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draw_slice support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9492 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2003-02-23 20:40:46 +00:00
parent 0020d4b05c
commit 2074da4092
1 changed files with 33 additions and 2 deletions
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35
libmpcodecs/vf_scale.c
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@ -20,6 +20,7 @@ struct vf_priv_s {
unsigned int fmt;
SwsContext *ctx;
unsigned char* palette;
mp_image_t *dmpi;
};
extern int opt_screen_size_x;
@ -199,15 +200,43 @@ static int config(struct vf_instance_s* vf,
return vf_next_config(vf,vf->priv->w,vf->priv->h,d_width,d_height,flags,best);
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi;
static void start_slice(struct vf_instance_s* vf, mp_image_t *mpi){
// printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)) return; // shouldn't happen
// they want slices!!! allocate the buffer.
mpi->priv=vf->priv->dmpi=vf_get_image(vf->next,vf->priv->fmt,
// mpi->type, mpi->flags & (~MP_IMGFLAG_DRAW_CALLBACK),
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
vf->priv->w, vf->priv->h);
}
static void draw_slice(struct vf_instance_s* vf,
unsigned char** src, int* stride, int w,int h, int x, int y){
mp_image_t *dmpi=vf->priv->dmpi;
if(!dmpi){
mp_msg(MSGT_VFILTER,MSGL_FATAL,"vf_scale: draw_slice() called with dmpi=NULL (no get_image??)\n");
return;
}
// printf("vf_scale::draw_slice() y=%d h=%d\n",y,h);
vf->priv->ctx->swScale(vf->priv->ctx,src,stride,y,h,dmpi->planes,dmpi->stride);
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi=mpi->priv;
// printf("vf_scale::put_image(): processing whole frame! dmpi=%p flag=%d\n",
// dmpi, (mpi->flags&MP_IMGFLAG_DRAW_CALLBACK));
if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK && dmpi)){
// hope we'll get DR buffer:
dmpi=vf_get_image(vf->next,vf->priv->fmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
vf->priv->w, vf->priv->h);
vf->priv->ctx->swScale(vf->priv->ctx,mpi->planes,mpi->stride,0,mpi->h,dmpi->planes,dmpi->stride);
}
if(vf->priv->w==mpi->w && vf->priv->h==mpi->h){
// just conversion, no scaling -> keep postprocessing data
// this way we can apply pp filter to non-yv12 source using scaler
@ -314,6 +343,8 @@ static int query_format(struct vf_instance_s* vf, unsigned int fmt){
static int open(vf_instance_t *vf, char* args){
vf->config=config;
vf->start_slice=start_slice;
vf->draw_slice=draw_slice;
vf->put_image=put_image;
vf->query_format=query_format;
vf->control= control;