MAX_SILENCE_STEP  847 libswresample/swresample.c     while (count > MAX_SILENCE_STEP) {
MAX_SILENCE_STEP  848 libswresample/swresample.c         if ((ret = swr_inject_silence(s, MAX_SILENCE_STEP)) < 0)
MAX_SILENCE_STEP  850 libswresample/swresample.c         count -= MAX_SILENCE_STEP;