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KT25-0812_82A-UART/cpu/br25/audio_dec/audio_dec_spdif.c

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23 KiB
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inited
2025-08-12 10:09:23 +00:00
/*
****************************************************************
*File : audio_spdif.c
*Note :
*
****************************************************************
*********************** spdif_dec ******************************/
#include "asm/includes.h"
#include "media/includes.h"
#include "system/includes.h"
#include "effectrs_sync.h"
#include "application/audio_eq_drc_apply.h"
#include "app_config.h"
#include "audio_config.h"
#include "audio_dec.h"
#include "app_config.h"
#include "app_main.h"
#include "audio_enc.h"
#include "clock_cfg.h"
#include "media/pcm_decoder.h"
#if TCFG_SPDIF_ENABLE
#define SPDIF_DEC_DATA_BUF_LEN 1024*4
struct s_spdif_decode {
struct pcm_decoder pcm_dec;
struct file_decoder file_dec;
struct audio_stream *audio_stream; // 音频流
struct audio_res_wait wait;
struct audio_mixer_ch mix_ch;
u32 coding_type;
struct audio_fmt fmt;
volatile u16 pcm_sr;
cbuffer_t dec_cbuf;
u8 dec_data_buf[SPDIF_DEC_DATA_BUF_LEN];
u8 status;
struct audio_eq_drc *eq_drc;
};
void *spdif_eq_drc_open(u16 sample_rate, u8 ch_num);
void spdif_eq_drc_close(struct audio_eq_drc *eq_drc);
static void reset_pcm_sample_rate(u16 sr);
int spdif_dec_open(struct audio_fmt fmt);
void spdif_dec_close(void);
struct audio_spdif_hdl spdif_slave_hdl;
struct s_spdif_decode *spdif_dec_hdl = NULL;
int spdif_non_linear_packet(u16 *pkt, u16 pkt_len)
{
enum IEC61937DataType data_type;
u16 search_index = 0;
int data_cp_begin_idx = 0;
int data_cp_len = 0;
u16 *data = pkt;
u16 *data_ptr = NULL;
int zero_cnt = 0;
u32 state = 0;
int pkt_size_bits, offset, skip_len;
if (spdif_slave_hdl.length_code > 0) {
if (spdif_slave_hdl.length_code >= SPDIF_DATA_DAM_LEN * 2) {
data_cp_begin_idx = 0;
data_cp_len = SPDIF_DATA_DAM_LEN * 2;
spdif_slave_hdl.length_code -= data_cp_len;
} else {
data_cp_begin_idx = 0;
data_cp_len = spdif_slave_hdl.length_code;
spdif_slave_hdl.length_code = 0;
}
//写入解码cbuf
/* int spdif_dec_write_data(s16 *data, int len) */
spdif_dec_write_data(&data[data_cp_begin_idx], data_cp_len * 2);
if (spdif_slave_hdl.length_code != 0) {
return 0;
} else {
search_index = data_cp_len;
}
}
if (spdif_slave_hdl.find_sync_word != 0) {
printf("[last:%d,%x]", search_index, data[search_index]);
if (data[search_index] == SYNCWORD2) {
puts("3");
} else {
puts("M");
spdif_slave_hdl.find_sync_word = 0;
return -1;
}
} else {
while (search_index < pkt_len) {
if (data[search_index] == SYNCWORD1) {
spdif_slave_hdl.find_sync_word = 1;
}
if (++search_index >= pkt_len) {
return -1;
}
if (spdif_slave_hdl.find_sync_word) {
