diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/audio/audio_device.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/src/class/audio/audio_device.c b/src/class/audio/audio_device.c index e246281be..d32ed56b2 100644 --- a/src/class/audio/audio_device.c +++ b/src/class/audio/audio_device.c @@ -2614,25 +2614,39 @@ static uint16_t audiod_tx_packet_size(const uint16_t* norminal_size, uint16_t da // Flow control need a FIFO size of at least 4*Navg if(norminal_size[1] && norminal_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 < fifo_depth / 2 - slot_size) + if (data_count < norminal_size[0]) { - if (data_count < norminal_size[0]) - { // If you get here frequently, then your I2S clock deviation is too big ! packet_size = 0; + } else + if (data_count < fifo_depth / 2 - slot_size && !ctrl_blackout) + { + packet_size = norminal_size[0]; + ctrl_blackout = 10; + } else + if (data_count > fifo_depth / 2 + slot_size && !ctrl_blackout) + { + packet_size = norminal_size[2]; + if(norminal_size[0] == norminal_size[1]) + { + // nav = INT(nav) + 1 + ctrl_blackout = 2; } else { - packet_size = norminal_size[0]; + // nav = INT(nav) + ctrl_blackout = 10; } - } - else if (data_count > fifo_depth / 2 + slot_size) - { - packet_size = norminal_size[2]; } else { packet_size = norminal_size[1]; + if (ctrl_blackout) + { + ctrl_blackout--; + } } // Normally this cap is not necessary return tu_min16(packet_size, max_depth); |