187 lines
5.5 KiB
C
187 lines
5.5 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __A2DP_H__
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#define __A2DP_H__
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#include "btlib_type.h"
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#include "a2dp_i.h"
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#include "avdtp_i.h"
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#define AVDTP_CODEC_CAP_MAX_LENGTH (32)
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#define AVDTP_VER_1_2 0x0102
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#define AVDTP_VER_1_3 0x0103
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#define AVDTP_LOCAL_VERSION AVDTP_VER_1_3
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#define A2DP_VER_1_2 0x0102
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#define A2DP_VER_1_3 0x0103
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#define A2DP_LOCAL_VERSION A2DP_VER_1_3
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#define A2DP_MEDIA_TYPE_AUDIO 0x00
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#define A2DP_CODEC_SBC 0x00
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#define A2DP_CODEC_MPEG12_AUDIO 0x01
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#define A2DP_CODEC_MPEG24_AAC 0x02
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#define A2DP_CODEC_ATRAC 0x03
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#define A2DP_CODEC_VENDOR_SPECIFIC 0xff
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#define A2DP_SAMPLING_FREQ_16000 (1 << 3)
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#define A2DP_SAMPLING_FREQ_32000 (1 << 2)
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#define A2DP_SAMPLING_FREQ_44100 (1 << 1)
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#define A2DP_SAMPLING_FREQ_48000 1
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#define A2DP_CHANNEL_MODE_MONO (1 << 3)
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#define A2DP_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
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#define A2DP_CHANNEL_MODE_STEREO (1 << 1)
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#define A2DP_CHANNEL_MODE_JOINT_STEREO 1
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#define A2DP_BLOCK_LENGTH_4 (1 << 3)
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#define A2DP_BLOCK_LENGTH_8 (1 << 2)
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#define A2DP_BLOCK_LENGTH_12 (1 << 1)
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#define A2DP_BLOCK_LENGTH_16 1
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#define A2DP_SUBBANDS_4 (1 << 1)
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#define A2DP_SUBBANDS_8 1
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#define A2DP_ALLOCATION_SNR (1 << 1)
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#define A2DP_ALLOCATION_LOUDNESS 1
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struct a2dp_sep {
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uint8 type; //src or snk
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struct avdtp_local_sep *sep;
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};
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struct get_codec_cap_t {
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uint8 ** cap;
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uint16 * cap_len;
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bool done;
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};
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struct sbc_codec_cap {
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uint32 rfa0:4;
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uint32 media_type:4;
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uint32 media_codec_type:8;
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uint32 channel_mode:4;
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uint32 frequency:4;
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uint32 allocation_method:2;
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uint32 subbands:2;
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uint32 block_length:4;
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uint8 min_bitpool;
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uint8 max_bitpool;
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} __attribute__ ((packed));
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#define AAC_OCTECT0_MPEG2_AAC_LC 0x80
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#define AAC_OCTECT1_SAMP_FREQ_44100 0x01
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#define AAC_OCTECT2_SAMP_FREQ_48000 0x8
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#define AAC_OCTECT2_CHAN_MODE_MONO 0x08
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#define AAC_OCTECT2_CHAN_MODE_STEREO 0x04
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struct aac_codec_cap {
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uint32 media_type:8; //Audio 0x00
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uint32 media_codec_type:8; //MEPG-2,4 AAC 0x02
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uint32 object_types_support:8; //MPEG-2 AAC LC 0x80
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uint32 samp_freq_441:8; //44100 0x01
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uint32 channel_mode:4; //1(0x8) 2(0x4) 1 2(0xc)
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uint32 samp_freq_48k:4; //48000 0x8-
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uint32 max_peak_bitrate_high:7;
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uint32 vbr_supported:1;
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uint8 max_peak_bitrate_low2;
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uint8 max_peak_bitrate_low1;
