diff --git a/usermods/audioreactive/audio_reactive.h b/usermods/audioreactive/audio_reactive.h index 50448ab1..bdd11143 100644 --- a/usermods/audioreactive/audio_reactive.h +++ b/usermods/audioreactive/audio_reactive.h @@ -1500,9 +1500,10 @@ class AudioReactive : public Usermod { // validate sequence, discard out-of-sequence packets static uint8_t lastFrameCounter = 0; bool sequenceOK = false; - if(receivedPacket->frameCounter > lastFrameCounter) sequenceOK = true; - if((lastFrameCounter > 248) && (receivedPacket->frameCounter < 12)) sequenceOK = true; // handle roll-over (255 -> 0) - if((sequenceOK == false) && (receivedPacket->frameCounter != 0)) { // always accept "0" - its the legacy value + if(receivedPacket->frameCounter > lastFrameCounter) sequenceOK = true; // sequence OK + if((lastFrameCounter < 12) && (receivedPacket->frameCounter > 248)) sequenceOK = false; // prevent sequence "roll-back" due to late packets (1->254) + if((lastFrameCounter > 248) && (receivedPacket->frameCounter < 12)) sequenceOK = true; // handle roll-over (255 -> 0) + if((sequenceOK == false) && (receivedPacket->frameCounter != 0)) { // always accept "0" - its the legacy value DEBUGSR_PRINTF("Skipping audio frame out of order or duplicated - %u vs %u\n", lastFrameCounter, receivedPacket->frameCounter); return false; // reject out-of sequence frame }