diff options
| -rw-r--r-- | DOCS/man/en/mplayer.1 | 9 | ||||
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | libmpcodecs/ve_x264.c | 4 |
3 files changed, 14 insertions, 1 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index fe82ff8d3c..673ca13340 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -9086,6 +9086,15 @@ This usually improves speed at no cost, but it can sometimes produce artifacts in areas with no details, like sky. . .TP +.B (no)dct_decimate +Eliminate dct blocks in P-frames containing only a small single coefficient +(default: enabled). +This will remove some details, so it will save bits that can be spent +again on other frames, hopefully raising overall subjective quality. +If you are compressing non-anime content with a high target bitrate, you +may want to disable this to preserve as much detail as possible. +. +.TP .B nr=<0\-100000> Noise reduction, 0 means disabled. 100\-1000 is a useful range for typical content, but you may want to turn it @@ -6358,7 +6358,7 @@ echocheck "x264" cat > $TMPC << EOF #include <inttypes.h> #include <x264.h> -#if X264_BUILD < 45 +#if X264_BUILD < 46 #error We do not support old versions of x264. Get the latest from SVN. #endif int main(void) { x264_encoder_open((void*)0); return 0; } diff --git a/libmpcodecs/ve_x264.c b/libmpcodecs/ve_x264.c index c8ad1fdeca..16e3c98627 100644 --- a/libmpcodecs/ve_x264.c +++ b/libmpcodecs/ve_x264.c @@ -104,6 +104,7 @@ static int me_method = 2; static int me_range = 16; static int trellis = 1; static int fast_pskip = 1; +static int dct_decimate = 1; static int noise_reduction = 0; static int threads = 1; static int level_idc = 51; @@ -192,6 +193,8 @@ m_option_t x264encopts_conf[] = { {"trellis", &trellis, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL}, {"fast_pskip", &fast_pskip, CONF_TYPE_FLAG, 0, 0, 1, NULL}, {"nofast_pskip", &fast_pskip, CONF_TYPE_FLAG, 0, 0, 0, NULL}, + {"dct_decimate", &dct_decimate, CONF_TYPE_FLAG, 0, 0, 1, NULL}, + {"nodct_decimate", &dct_decimate, CONF_TYPE_FLAG, 0, 0, 0, NULL}, {"nr", &noise_reduction, CONF_TYPE_INT, CONF_RANGE, 0, 100000, NULL}, {"level_idc", &level_idc, CONF_TYPE_INT, CONF_RANGE, 10, 51, NULL}, {"threads", &threads, CONF_TYPE_INT, CONF_RANGE, 1, 4, NULL}, @@ -303,6 +306,7 @@ static int config(struct vf_instance_s* vf, int width, int height, int d_width, mod->param.analyse.b_mixed_references = mixed_references; mod->param.analyse.i_trellis = trellis; mod->param.analyse.b_fast_pskip = fast_pskip; + mod->param.analyse.b_dct_decimate = dct_decimate; mod->param.analyse.i_noise_reduction = noise_reduction; mod->param.analyse.b_bframe_rdo = bframe_rdo; |