mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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ae7a893ce9
A2DP v1.4 uses the rfa bits for adding 5.1 and 7.1 configurations. Clear those bits properly when sending configuration, in case remote device sets them.
491 lines
14 KiB
C
491 lines
14 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2006-2010 Nokia Corporation
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
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* Copyright (C) 2018 Pali Rohár <pali.rohar@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef SPA_BLUEZ5_A2DP_CODEC_CAPS_H_
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#define SPA_BLUEZ5_A2DP_CODEC_CAPS_H_
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#include <stdint.h>
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#include <stddef.h>
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#define A2DP_CODEC_SBC 0x00
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#define A2DP_CODEC_MPEG12 0x01
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#define A2DP_CODEC_MPEG24 0x02
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#define A2DP_CODEC_ATRAC 0x03
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#define A2DP_CODEC_VENDOR 0xFF
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#define A2DP_MAX_CAPS_SIZE 254
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/* customized 16-bit vendor extension */
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#define A2DP_CODEC_VENDOR_APTX 0x4FFF
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#define A2DP_CODEC_VENDOR_LDAC 0x2DFF
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#define SBC_SAMPLING_FREQ_48000 (1 << 0)
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#define SBC_SAMPLING_FREQ_44100 (1 << 1)
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#define SBC_SAMPLING_FREQ_32000 (1 << 2)
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#define SBC_SAMPLING_FREQ_16000 (1 << 3)
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#define SBC_CHANNEL_MODE_JOINT_STEREO (1 << 0)
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#define SBC_CHANNEL_MODE_STEREO (1 << 1)
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#define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
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#define SBC_CHANNEL_MODE_MONO (1 << 3)
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#define SBC_BLOCK_LENGTH_16 (1 << 0)
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#define SBC_BLOCK_LENGTH_12 (1 << 1)
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#define SBC_BLOCK_LENGTH_8 (1 << 2)
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#define SBC_BLOCK_LENGTH_4 (1 << 3)
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#define SBC_SUBBANDS_8 (1 << 0)
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#define SBC_SUBBANDS_4 (1 << 1)
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#define SBC_ALLOCATION_LOUDNESS (1 << 0)
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#define SBC_ALLOCATION_SNR (1 << 1)
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#define SBC_MIN_BITPOOL 2
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#define SBC_MAX_BITPOOL 64
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#define MPEG_CHANNEL_MODE_JOINT_STEREO (1 << 0)
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#define MPEG_CHANNEL_MODE_STEREO (1 << 1)
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#define MPEG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
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#define MPEG_CHANNEL_MODE_MONO (1 << 3)
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#define MPEG_LAYER_MP3 (1 << 0)
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#define MPEG_LAYER_MP2 (1 << 1)
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#define MPEG_LAYER_MP1 (1 << 2)
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#define MPEG_SAMPLING_FREQ_48000 (1 << 0)
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#define MPEG_SAMPLING_FREQ_44100 (1 << 1)
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#define MPEG_SAMPLING_FREQ_32000 (1 << 2)
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#define MPEG_SAMPLING_FREQ_24000 (1 << 3)
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#define MPEG_SAMPLING_FREQ_22050 (1 << 4)
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#define MPEG_SAMPLING_FREQ_16000 (1 << 5)
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#define MPEG_BIT_RATE_VBR 0x8000
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#define MPEG_BIT_RATE_320000 0x4000
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#define MPEG_BIT_RATE_256000 0x2000
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#define MPEG_BIT_RATE_224000 0x1000
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#define MPEG_BIT_RATE_192000 0x0800
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#define MPEG_BIT_RATE_160000 0x0400
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#define MPEG_BIT_RATE_128000 0x0200
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#define MPEG_BIT_RATE_112000 0x0100
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#define MPEG_BIT_RATE_96000 0x0080
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#define MPEG_BIT_RATE_80000 0x0040
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#define MPEG_BIT_RATE_64000 0x0020
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#define MPEG_BIT_RATE_56000 0x0010
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#define MPEG_BIT_RATE_48000 0x0008
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#define MPEG_BIT_RATE_40000 0x0004
