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enable dnr for lp

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This commit is contained in:
Steven Dan
2026-05-19 12:01:43 +08:00
parent 2431265de4
commit a8a8d22613
2 changed files with 2 additions and 179 deletions
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74
sw_usb_audio/app_usb_aud_fosi_c1_lp/src/extensions/dsp_wrapper.c
View File

@@ -69,74 +69,8 @@ void unmute_dac(void);
void unmute_spdif_led(void);
void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudioToUsb[])
{
static unsigned mute_count = 0;
static unsigned unmute_count = 0;
static unsigned mute_threshold = 200000; // 静音阈值
static unsigned unmute_threshold = 1000; // 取消静音阈值，可根据实际调整
static unsigned unmute_delay = 1000;
static unsigned old_samfreq = 0;
unsigned samfreq;
GET_SHARED_GLOBAL(samfreq, g_samfreq);
if (samfreq <= 192000)
{
if (samfreq != old_samfreq)
{
old_samfreq = samfreq;
mute_count = 0;
unmute_count = 0;
mute_threshold = samfreq / 2;
unmute_threshold = samfreq / 50;
unmute_delay = samfreq / 200;
amp_muted = 1;
debug_printf("samFreq %d and mute\n", samfreq);
#if !OPT && !COAX
mute_dac();
#else
mute_dac();
#endif
}
if (is_silence(sampsFromUsbToAudio, 2))
{
mute_count++;
if ((mute_count > unmute_delay) && (unmute_count != 0))
{
unmute_count = 0;
debug_printf("mute_count %d\n", mute_count);
}
if (mute_count >= mute_threshold && !amp_muted) {
//mute_amp();
amp_muted = 1;
#if !OPT && !COAX
// sampsFromUsbToAudio[0] = 0;
// sampsFromUsbToAudio[1] = 0;
// mute_dac();
#else
//mute_dac();
#endif
//debug_printf("AMP Muted\n");
}
}
else
{
unmute_count++;
if (unmute_count > unmute_delay)
{
mute_count = 0;
debug_printf("unmute_count %d\n", unmute_count);
}
if (unmute_count >= unmute_threshold) {
//unmute_amp();
amp_muted = 0;
#if !OPT && !COAX
unmute_dac();
#else
unmute_dac();
unmute_spdif_led();
#endif
//debug_printf("AMP Unmuted\n");
}
}
#if EQ_EN
unsigned eq_enable;
@@ -154,11 +88,5 @@ void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudi
sampsFromUsbToAudio[1] = read_from_ring_buffer(3);
}
#endif
}
else
{
mute_count = 0;
unmute_count = 0;
}
}
#endif

107
sw_usb_audio/app_usb_aud_fosi_c1_lp/src/extensions/extra_i2s.xc
View File

@@ -106,80 +106,14 @@ inline unsigned is_silence(const unsigned samps[], int len)
void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudioToUsb[])
{
#if 0
unsigned dnr_enable = 0;
unsigned adc_loop = 0;
unsigned l_3d_fps = 0;
static int amp_muted = 0;
unsafe
{
GET_SHARED_GLOBAL(dnr_enable, g_dnr_enable);
GET_SHARED_GLOBAL(l_3d_fps, g_3d_fps);
// GET_SHARED_GLOBAL(fps_enable, g_fps_enable);
// GET_SHARED_GLOBAL(three_d_enable, g_3d_enable);
GET_SHARED_GLOBAL(adc_loop, g_adc_loop);
if (l_3d_fps == 2)
{
static unsigned mute_count = 0;
static unsigned unmute_count = 0;
static unsigned mute_threshold = 48000; // 静音阈值
static unsigned unmute_threshold = 4800; // 取消静音阈值，可根据实际调整
static unsigned unmute_delay = 1000;
if (is_silence(sampsFromUsbToAudio, 2))
{
mute_count++;
if (mute_count > unmute_delay)
{
unmute_count = 0;
}
if (mute_count >= mute_threshold) {
amp_muted = 1;
#if 0
sampsFromUsbToAudio[0] = 0;
sampsFromUsbToAudio[1] = 0;
sampsFromUsbToAudio[2] = 0;
sampsFromUsbToAudio[3] = 0;
sampsFromUsbToAudio[4] = 0;
sampsFromUsbToAudio[5] = 0;
sampsFromUsbToAudio[6] = 0;
sampsFromUsbToAudio[7] = 0;
#endif
// debug_printf("AMP Muted\n");
}
}
else
{
unmute_count++;
if (unmute_count > unmute_delay)
{
mute_count = 0;
}
if (unmute_count >= unmute_threshold && amp_muted) {
amp_muted = 0;
unmute_dac();
}
}
buffer_exchange((chanend) uc_br_data, sampsFromUsbToAudio, sampsFromAudioToUsb, NUM_USB_CHAN_OUT);
}
else
{
if (sampsFromUsbToAudio[2] != 0)
{
sampsFromUsbToAudio[0] += sampsFromUsbToAudio[2];
sampsFromUsbToAudio[1] += sampsFromUsbToAudio[2];
}
if (l_3d_fps == 1)
{
buffer_exchange((chanend) uc_br_data, sampsFromUsbToAudio, sampsFromAudioToUsb, 2);
}
}
if (dnr_enable)
{
@@ -192,50 +126,11 @@ void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudi
if (adc_loop)
{
amp_muted = 0;
unmute_dac();
sampsFromUsbToAudio[0] = (sampsFromAudioToUsb[1]) + (sampsFromUsbToAudio[0]);
sampsFromUsbToAudio[1] = (sampsFromAudioToUsb[1]) + (sampsFromUsbToAudio[1]);
}
else if (l_3d_fps != 2)
{
}
static unsigned mute_count = 0;
static unsigned unmute_count = 0;
static unsigned mute_threshold = 2800; // 静音阈值
static unsigned unmute_threshold = 4800; // 取消静音阈值，可根据实际调整
static unsigned unmute_delay = 1000;
if (is_silence(sampsFromUsbToAudio, 2))
{
mute_count++;
if (mute_count > unmute_delay)
{
unmute_count = 0;
}
if (mute_count >= mute_threshold) {
amp_muted = 1;
//sampsFromUsbToAudio[0] = 0;
//sampsFromUsbToAudio[1] = 0;
// debug_printf("AMP Muted\n");
}
}
else
{
unmute_count++;
if (unmute_count > unmute_delay)
{
mute_count = 0;
}
if (unmute_count >= unmute_threshold && amp_muted) {
amp_muted = 0;
unmute_dac();
}
}
}
}
#endif
}
#endif