if ((data[search_index] == SYNCWORD2) && (data[search_index - 1] == SYNCWORD1)) {
break;
} else {
spdif_slave_hdl.find_sync_word = 0;
}
}
}
}
spdif_slave_hdl.find_sync_word = 0;
data_type = data[++search_index];
spdif_slave_hdl.decoder_type = data_type & 0xff;
pkt_size_bits = data[++search_index];
spdif_slave_hdl.length_code = (pkt_size_bits >> 3) >> 1; //16bit
if (pkt_size_bits % 16) {
printf("packet not endinf at a 16-bit boundary %d-%d \n", pkt_size_bits, search_index);
for (int i = 0; i < pkt_len; i++) {
printf("%x ", data[i]);
}
}
++search_index;
data_cp_len = pkt_len - search_index;
skip_len = 2048 - (spdif_slave_hdl.length_code << 1) - BURST_HEADER_SZIE;
if (data_cp_len) {
spdif_dec_write_data(&data[search_index], data_cp_len * 2);
data_cp_len = 0;
}
return 0;
}
#define SAMPLE_RATE_TABLE_SIZE 14
static u8 old_samplerate_index = 6; /*位置记得要跟默认采样率对应*/
u16 spdif_sample_rate_table[SAMPLE_RATE_TABLE_SIZE] = {
80,
110,
160,
221,
240,
320,
441,
480,
504,
640,
882,
960,
1764,
1920,
};
#define SPDIF_DEFAULT_OUT_SAMPLE_RATE 44100
static u32 cal_samplerate(void)
{
static u32 pre_sr_cnt = 0;
static u32 sr_cnt = 0;
sr_cnt = JL_SS->SR_CNT;
u8 search_index = 0, i = 0;
u32 tick_result = 0 ;
tick_result = (((clk_get("lsb") / 100 * SPDIF_DATA_DAM_LEN)) / sr_cnt);
for (i = 0; i < SAMPLE_RATE_TABLE_SIZE; i++) {
if ((tick_result > (spdif_sample_rate_table[i] - 20)) && (tick_result < (spdif_sample_rate_table[i] + 20))) {
search_index = i;
}
}
if ((search_index != 0) && (old_samplerate_index != search_index)) {
printf("\n\n spdif SET src param %d %d--- \n\n", spdif_sample_rate_table[search_index], tick_result);
reset_pcm_sample_rate(spdif_sample_rate_table[search_index] * 100);
old_samplerate_index = search_index;
}
return 0;
}
___interrupt
static void spdif_isr_handler()
{
int index = 0;
s32 *ptr;
u8 *info_ptr = NULL;
s16 data_ptr[SPDIF_DATA_DAM_LEN * SPDIF_CHANNEL_NUMBER];
u16 *u_data_ptr = (u16 *)data_ptr;
/* putchar('A'); */
if (I_PND) { //information pending
I_PND_CLR;
index = !(USING_INF_BUF_INDEX >> 13);
info_ptr = (u8 *) &spdif_slave_hdl.p_spdif_info_buf[index];
for (int i = 0; i < SPDIF_INFO_LEN; i++) {
if (!(info_ptr[0]&INFO_VALIDITY_BIT)) {
break;
}
spdif_slave_hdl.validity_bit_flag = 1;
}
}
if (ERROR_VALUE) { // some error flag
if (ERROR_VALUE & (BIT(8) | BIT(9))) {
memset(&spdif_slave_hdl.p_spdif_data_buf[0], 0x0, SPDIF_DATA_DAM_LEN * SPDIF_CHANNEL_NUMBER);
memset(&spdif_slave_hdl.p_spdif_data_buf[1], 0x0, SPDIF_DATA_DAM_LEN * SPDIF_CHANNEL_NUMBER);
}
if (JL_SS->CON & BIT(11)) {
//模块复位
putchar('E');
audio_spdif_slave_close(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 1;
ERR_CLR;
return;
}
ERR_CLR;
}
if (spdif_slave_hdl.error_flag) {
return;
}
if (D_PND) { //data pending
D_PND_CLR;
if (spdif_slave_hdl.validity_bit_flag) { //DST
spdif_slave_hdl.validity_bit_flag = 0;
index = !(USING_BUF_INDEX >> 12);
