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pinebuds/apps/audioplayers/a2dp_decoder/a2dp_decoder_ldac.cpp

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/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
// Standard C Included Files
#include "a2dp_decoder_internal.h"
#include "btapp.h"
#include "cmsis.h"
#include "hal_location.h"
#include "heap_api.h"
#include "ldacBT.h"
#include "plat_types.h"
#include <string.h>
typedef struct {
uint16_t sequenceNumber;
uint32_t timestamp;
uint32_t frame_samples;
uint16_t curSubSequenceNumber;
uint16_t totalSubSequenceNumber;
uint8_t *buffer;
uint32_t buffer_len;
} a2dp_audio_ldac_decoder_frame_t;
#ifndef LDAC_MTU_LIMITER
#define LDAC_MTU_LIMITER (200)
#endif
#define DECODE_LDAC_PCM_FRAME_LENGTH (256 * 4 * 2 * 2)
#define LDAC_LIST_SAMPLES (256)
static A2DP_AUDIO_CONTEXT_T *a2dp_audio_context_p = NULL;
static A2DP_AUDIO_DECODER_LASTFRAME_INFO_T a2dp_audio_ldac_lastframe_info;
static uint16_t ldac_mtu_limiter = LDAC_MTU_LIMITER;
// static btif_media_header_t ldac_header_parser_header_prev = {0,};
// static bool ldac_header_parser_ready = false;
// static bool ldac_chnl_mode_mono = false;
HANDLE_LDAC_BT LdacDecHandle = NULL;
// static uint8_t *ldac_mempoll = NULL;
heap_handle_t ldac_memhandle = NULL;
static uint32_t l2cap_frame_samples = LDAC_LIST_SAMPLES;
/* Convert LDAC Error Code to string */
#define CASE_RETURN_STR(const) \
case const: \
return #const;
static const char *ldac_ErrCode2Str(int ErrCode) {
switch (ErrCode) {
CASE_RETURN_STR(LDACBT_ERR_NONE);
CASE_RETURN_STR(LDACBT_ERR_NON_FATAL);
CASE_RETURN_STR(LDACBT_ERR_BIT_ALLOCATION);
CASE_RETURN_STR(LDACBT_ERR_NOT_IMPLEMENTED);
CASE_RETURN_STR(LDACBT_ERR_NON_FATAL_ENCODE);
CASE_RETURN_STR(LDACBT_ERR_FATAL);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_BAND);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_GRAD_A);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_GRAD_B);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_GRAD_C);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_GRAD_D);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_GRAD_E);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_IDSF);
CASE_RETURN_STR(LDACBT_ERR_SYNTAX_SPEC);
CASE_RETURN_STR(LDACBT_ERR_BIT_PACKING);
CASE_RETURN_STR(LDACBT_ERR_ALLOC_MEMORY);
CASE_RETURN_STR(LDACBT_ERR_FATAL_HANDLE);
CASE_RETURN_STR(LDACBT_ERR_ILL_SYNCWORD);
CASE_RETURN_STR(LDACBT_ERR_ILL_SMPL_FORMAT);
CASE_RETURN_STR(LDACBT_ERR_ILL_PARAM);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_SAMPLING_FREQ);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_SUP_SAMPLING_FREQ);
CASE_RETURN_STR(LDACBT_ERR_CHECK_SAMPLING_FREQ);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_CHANNEL_CONFIG);
CASE_RETURN_STR(LDACBT_ERR_CHECK_CHANNEL_CONFIG);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_FRAME_LENGTH);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_SUP_FRAME_LENGTH);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_FRAME_STATUS);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_NSHIFT);
CASE_RETURN_STR(LDACBT_ERR_ASSERT_CHANNEL_MODE);
CASE_RETURN_STR(LDACBT_ERR_ENC_INIT_ALLOC);
CASE_RETURN_STR(LDACBT_ERR_ENC_ILL_GRADMODE);
CASE_RETURN_STR(LDACBT_ERR_ENC_ILL_GRADPAR_A);
CASE_RETURN_STR(LDACBT_ERR_ENC_ILL_GRADPAR_B);
CASE_RETURN_STR(LDACBT_ERR_ENC_ILL_GRADPAR_C);
CASE_RETURN_STR(LDACBT_ERR_ENC_ILL_GRADPAR_D);
CASE_RETURN_STR(LDACBT_ERR_ENC_ILL_NBANDS);
CASE_RETURN_STR(LDACBT_ERR_PACK_BLOCK_FAILED);
CASE_RETURN_STR(LDACBT_ERR_DEC_INIT_ALLOC);
CASE_RETURN_STR(LDACBT_ERR_INPUT_BUFFER_SIZE);
CASE_RETURN_STR(LDACBT_ERR_UNPACK_BLOCK_FAILED);
CASE_RETURN_STR(LDACBT_ERR_UNPACK_BLOCK_ALIGN);
CASE_RETURN_STR(LDACBT_ERR_UNPACK_FRAME_ALIGN);
CASE_RETURN_STR(LDACBT_ERR_FRAME_LENGTH_OVER);
CASE_RETURN_STR(LDACBT_ERR_FRAME_ALIGN_OVER);
CASE_RETURN_STR(LDACBT_ERR_ALTER_EQMID_LIMITED);
CASE_RETURN_STR(LDACBT_ERR_ILL_EQMID);
CASE_RETURN_STR(LDACBT_ERR_ILL_SAMPLING_FREQ);
CASE_RETURN_STR(LDACBT_ERR_ILL_NUM_CHANNEL);
