OPUS_SEEK_PREROLL_MS 6719 libavformat/mov.c const int OPUS_SEEK_PREROLL_MS = 80; OPUS_SEEK_PREROLL_MS 6759 libavformat/mov.c st->codecpar->seek_preroll = av_rescale_q(OPUS_SEEK_PREROLL_MS, OPUS_SEEK_PREROLL_MS 2460 libavformat/movenc.c const int OPUS_SEEK_PREROLL_MS = 80; OPUS_SEEK_PREROLL_MS 2461 libavformat/movenc.c int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS, OPUS_SEEK_PREROLL_MS 73 libavformat/oggparseopus.c st->codecpar->seek_preroll = av_rescale(OPUS_SEEK_PREROLL_MS,