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fix v71 boot noise

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This commit is contained in:
Steven Dan
2026-05-26 09:47:47 +08:00
parent 1061261200
commit 131a41d530
1 changed files with 8 additions and 2 deletions
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10
sw_usb_audio/app_usb_aud_fosi_c1_v71/src/extensions/dsp.c
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@@ -274,6 +274,8 @@ void UserBufferManagementInit(unsigned sampFreq)
clear_ring_buffer(3);
}
#endif
memset(ubm_ingress, 0, sizeof(ubm_ingress));
memset(ubm_egress, 0, sizeof(ubm_egress));
#if 0// USE_EX3D == 1
memset(ubm_ingress, 0, sizeof(ubm_ingress));
memset(ubm_egress, 0, sizeof(ubm_egress));
@@ -303,6 +305,12 @@ void UserBufferManagementInit(unsigned sampFreq)
EX3D_TO_UBM_CHANS * DSP_BLOCK_LENGTH);
memset(ubm_ingress, 0, sizeof(ubm_ingress)); // 清掉哑帧输出
#endif
// ② 预热：推一个零帧穿过 ex3d，触发所有 worker 加载 + 首次同步
chan_out_buf_word(uc_ex3d_to_ubm, (const uint32_t *)ubm_egress,
UBM_TO_EX3D_CHANS * DSP_BLOCK_LENGTH);
chan_in_buf_word (uc_ex3d_to_ubm, (uint32_t *)ubm_ingress,
EX3D_TO_UBM_CHANS * DSP_BLOCK_LENGTH);
memset(ubm_ingress, 0, sizeof(ubm_ingress)); // 清掉哑帧输出
}
float fLevel[NUM_USB_CHAN_OUT] = {0,};
enum {UBM_A3D_OFF=0, UBM_A3D_VON=1, UBM_A3D_ON=2};
@@ -1298,7 +1306,6 @@ void ex3d_task(chanend_t c_ex3d_to_ubm){
memset(ubm_egress, 0, sizeof(ubm_egress));
audio_ex3d_onoff(1);
#if !UAC1_MODE
Ex3dOffGain = -5;
Ex3dOnGain = -5;
Ex3dLfeGain = -5;
@@ -1339,7 +1346,6 @@ void ex3d_task(chanend_t c_ex3d_to_ubm){
tx1_apply_ex3d_for_game_mode(init_gm);
g_tx1_last_ex3d_game_applied = init_gm;
}
#endif
#endif
while (1) {