RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity

support dropping some chroma src lines for a bit extra speed 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6543 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2002-06-24 01:05:41 +00:00
parent c61e4925b1
commit ecff630554
1 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libmpcodecs/vf_scale.c
View File

@ -15,6 +15,7 @@
struct vf_priv_s {
int w,h;
int v_chr_drop;
unsigned int fmt;
SwsContext *ctx;
};
@ -58,6 +59,8 @@ static int config(struct vf_instance_s* vf,
unsigned int flags, unsigned int outfmt){
unsigned int best=find_best_out(vf);
int vo_flags;
int int_sws_flags=0;
SwsFilter *srcFilter, *dstFilter;
if(!best){
mp_msg(MSGT_VFILTER,MSGL_WARN,"SwScale: no supported outfmt found :(\n");
@ -107,10 +110,13 @@ static int config(struct vf_instance_s* vf,
if(vf->priv->ctx) freeSwsContext(vf->priv->ctx);
// new swscaler:
vf->priv->ctx=getSwsContextFromCmdLine(width,height,
swsGetFlagsAndFilterFromCmdLine(&int_sws_flags, &srcFilter, &dstFilter);
int_sws_flags|= vf->priv->v_chr_drop << SWS_SRC_V_CHR_DROP_SHIFT;
vf->priv->ctx=getSwsContext(width,height,
(outfmt==IMGFMT_I420 || outfmt==IMGFMT_IYUV)?IMGFMT_YV12:outfmt,
vf->priv->w,vf->priv->h,
(best==IMGFMT_I420 || best==IMGFMT_IYUV)?IMGFMT_YV12:best);
(best==IMGFMT_I420 || best==IMGFMT_IYUV)?IMGFMT_YV12:best,
int_sws_flags, srcFilter, dstFilter);
if(!vf->priv->ctx){
// error...
mp_msg(MSGT_VFILTER,MSGL_WARN,"Couldn't init SwScaler for this setup\n");
@ -188,9 +194,11 @@ static int open(vf_instance_t *vf, char* args){
vf->priv->ctx=NULL;
vf->priv->w=
vf->priv->h=-1;
if(args) sscanf(args, "%d:%d",
vf->priv->v_chr_drop=0;
if(args) sscanf(args, "%d:%d:%d",
&vf->priv->w,
&vf->priv->h);
&vf->priv->h,
&vf->priv->v_chr_drop);
mp_msg(MSGT_VFILTER,MSGL_V,"SwScale params: %d x %d (-1=no scaling)\n",
vf->priv->w,
vf->priv->h);