CASE_RETURN_STR(LDACBT_ERR_ILL_MTU_SIZE);
CASE_RETURN_STR(LDACBT_ERR_HANDLE_NOT_INIT);
default:
return "unknown-error-code";
}
}
char a_ErrorCodeStr[128];
const char *get_error_code_string(int error_code) {
int errApi, errHdl, errBlk;
errApi = LDACBT_API_ERR(error_code);
errHdl = LDACBT_HANDLE_ERR(error_code);
errBlk = LDACBT_BLOCK_ERR(error_code);
a_ErrorCodeStr[0] = '\0';
strcat(a_ErrorCodeStr, "API:");
strcat(a_ErrorCodeStr, ldac_ErrCode2Str(errApi));
strcat(a_ErrorCodeStr, " Handle:");
strcat(a_ErrorCodeStr, ldac_ErrCode2Str(errHdl));
strcat(a_ErrorCodeStr, " Block:");
strcat(a_ErrorCodeStr, ldac_ErrCode2Str(errBlk));
return a_ErrorCodeStr;
}
#define LDAC_FRAME_LEN_INDEX_106 106
#define LDAC_FRAME_LEN_INDEX_128 128
#define LDAC_FRAME_LEN_INDEX_160 160
#define LDAC_FRAME_LEN_INDEX_216 216
#define LDAC_FRAME_LEN_INDEX_326 326
#define LDAC_FRAME_LEN_INDEX_161 161
static uint8_t get_ldac_frame_num_by_rawdata(uint8_t *buffer,
uint32_t buffer_bytes) {
uint32_t frame_len = 0;
uint32_t frame_len_with_head = 0;
uint16_t data1 = 0;
uint16_t data2 = 0;
uint8_t frame_cnt = 0;
for (uint32_t i = 0; i < buffer_bytes;
i += frame_len_with_head, frame_cnt++) {
// TRACE(4,"buffer:%x %x %x %x
// ",buffer[i],buffer[i+1],buffer[i+2],buffer[i+3]);
data1 = (uint16_t)(buffer[i + 1] & 0x07);
data2 = (uint16_t)buffer[i + 2];
frame_len = ((data1 << 6 & 0xFFFF) | (data2 >> 2 & 0xFFFF));
// TRACE("#frame len:%d",frame_len);
// for ldac head
frame_len_with_head = frame_len + 4;
}
return frame_cnt;
}
#define LDAC_READBUF_SIZE \
1024 /* pick something big enough to hold a bunch of frames */
/**
* Decode LDAC data...
*/
//#include "os_tcb.h"
extern const char *get_error_code_string(int error_code);
#define DCODE_LDAC_PCM_FRAME_LENGTH 10224 * 2
int check_ldac_header(uint8_t *buffer, uint32_t buff_len) {
int channel_mode = 0;
int sample_rate = 0;
int ret = 0;
if (buff_len < 2)
ret = -1;
sample_rate = bt_get_ladc_sample_rate();
channel_mode = bt_ldac_player_get_channelmode();
// TRACE(3,"%s,%d,%d",__func__,sample_rate,channel_mode);
uint32_t i = 0;
unsigned char sync2 = 0;
unsigned char cci = 0;
switch (channel_mode) {
case LDACBT_CHANNEL_MODE_MONO:
cci = LDAC_CCI_MONO;
break;
case LDACBT_CHANNEL_MODE_DUAL_CHANNEL:
cci = LDAC_CCI_DUAL_CHANNEL;
break;
case LDACBT_CHANNEL_MODE_STEREO:
default:
cci = LDAC_CCI_STEREO;
break;
}
if (sample_rate == 1 * 44100) {
sync2 = (0 << 5) | (cci << 3);
} else if (sample_rate == 1 * 48000) {
sync2 = (1 << 5) | (cci << 3);
} else if (sample_rate == 2 * 44100) {
sync2 = (2 << 5) | (cci << 3);
} else if (sample_rate == 2 * 48000) {
sync2 = (3 << 5) | (cci << 3);
} else {
TRACE(0, "sample rate not surpoort !");
ret = -2;
return ret;
}
for (i = 0; i < buff_len; i++) {
if (buffer[i] == 0xAA) {
if ((buffer[i + 1] & 0xF8) == sync2) {
// TRACE(0,"find ldac header ");
break;
}
}
}
if (i >= buff_len) {
TRACE(0, "no find ldac header ");
ret = -3;
}
return ret;
}
#ifdef A2DP_CP_ACCEL
struct A2DP_CP_LDAC_IN_FRM_INFO_T {
uint16_t sequenceNumber;
uint32_t timestamp;
uint16_t curSubSequenceNumber;
uint16_t totalSubSequenceNumber;
};
struct A2DP_CP_LDAC_OUT_FRM_INFO_T {
struct A2DP_CP_LDAC_IN_FRM_INFO_T in_info;
uint16_t frame_samples;
uint16_t decoded_frames;
uint16_t frame_idx;
uint16_t pcm_len;
};
extern "C" uint32_t get_in_cp_frame_cnt(void);
extern "C" unsigned int set_cp_reset_flag(uint8_t evt);
extern uint32_t app_bt_stream_get_dma_buffer_samples(void);
int a2dp_cp_ldac_cp_decode(void);
TEXT_LDAC_LOC
static int a2dp_cp_ldac_after_cache_underflow(void) {
TRACE(1, "%s", __func__);
int ret = 0;
a2dp_cp_deinit();
ret = a2dp_cp_init(a2dp_cp_ldac_cp_decode, CP_PROC_DELAY_2_FRAMES);
ASSERT(ret == 0, "%s: a2dp_cp_init() failed: ret=%d", __func__, ret);
return ret;
}
static int a2dp_cp_ldac_mcu_decode(uint8_t *buffer, uint32_t buffer_bytes) {
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
list_node_t *node = NULL;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
int ret, dec_ret;
struct A2DP_CP_LDAC_IN_FRM_INFO_T in_info;