ptr = (s32 *)spdif_slave_hdl.p_spdif_data_buf[index];
for (int i = 0; i < SPDIF_DATA_DAM_LEN * 2; i += 2) {
u_data_ptr[i] = (u16)(ptr[i] >> 8);
u_data_ptr[i + 1] = (u16)(ptr[i + 1] >> 8);
}
if (!spdif_dec_hdl) {
#if 0
struct audio_fmt fmt;
fmt.channel = 2;
fmt.coding_type = AUDIO_CODING_DTS;
fmt.sample_rate = SPDIF_DEFAULT_OUT_SAMPLE_RATE;
spdif_dec_open(fmt);
#endif
audio_spdif_slave_close(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 2;
} else if (spdif_dec_hdl->fmt.coding_type != AUDIO_CODING_DTS) {
putchar('d');
//模块复位
audio_spdif_slave_close(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 2;
return;
}
if (spdif_dec_hdl && (spdif_slave_hdl.status == SPDIF_STATE_START)) {
spdif_non_linear_packet(u_data_ptr, SPDIF_DATA_DAM_LEN * 2);
}
/* putchar('D'); */
return;
} else { //PCM
if (!spdif_dec_hdl) {
#if 0
putchar('p');
struct audio_fmt fmt;
fmt.channel = 2;
fmt.coding_type = AUDIO_CODING_PCM;
fmt.sample_rate = SPDIF_DEFAULT_OUT_SAMPLE_RATE;
spdif_dec_open(fmt);
#endif
audio_spdif_slave_close(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 1;
return;
} else if (spdif_dec_hdl->fmt.coding_type != AUDIO_CODING_PCM) {
putchar('p');
audio_spdif_slave_close(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 1;
return;
}
/* putchar('D'); */
cal_samplerate();
index = !(USING_BUF_INDEX >> 12);
ptr = (s32 *) spdif_slave_hdl.p_spdif_data_buf[index];
for (int i = 0; i < SPDIF_DATA_DAM_LEN * 2; i += 2) {
data_ptr[i] = (s16)(ptr[i] >> 8);
data_ptr[i + 1] = (s16)(ptr[i + 1] >> 8);
}
if ((spdif_dec_hdl) && (spdif_slave_hdl.status == SPDIF_STATE_START)) {
int wlen = spdif_dec_write_data(data_ptr, SPDIF_DATA_DAM_LEN * SPDIF_CHANNEL_NUMBER * 2);
if (wlen == 0) {
/* printf(" wlen = 0"); */
}
}
memset(spdif_slave_hdl.p_spdif_data_buf[index], 0, SPDIF_DATA_DAM_LEN * SPDIF_CHANNEL_NUMBER * 2);
}
}
if (CSB_PND) {
CSB_PND_CLR;
}
}
// 写入spdif数据
/* int spdif_dec_write_data(s16 *data, int len) */
int spdif_dec_write_data(void *data, int len)
{
if (!spdif_dec_hdl) {
return 0;
}
u16 wlen = cbuf_write(&spdif_dec_hdl->dec_cbuf, data, len);
if (wlen) {
audio_decoder_resume(&spdif_dec_hdl->pcm_dec.decoder);
}
/* printf("wl:%d ", wlen); */
return wlen;
}
static void spdif_dec_release(void)
{
audio_decoder_task_del_wait(&decode_task, &spdif_dec_hdl->wait);
if (spdif_dec_hdl) {
clock_remove(SPDIF_CLK);
free(spdif_dec_hdl);
spdif_dec_hdl = NULL;
}
}
static void file_dec_event_handler(struct audio_decoder *decoder, int argc, int *argv)
{
switch (argv[0]) {
case AUDIO_DEC_EVENT_END:
printf("\n--func=%s\n", __FUNCTION__);
spdif_dec_close();
break;
}
}
/*----------------------------------------------------------------------------*/
/**@brief 文件指针定位
@param *decoder: 解码器句柄
@param offset: 定位偏移
@param seek_mode: 定位类型
@return 0：成功
@return 非0：错误
@note
*/
