github/mpv
1
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2025-01-16 22:37:28 +01:00
Code Releases Activity

(de)intrleave luma & chroma idependantly

Browse Source 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8007 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2002-10-31 22:47:51 +00:00
parent 877a1a9e22
commit 2e2faf4a17
2 changed files with 35 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
DOCS/tech/vop.txt
View File

@ -189,10 +189,9 @@ Current plugins:
swap U & V plane
MPI: EXPORT
-vop il=[d|i][s][c]
-vop il=[d|i][s][:[d|i][s]]
(de)interleaves lines
d deinterleave
i interleave
c chroma too (otherwise only luma is modified if the format is planar YUV)
s swap fields (exchange even & odd lines)
MPI: TEMP, accepts stride

64
libmpcodecs/vf_il.c
View File

@ -37,11 +37,14 @@
//===========================================================================//
typedef struct FilterParam{
int interleave;
int swap;
}FilterParam;
struct vf_priv_s {
int interleave;
int chroma;
int swap;
FilterParam lumaParam;
FilterParam chromaParam;
};
@ -85,6 +88,8 @@ static int interleave(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, i
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
int w;
FilterParam *luma = &vf->priv->lumaParam;
FilterParam *chroma= &vf->priv->chromaParam;
mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
@ -96,25 +101,16 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
w= mpi->w * mpi->bpp/8;
interleave(dmpi->planes[0], mpi->planes[0],
w, mpi->h, dmpi->stride[0], mpi->stride[0], vf->priv->interleave, vf->priv->swap);
w, mpi->h, dmpi->stride[0], mpi->stride[0], luma->interleave, luma->swap);
if(mpi->flags&MP_IMGFLAG_PLANAR){
int cw= mpi->w >> mpi->chroma_x_shift;
int ch= mpi->h >> mpi->chroma_y_shift;
if(vf->priv->chroma){
interleave(dmpi->planes[1], mpi->planes[1], cw,ch,
dmpi->stride[1], mpi->stride[1], vf->priv->interleave, vf->priv->swap);
interleave(dmpi->planes[2], mpi->planes[2], cw,ch,
dmpi->stride[2], mpi->stride[2], vf->priv->interleave, vf->priv->swap);
}else{
int y;
for(y=0; y < ch; y++)
memcpy(dmpi->planes[1] + dmpi->stride[1]*y, mpi->planes[1] + mpi->stride[1]*y, cw);
for(y=0; y < ch; y++)
memcpy(dmpi->planes[2] + dmpi->stride[2]*y, mpi->planes[2] + mpi->stride[2]*y, cw);
}
interleave(dmpi->planes[1], mpi->planes[1], cw,ch,
dmpi->stride[1], mpi->stride[1], chroma->interleave, luma->swap);
interleave(dmpi->planes[2], mpi->planes[2], cw,ch,
dmpi->stride[2], mpi->stride[2], chroma->interleave, luma->swap);
}
return vf_next_put_image(vf,dmpi);
@ -127,6 +123,20 @@ static int query_format(struct vf_instance_s* vf, unsigned int fmt){
return vf_next_query_format(vf, fmt);
}
static void parse(FilterParam *fp, char* args){
char *pos;
char *max= strchr(args, ':');
if(!max) max= args + strlen(args);
pos= strchr(args, 's');
if(pos && pos<max) fp->swap=1;
pos= strchr(args, 'i');
if(pos && pos<max) fp->interleave=1;
pos= strchr(args, 'd');
if(pos && pos<max) fp->interleave=-1;
}
static int open(vf_instance_t *vf, char* args){
char *pos, *max;
@ -136,19 +146,13 @@ static int open(vf_instance_t *vf, char* args){
vf->query_format=query_format;
vf->priv=malloc(sizeof(struct vf_priv_s));
memset(vf->priv, 0, sizeof(struct vf_priv_s));
if(args==NULL) return 0;
max= args + strlen(args);
pos= strchr(args, 's');
if(pos && pos<max) vf->priv->swap=1;
pos= strchr(args, 'c');
if(pos && pos<max) vf->priv->chroma=1;
pos= strchr(args, 'i');
if(pos && pos<max) vf->priv->interleave=1;
pos= strchr(args, 'd');
if(pos && pos<max) vf->priv->interleave=-1;
if(args)
{
char *arg2= strchr(args,':');
if(arg2) parse(&vf->priv->chromaParam, arg2+1);
parse(&vf->priv->lumaParam, args);
}
return 1;
}