struct A2DP_CP_LDAC_OUT_FRM_INFO_T *p_out_info;
uint8_t *out;
uint32_t out_len;
uint32_t out_frame_len;
// uint8_t count=0;
uint32_t cp_buffer_frames_max = 0;
if ((buffer_bytes < DECODE_LDAC_PCM_FRAME_LENGTH &&
(LDACBT_CHANNEL_MODE_MONO != bt_ldac_player_get_channelmode())) ||
(buffer_bytes < DECODE_LDAC_PCM_FRAME_LENGTH / 2 &&
(LDACBT_CHANNEL_MODE_MONO == bt_ldac_player_get_channelmode()))) {
TRACE(1, "ldac_decode pcm_len = %d \n", buffer_bytes);
return A2DP_DECODER_NO_ERROR;
}
if (!LdacDecHandle) {
TRACE(0, "ldac decode not ready");
return A2DP_DECODER_NO_ERROR;
}
cp_buffer_frames_max = app_bt_stream_get_dma_buffer_samples() / 2;
if (cp_buffer_frames_max % (a2dp_audio_ldac_lastframe_info.frame_samples)) {
cp_buffer_frames_max =
cp_buffer_frames_max / (a2dp_audio_ldac_lastframe_info.frame_samples) +
1;
} else {
cp_buffer_frames_max =
cp_buffer_frames_max / (a2dp_audio_ldac_lastframe_info.frame_samples);
}
out_frame_len = sizeof(*p_out_info) + buffer_bytes;
ret = a2dp_cp_decoder_init(out_frame_len, cp_buffer_frames_max * 8);
if (ret) {
TRACE(2, "%s: a2dp_cp_decoder_init() failed: ret=%d", __func__, ret);
set_cp_reset_flag(true);
return A2DP_DECODER_DECODE_ERROR;
}
while ((node = a2dp_audio_list_begin(list)) != NULL) {
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
in_info.sequenceNumber = ldac_decoder_frame_p->sequenceNumber;
in_info.timestamp = ldac_decoder_frame_p->timestamp;
in_info.curSubSequenceNumber = ldac_decoder_frame_p->curSubSequenceNumber;
in_info.totalSubSequenceNumber =
ldac_decoder_frame_p->totalSubSequenceNumber;
ret = a2dp_cp_put_in_frame(&in_info, sizeof(in_info),
ldac_decoder_frame_p->buffer,
ldac_decoder_frame_p->buffer_len);
if (ret) {
// TRACE(2,"%s piff !!!!!!ret: %d ",__func__, ret);
break;
}
// count++;
// TRACE(2,"%s count !!!!!!: %d ",__func__,count);
// TRACE(3,"put seq:%d %d
// %d",in_info.sequenceNumber,in_info.curSubSequenceNumber,in_info.totalSubSequenceNumber);
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
}
ret = a2dp_cp_get_full_out_frame((void **)&out, &out_len);
if (ret) {
TRACE(0, "%s %d cp find cache underflow", __func__, __LINE__);
TRACE(2, "aud_list_len:%d. cp_get_in_frame:%d",
a2dp_audio_list_length(list), get_in_cp_frame_cnt());
a2dp_cp_ldac_after_cache_underflow();
return A2DP_DECODER_CACHE_UNDERFLOW_ERROR;
}
if (out_len == 0) {
memset(buffer, 0, buffer_bytes);
a2dp_cp_consume_full_out_frame();
TRACE(1, "%s olz!!!", __func__);
return A2DP_DECODER_NO_ERROR;
}
if (out_len != out_frame_len) {
TRACE(3, "%s: Bad out len %u (should be %u)", __func__, out_len,
out_frame_len);
set_cp_reset_flag(true);
return A2DP_DECODER_DECODE_ERROR;
}
p_out_info = (struct A2DP_CP_LDAC_OUT_FRM_INFO_T *)out;
if (p_out_info->pcm_len) {
a2dp_audio_ldac_lastframe_info.sequenceNumber =
p_out_info->in_info.sequenceNumber;
a2dp_audio_ldac_lastframe_info.timestamp = p_out_info->in_info.timestamp;
a2dp_audio_ldac_lastframe_info.curSubSequenceNumber =
p_out_info->in_info.curSubSequenceNumber;
a2dp_audio_ldac_lastframe_info.totalSubSequenceNumber =
p_out_info->in_info.totalSubSequenceNumber;
a2dp_audio_ldac_lastframe_info.frame_samples = p_out_info->frame_samples;
a2dp_audio_ldac_lastframe_info.decoded_frames += p_out_info->decoded_frames;
a2dp_audio_ldac_lastframe_info.undecode_frames =
a2dp_audio_list_length(list) +
a2dp_cp_get_in_frame_cnt_by_index(p_out_info->frame_idx) - 1;
a2dp_audio_decoder_internal_lastframe_info_set(
&a2dp_audio_ldac_lastframe_info);
}
if (p_out_info->pcm_len == buffer_bytes) {
memcpy(buffer, p_out_info + 1, p_out_info->pcm_len);
dec_ret = A2DP_DECODER_NO_ERROR;
} else {
TRACE(2, "%s %d cp decoder error !!!!!!", __func__, __LINE__);
set_cp_reset_flag(true);
return A2DP_DECODER_DECODE_ERROR;
}
ret = a2dp_cp_consume_full_out_frame();
if (ret) {
TRACE(2, "%s: a2dp_cp_consume_full_out_frame() failed: ret=%d", __func__,
ret);
set_cp_reset_flag(true);
return A2DP_DECODER_DECODE_ERROR;
}
return dec_ret;
}
TEXT_LDAC_LOC
int a2dp_cp_ldac_cp_decode(void) {