/*----------------------------------------------------------------------------*/
static int spdif_file_seek(struct audio_decoder *decoder, u32 offset, int seek_mode)
{
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief 读取文件数据
@param *decoder: 解码器句柄
@param *buf: 数据
@param len: 数据长度
@return >=0：读到的数据长度
@return <0：错误
@note
*/
/*----------------------------------------------------------------------------*/
static int spdif_file_read(struct audio_decoder *decoder, void *buf, u32 len)
{
int rlen;
rlen = cbuf_read(&spdif_dec_hdl->dec_cbuf, buf, len);
return rlen;
}
static const struct audio_dec_input file_input = {
.coding_type = AUDIO_CODING_DTS,
.data_type = AUDIO_INPUT_FILE,
.ops = {
.file = {
.fread = spdif_file_read,
.fseek = spdif_file_seek,
}
}
};
static int spdif_dec_read(void *hdl, void *buf, int len)
{
int rlen = 0;
rlen = cbuf_read(&spdif_dec_hdl->dec_cbuf, buf, len);
/* printf("rlen:%d\n",rlen); */
return rlen;
}
int spdif_data_size(void *hdl)
{
struct s_spdif_decode *spdif_hdl = (struct s_spdif_decode *)hdl;
return cbuf_get_data_size(&spdif_hdl->dec_cbuf);
}
int spdif_data_total(void *hdl)
{
struct s_spdif_decode *spdif_hdl = (struct s_spdif_decode *)hdl;
return spdif_hdl->dec_cbuf.total_len;
}
static void reset_pcm_sample_rate(u16 sr)
{
spdif_dec_hdl->pcm_sr = sr;
}
static u16 get_pcm_sample_rate(void)
{
/* printf("[%d]",spdif_dec_hdl->pcm_sr); */
return spdif_dec_hdl->pcm_sr;
}
/*----------------------------------------------------------------------------*/
/**@brief pcm解码数据输出
@param *entry: 音频流句柄
@param *in: 输入信息
@param *out: 输出信息
@return 输出长度
@note *out未使用
*/
/*----------------------------------------------------------------------------*/
static int pcm_dec_data_handler(struct audio_stream_entry *entry,
struct audio_data_frame *in,
struct audio_data_frame *out)
{
struct audio_decoder *decoder = container_of(entry, struct audio_decoder, entry);
struct pcm_decoder *pcm_dec = container_of(decoder, struct pcm_decoder, decoder);
if (in->offset == 0) {
in->sample_rate = get_pcm_sample_rate();
}
audio_stream_run(&decoder->entry, in);
return decoder->process_len;
}
static void pcm_dec_event_handler(struct audio_decoder *decoder, int argc, int *argv)
{
}
/*----------------------------------------------------------------------------*/
/**@brief pcm解码数据流激活
@param *p: 私有句柄
@return
@note
*/
/*----------------------------------------------------------------------------*/
static void dec_out_stream_resume(void *p)
{
struct s_spdif_decode *dec = (struct s_spdif_decode *)p;
audio_decoder_resume(&dec->pcm_dec.decoder);
}
int spdif_dec_start(void)
{
int err = 0;
u8 ch_num = 0;
struct audio_fmt f;
if (!spdif_dec_hdl) {
return -EINVAL;
}
if (spdif_dec_hdl->fmt.coding_type == AUDIO_CODING_DTS) {
puts("dts \n");
return -EINVAL;
