bool x264_speedcontrol_verbose = false;
int x264_bitrate = -1; // In kilobit/sec. -1 = not set = DEFAULT_X264_OUTPUT_BIT_RATE.
float x264_crf = HUGE_VAL; // From 51 - QP_MAX_SPEC to 51. HUGE_VAL = not set = use x264_bitrate instead.
bool x264_speedcontrol_verbose = false;
int x264_bitrate = -1; // In kilobit/sec. -1 = not set = DEFAULT_X264_OUTPUT_BIT_RATE.
float x264_crf = HUGE_VAL; // From 51 - QP_MAX_SPEC to 51. HUGE_VAL = not set = use x264_bitrate instead.