int ret;
enum CP_EMPTY_OUT_FRM_T out_frm_st;
uint8_t *out;
uint32_t out_len;
uint8_t *dec_start;
uint32_t dec_len;
struct A2DP_CP_LDAC_IN_FRM_INFO_T *p_in_info;
struct A2DP_CP_LDAC_OUT_FRM_INFO_T *p_out_info;
uint8_t *in_buf;
uint32_t in_len;
int32_t dec_sum;
int used_bytes = 0;
int wrote_bytes = 0;
out_frm_st = a2dp_cp_get_emtpy_out_frame((void **)&out, &out_len);
if (out_frm_st != CP_EMPTY_OUT_FRM_OK &&
out_frm_st != CP_EMPTY_OUT_FRM_WORKING) {
return out_frm_st;
}
ASSERT(out_len > sizeof(*p_out_info), "%s: Bad out_len %u (should > %u)",
__func__, out_len, sizeof(*p_out_info));
p_out_info = (struct A2DP_CP_LDAC_OUT_FRM_INFO_T *)out;
if (out_frm_st == CP_EMPTY_OUT_FRM_OK) {
p_out_info->pcm_len = 0;
p_out_info->decoded_frames = 0;
}
ASSERT(out_len > sizeof(*p_out_info) + p_out_info->pcm_len,
"%s: Bad out_len %u (should > %u + %u)", __func__, out_len,
sizeof(*p_out_info), p_out_info->pcm_len);
dec_start = (uint8_t *)(p_out_info + 1) + p_out_info->pcm_len;
dec_len = out_len - (dec_start - (uint8_t *)out);
dec_sum = 0;
while (dec_sum < (int32_t)dec_len) {
ret = a2dp_cp_get_in_frame((void **)&in_buf, &in_len);
if (ret) {
TRACE(1, "cp_get_int_frame fail, ret=%d", ret);
return 4;
}
ASSERT(in_len > sizeof(*p_in_info), "%s: Bad in_len %u (should > %u)",
__func__, in_len, sizeof(*p_in_info));
p_in_info = (struct A2DP_CP_LDAC_IN_FRM_INFO_T *)in_buf;
in_buf += sizeof(*p_in_info);
in_len -= sizeof(*p_in_info);
// TRACE(2,"decode:seq %d %d %d", p_in_info->sequenceNumber,
// p_in_info->curSubSequenceNumber,p_in_info->totalSubSequenceNumber);
if (in_buf[0] != 0xaa) {
TRACE(2, "decode:seq %d %d", p_in_info->sequenceNumber,
p_in_info->curSubSequenceNumber);
DUMP8("%x ", in_buf, 30);
}
ret = ldacBT_decode(LdacDecHandle, in_buf, dec_start + dec_sum,
LDACBT_SMPL_FMT_S16, in_len, &used_bytes, &wrote_bytes);
// TRACE("%s wb:%d bb:%d pb:%d",__func__,wrote_bytes,dec_len,dec_sum);
dec_sum += wrote_bytes;
if (ret != 0) {
TRACE(1, "ldac decode error %d", ret);
TRACE(1, "LdacDecHandle error_code:%d",
ldacBT_get_error_code(LdacDecHandle));
ret = A2DP_DECODER_DECODE_ERROR;
return -1;
}
ret = a2dp_cp_consume_in_frame();
if (ret != 0) {
TRACE(2, "%s: a2dp_cp_consume_in_frame() failed: ret=%d", __func__, ret);
}
ASSERT(ret == 0, "%s: a2dp_cp_consume_in_frame() failed: ret=%d", __func__,
ret);
memcpy(&p_out_info->in_info, p_in_info, sizeof(*p_in_info));
p_out_info->decoded_frames++;
p_out_info->frame_samples = 256;
p_out_info->frame_idx = a2dp_cp_get_in_frame_index();
}
if (dec_sum != (int32_t)dec_len) {
TRACE(2, "error!!! dec_sum:%d != dec_len:%d", dec_sum, dec_len);
ASSERT(0, "%s", __func__);
}
p_out_info->pcm_len += dec_sum;
if (out_len <= sizeof(*p_out_info) + p_out_info->pcm_len) {
ret = a2dp_cp_consume_emtpy_out_frame();
ASSERT(ret == 0, "%s: a2dp_cp_consume_emtpy_out_frame() failed: ret=%d",
__func__, ret);
}
return 0;
}
#endif
int a2dp_audio_ldac_mcu_decode_frame(uint8_t *buffer, uint32_t buffer_bytes) {
list_node_t *node = NULL;
uint8_t *temp_buf_ptr1 = NULL;
uint8_t *temp_buf_ptr2 = NULL;
uint16_t pcm_output_bytes;
uint32_t lock;
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
int used_bytes = 0;
int wrote_bytes = 0;
bool cache_underflow = false;
int output_count = 0;
int result = 0;
if ((buffer_bytes < DECODE_LDAC_PCM_FRAME_LENGTH &&
(LDACBT_CHANNEL_MODE_MONO != bt_ldac_player_get_channelmode())) ||
(buffer_bytes < DECODE_LDAC_PCM_FRAME_LENGTH / 2 &&
(LDACBT_CHANNEL_MODE_MONO == bt_ldac_player_get_channelmode()))) {
TRACE(1, "ldac_decode pcm_len = %d \n", buffer_bytes);
return A2DP_DECODER_NO_ERROR;
}
if (!LdacDecHandle) {
TRACE(0, "ldac decode not ready");
return A2DP_DECODER_NO_ERROR;
}
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
// TRACE("jtx~~");
for (pcm_output_bytes = 0; pcm_output_bytes < buffer_bytes;
pcm_output_bytes += wrote_bytes) {
node = a2dp_audio_list_begin(list);
if (!node) {
TRACE(0, "ldac decode cache underflow !");
cache_underflow = true;
goto exit;
} else {