err = file_decoder_open(&spdif_dec_hdl->file_dec, &file_input, &decode_task, NULL, 0);
if (err) {
return err;
}
file_decoder_set_event_handler(&spdif_dec_hdl->file_dec, file_dec_event_handler, 0);
} else {
puts("pcm \n");
err = pcm_decoder_open(&spdif_dec_hdl->pcm_dec, &decode_task);
if (err) {
return err;
}
pcm_decoder_set_event_handler(&spdif_dec_hdl->pcm_dec, pcm_dec_event_handler, 0);
pcm_decoder_set_read_data(&spdif_dec_hdl->pcm_dec, spdif_dec_read, spdif_dec_hdl);
pcm_decoder_set_data_handler(&spdif_dec_hdl->pcm_dec, pcm_dec_data_handler);
}
printf("\n--func=%s\n", __FUNCTION__);
audio_mode_main_dec_open(AUDIO_MODE_MAIN_STATE_DEC_SPDIF);
audio_mixer_ch_open_head(&spdif_dec_hdl->mix_ch, &mixer);
audio_mixer_ch_set_no_wait(&spdif_dec_hdl->mix_ch, 1, 10); // 超时自动丢数
/* audio_mixer_ch_set_src(&spdif_dec_hdl->mix_ch, 1, 0); */
#if 1
struct audio_mixer_ch_sync_info info = {0};
info.priv = spdif_dec_hdl;
info.get_total = spdif_data_total;
info.get_size = spdif_data_size;
audio_mixer_ch_set_sync(&spdif_dec_hdl->mix_ch, &info, 1, 1);
#endif
ch_num = audio_output_channel_num();
u16 sample_rate = spdif_dec_hdl->fmt.sample_rate;
spdif_dec_hdl->eq_drc = spdif_eq_drc_open(sample_rate, ch_num);
// 数据流串联
struct audio_stream_entry *entries[8] = {NULL};
u8 entry_cnt = 0;
if (spdif_dec_hdl->fmt.coding_type == AUDIO_CODING_DTS) {
entries[entry_cnt++] = &spdif_dec_hdl->file_dec.decoder.entry;
} else {
entries[entry_cnt++] = &spdif_dec_hdl->pcm_dec.decoder.entry;
}
#if TCFG_EQ_ENABLE && TCFG_SPDIF_MODE_EQ_ENABLE
if (spdif_dec_hdl->eq_drc) {
entries[entry_cnt++] = &spdif_dec_hdl->eq_drc->entry;
}
#endif
entries[entry_cnt++] = &spdif_dec_hdl->mix_ch.entry;
spdif_dec_hdl->audio_stream = audio_stream_open(spdif_dec_hdl, dec_out_stream_resume);
audio_stream_add_list(spdif_dec_hdl->audio_stream, entries, entry_cnt);
audio_output_set_start_volume(APP_AUDIO_STATE_MUSIC);
err = audio_decoder_start(&spdif_dec_hdl->pcm_dec.decoder);
if (err) {
spdif_eq_drc_close(spdif_dec_hdl->eq_drc);
return err;
}
clock_set_cur();
printf("\n--func=%s\n", __FUNCTION__);
spdif_dec_hdl->status = SPDIF_STATE_START;
return 0;
}
int spdif_dec_stop(void)
{
if (spdif_dec_hdl) {
spdif_dec_hdl->status = SPDIF_STATE_STOP;
pcm_decoder_close(&spdif_dec_hdl->pcm_dec);
spdif_eq_drc_close(spdif_dec_hdl->eq_drc);
audio_mixer_ch_close(&spdif_dec_hdl->mix_ch);
if (spdif_dec_hdl->audio_stream) {
audio_stream_close(spdif_dec_hdl->audio_stream);
spdif_dec_hdl->audio_stream = 0;
}
}
return 0;
}
static int spdif_wait_res_handler(struct audio_res_wait *wait, int event)
{
int err = 0;
if (event == AUDIO_RES_GET) {
err = spdif_dec_start();
} else if (event == AUDIO_RES_PUT) {
err = spdif_dec_stop();
}
return err;
}
static void spdif_status_check(void *priv)
{
static u8 cnt = 0;
if (spdif_dec_hdl && (spdif_slave_hdl.status == SPDIF_STATE_START || spdif_slave_hdl.status == SPDIF_STATE_STOP)) {
