96000 0x0001
#define AAC_CHANNELS_1 0x02
#define AAC_CHANNELS_2 0x01
#define AAC_GET_BITRATE(a) ((a).bitrate1 << 16 | \
(a).bitrate2 << 8 | (a).bitrate3)
#define AAC_GET_FREQUENCY(a) ((a).frequency1 << 4 | (a).frequency2)
#define AAC_SET_BITRATE(a, b) \
do { \
(a).bitrate1 = ((b) >> 16) & 0x7f; \
(a).bitrate2 = ((b) >> 8) & 0xff; \
(a).bitrate3 = (b) & 0xff; \
} while (0)
#define AAC_SET_FREQUENCY(a, f) \
do { \
(a).frequency1 = ((f) >> 4) & 0xff; \
(a).frequency2 = (f) & 0x0f; \
} while (0)
#define AAC_INIT_BITRATE(b) \
.bitrate1 = ((b) >> 16) & 0x7f, \
.bitrate2 = ((b) >> 8) & 0xff, \
.bitrate3 = (b) & 0xff,
#define AAC_INIT_FREQUENCY(f) \
.frequency1 = ((f) >> 4) & 0xff, \
.frequency2 = (f) & 0x0f,
#define APTX_VENDOR_ID 0x0000004f
#define APTX_CODEC_ID 0x0001
#define APTX_CHANNEL_MODE_MONO 0x01
#define APTX_CHANNEL_MODE_STEREO 0x02
#define APTX_SAMPLING_FREQ_16000 0x08
#define APTX_SAMPLING_FREQ_32000 0x04
#define APTX_SAMPLING_FREQ_44100 0x02
#define APTX_SAMPLING_FREQ_48000 0x01
#define APTX_HD_VENDOR_ID 0x000000D7
#define APTX_HD_CODEC_ID 0x0024
#define APTX_HD_CHANNEL_MODE_MONO 0x1
#define APTX_HD_CHANNEL_MODE_STEREO 0x2
#define APTX_HD_SAMPLING_FREQ_16000 0x8
#define APTX_HD_SAMPLING_FREQ_32000 0x4
#define APTX_HD_SAMPLING_FREQ_44100 0x2
#define APTX_HD_SAMPLING_FREQ_48000 0x1
#define APTX_LL_VENDOR_ID 0x0000000a
#define APTX_LL_VENDOR_ID2 0x000000d7
#define APTX_LL_CODEC_ID 0x0002
/**
* Default parameters for aptX LL (Sprint) encoder
*/
#define APTX_LL_TARGET_CODEC_LEVEL 180 /* target codec buffer level */
#define APTX_LL_INITIAL_CODEC_LEVEL 360 /* initial codec buffer level */
#define APTX_LL_SRA_MAX_RATE 50 /* x/10000 = 0.005 SRA rate */
#define APTX_LL_SRA_AVG_TIME 1 /* SRA averaging time = 1s */
#define APTX_LL_GOOD_WORKING_LEVEL 180 /* good working buffer level */
#define LDAC_VENDOR_ID 0x0000012d
#define LDAC_CODEC_ID 0x00aa
#define LDAC_CHANNEL_MODE_MONO 0x04
#define LDAC_CHANNEL_MODE_DUAL_CHANNEL 0x02
#define LDAC_CHANNEL_MODE_STEREO 0x01
#define LDAC_SAMPLING_FREQ_44100 0x20
#define LDAC_SAMPLING_FREQ_48000 0x10
#define LDAC_SAMPLING_FREQ_88200 0x08
#define LDAC_SAMPLING_FREQ_96000 0x04
#define LDAC_SAMPLING_FREQ_176400 0x02
#define LDAC_SAMPLING_FREQ_192000 0x01
#define FASTSTREAM_VENDOR_ID 0x0000000a
#define FASTSTREAM_CODEC_ID 0x0001
#define FASTSTREAM_DIRECTION_SINK 0x1
#define FASTSTREAM_DIRECTION_SOURCE 0x2
#define FASTSTREAM_SINK_SAMPLING_FREQ_44100 0x2
#define FASTSTREAM_SINK_SAMPLING_FREQ_48000 0x1
#define FASTSTREAM_SOURCE_SAMPLING_FREQ_16000 0x2
#define LC3PLUS_HR_GET_FRAME_DURATION(a) ((a).frame_duration & 0xf0)
#define LC3PLUS_HR_INIT_FRAME_DURATION(v) \
.frame_duration = ((v) & 0xf0),
#define LC3PLUS_HR_SET_FRAME_DURATION(a, v) \
do { \
(a).frame_duration = ((v) & 0xf0); \
} while (0)
#define LC3PLUS_HR_GET_FREQUENCY(a) (((a).frequency1 << 8) | (a).frequency2)
#define LC3PLUS_HR_INIT_FREQUENCY(v) \
.frequency1 = (((v) >> 8) & 0xff), \
.frequency2 = ((v) & 0xff),