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
temp_buf_ptr1 = ldac_decoder_frame_p->buffer;
temp_buf_ptr2 = buffer + wrote_bytes * output_count;
if (temp_buf_ptr1[0] != 0xaa) {
TRACE(2, "decode:seq %d %d", ldac_decoder_frame_p->sequenceNumber,
ldac_decoder_frame_p->curSubSequenceNumber);
DUMP8("%x ", temp_buf_ptr1, 30);
}
lock = int_lock();
result = ldacBT_decode(
LdacDecHandle, temp_buf_ptr1, temp_buf_ptr2, LDACBT_SMPL_FMT_S16,
ldac_decoder_frame_p->buffer_len, &used_bytes, &wrote_bytes);
output_count++;
int_unlock(lock);
// TRACE("%s wb:%d bb:%d
// pb:%d",__func__,wrote_bytes,buffer_bytes,pcm_output_bytes);
// DUMP8("%x ",temp_buf_ptr2,10);
if (result != 0) {
output_count = 0;
TRACE(4, "%s wb:%d bb:%d pb:%d", __func__, wrote_bytes, buffer_bytes,
pcm_output_bytes);
TRACE(2, "decode:seq %d %d", ldac_decoder_frame_p->sequenceNumber,
ldac_decoder_frame_p->curSubSequenceNumber);
DUMP8("%x ", temp_buf_ptr1, 10);
TRACE(1, "ldac decode error %d", result);
result = A2DP_DECODER_DECODE_ERROR;
goto exit;
}
}
a2dp_audio_ldac_lastframe_info.sequenceNumber =
ldac_decoder_frame_p->sequenceNumber;
a2dp_audio_ldac_lastframe_info.timestamp = ldac_decoder_frame_p->timestamp;
a2dp_audio_ldac_lastframe_info.curSubSequenceNumber =
ldac_decoder_frame_p->curSubSequenceNumber;
a2dp_audio_ldac_lastframe_info.totalSubSequenceNumber =
ldac_decoder_frame_p->totalSubSequenceNumber;
a2dp_audio_ldac_lastframe_info.frame_samples =
ldac_decoder_frame_p->frame_samples;
a2dp_audio_ldac_lastframe_info.decoded_frames++;
a2dp_audio_ldac_lastframe_info.undecode_frames =
a2dp_audio_list_length(list) - 1;
a2dp_audio_decoder_internal_lastframe_info_set(
&a2dp_audio_ldac_lastframe_info);
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
}
exit:
if (cache_underflow) {
a2dp_audio_ldac_lastframe_info.undecode_frames = 0;
a2dp_audio_decoder_internal_lastframe_info_set(
&a2dp_audio_ldac_lastframe_info);
result = A2DP_DECODER_CACHE_UNDERFLOW_ERROR;
}
return result;
}
int a2dp_audio_ldac_decode_frame(uint8_t *buffer, uint32_t buffer_bytes) {
int ret = 0;
if (bt_ldac_player_get_channelmode() == LDACBT_CHANNEL_MODE_MONO) {
#ifdef A2DP_CP_ACCEL
ret = a2dp_cp_ldac_mcu_decode(buffer, buffer_bytes / sizeof(int16_t));
#else
ret = a2dp_audio_ldac_mcu_decode_frame(buffer,
buffer_bytes / sizeof(int16_t));
#endif
int16_t *out_int16 = (int16_t *)buffer;
int16_t wrote_samples = buffer_bytes / sizeof(int16_t);
for (int32_t i = wrote_samples - 1; i >= 0; i--) {
out_int16[2 * i + 1] = out_int16[i];
out_int16[2 * i] = out_int16[i];
}
} else
#ifdef A2DP_CP_ACCEL
ret = a2dp_cp_ldac_mcu_decode(buffer, buffer_bytes);
#else
ret = a2dp_audio_ldac_mcu_decode_frame(buffer, buffer_bytes);
#endif
return ret;
}
int a2dp_audio_ldac_preparse_packet(btif_media_header_t *header,
uint8_t *buffer, uint32_t buffer_bytes) {
a2dp_audio_ldac_lastframe_info.sequenceNumber = header->sequenceNumber;
a2dp_audio_ldac_lastframe_info.timestamp = header->timestamp;
a2dp_audio_ldac_lastframe_info.curSubSequenceNumber = 0;
a2dp_audio_ldac_lastframe_info.totalSubSequenceNumber = 0;
a2dp_audio_ldac_lastframe_info.frame_samples = LDAC_LIST_SAMPLES;
a2dp_audio_ldac_lastframe_info.list_samples = LDAC_LIST_SAMPLES;
a2dp_audio_ldac_lastframe_info.decoded_frames = 0;
a2dp_audio_ldac_lastframe_info.undecode_frames = 0;
a2dp_audio_decoder_internal_lastframe_info_set(
&a2dp_audio_ldac_lastframe_info);
TRACE(4, "%s seq:%d timestamp:%d frame samples:%d", __func__,
header->sequenceNumber, header->timestamp,
a2dp_audio_ldac_lastframe_info.frame_samples);
return A2DP_DECODER_NO_ERROR;
}
static void *a2dp_audio_ldac_frame_malloc(uint32_t packet_len) {
a2dp_audio_ldac_decoder_frame_t *decoder_frame_p = NULL;
uint8_t *buffer = NULL;
buffer = (uint8_t *)a2dp_audio_heap_malloc(packet_len);
decoder_frame_p = (a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_heap_malloc(
sizeof(a2dp_audio_ldac_decoder_frame_t));
decoder_frame_p->buffer = buffer;
decoder_frame_p->buffer_len = packet_len;
return (void *)decoder_frame_p;
}
