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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2025-11-07 14:42:40 +01:00
parent 4fcce0fbc9
commit f188a400ec
1 changed files with 9 additions and 9 deletions
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18
src/class/audio/audio_device.c
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@ -452,7 +452,7 @@ static inline uint8_t audiod_get_audio_fct_idx(audiod_function_t *audio);
#if CFG_TUD_AUDIO_ENABLE_EP_IN && CFG_TUD_AUDIO_EP_IN_FLOW_CONTROL
static void audiod_parse_flow_control_params(audiod_function_t *audio, uint8_t const *p_desc);
static bool audiod_calc_tx_packet_sz(audiod_function_t *audio);
static uint16_t audiod_tx_packet_size(const uint16_t *norminal_size, uint16_t data_count, uint16_t fifo_depth, uint16_t fifo_threshold, uint16_t max_size);
static uint16_t audiod_tx_packet_size(const uint16_t *nominal_size, uint16_t data_count, uint16_t fifo_depth, uint16_t fifo_threshold, uint16_t max_size);
#endif
#if CFG_TUD_AUDIO_ENABLE_EP_OUT && CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP
@ -1858,22 +1858,22 @@ static bool audiod_calc_tx_packet_sz(audiod_function_t *audio) {
return true;
}
static uint16_t audiod_tx_packet_size(const uint16_t *norminal_size, uint16_t data_count, uint16_t fifo_depth, uint16_t fifo_threshold, uint16_t max_depth) {
static uint16_t audiod_tx_packet_size(const uint16_t *nominal_size, uint16_t data_count, uint16_t fifo_depth, uint16_t fifo_threshold, uint16_t max_depth) {
// Flow control need a FIFO size of at least 4*Navg
if (norminal_size[1] && norminal_size[1] <= fifo_depth * 4) {
if (nominal_size[1] && nominal_size[1] <= fifo_depth * 4) {
// Use blackout to prioritize normal size packet
static int ctrl_blackout = 0;
uint16_t packet_size;
uint16_t slot_size = norminal_size[2] - norminal_size[1];
if (data_count < norminal_size[0]) {
uint16_t slot_size = nominal_size[2] - nominal_size[1];
if (data_count < nominal_size[0]) {
// If you get here frequently, then your I2S clock deviation is too big !
packet_size = 0;
} else if (data_count < (fifo_threshold - slot_size) && !ctrl_blackout) {
packet_size = norminal_size[0];
packet_size = nominal_size[0];
ctrl_blackout = 10;
} else if (data_count > (fifo_threshold + slot_size) && !ctrl_blackout) {
packet_size = norminal_size[2];
if (norminal_size[0] == norminal_size[1]) {
packet_size = nominal_size[2];
if (nominal_size[0] == nominal_size[1]) {
// nav > INT(nav), eg. 44.1k, 88.2k
ctrl_blackout = 0;
} else {
@ -1881,7 +1881,7 @@ static uint16_t audiod_tx_packet_size(const uint16_t *norminal_size, uint16_t da
ctrl_blackout = 10;
}
} else {
packet_size = norminal_size[1];
packet_size = nominal_size[1];
if (ctrl_blackout) {
ctrl_blackout--;
}