#define LC3PLUS_HR_SET_FREQUENCY(a, v) \
do { \
(a).frequency1 = ((v) >> 8) & 0xff; \
(a).frequency2 = (v) & 0xff; \
} while (0)
#define LC3PLUS_HR_VENDOR_ID 0x000008a9
#define LC3PLUS_HR_CODEC_ID 0x0001
#define LC3PLUS_HR_FRAME_DURATION_10MS (1 << 6)
#define LC3PLUS_HR_FRAME_DURATION_5MS (1 << 5)
#define LC3PLUS_HR_FRAME_DURATION_2_5MS (1 << 4)
#define LC3PLUS_HR_CHANNELS_1 (1 << 7)
#define LC3PLUS_HR_CHANNELS_2 (1 << 6)
#define LC3PLUS_HR_SAMPLING_FREQ_48000 (1 << 8)
#define LC3PLUS_HR_SAMPLING_FREQ_96000 (1 << 7)
#define OPUS_05_VENDOR_ID 0x000005f1
#define OPUS_05_CODEC_ID 0x1005
#define OPUS_05_MAPPING_FAMILY_0 (1 << 0)
#define OPUS_05_MAPPING_FAMILY_1 (1 << 1)
#define OPUS_05_MAPPING_FAMILY_255 (1 << 2)
#define OPUS_05_FRAME_DURATION_25 (1 << 0)
#define OPUS_05_FRAME_DURATION_50 (1 << 1)
#define OPUS_05_FRAME_DURATION_100 (1 << 2)
#define OPUS_05_FRAME_DURATION_200 (1 << 3)
#define OPUS_05_FRAME_DURATION_400 (1 << 4)
#define OPUS_05_GET_UINT16(a, field) \
(((a).field ## 2 << 8) | (a).field ## 1)
#define OPUS_05_INIT_UINT16(field, v) \
.field ## 1 = ((v) & 0xff), \
.field ## 2 = (((v) >> 8) & 0xff),
#define OPUS_05_SET_UINT16(a, field, v) \
do { \
(a).field ## 1 = ((v) & 0xff); \
(a).field ## 2 = (((v) >> 8) & 0xff); \
} while (0)
#define OPUS_05_GET_UINT32(a, field) \
(((a).field ## 4 << 24) | ((a).field ## 3 << 16) | \
((a).field ## 2 << 8) | (a).field ## 1)
#define OPUS_05_INIT_UINT32(field, v) \
.field ## 1 = ((v) & 0xff), \
.field ## 2 = (((v) >> 8) & 0xff), \
.field ## 3 = (((v) >> 16) & 0xff), \
.field ## 4 = (((v) >> 24) & 0xff),
#define OPUS_05_SET_UINT32(a, field, v) \
do { \
(a).field ## 1 = ((v) & 0xff); \
(a).field ## 2 = (((v) >> 8) & 0xff); \
(a).field ## 3 = (((v) >> 16) & 0xff); \
(a).field ## 4 = (((v) >> 24) & 0xff); \
} while (0)
#define OPUS_05_GET_LOCATION(a) OPUS_05_GET_UINT32(a, location)
#define OPUS_05_INIT_LOCATION(v) OPUS_05_INIT_UINT32(location, v)
#define OPUS_05_SET_LOCATION(a, v) OPUS_05_SET_UINT32(a, location, v)
#define OPUS_05_GET_BITRATE(a) OPUS_05_GET_UINT16(a, bitrate)
#define OPUS_05_INIT_BITRATE(v) OPUS_05_INIT_UINT16(bitrate, v)
#define OPUS_05_SET_BITRATE(a, v) OPUS_05_SET_UINT16(a, bitrate, v)
typedef struct {
uint32_t vendor_id;
uint16_t codec_id;
} __attribute__ ((packed)) a2dp_vendor_codec_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t frequency;
uint8_t channel_mode;
} __attribute__ ((packed)) a2dp_ldac_t;
#if __BYTE_ORDER == __LITTLE_ENDIAN
typedef struct {
uint8_t channel_mode:4;
uint8_t frequency:4;
uint8_t allocation_method:2;
uint8_t subbands:2;
uint8_t block_length:4;
uint8_t min_bitpool;
uint8_t max_bitpool;
} __attribute__ ((packed)) a2dp_sbc_t;
typedef struct {
uint8_t channel_mode:4;
uint8_t crc:1;
uint8_t layer:3;
uint8_t frequency:6;
uint8_t mpf:1;
uint8_t rfa:1;
uint16_t bitrate;
} __attribute__ ((packed)) a2dp_mpeg_t;
typedef struct {
uint8_t object_type;
uint8_t frequency1;
uint8_t rfa:2;
uint8_t channels:2;