void a2dp_audio_ldac_free(void *packet) {
a2dp_audio_ldac_decoder_frame_t *decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)packet;
a2dp_audio_heap_free(decoder_frame_p->buffer);
a2dp_audio_heap_free(decoder_frame_p);
}
int a2dp_audio_ldac_header_parser(btif_media_header_t *header,
uint32_t frame_num) {
return 0;
}
int a2dp_audio_ldac_store_packet(btif_media_header_t *header, uint8_t *buffer,
uint32_t buffer_bytes) {
int nRet = A2DP_DECODER_NOT_SUPPORT;
int check_header_status = 0;
uint32_t frame_cnt = 0;
uint32_t frame_num = 0;
uint32_t frame_len = 0;
uint32_t frame_len_with_head = 0;
uint16_t data1 = 0;
uint16_t data2 = 0;
buffer++;
buffer_bytes--;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
// TRACE("buffer:%x %x %x %x %x %x
// %x",buffer[0],buffer[1],buffer[2],buffer[3],buffer[4],buffer[5],buffer[6]);
// TRACE(1,"buffer:%x",buffer[2]);
data1 = (uint16_t)(buffer[1] & 0x07);
data2 = (uint16_t)buffer[2];
frame_len = ((data1 << 6 & 0xFFFF) | (data2 >> 2 & 0xFFFF));
// TRACE("#frame len:%d",frame_len);
frame_num = get_ldac_frame_num_by_rawdata(buffer, buffer_bytes);
if ((a2dp_audio_list_length(list) + frame_num) < ldac_mtu_limiter) {
for (uint32_t i = 0; i < buffer_bytes;
i += frame_len_with_head, frame_cnt++) {
// TRACE(4,"buffer:%x %x %x %x
// ",buffer[i],buffer[i+1],buffer[i+2],buffer[i+3]);
data1 = (uint16_t)(buffer[i + 1] & 0x07);
data2 = (uint16_t)buffer[i + 2];
frame_len = ((data1 << 6 & 0xFFFF) | (data2 >> 2 & 0xFFFF));
// TRACE("#frame len:%d",frame_len);
// frame_num = get_ldac_frame_num(frame_len);
// if (!frame_num)
// {
// TRACE(1,"ERROR LDAC FRAME !!! frame_num:%d", frame_num);
// DUMP8("%02x ", buffer, 4);
// return A2DP_DECODER_DECODE_ERROR;
// }
// for ldac head
frame_len_with_head = frame_len + 4;
// TRACE(2,"frame len:%d num:%d
// %d",frame_len,frame_num,a2dp_audio_list_length(list));
l2cap_frame_samples = 256 * frame_num;
// TRACE("i %d buffer bytes:%d",i,buffer_bytes);
check_header_status = check_ldac_header(buffer + i, frame_len_with_head);
if (!check_header_status) {
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_ldac_frame_malloc(
frame_len_with_head);
ldac_decoder_frame_p->sequenceNumber = header->sequenceNumber;
ldac_decoder_frame_p->curSubSequenceNumber = frame_cnt;
ldac_decoder_frame_p->totalSubSequenceNumber = frame_num;
ldac_decoder_frame_p->timestamp = header->timestamp;
ldac_decoder_frame_p->buffer_len = frame_len_with_head;
ldac_decoder_frame_p->frame_samples = 256;
memcpy(ldac_decoder_frame_p->buffer, buffer + i, frame_len_with_head);
// TRACE(5,"seq:%d len:%d i:%d buffer bytes:%d
// data:%x",header->sequenceNumber,
// frame_len,i,buffer_bytes,ldac_decoder_frame_p->buffer[0]);
// TRACE(5,"store seq:%d %d
// %d",header->sequenceNumber,ldac_decoder_frame_p->curSubSequenceNumber,ldac_decoder_frame_p->totalSubSequenceNumber);
a2dp_audio_list_append(list, ldac_decoder_frame_p);
} else {
TRACE(1, "ERROR LDAC FRAME ret:%d", check_header_status);
DUMP8("%02x ", buffer + i, 6);
break;
}
nRet = A2DP_DECODER_NO_ERROR;
}
} else {
#if 0
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
do
{
ldac_decoder_frame_p = (a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_back(list);
TRACE(3,"remov seq:%d %d %d",ldac_decoder_frame_p->sequenceNumber,ldac_decoder_frame_p->curSubSequenceNumber,ldac_decoder_frame_p->totalSubSequenceNumber);
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
}
while(ldac_decoder_frame_p->curSubSequenceNumber!=0);
#endif
TRACE(3, "%s list full current list_len step1:%d buff_len:%d", __func__,
a2dp_audio_list_length(list), buffer_bytes);
nRet = A2DP_DECODER_MTU_LIMTER_ERROR;
}
return nRet;
}
int a2dp_audio_ldac_discards_packet(uint32_t packets) {
int nRet = A2DP_DECODER_MEMORY_ERROR;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
list_node_t *node = NULL;
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
#ifdef A2DP_CP_ACCEL
a2dp_cp_reset_frame();
#endif
if (packets <= a2dp_audio_list_length(list)) {
for (uint8_t i = 0; i < packets; i++) {