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#define MPEG_BIT_RATE_32000 0x0002
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#define MPEG_BIT_RATE_FREE 0x0001
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#define AAC_OBJECT_TYPE_MPEG2_AAC_LC 0x80
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#define AAC_OBJECT_TYPE_MPEG4_AAC_LC 0x40
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#define AAC_OBJECT_TYPE_MPEG4_AAC_LTP 0x20
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#define AAC_OBJECT_TYPE_MPEG4_AAC_SCA 0x10
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#define AAC_OBJECT_TYPE_MPEG4_AAC_ELD 0x02
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#define AAC_SAMPLING_FREQ_8000 0x0800
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#define AAC_SAMPLING_FREQ_11025 0x0400
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#define AAC_SAMPLING_FREQ_12000 0x0200
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#define AAC_SAMPLING_FREQ_16000 0x0100
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#define AAC_SAMPLING_FREQ_22050 0x0080
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#define AAC_SAMPLING_FREQ_24000 0x0040
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#define AAC_SAMPLING_FREQ_32000 0x0020
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#define AAC_SAMPLING_FREQ_44100 0x0010
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#define AAC_SAMPLING_FREQ_48000 0x0008
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#define AAC_SAMPLING_FREQ_64000 0x0004
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#define AAC_SAMPLING_FREQ_88200 0x0002
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#define AAC_SAMPLING_FREQ_96000 0x0001
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#define AAC_CHANNELS_1 0x08
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#define AAC_CHANNELS_2 0x04
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#define AAC_CHANNELS_5_1 0x02
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#define AAC_CHANNELS_7_1 0x01
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#define AAC_GET_BITRATE(a) ((a).bitrate1 << 16 | \
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(a).bitrate2 << 8 | (a).bitrate3)
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#define AAC_GET_FREQUENCY(a) ((a).frequency1 << 4 | (a).frequency2)
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#define AAC_SET_BITRATE(a, b) \
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do { \
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(a).bitrate1 = ((b) >> 16) & 0x7f; \
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(a).bitrate2 = ((b) >> 8) & 0xff; \
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(a).bitrate3 = (b) & 0xff; \
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} while (0)
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#define AAC_SET_FREQUENCY(a, f) \
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do { \
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(a).frequency1 = ((f) >> 4) & 0xff; \
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(a).frequency2 = (f) & 0x0f; \
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} while (0)
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#define AAC_INIT_BITRATE(b) \
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.bitrate1 = ((b) >> 16) & 0x7f, \
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.bitrate2 = ((b) >> 8) & 0xff, \
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.bitrate3 = (b) & 0xff,
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#define AAC_INIT_FREQUENCY(f) \
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.frequency1 = ((f) >> 4) & 0xff, \
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.frequency2 = (f) & 0x0f,
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#define APTX_VENDOR_ID 0x0000004f
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#define APTX_CODEC_ID 0x0001
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#define APTX_CHANNEL_MODE_MONO 0x01
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#define APTX_CHANNEL_MODE_STEREO 0x02
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#define APTX_SAMPLING_FREQ_16000 0x08
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#define APTX_SAMPLING_FREQ_32000 0x04
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#define APTX_SAMPLING_FREQ_44100 0x02
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#define APTX_SAMPLING_FREQ_48000 0x01
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#define APTX_HD_VENDOR_ID 0x000000D7
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#define APTX_HD_CODEC_ID 0x0024
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#define APTX_HD_CHANNEL_MODE_MONO 0x1
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#define APTX_HD_CHANNEL_MODE_STEREO 0x2
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#define APTX_HD_SAMPLING_FREQ_16000 0x8
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#define APTX_HD_SAMPLING_FREQ_32000 0x4
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#define APTX_HD_SAMPLING_FREQ_44100 0x2
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#define APTX_HD_SAMPLING_FREQ_48000 0x1
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#define APTX_LL_VENDOR_ID 0x0000000a
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#define APTX_LL_VENDOR_ID2 0x000000d7
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#define APTX_LL_CODEC_ID 0x0002
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/**
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* Default parameters for aptX LL (Sprint) encoder