uint8_t frequency2:4;
uint8_t bitrate1:7;
uint8_t vbr:1;
uint8_t bitrate2;
uint8_t bitrate3;
} __attribute__ ((packed)) a2dp_aac_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t channel_mode:4;
uint8_t frequency:4;
} __attribute__ ((packed)) a2dp_aptx_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t channel_mode:4;
uint8_t frequency:4;
uint32_t rfa;
} __attribute__ ((packed)) a2dp_aptx_hd_t;
typedef struct {
a2dp_aptx_t aptx;
uint8_t bidirect_link:1;
uint8_t has_new_caps:1;
uint8_t reserved:6;
} __attribute__ ((packed)) a2dp_aptx_ll_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t direction;
uint8_t sink_frequency:4;
uint8_t source_frequency:4;
} __attribute__ ((packed)) a2dp_faststream_t;
#elif __BYTE_ORDER == __BIG_ENDIAN
typedef struct {
uint8_t frequency:4;
uint8_t channel_mode:4;
uint8_t block_length:4;
uint8_t subbands:2;
uint8_t allocation_method:2;
uint8_t min_bitpool;
uint8_t max_bitpool;
} __attribute__ ((packed)) a2dp_sbc_t;
typedef struct {
uint8_t layer:3;
uint8_t crc:1;
uint8_t channel_mode:4;
uint8_t rfa:1;
uint8_t mpf:1;
uint8_t frequency:6;
uint16_t bitrate;
} __attribute__ ((packed)) a2dp_mpeg_t;
typedef struct {
uint8_t object_type;
uint8_t frequency1;
uint8_t frequency2:4;
uint8_t channels:2;
uint8_t rfa:2;
uint8_t vbr:1;
uint8_t bitrate1:7;
uint8_t bitrate2;
uint8_t bitrate3;
} __attribute__ ((packed)) a2dp_aac_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t frequency:4;
uint8_t channel_mode:4;
} __attribute__ ((packed)) a2dp_aptx_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t frequency:4;
uint8_t channel_mode:4;
uint32_t rfa;
} __attribute__ ((packed)) a2dp_aptx_hd_t;
typedef struct {
a2dp_aptx_t aptx;
uint8_t reserved:6;
uint8_t has_new_caps:1;
uint8_t bidirect_link:1;
} __attribute__ ((packed)) a2dp_aptx_ll_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t direction;
uint8_t source_frequency:4;
uint8_t sink_frequency:4;
} __attribute__ ((packed)) a2dp_faststream_t;
#else
#error "Unknown byte order"
#endif
typedef struct {
a2dp_aptx_ll_t base;
uint8_t reserved;
uint8_t target_level2;
uint8_t target_level1;
uint8_t initial_level2;
uint8_t initial_level1;
uint8_t sra_max_rate;
uint8_t sra_avg_time;
uint8_t good_working_level2;
uint8_t good_working_level1;
} __attribute__ ((packed)) a2dp_aptx_ll_ext_t;
typedef struct {
a2dp_vendor_codec_t info;
uint8_t frame_duration;
uint8_t channels;
uint8_t frequency1;
uint8_t frequency2;
} __attribute__ ((packed)) a2dp_lc3plus_hr_t;
typedef struct {
uint8_t channels;
uint8_t coupled_streams;
uint8_t location1;
uint8_t location2;
uint8_t location3;
uint8_t location4;
uint8_t frame_duration;
uint8_t bitrate1;
uint8_t bitrate2;
} __attribute__ ((packed)) a2dp_opus_05_direction_t;
typedef struct {
a2dp_vendor_codec_t info;
a2dp_opus_05_direction_t main;
a2dp_opus_05_direction_t bidi;
} __attribute__ ((packed)) a2dp_opus_05_t;
#endif
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