From: Fiona Glaser Date: Sun, 12 Jul 2009 19:07:01 +0000 (-0700) Subject: Improve documentation of qp/crf options X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1921079dd03d36502308379c4437e4440a970473;p=libx264 Improve documentation of qp/crf options --- diff --git a/x264.c b/x264.c index 91d2ca15..6e04edd8 100644 --- a/x264.c +++ b/x264.c @@ -200,9 +200,9 @@ static void Help( x264_param_t *defaults, int b_longhelp ) H0( "\n" ); H0( "Ratecontrol:\n" ); H0( "\n" ); - H0( " -q, --qp Set QP (0=lossless) [%d]\n", defaults->rc.i_qp_constant ); + H0( " -q, --qp Set QP (0-51, 0=lossless)\n" ); H0( " -B, --bitrate Set bitrate (kbit/s)\n" ); - H0( " --crf Quality-based VBR (nominal QP)\n" ); + H0( " --crf Quality-based VBR (0-51, 0=lossless) [%.1f]\n", defaults->rc.f_rf_constant ); H1( " --vbv-maxrate Max local bitrate (kbit/s) [%d]\n", defaults->rc.i_vbv_max_bitrate ); H0( " --vbv-bufsize Enable CBR and set size of the VBV buffer (kbit) [%d]\n", defaults->rc.i_vbv_buffer_size ); H1( " --vbv-init Initial VBV buffer occupancy [%.1f]\n", defaults->rc.f_vbv_buffer_init );