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*/
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#define APTX_LL_TARGET_CODEC_LEVEL 180 /* target codec buffer level */
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#define APTX_LL_INITIAL_CODEC_LEVEL 360 /* initial codec buffer level */
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#define APTX_LL_SRA_MAX_RATE 50 /* x/10000 = 0.005 SRA rate */
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#define APTX_LL_SRA_AVG_TIME 1 /* SRA averaging time = 1s */
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#define APTX_LL_GOOD_WORKING_LEVEL 180 /* good working buffer level */
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#define LDAC_VENDOR_ID 0x0000012d
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#define LDAC_CODEC_ID 0x00aa
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#define LDAC_CHANNEL_MODE_MONO 0x04
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#define LDAC_CHANNEL_MODE_DUAL_CHANNEL 0x02
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#define LDAC_CHANNEL_MODE_STEREO 0x01
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#define LDAC_SAMPLING_FREQ_44100 0x20
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#define LDAC_SAMPLING_FREQ_48000 0x10
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#define LDAC_SAMPLING_FREQ_88200 0x08
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#define LDAC_SAMPLING_FREQ_96000 0x04
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#define LDAC_SAMPLING_FREQ_176400 0x02
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#define LDAC_SAMPLING_FREQ_192000 0x01
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#define FASTSTREAM_VENDOR_ID 0x0000000a
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#define FASTSTREAM_CODEC_ID 0x0001
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#define FASTSTREAM_DIRECTION_SINK 0x1
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#define FASTSTREAM_DIRECTION_SOURCE 0x2
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#define FASTSTREAM_SINK_SAMPLING_FREQ_44100 0x2
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#define FASTSTREAM_SINK_SAMPLING_FREQ_48000 0x1
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#define FASTSTREAM_SOURCE_SAMPLING_FREQ_16000 0x2
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#define LC3PLUS_HR_GET_FRAME_DURATION(a) ((a).frame_duration & 0xf0)
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#define LC3PLUS_HR_INIT_FRAME_DURATION(v) \
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.frame_duration = ((v) & 0xf0),
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#define LC3PLUS_HR_SET_FRAME_DURATION(a, v) \
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do { \
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(a).frame_duration = ((v) & 0xf0); \
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} while (0)
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#define LC3PLUS_HR_GET_FREQUENCY(a) (((a).frequency1 << 8) | (a).frequency2)
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#define LC3PLUS_HR_INIT_FREQUENCY(v) \
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.frequency1 = (((v) >> 8) & 0xff), \
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.frequency2 = ((v) & 0xff),
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#define LC3PLUS_HR_SET_FREQUENCY(a, v) \
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do { \
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(a).frequency1 = ((v) >> 8) & 0xff; \
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(a).frequency2 = (v) & 0xff; \
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} while (0)
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#define LC3PLUS_HR_VENDOR_ID 0x000008a9
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#define LC3PLUS_HR_CODEC_ID 0x0001
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#define LC3PLUS_HR_FRAME_DURATION_10MS (1 << 6)
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#define LC3PLUS_HR_FRAME_DURATION_5MS (1 << 5)
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#define LC3PLUS_HR_FRAME_DURATION_2_5MS (1 << 4)
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#define LC3PLUS_HR_CHANNELS_1 (1 << 7)
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#define LC3PLUS_HR_CHANNELS_2 (1 << 6)
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#define LC3PLUS_HR_SAMPLING_FREQ_48000 (1 << 8)
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#define LC3PLUS_HR_SAMPLING_FREQ_96000 (1 << 7)
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#define OPUS_05_VENDOR_ID 0x000005f1
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#define OPUS_05_CODEC_ID 0x1005
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#define OPUS_05_MAPPING_FAMILY_0 (1 << 0)
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#define OPUS_05_MAPPING_FAMILY_1 (1 << 1)
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#define OPUS_05_MAPPING_FAMILY_255 (1 << 2)
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#define OPUS_05_FRAME_DURATION_25 (1 << 0)
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#define OPUS_05_FRAME_DURATION_50 (1 << 1)
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#define OPUS_05_FRAME_DURATION_100 (1 << 2)
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#define OPUS_05_FRAME_DURATION_200 (1 << 3)
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#define OPUS_05_FRAME_DURATION_400 (1 << 4)
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#define OPUS_05_GET_UINT16(a, field) \
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(((a).field ## 2 << 8) | (a).field ## 1)
