145 lines
4.8 KiB
C++
145 lines
4.8 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 All unpublished rights reserved.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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#ifdef A2DP_LHDC_ON
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#include <stdio.h>
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#include "cmsis_os.h"
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#include "hal_uart.h"
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#include "hal_timer.h"
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#include "audioflinger.h"
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#include "lockcqueue.h"
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#include "hal_trace.h"
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#include "hal_cmu.h"
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#include "analog.h"
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#include "bt_drv.h"
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#include "app_audio.h"
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#include "bt_drv_interface.h"
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#include "app_bt_stream.h"
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#include "nvrecord.h"
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#include "nvrecord_env.h"
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#include "spp_api.h"
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#include "hal_chipid.h"
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#include "bt_drv_reg_op.h"
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#include "besbt.h"
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#include "cqueue.h"
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#include "btapp.h"
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#include "app_bt.h"
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#include "apps.h"
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#include "resources.h"
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#include "app_bt_media_manager.h"
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#include "tgt_hardware.h"
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#ifdef __TWS__
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#include "app_tws.h"
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#include "app_bt.h"
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#include "app_tws_if.h"
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#endif
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#include "codec_lhdc.h"
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void lhdc_info_parse(uint8_t * elements, lhdc_info_t * info)
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{
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info->vendor_id = (uint32_t) elements[0];
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info->vendor_id |= ((uint32_t) elements[1]) << 8;
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info->vendor_id |= ((uint32_t) elements[2]) << 16;
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info->vendor_id |= ((uint32_t) elements[3]) << 24;
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info->codec_id = (uint16_t) elements[4];
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info->codec_id |= ((uint16_t) elements[5]) << 8;
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uint8_t config = elements[6];
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if (info->vendor_id == A2DP_LHDC_VENDOR_ID && info->codec_id == A2DP_LHDC_CODEC_ID) {
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TRACE(2,"Vendor ID = 0x%08x, Codec ID = 0x%04x, LHDC Codec\n", info->vendor_id, info->codec_id);
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switch (A2DP_LHDC_SR_DATA(config)) {
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case A2DP_LHDC_SR_96000:
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info->sample_rater = A2D_SBC_IE_SAMP_FREQ_96;
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TRACE(1,"%s:CodecCfg sample_rate 96000\n", __func__);
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break;
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case A2DP_LHDC_SR_48000:
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info->sample_rater = A2D_SBC_IE_SAMP_FREQ_48;
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TRACE(1,"%s:CodecCfg sample_rate 48000\n", __func__);
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break;
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case A2DP_LHDC_SR_44100:
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info->sample_rater = A2D_SBC_IE_SAMP_FREQ_44;
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TRACE(1,"%s:CodecCfg sample_rate 44100\n", __func__);
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break;
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}
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switch (A2DP_LHDC_FMT_DATA(config)) {
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case A2DP_LHDC_FMT_16:
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info->bits = 16;
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TRACE(1,"%s:CodecCfg bits per sampe = 16", __func__);
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break;
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case A2DP_LHDC_FMT_24:
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TRACE(1,"%s:CodecCfg bits per sampe = 24", __func__);
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info->bits = 24;
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break;
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}
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config = elements[7];
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info->version_num = 0x0f & config;
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TRACE(2,"%s:lhdc codec version num:%x\n", __func__, info->version_num);
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info->max_sample_rate = 0x30 & config;
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TRACE(2,"%s:lhdc codec max sample rate:%x\n", __func__, info->sample_rater);
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info->llc_enable = 0x40 & config;
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TRACE(2,"%s:lhdc codec llc enable:%x \n", __func__, info->llc_enable);
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config = elements[8];
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switch (A2DP_LHDC_COF_DATA(config)) {
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case A2DP_LHDC_COF_CSC_DISABLE:
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info->compress_output_format = LHDC_CHANNEL_SPLIT_DISABLE;
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TRACE(1,"%s:compress_output_format: LHDC_COF_CSC_DISABLE", __func__);
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break;
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case A2DP_LHDC_COF_CSC:
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TRACE(1,"%s:compress_output_format: LHDC_COF_CSC", __func__);
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info->compress_output_format = LHDC_CHANNEL_SPLIT;
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break;
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case A2DP_LHDC_COF_CSC_PRE:
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TRACE(1,"%s:compress_output_format: LHDC_COF_CSC_PRE", __func__);
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info->compress_output_format = LHDC_CHANNEL_SPLIT_FROM_ENCODER;
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break;
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}
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}
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}
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uint8_t a2dp_lhdc_get_sample_rate(uint8_t * elements)
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{
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uint32_t vendor_id = (uint32_t) elements[0];
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vendor_id |= ((uint32_t) elements[1]) << 8;
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vendor_id |= ((uint32_t) elements[2]) << 16;
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vendor_id |= ((uint32_t) elements[3]) << 24;
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uint16_t codec_id = (uint16_t) elements[4];
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codec_id |= ((uint16_t) elements[5]) << 8;
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uint8_t config = elements[6];
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if (vendor_id == A2DP_LHDC_VENDOR_ID && codec_id == A2DP_LHDC_CODEC_ID) {
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switch (A2DP_LHDC_SR_DATA(config)) {
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case A2DP_LHDC_SR_96000:
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return A2D_SBC_IE_SAMP_FREQ_96;
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case A2DP_LHDC_SR_48000:
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return A2D_SBC_IE_SAMP_FREQ_48;
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case A2DP_LHDC_SR_44100:
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return A2D_SBC_IE_SAMP_FREQ_44;
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}
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}
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return 0;
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}
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#endif
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