/* printf("spdif status \n"); */
if (spdif_slave_hdl.error_flag == 1) {
printf("spdif reset \n");
/* audio_spdif_slave_close(&spdif_slave_hdl); */
spdif_dec_close();
struct audio_fmt fmt;
fmt.channel = 2;
fmt.coding_type = AUDIO_CODING_PCM;
fmt.sample_rate = SPDIF_DEFAULT_OUT_SAMPLE_RATE;
spdif_dec_open(fmt);
audio_spdif_slave_open(&spdif_slave_hdl);
audio_spdif_slave_start(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 0;
} else if (spdif_slave_hdl.error_flag == 2) {
printf("spdif reset \n");
/* audio_spdif_slave_close(&spdif_slave_hdl); */
spdif_dec_close();
struct audio_fmt fmt;
fmt.channel = 2;
fmt.coding_type = AUDIO_CODING_DTS;
fmt.sample_rate = SPDIF_DEFAULT_OUT_SAMPLE_RATE;
spdif_dec_open(fmt);
audio_spdif_slave_open(&spdif_slave_hdl);
audio_spdif_slave_start(&spdif_slave_hdl);
spdif_slave_hdl.error_flag = 0;
} else {
#if 10
if (spdif_dec_hdl->status == SPDIF_STATE_START) {
if (spdif_data_size(spdif_dec_hdl) == 0) {
if (cnt < 6) {
cnt++;
}
if (cnt == 5) {
audio_mixer_ch_pause(&spdif_dec_hdl->mix_ch, 1);
audio_decoder_resume_all(&decode_task);
}
} else {
if (cnt > 4) {
audio_mixer_ch_pause(&spdif_dec_hdl->mix_ch, 0);
audio_decoder_resume_all(&decode_task);
}
cnt = 0;
}
}
#endif
}
}
}
///*----------------------------------------------------------------------------*/
/**@brief spdif 硬件设置
@param 无
@return 无
@note
*/
/*----------------------------------------------------------------------------*/
static void _spdif_open(void)
{
#if TCFG_SPDIF_OUTPUT_ENABLE
spdif_slave_hdl.output_port = SPDIF_OUT_PORT_A;//PA0
#endif
spdif_slave_hdl.input_port = SPDIF_IN_PORT_D;//PA6
audio_spdif_slave_open(&spdif_slave_hdl);
audio_spdif_slave_start(&spdif_slave_hdl);
#if TCFG_HDMI_ARC_ENABLE
extern void hdmi_cec_init(void);
hdmi_cec_init();
#endif
}
void spdif_init(void)
{
audio_spdif_slave_init(&spdif_slave_hdl);
request_irq(IRQ_SPDIF_IDX, 2, spdif_isr_handler, 0);
sys_timer_add(NULL, spdif_status_check, 250);
struct audio_fmt fmt;
fmt.channel = 2;
fmt.coding_type = AUDIO_CODING_PCM;
fmt.sample_rate = SPDIF_DEFAULT_OUT_SAMPLE_RATE;
spdif_dec_open(fmt);
#if (TCFG_APP_SPDIF_EN == 0)
_spdif_open(); //for test
#endif
}
int spdif_dec_open(struct audio_fmt fmt)
{
int err;
if (spdif_dec_hdl) {
return -1;
}
spdif_dec_hdl = zalloc(sizeof(struct s_spdif_decode));
if (!spdif_dec_hdl) {
return -ENOMEM;
}
clock_add(SPDIF_CLK);
printf("\n--func=%s\n", __FUNCTION__);
cbuf_init(&spdif_dec_hdl->dec_cbuf, spdif_dec_hdl->dec_data_buf, SPDIF_DEC_DATA_BUF_LEN);
spdif_dec_hdl->fmt.channel = fmt.channel;
spdif_dec_hdl->fmt.coding_type = fmt.coding_type;
spdif_dec_hdl->fmt.sample_rate = fmt.sample_rate;
spdif_dec_hdl->fmt.coding_type = fmt.coding_type;
spdif_dec_hdl->coding_type = fmt.coding_type;
if (fmt.coding_type == AUDIO_CODING_DTS) {