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#define OPUS_05_INIT_UINT16(field, v) \
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.field ## 1 = ((v) & 0xff), \
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.field ## 2 = (((v) >> 8) & 0xff),
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#define OPUS_05_SET_UINT16(a, field, v) \
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do { \
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(a).field ## 1 = ((v) & 0xff); \
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(a).field ## 2 = (((v) >> 8) & 0xff); \
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} while (0)
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#define OPUS_05_GET_UINT32(a, field) \
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(((a).field ## 4 << 24) | ((a).field ## 3 << 16) | \
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((a).field ## 2 << 8) | (a).field ## 1)
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#define OPUS_05_INIT_UINT32(field, v) \
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.field ## 1 = ((v) & 0xff), \
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.field ## 2 = (((v) >> 8) & 0xff), \
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.field ## 3 = (((v) >> 16) & 0xff), \
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.field ## 4 = (((v) >> 24) & 0xff),
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#define OPUS_05_SET_UINT32(a, field, v) \
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do { \
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(a).field ## 1 = ((v) & 0xff); \
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(a).field ## 2 = (((v) >> 8) & 0xff); \
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(a).field ## 3 = (((v) >> 16) & 0xff); \
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(a).field ## 4 = (((v) >> 24) & 0xff); \
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} while (0)
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#define OPUS_05_GET_LOCATION(a) OPUS_05_GET_UINT32(a, location)
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#define OPUS_05_INIT_LOCATION(v) OPUS_05_INIT_UINT32(location, v)
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#define OPUS_05_SET_LOCATION(a, v) OPUS_05_SET_UINT32(a, location, v)
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#define OPUS_05_GET_BITRATE(a) OPUS_05_GET_UINT16(a, bitrate)
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#define OPUS_05_INIT_BITRATE(v) OPUS_05_INIT_UINT16(bitrate, v)
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#define OPUS_05_SET_BITRATE(a, v) OPUS_05_SET_UINT16(a, bitrate, v)
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#define OPUS_G_VENDOR_ID 0x000000e0
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#define OPUS_G_CODEC_ID 0x0001
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#define OPUS_G_FREQUENCY_MASK 0x80
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#define OPUS_G_FREQUENCY_48000 0x80
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#define OPUS_G_DURATION_MASK 0x18
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#define OPUS_G_DURATION_100 0x08
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#define OPUS_G_DURATION_200 0x10
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#define OPUS_G_CHANNELS_MASK 0x07
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#define OPUS_G_CHANNELS_MONO 0x01
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#define OPUS_G_CHANNELS_STEREO 0x02
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#define OPUS_G_CHANNELS_MONO_2 0x04
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#define OPUS_G_GET_FREQUENCY(a) ((a).data & OPUS_G_FREQUENCY_MASK)
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#define OPUS_G_GET_DURATION(a) ((a).data & OPUS_G_DURATION_MASK)
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#define OPUS_G_GET_CHANNELS(a) ((a).data & OPUS_G_CHANNELS_MASK)
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#define OPUS_G_SET(a, freq, dur, ch) \
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(a).data = ((freq) & OPUS_G_FREQUENCY_MASK) | ((dur) & OPUS_G_DURATION_MASK) | ((ch) & OPUS_G_CHANNELS_MASK)
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typedef struct {
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uint32_t vendor_id;
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uint16_t codec_id;
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} __attribute__ ((packed)) a2dp_vendor_codec_t;
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typedef struct {
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a2dp_vendor_codec_t info;
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uint8_t frequency;
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uint8_t channel_mode;
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} __attribute__ ((packed)) a2dp_ldac_t;
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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typedef struct {
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uint8_t channel_mode:4;
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uint8_t frequency:4;
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uint8_t allocation_method:2;
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uint8_t subbands:2;
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uint8_t block_length:4;
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uint8_t min_bitpool;
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uint8_t max_bitpool;
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} __attribute__ ((packed)) a2dp_sbc_t;
