AC3ENC_OPT_OFF   1963 libavcodec/ac3enc.c             opt->copyright = AC3ENC_OPT_OFF;
AC3ENC_OPT_OFF     71 libavcodec/ac3enc_opts_template.c {"stereo_rematrixing", "Stereo Rematrixing", OFFSET(stereo_rematrixing), AV_OPT_TYPE_INT, {.i64 = AC3ENC_OPT_ON }, AC3ENC_OPT_OFF, AC3ENC_OPT_ON, AC3ENC_PARAM},