diff options
| -rw-r--r-- | DOCS/en/mplayer.1 | 18 | ||||
| -rw-r--r-- | libmpcodecs/ve_lavc.c | 13 |
2 files changed, 30 insertions, 1 deletions
diff --git a/DOCS/en/mplayer.1 b/DOCS/en/mplayer.1 index 26cffc4fd3..286f986192 100644 --- a/DOCS/en/mplayer.1 +++ b/DOCS/en/mplayer.1 @@ -3162,6 +3162,24 @@ Note: vqmin should be 8 or larger. .IPs umv unlimited MVs (H.263+ only) Allow encoding of abritarily long MVs. +.IPs ibias=<\-256\-256> +intra quantizer bias (256 == 1.0) +.br +mpeg style quantizer default: 96 +.br +h263 style quantizer default: 0 +.br +Note: the h263 MMX quantizer cannot handle positive biases (set vfdct=1or2) + the mpeg MMX quantizer cannot handle negative biases (set vfdct=1or2) +.IPs pbias=<\-256\-256> +inter quantizer bias (256 == 1.0) +.br +mpeg style quantizer default: 0 +.br +h263 style quantizer default: -64 +.br +Note: the h263 MMX quantizer cannot handle positive biases (set vfdct=1or2) + the mpeg MMX quantizer cannot handle negative biases (set vfdct=1or2) .RE . .TP diff --git a/libmpcodecs/ve_lavc.c b/libmpcodecs/ve_lavc.c index 0b11819605..b7e79a4ed4 100644 --- a/libmpcodecs/ve_lavc.c +++ b/libmpcodecs/ve_lavc.c @@ -120,6 +120,10 @@ static int lavc_param_last_pred= 0; static int lavc_param_pre_me= 1; static int lavc_param_me_subpel_quality= 8; static int lavc_param_me_range= 0; +#if LIBAVCODEC_BUILD >= 4663 +static int lavc_param_ibias= FF_DEFAULT_QUANT_BIAS; +static int lavc_param_pbias= FF_DEFAULT_QUANT_BIAS; +#endif #include "cfgparser.h" @@ -201,6 +205,10 @@ struct config lavcopts_conf[]={ {"aic", &lavc_param_aic, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_AIC, NULL}, {"umv", &lavc_param_umv, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_H263P_UMV, NULL}, #endif +#if LIBAVCODEC_BUILD >= 4663 + {"ibias", &lavc_param_ibias, CONF_TYPE_INT, CONF_RANGE, -512, 512, NULL}, + {"pbias", &lavc_param_pbias, CONF_TYPE_INT, CONF_RANGE, -512, 512, NULL}, +#endif {NULL, NULL, 0, 0, 0, 0, NULL} }; #endif @@ -295,6 +303,10 @@ static int config(struct vf_instance_s* vf, #if LIBAVCODEC_BUILD >= 4659 lavc_venc_context->me_range= lavc_param_me_range; #endif +#if LIBAVCODEC_BUILD >= 4663 + lavc_venc_context->intra_quant_bias= lavc_param_ibias; + lavc_venc_context->inter_quant_bias= lavc_param_pbias; +#endif p= lavc_param_rc_override_string; for(i=0; p; i++){ @@ -556,7 +568,6 @@ static void uninit(struct vf_instance_s* vf){ #if LIBAVCODEC_BUILD >= 4643 if(lavc_param_psnr){ double f= lavc_venc_context->width*lavc_venc_context->height*255.0*255.0; - f*= lavc_venc_context->coded_frame->coded_picture_number; printf("PSNR: Y:%2.2f, Cb:%2.2f, Cr:%2.2f, All:%2.2f\n", |