postprocessing filter (fixme: -pp 0)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5513 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 78 insertions, 0 deletions

diff --git a/libmpcodecs/vf_pp.c b/libmpcodecs/vf_pp.c
new file mode 100644
index 0000000000..fd868b672a
--- /dev/null
+++ b/libmpcodecs/vf_pp.c
@@ -0,0 +1,78 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../config.h"
+#include "../mp_msg.h"
+
+#include "../mp_image.h"
+#include "vf.h"
+
+#include "../postproc/postprocess.h"
+
+struct vf_priv_s {
+    unsigned int pp;
+    mp_image_t *dmpi;
+};
+
+//===========================================================================//
+
+static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
+    if(vf->priv->pp&0xFFFF) return; // non-local filters enabled
+    if(vf->priv->pp && mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
+    // ok, we can do pp in-place (or pp disabled):
+    vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt,
+        mpi->type, mpi->flags, mpi->w, mpi->h);
+    mpi->planes[0]=vf->priv->dmpi->planes[0];
+    mpi->stride[0]=vf->priv->dmpi->stride[0];
+    mpi->width=vf->priv->dmpi->width;
+    if(mpi->flags&MP_IMGFLAG_PLANAR){
+        mpi->planes[1]=vf->priv->dmpi->planes[1];
+        mpi->planes[2]=vf->priv->dmpi->planes[2];
+	mpi->stride[1]=vf->priv->dmpi->stride[1];
+	mpi->stride[2]=vf->priv->dmpi->stride[2];
+    }
+    mpi->flags|=MP_IMGFLAG_DIRECT;
+}
+
+static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+    if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
+	// no DR, so get a new image! hope we'll get DR buffer:
+	vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt,
+	    MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ALIGNED_STRIDE,
+	    mpi->w,mpi->h);
+    }
+    
+    if(vf->priv->pp || !(mpi->flags&MP_IMGFLAG_DIRECT)){
+	// do the postprocessing! (or copy if no DR)
+	postprocess(mpi->planes,mpi->stride[0],
+		    vf->priv->dmpi->planes,vf->priv->dmpi->stride[0],
+		    mpi->w,mpi->h,
+		    mpi->qscale, mpi->qstride,
+		    vf->priv->pp);
+    }
+    
+    vf_next_put_image(vf,vf->priv->dmpi);
+}
+
+//===========================================================================//
+
+extern int divx_quality;
+
+static int open(vf_instance_t *vf, char* args){
+    vf->get_image=get_image;
+    vf->put_image=put_image;
+    vf->priv=malloc(sizeof(struct vf_priv_s));
+    vf->priv->pp=divx_quality;
+    return 1;
+}
+
+vf_info_t vf_info_pp = {
+    "postprocessing",
+    "pp",
+    "A'rpi",
+    "",
+    open
+};
+
+//===========================================================================//