Why do you use audioSample1 for calc buffer2PaddingCount? while (audioSample1[buffer2PaddingCount] == 0 && ++buffer2PaddingCount < bufferSize2);
Why do you use audioSample1 for calc buffer2PaddingCount?
while (audioSample1[buffer2PaddingCount] == 0 && ++buffer2PaddingCount < bufferSize2);