diff options
| author | michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-07-24 10:36:06 +0000 |
|---|---|---|
| committer | michael <michael@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-07-24 10:36:06 +0000 |
| commit | 14ddfdddf8697c478f005168d92333beaa7ba20c (patch) | |
| tree | 755d64b6d869dc3a497edce4dd5402586cbb2b8f /libmpcodecs/vf_scale.c | |
| parent | 53ab918dcf7c2655ca11a42d2343289ac86716f0 (diff) | |
| download | mpv-14ddfdddf8697c478f005168d92333beaa7ba20c.tar.bz2 mpv-14ddfdddf8697c478f005168d92333beaa7ba20c.tar.xz | |
vertical scaler with accurate rounding, some people on doom9 can see +-1 errors
the +-1 issue is limited to >2tap vertical filters, so bilinear upscale was unaffected
the new code is sometime faster sometimes slower but the difference is significant (~20%) so its optional and enabled with arnd=1
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19177 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/vf_scale.c')
| -rw-r--r-- | libmpcodecs/vf_scale.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libmpcodecs/vf_scale.c b/libmpcodecs/vf_scale.c index 008603e832..c65e0b2495 100644 --- a/libmpcodecs/vf_scale.c +++ b/libmpcodecs/vf_scale.c @@ -28,6 +28,7 @@ static struct vf_priv_s { unsigned char* palette; int interlaced; int noup; + int accurate_rnd; int query_format_cache[64]; } vf_priv_dflt = { -1,-1, @@ -219,6 +220,7 @@ static int config(struct vf_instance_s* vf, // new swscaler: sws_getFlagsAndFilterFromCmdLine(&int_sws_flags, &srcFilter, &dstFilter); int_sws_flags|= vf->priv->v_chr_drop << SWS_SRC_V_CHR_DROP_SHIFT; + int_sws_flags|= vf->priv->accurate_rnd * SWS_ACCURATE_RND; vf->priv->ctx=sws_getContext(width, height >> vf->priv->interlaced, outfmt, vf->priv->w, vf->priv->h >> vf->priv->interlaced, @@ -470,6 +472,7 @@ static int open(vf_instance_t *vf, char* args){ vf->priv->w= vf->priv->h=-1; vf->priv->v_chr_drop=0; + vf->priv->accurate_rnd=0; vf->priv->param[0]= vf->priv->param[1]=SWS_PARAM_DEFAULT; vf->priv->palette=NULL; @@ -612,6 +615,7 @@ static m_option_t vf_opts_fields[] = { // As we want this option to act on the option struct itself {"presize", 0, CONF_TYPE_OBJ_PRESETS, 0, 0, 0, &size_preset}, {"noup", ST_OFF(noup), CONF_TYPE_INT, M_OPT_RANGE, 0, 1, NULL}, + {"arnd", ST_OFF(accurate_rnd), CONF_TYPE_FLAG, 0, 0, 1, NULL}, { NULL, NULL, 0, 0, 0, 0, NULL } }; |