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mb qp limits 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8493 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2002-12-18 10:51:10 +00:00
parent 906a569973
commit 46c5f08554
2 changed files with 15 additions and 1 deletions
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8
DOCS/tech/libavc-options.txt
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@ -29,6 +29,12 @@ vqmax 1-31 (maximum quantizer) for pass1/2
31 default
10-31 should be a sane range
mbqmin 1-31 (minimum macroblock quantizer) for pass1/2
2 default
mbqmax 1-31 (maximum macroblock quantizer) for pass1/2
31 default
vqdiff 1-31 (maximum quantizer difference between I or P frames) for pass1/2
3 default
@ -265,7 +271,7 @@ pred (for huffyuv)
0 left prediction
1 plane/gradient prediction
2 median prediction
lavdopts: (decoder options)
---------------------------

8
libmpcodecs/ve_lavc.c
View File

@ -62,6 +62,8 @@ static int lavc_param_vme = 4;
static int lavc_param_vqscale = 0;
static int lavc_param_vqmin = 2;
static int lavc_param_vqmax = 31;
static int lavc_param_mb_qmin = 2;
static int lavc_param_mb_qmax = 31;
static int lavc_param_vqdiff = 3;
static float lavc_param_vqcompress = 0.5;
static float lavc_param_vqblur = 0.5;
@ -119,6 +121,8 @@ struct config lavcopts_conf[]={
{"vqscale", &lavc_param_vqscale, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqmin", &lavc_param_vqmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqmax", &lavc_param_vqmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"mbqmin", &lavc_param_mb_qmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"mbqmax", &lavc_param_mb_qmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqdiff", &lavc_param_vqdiff, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
{"vqcomp", &lavc_param_vqcompress, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
{"vqblur", &lavc_param_vqblur, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
@ -208,6 +212,10 @@ static int config(struct vf_instance_s* vf,
lavc_venc_context->frame_rate = (float)mux_v->h.dwRate/mux_v->h.dwScale * FRAME_RATE_BASE;
lavc_venc_context->qmin= lavc_param_vqmin;
lavc_venc_context->qmax= lavc_param_vqmax;
#if LIBAVCODEC_BUILD >= 4646
lavc_venc_context->mb_qmin= lavc_param_mb_qmin;
lavc_venc_context->mb_qmax= lavc_param_mb_qmax;
#endif
lavc_venc_context->max_qdiff= lavc_param_vqdiff;
lavc_venc_context->qcompress= lavc_param_vqcompress;
lavc_venc_context->qblur= lavc_param_vqblur;