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typedef struct {
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uint8_t channel_mode:4;
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uint8_t crc:1;
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uint8_t layer:3;
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uint8_t frequency:6;
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uint8_t mpf:1;
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uint8_t rfa:1;
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uint16_t bitrate;
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} __attribute__ ((packed)) a2dp_mpeg_t;
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typedef struct {
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uint8_t object_type;
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uint8_t frequency1;
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uint8_t channels:4;
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uint8_t frequency2:4;
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uint8_t bitrate1:7;
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uint8_t vbr:1;
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uint8_t bitrate2;
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uint8_t bitrate3;
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} __attribute__ ((packed)) a2dp_aac_t;
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typedef struct {
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a2dp_vendor_codec_t info;
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uint8_t channel_mode:4;
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uint8_t frequency:4;
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} __attribute__ ((packed)) a2dp_aptx_t;
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typedef struct {
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a2dp_vendor_codec_t info;
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uint8_t channel_mode:4;
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uint8_t frequency:4;
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uint32_t rfa;
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} __attribute__ ((packed)) a2dp_aptx_hd_t;
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typedef struct {
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a2dp_aptx_t aptx;
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uint8_t bidirect_link:1;
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uint8_t has_new_caps:1;
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uint8_t reserved:6;
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} __attribute__ ((packed)) a2dp_aptx_ll_t;
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typedef struct {
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a2dp_vendor_codec_t info;
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uint8_t direction;
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uint8_t sink_frequency:4;
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uint8_t source_frequency:4;
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} __attribute__ ((packed)) a2dp_faststream_t;
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#elif __BYTE_ORDER == __BIG_ENDIAN
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typedef struct {
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uint8_t frequency:4;
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uint8_t channel_mode:4;
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uint8_t block_length:4;
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uint8_t subbands:2;
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uint8_t allocation_method:2;
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uint8_t min_bitpool;
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uint8_t max_bitpool;
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} __attribute__ ((packed)) a2dp_sbc_t;
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typedef struct {
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uint8_t layer:3;
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uint8_t crc:1;
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uint8_t channel_mode:4;
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uint8_t rfa:1;
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uint8_t mpf:1;
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uint8_t frequency:6;
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uint16_t bitrate;
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} __attribute__ ((packed)) a2dp_mpeg_t;
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typedef struct {
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uint8_t object_type;
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uint8_t frequency1;
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uint8_t frequency2:4;
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uint8_t channels:4;
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uint8_t vbr:1;
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uint8_t bitrate1:7;
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uint8_t bitrate2;
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uint8_t bitrate3;
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} __attribute__ ((packed)) a2dp_aac_t;
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typedef struct {
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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;
|
|
|
|
typedef struct {
|
|
a2dp_vendor_codec_t info;
|
|
uint8_t data;
|
|
} __attribute__ ((packed)) a2dp_opus_g_t;
|
|
|
|
#define ASHA_CODEC_G722 0x63
|
|
|
|
#endif
|