Steven/3d_audio
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f1 playing bak working

Browse Source
This commit is contained in:
Steven Dan
2026-06-05 17:00:04 +08:00
parent 0e3d9ed7c5
commit bc3ba14a65
1 changed files with 48 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/br_wrapper.c
View File

@@ -15,6 +15,8 @@
#include "xua_conf.h"
#include "share_buffer.h"
extern uint32_t init_eq_data(unsigned sample_freq);
#if F1_MUSIC_UAC2 == 1 && DNR_ENABLE == 1
/* 改动原因：3 streaming chan + 1 普通 chan 传 us 192kHz（跨 tile 静态内存不共享） */
uint32_t uc_ssrc_ds_in; /* tile[0]→tile[1] 192kHz mic */
@@ -27,13 +29,18 @@ void dnr_exchange_buffer(int32_t *data);
// sample_freq 作为首字发送给 tile[0] 的 dsp_main，用于采样率变化检测和 EQ 初始化
void buffer_exchange(chanend_t c_data, unsigned sampsFromUsbToAudio[], unsigned sampsFromAudioToUsb[], unsigned sample_freq) {
chan_out_word(c_data, sample_freq);
// chan_out_buf_word (c_data, sampsFromUsbToAudio, 2);
// chan_in_buf_word (c_data , sampsFromUsbToAudio, 2);
#if DNR_ENABLE == 1
chan_out_buf_word (c_data, sampsFromAudioToUsb, 2);
chan_in_buf_word (c_data , sampsFromAudioToUsb, 2);
#endif
unsigned data_in[4] = {0,0,0,0};
unsigned data_out[4] = {0,0,0,0};
data_in[0] = sampsFromUsbToAudio[0];
data_in[1] = sampsFromUsbToAudio[1];
data_in[2] = sampsFromAudioToUsb[0];
data_in[3] = sampsFromAudioToUsb[1];
chan_out_buf_word (c_data, data_in, 4);
chan_in_buf_word (c_data , data_out, 4);
sampsFromUsbToAudio[0] = data_out[0];
sampsFromUsbToAudio[1] = data_out[1];
sampsFromAudioToUsb[0] = data_out[2];
sampsFromAudioToUsb[1] = data_out[3];
}
@@ -44,8 +51,10 @@ void dsp_main (chanend_t c_data) {
int mic_output[I2S_CHANS_ADC];
int count = 0;
unsigned ch[1] = {2};
unsigned data_in[4] = {0,0,0,0};
unsigned data_out[4] = {0,0,0,0};
#if F1_MUSIC_UAC2 == 1
unsigned current_sample_freq = 0;
unsigned current_sample_freq = 192000;
#else
unsigned current_sample_freq = 48000;
#endif
@@ -60,25 +69,33 @@ void dsp_main (chanend_t c_data) {
static int us_first_batch = 1;
#endif
while (1) {
/* 协议：tile[1] 先发 sample_freq，再发 mic_input[2]；
* tile[0] 接收处理后发回 mic_output[2] */
unsigned sample_freq = (unsigned)chan_in_word(c_data);
// chan_in_buf_word (c_data , play_input, 2);
/* 采样率变化：复位 SSRC 状态 */
if (sample_freq != current_sample_freq && sample_freq != 0) {
current_sample_freq = sample_freq;
init_eq_data(current_sample_freq);
clear_ring_buffer(0);
clear_ring_buffer(1);
clear_ring_buffer(2);
clear_ring_buffer(3);
#if F1_MUSIC_UAC2 == 1 && DNR_ENABLE == 1
/* 改动原因：采样率变化时复位所有 SSRC 状态，下一批重新从头开始 */
ds_tick = 0;
us_cache_idx = 4;
us_first_batch = 1;
#endif
}
while (1) {
chan_in_buf_word(c_data, data_in, 4);
chan_out_buf_word(c_data, data_out, 4);
// chan_out_buf_word (c_data , play_output, I2S_CHANS_DAC);
chan_in_buf_word(c_data, mic_input, 2); /* 接收 tile[1] 发来的原始 mic */
#if EQ_ENABLE == 1
write_to_ring_buffer(0, data_in[0]);
write_to_ring_buffer(1, data_in[1]);
data_out[0] = read_from_ring_buffer(2);
data_out[1] = read_from_ring_buffer(3);
// data_out[0] = data_in[0];
// data_out[1] = data_in[1];
#else
data_out[0] = data_in[0];
data_out[1] = data_in[1];
#endif
#if DNR_ENABLE == 1
#if F1_MUSIC_UAC2 == 1
@@ -93,8 +110,8 @@ void dsp_main (chanend_t c_data) {
* 在前 3 拍期间已完成并阻塞等待消费，读取近乎零延迟），再触发本批 ds→DNR→us_in。
* 代价：录音延迟增加约 20.8µs（一个 48kHz 周期），人耳不可感知。
*/
s_chan_out_word((chanend_t)uc_ssrc_ds_in, (uint32_t)mic_input[0]);
s_chan_out_word((chanend_t)uc_ssrc_ds_in, (uint32_t)mic_input[1]);
s_chan_out_word((chanend_t)uc_ssrc_ds_in, (uint32_t)data_in[2]);
s_chan_out_word((chanend_t)uc_ssrc_ds_in, (uint32_t)data_in[3]);
ds_tick++;
if (ds_tick >= 4) {
@@ -124,23 +141,21 @@ void dsp_main (chanend_t c_data) {
}
if (us_cache_idx < 4) {
mic_output[0] = us_cache[us_cache_idx][0];
mic_output[1] = us_cache[us_cache_idx][1];
data_out[2] = us_cache[us_cache_idx][0];
data_out[3] = us_cache[us_cache_idx][1];
us_cache_idx++;
} else {
mic_output[0] = 0;
mic_output[1] = 0;
data_out[2] = 0;
data_out[3] = 0;
}
#else
dnr_exchange_buffer(mic_input);
mic_output[0] = mic_input[0];
mic_output[1] = mic_input[1];
dnr_exchange_buffer((int32_t *)&data_in[2]);
data_out[2] = data_in[2];
data_out[3] = data_in[3];
#endif
#else
mic_output[0] = mic_input[0];
mic_output[1] = mic_input[1];
data_out[2] = data_in[2];
data_out[3] = data_in[3];
#endif
/* 发回处理后的 mic 数据，buffer_exchange 接收后写入 sampsFromAudioToUsb */
chan_out_buf_word(c_data, mic_output, I2S_CHANS_ADC);
}
}