node = a2dp_audio_list_begin(list);
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
}
nRet = A2DP_DECODER_NO_ERROR;
}
TRACE(3, "%s packets:%d nRet:%d", __func__, packets, nRet);
return nRet;
}
int a2dp_audio_ldac_info_get(void *info) { return A2DP_DECODER_NO_ERROR; }
static int a2dp_audio_ldac_decoder_init(void) {
int sample_rate = bt_get_ladc_sample_rate();
int channel_mode = bt_ldac_player_get_channelmode();
if (LdacDecHandle == NULL) {
if ((LdacDecHandle = ldacBT_get_handle()) == (HANDLE_LDAC_BT)NULL) {
TRACE(0, "Error: Can not Get LDAC Handle!\n");
return 1;
}
}
TRACE(2, "a2dp_audio_ldac_decoder_init sample Rate=%d, channel_mode = %d\n",
sample_rate, channel_mode);
// TRACE(1,"sys freq calc : %d\n", hal_sys_timer_calc_cpu_freq(0));
TRACE(0, "ldac need init here!!!! \n");
if ((LdacDecHandle = ldacBT_get_handle()) == (HANDLE_LDAC_BT)NULL) {
TRACE(0, "Error: Can not Get LDAC Handle!\n");
return 1;
}
int result = ldacBT_init_handle_decode(LdacDecHandle, channel_mode,
sample_rate, 0, 0, 0);
if (result) {
TRACE(1, "[ERR] Initializing LDAC Handle for synthesis! Error code %s\n",
get_error_code_string(ldacBT_get_error_code(LdacDecHandle)));
return 2;
}
return 0;
}
static void a2dp_audio_ldac_decoder_deinit(void) {
if (LdacDecHandle != NULL) {
ldacBT_free_handle(LdacDecHandle);
LdacDecHandle = NULL;
}
}
static int a2dp_audio_ldac_list_checker(void) {
// return 0;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
list_node_t *node = NULL;
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
int cnt = 0;
do {
// TRACE(1,"cnt:%d",cnt);
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_ldac_frame_malloc(216 +
4);
if (ldac_decoder_frame_p) {
a2dp_audio_list_append(list, ldac_decoder_frame_p);
}
cnt++;
} while (ldac_decoder_frame_p && cnt < LDAC_MTU_LIMITER);
do {
node = a2dp_audio_list_begin(list);
if (node) {
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
}
} while (node);
TRACE(3, "%s cnt:%d list:%d", __func__, cnt, a2dp_audio_list_length(list));
return 0;
}
int a2dp_audio_ldac_init(A2DP_AUDIO_OUTPUT_CONFIG_T *config, void *context) {
TRACE(1, "%s", __func__);
a2dp_audio_context_p = (A2DP_AUDIO_CONTEXT_T *)context;
memset(&a2dp_audio_ldac_lastframe_info, 0,
sizeof(A2DP_AUDIO_DECODER_LASTFRAME_INFO_T));
a2dp_audio_ldac_lastframe_info.stream_info = *config;
a2dp_audio_ldac_lastframe_info.frame_samples = 256;
a2dp_audio_ldac_lastframe_info.list_samples = 256;
a2dp_audio_decoder_internal_lastframe_info_set(
&a2dp_audio_ldac_lastframe_info);
ASSERT(a2dp_audio_context_p->dest_packet_mut < LDAC_MTU_LIMITER,
"%s MTU OVERFLOW:%u/%u", __func__,
a2dp_audio_context_p->dest_packet_mut, LDAC_MTU_LIMITER);
#ifdef A2DP_CP_ACCEL
int ret;
ret = a2dp_cp_init(a2dp_cp_ldac_cp_decode, CP_PROC_DELAY_2_FRAMES);
ASSERT(ret == 0, "%s: a2dp_cp_init() failed: ret=%d", __func__, ret);
#endif
a2dp_audio_ldac_decoder_init();
a2dp_audio_ldac_list_checker();
return A2DP_DECODER_NO_ERROR;
}
int a2dp_audio_ldac_deinit(void) {
#ifdef A2DP_CP_ACCEL
a2dp_cp_deinit();
#endif
a2dp_audio_ldac_decoder_deinit();
return A2DP_DECODER_NO_ERROR;
}
int a2dp_audio_ldac_synchronize_packet(A2DP_AUDIO_SYNCFRAME_INFO_T *sync_info,
uint32_t mask) {
int nRet = A2DP_DECODER_SYNC_ERROR;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
list_node_t *node = NULL;
int list_len;
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
list_len = a2dp_audio_list_length(list);
for (uint16_t i = 0; i < list_len; i++) {
node = a2dp_audio_list_begin(list);
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
// if (A2DP_AUDIO_SYNCFRAME_CHK(ldac_decoder_frame_p->sequenceNumber ==
// sync_info->sequenceNumber, A2DP_AUDIO_SYNCFRAME_MASK_SEQ, mask)&&
// A2DP_AUDIO_SYNCFRAME_CHK(ldac_decoder_frame_p->timestamp ==
// sync_info->timestamp, A2DP_AUDIO_SYNCFRAME_MASK_TIMESTAMP,
// mask))
if (A2DP_AUDIO_SYNCFRAME_CHK(ldac_decoder_frame_p->sequenceNumber ==
sync_info->sequenceNumber,
A2DP_AUDIO_SYNCFRAME_MASK_SEQ, mask) &&
