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ef3085c743
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1621>
211 lines
5.8 KiB
C
211 lines
5.8 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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*
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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 __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__
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#define __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__
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#include <glib.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 SBC_SAMPLING_FREQ_16000 (1 << 3)
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#define SBC_SAMPLING_FREQ_32000 (1 << 2)
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#define SBC_SAMPLING_FREQ_44100 (1 << 1)
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#define SBC_SAMPLING_FREQ_48000 1
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#define SBC_CHANNEL_MODE_MONO (1 << 3)
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#define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
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#define SBC_CHANNEL_MODE_STEREO (1 << 1)
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#define SBC_CHANNEL_MODE_JOINT_STEREO 1
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#define SBC_BLOCK_LENGTH_4 (1 << 3)
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#define SBC_BLOCK_LENGTH_8 (1 << 2)
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#define SBC_BLOCK_LENGTH_12 (1 << 1)
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#define SBC_BLOCK_LENGTH_16 1
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#define SBC_SUBBANDS_4 (1 << 1)
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#define SBC_SUBBANDS_8 1
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#define SBC_ALLOCATION_SNR (1 << 1)
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#define SBC_ALLOCATION_LOUDNESS 1
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#define MAX_BITPOOL 64
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#define MIN_BITPOOL 2
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#define MPEG_CHANNEL_MODE_MONO (1 << 3)
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#define MPEG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
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#define MPEG_CHANNEL_MODE_STEREO (1 << 1)
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#define MPEG_CHANNEL_MODE_JOINT_STEREO 1
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#define MPEG_LAYER_MP1 (1 << 2)
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#define MPEG_LAYER_MP2 (1 << 1)
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#define MPEG_LAYER_MP3 1
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#define MPEG_SAMPLING_FREQ_16000 (1 << 5)
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#define MPEG_SAMPLING_FREQ_22050 (1 << 4)
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#define MPEG_SAMPLING_FREQ_24000 (1 << 3)
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#define MPEG_SAMPLING_FREQ_32000 (1 << 2)
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#define MPEG_SAMPLING_FREQ_44100 (1 << 1)
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#define MPEG_SAMPLING_FREQ_48000 1
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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_SCALABLE 0x10
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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 0x02
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#define AAC_CHANNELS_2 0x01
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#define SONY_VENDOR_ID 0x0000012d
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#define LDAC_CODEC_ID 0x00aa
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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_CHANNEL_MODE_MONO 0x04
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#define LDAC_CHANNEL_MODE_DUAL 0x02
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#define LDAC_CHANNEL_MODE_STEREO 0x01
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#define A2DP_GET_VENDOR_ID(a) ( \
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(((uint32_t)(a).vendor_id[0]) << 0) | \
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(((uint32_t)(a).vendor_id[1]) << 8) | \
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(((uint32_t)(a).vendor_id[2]) << 16) | \
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(((uint32_t)(a).vendor_id[3]) << 24) \
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)
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#define A2DP_GET_CODEC_ID(a) ((a).codec_id[0] | (((uint16_t)(a).codec_id[1]) << 8))
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#if G_BYTE_ORDER == G_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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uint16_t frequency;
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uint8_t rfa;
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uint8_t channels;
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uint8_t vbr;
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uint32_t bitrate;
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} __attribute__ ((packed)) a2dp_aac_t;
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#elif G_BYTE_ORDER == G_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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uint16_t frequency:12;
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uint8_t channels:2;
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uint8_t rfa:2;
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uint8_t vbr:1;
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uint32_t bitrate:23;
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} __attribute__ ((packed)) a2dp_aac_t;
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#else
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#error "Unknown byte order"
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#endif
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typedef struct {
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uint8_t vendor_id[4];
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uint8_t codec_id[2];
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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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#endif /* #define __GST_BLUEZ_A2DP_CODECS_H_INCLUDED__ */
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