disconnect()

bool AudioConnection::disconnect

(

void

)

Definition at line 240 of file AudioStream.cpp.

{
    AudioConnection *p;
 
    if (!isConnected) return false;
    if (dest_index > pDst->num_inputs) return false;
    //Serial.flush();
    //Serial.print(F("M (eris)AudioConnection:disconnect()"));
    //Serial.print(F(" src: "));Serial.print(pSrc->short_name);
    //Serial.print(F(" src ptr:"));Serial.print((uint32_t)pSrc);
    //Serial.print(F(":"));Serial.print((uint32_t)src_index);
    //Serial.print(F(" dst: "));Serial.print(pDst->short_name);
    //Serial.print(F(" dst ptr:"));Serial.print((uint32_t)pDst);
    //Serial.print(F(":"));Serial.println((uint32_t)dest_index);
 
    //__disable_irq();
    // Remove destination from source list
    p = pSrc->destination_list;
    if (p == NULL) {
//>>> PAH re-enable the IRQ
        //__enable_irq();
        return false;
    } else if (p == this) {
        if (p->next_dest) {
            pSrc->destination_list = next_dest;
        } else {
            pSrc->destination_list = NULL;
        }
    } else {
        while (p) {
            if (p == this) {
                if (p->next_dest) {
                    p = next_dest;
                    break;
                } else {
                    p = NULL;
                    break;
                }
            }
            p = p->next_dest;
        }
        //Serial.println(F("(eris)AudioConnection:disconnect() complete"));
    }
//>>> PAH release the audio buffer properly
    //Remove possible pending src block from destination
    if(pDst->inputQueue[dest_index] != NULL) {
        AudioStream::release(pDst->inputQueue[dest_index]);
        // release() re-enables the IRQ. Need it to be disabled a little longer
        //__disable_irq();
        pDst->inputQueue[dest_index] = NULL;
    }
 
    //Check if the disconnected AudioStream objects should still be active
    pSrc->numConnections--;
    if (pSrc->numConnections == 0) {
        pSrc->active = false;
    }
 
    pDst->numConnections--;
    if (pDst->numConnections == 0) {
        pDst->active = false;
    }
 
    isConnected = false;
    //__enable_irq();
    return true;
}

References AudioStream::active, dest_index, AudioStream::destination_list, AudioStream::inputQueue, isConnected, next_dest, AudioStream::num_inputs, AudioStream::numConnections, p, pDst, pSrc, and AudioStream::release().

Referenced by ~AudioConnection().

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