A2DP_AUDIO_SYNCFRAME_CHK(ldac_decoder_frame_p->curSubSequenceNumber ==
sync_info->curSubSequenceNumber,
A2DP_AUDIO_SYNCFRAME_MASK_CURRSUBSEQ, mask) &&
A2DP_AUDIO_SYNCFRAME_CHK(ldac_decoder_frame_p->totalSubSequenceNumber ==
sync_info->totalSubSequenceNumber,
A2DP_AUDIO_SYNCFRAME_MASK_TOTALSUBSEQ, mask)) {
nRet = A2DP_DECODER_NO_ERROR;
break;
}
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
}
node = a2dp_audio_list_begin(list);
if (node) {
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
TRACE(4, "%s nRet:%d SEQ:%d timestamp:%d", __func__, nRet,
ldac_decoder_frame_p->sequenceNumber,
ldac_decoder_frame_p->timestamp);
} else {
TRACE(2, "%s nRet:%d", __func__, nRet);
// TRACE(5,"nRet:%d SEQ:%d timestamp:%d sync %d/%d", nRet,
// ldac_decoder_frame_p->sequenceNumber,
// ldac_decoder_frame_p->timestamp,sync_info->sequenceNumber,sync_info->timestamp);
}
return nRet;
}
int a2dp_audio_ldac_synchronize_dest_packet_mut(uint16_t packet_mut) {
list_node_t *node = NULL;
uint32_t list_len = 0;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame_p = NULL;
list_len = a2dp_audio_list_length(list);
if (list_len > packet_mut) {
do {
node = a2dp_audio_list_begin(list);
ldac_decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
a2dp_audio_list_remove(list, ldac_decoder_frame_p);
} while (a2dp_audio_list_length(list) > packet_mut);
}
TRACE(2, "%s list:%d", __func__, a2dp_audio_list_length(list));
return A2DP_DECODER_NO_ERROR;
}
static int a2dp_audio_ldac_headframe_info_get(
A2DP_AUDIO_HEADFRAME_INFO_T *headframe_info) {
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
list_node_t *node = NULL;
a2dp_audio_ldac_decoder_frame_t *decoder_frame_p = NULL;
if (a2dp_audio_list_length(list)) {
node = a2dp_audio_list_begin(list);
decoder_frame_p =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
headframe_info->sequenceNumber = decoder_frame_p->sequenceNumber;
headframe_info->timestamp = decoder_frame_p->timestamp;
headframe_info->curSubSequenceNumber =
decoder_frame_p->curSubSequenceNumber;
headframe_info->totalSubSequenceNumber =
decoder_frame_p->totalSubSequenceNumber;
} else {
memset(headframe_info, 0, sizeof(A2DP_AUDIO_HEADFRAME_INFO_T));
}
return A2DP_DECODER_NO_ERROR;
}
int a2dp_audio_ldac_convert_list_to_samples(uint32_t *samples) {
uint32_t list_len = 0;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
list_len = a2dp_audio_list_length(list);
*samples = LDAC_LIST_SAMPLES * list_len;
TRACE(3, "%s list:%d samples:%d", __func__, list_len, *samples);
return A2DP_DECODER_NO_ERROR;
}
int a2dp_audio_ldac_discards_samples(uint32_t samples) {
int nRet = A2DP_DECODER_SYNC_ERROR;
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
a2dp_audio_ldac_decoder_frame_t *ldac_decoder_frame = NULL;
list_node_t *node = NULL;
int need_remove_list = 0;
uint32_t list_samples = 0;
ASSERT(!(samples % LDAC_LIST_SAMPLES), "%s samples err:%d", __func__,
samples);
a2dp_audio_ldac_convert_list_to_samples(&list_samples);
if (list_samples >= samples) {
need_remove_list = samples / LDAC_LIST_SAMPLES;
for (int i = 0; i < need_remove_list; i++) {
node = a2dp_audio_list_begin(list);
ldac_decoder_frame =
(a2dp_audio_ldac_decoder_frame_t *)a2dp_audio_list_node(node);
TRACE(1, "discard seq:%d %d %d", ldac_decoder_frame->sequenceNumber,
ldac_decoder_frame->curSubSequenceNumber,
ldac_decoder_frame->totalSubSequenceNumber);
a2dp_audio_list_remove(list, ldac_decoder_frame);
}
nRet = A2DP_DECODER_NO_ERROR;
}
return nRet;
}
A2DP_AUDIO_DECODER_T a2dp_audio_ldac_decoder_config = {
{96000, 2, 16},
0,
a2dp_audio_ldac_init,
a2dp_audio_ldac_deinit,
a2dp_audio_ldac_decode_frame,
a2dp_audio_ldac_preparse_packet,
a2dp_audio_ldac_store_packet,
a2dp_audio_ldac_discards_packet,
a2dp_audio_ldac_synchronize_packet,
a2dp_audio_ldac_synchronize_dest_packet_mut,
a2dp_audio_ldac_convert_list_to_samples,
a2dp_audio_ldac_discards_samples,
a2dp_audio_ldac_headframe_info_get,
a2dp_audio_ldac_info_get,
a2dp_audio_ldac_free,
};
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