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} __attribute__ ((packed));
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#define LHDC_CODEC_SAMP_RATE_96000 0x01
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#define LHDC_CODEC_SAMP_RATE_88200 0x02
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#define LHDC_CODEC_SAMP_RATE_48000 0x04
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#define LHDC_CODEC_SAMP_RATE_44100 0x08
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#define LHDC_CODEC_BITS_PER_SAMP_24 0x10
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#define LHDC_CODEC_BITS_PER_SAMP_16 0x20
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#define LHDC_CODEC_VERSION_V3 0x01
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#define LHDC_CODEC_VERSION_LOWER 0x00
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#define LHDC_CODEC_VERSION_MASK 0x0f
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#define LHDC_CODEC_MAX_SR_900 0x00
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#define LHDC_CODEC_MAX_SR_500 0x10
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#define LHDC_CODEC_MAX_SR_400 0x20
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#define LHDC_CODEC_MAX_LLC_EN 0x40
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#define LHDC_CODEC_MAX_SR_MASK 0xf0
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#define LHDC_CODEC_COF_CSC_DISABLE 0x01
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#define LHDC_CODEC_COF_CSC 0x02
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#define LHDC_CODEC_COF_CSC_PRE 0x04
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#define LHDC_CODEC_COF_CSC_RFU 0x08
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struct lhdc_codec_cap {
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uint8 media_type; //Audio 0x00
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uint8 media_codec_type; //Vendor-Specific Codec 0xff
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uint8 vendor_id[4]; //3a 05 00 00
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uint8 codec_id[2]; //32 4c (Lower Ver.) or 33 4c (V3)
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uint8 sample_rate;
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uint8 max_sr_ver;
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uint8 cof_csc;
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} __attribute__ ((packed));
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#define LDAC_CODEC_SAMP_FREQ_96000 0x04
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#define LDAC_CODEC_SAMP_FREQ_88200 0x08
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#define LDAC_CODEC_SAMP_FREQ_48000 0x10
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#define LDAC_CODEC_SAMP_FREQ_44100 0x20
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#define LDAC_CODEC_CHAN_MODE_STEREO 0x01
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#define LDAC_CODEC_CHAN_MODE_DUAL 0x02
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#define LDAC_CODEC_CHAN_MODE_MONO 0x04
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struct ldac_codec_cap {
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uint8 media_type; //Audio 0x00
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uint8 media_codec_type; //Vendor-Specific Codec 0xff
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uint8 vendor_id[4]; //2d 01 00 00
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uint8 codec_id[2]; //aa 00
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uint8 sample_freq;
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uint8 chan_mode;
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} __attribute__ ((packed));
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#define SCALABLE_CODEC_BITS_16 0x00
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#define SCALABLE_CODEC_BITS_24 0x08
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#define SCALABLE_CODEC_SAMP_48000 0x10
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#define SCALABLE_CODEC_SAMP_44100 0x20
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#define SCALABLE_CODEC_SAMP_32000 0x40
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#define SCALABLE_CODEC_SAMP_96000 0x80
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struct scalable_codec_cap {
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uint8 media_type; //Audio 0x00
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uint8 media_codec_type; //Vendor-Specific Codec 0xff
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uint8 vendor_id[4]; //75 00 00 00
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uint8 codec_id[2]; //03 01
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uint8 sample_rate;
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} __attribute__ ((packed));
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U16 a2dp_MediaPacketSize(struct a2dp_control_t *Stream);
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#define a2dp_MediaPacketSize(s) (l2cap_get_tx_mtu((s)->l2capSignalHandle))
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#if defined(__cplusplus)
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extern "C" {
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#endif
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U16 a2dp_create_media_header(struct a2dp_control_t *a2dp_ctl, U8 *buffer);
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void a2dp_notifyCallback(uint8 event, uint32 l2cap_channel, void *pData, uint8 reason);
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void a2dp_dataRecvCallback(uint32 l2cap_handle, struct pp_buff *ppb);
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int8 a2dp_close(struct a2dp_control_t * stream);
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void doDisconnect(void);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __A2DP_H__ */
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