spdif_dec_hdl->file_dec.ch_type = AUDIO_CH_MAX;
spdif_dec_hdl->file_dec.output_ch_num = audio_output_channel_num();
spdif_dec_hdl->file_dec.output_ch_type = audio_output_channel_type();
} else {
old_samplerate_index = 6;
spdif_dec_hdl->pcm_dec.ch_num = fmt.channel;
spdif_dec_hdl->pcm_dec.output_ch_num = audio_output_channel_num();
spdif_dec_hdl->pcm_dec.output_ch_type = audio_output_channel_type();
spdif_dec_hdl->pcm_dec.sample_rate = fmt.sample_rate;
spdif_dec_hdl->pcm_sr = fmt.sample_rate;
}
spdif_dec_hdl->wait.priority = 4;
spdif_dec_hdl->wait.preemption = 0;
spdif_dec_hdl->wait.protect = 1;//1 叠加模式
spdif_dec_hdl->wait.snatch_same_prio = 1;
spdif_dec_hdl->wait.handler = spdif_wait_res_handler;
spdif_dec_hdl->status = SPDIF_STATE_OPEN;
err = audio_decoder_task_add_wait(&decode_task, &spdif_dec_hdl->wait);
return err;
}
void spdif_dec_close(void)
{
printf("\n--func1=%s\n", __FUNCTION__);
if (!spdif_dec_hdl) {
return;
}
spdif_dec_stop();
spdif_dec_release();
clock_set_cur();
}
bool spdif_dec_check(void)
{
if (spdif_dec_hdl) {
return true;
}
return false;
}
/*----------------------------------------------------------------------------*/
/**@brief spdi模式 eq drc 打开
@param sample_rate:采样率
@param ch_num:通道个数
@return 句柄
@note
*/
/*----------------------------------------------------------------------------*/
void *spdif_eq_drc_open(u16 sample_rate, u8 ch_num)
{
#if TCFG_EQ_ENABLE
struct audio_eq_drc *eq_drc = NULL;
struct audio_eq_drc_parm effect_parm = {0};
#if TCFG_SPDIF_MODE_EQ_ENABLE
effect_parm.eq_en = 1;
#if TCFG_DRC_ENABLE
#if TCFG_SPDIF_MODE_DRC_ENABLE
effect_parm.drc_en = 1;
effect_parm.drc_cb = drc_get_filter_info;
#endif
#endif
if (effect_parm.eq_en) {
effect_parm.async_en = 1;
effect_parm.out_32bit = 1;
effect_parm.online_en = 1;
effect_parm.mode_en = 1;
}
effect_parm.eq_name = song_eq_mode;
#if TCFG_EQ_DIVIDE_ENABLE
effect_parm.divide_en = 1;
#endif
effect_parm.ch_num = ch_num;
effect_parm.sr = sample_rate;
effect_parm.eq_cb = eq_get_filter_info;
eq_drc = audio_eq_drc_open(&effect_parm);
clock_add(EQ_CLK);
if (effect_parm.drc_en) {
clock_add(EQ_DRC_CLK);
}
#endif
return eq_drc;
#endif//TCFG_EQ_ENABLE
return NULL;
}
/*----------------------------------------------------------------------------*/
/**@brief spdif式 eq drc 关闭
@param 句柄
@return
@note
*/
/*----------------------------------------------------------------------------*/
void spdif_eq_drc_close(struct audio_eq_drc *eq_drc)
{
#if TCFG_EQ_ENABLE
#if TCFG_SPDIF_MODE_EQ_ENABLE
if (eq_drc) {
audio_eq_drc_close(eq_drc);
eq_drc = NULL;
clock_remove(EQ_CLK);
#if TCFG_DRC_ENABLE
#if TCFG_SPDIF_MODE_DRC_ENABLE
clock_remove(EQ_DRC_CLK);
#endif
#endif
}
#endif
#endif
return;
}
#endif // TCFG_SPDIF_ENABLE
/***********************spdif dec end*****************************/
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