Complement existing filters - rotate and flip.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5764 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 93 insertions, 0 deletions

diff --git a/libmpcodecs/vf_mirror.c b/libmpcodecs/vf_mirror.c
new file mode 100644
index 0000000000..f3fb1aaf8c
--- /dev/null
+++ b/libmpcodecs/vf_mirror.c
@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "../config.h"
+#include "../mp_msg.h"
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+
+#include "../libvo/fastmemcpy.h"
+#include "../postproc/rgb2rgb.h"
+
+
+static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp){
+    int x;
+
+    // 
+    for(x=0;x<h;x++){
+	int y;
+	switch(bpp){
+	case 1:
+	    for(y=0;y<w;y++) dst[y]=src[w-y-1+x*srcstride];
+	    break;
+	case 2:
+	    for(y=0;y<w;y++) *((short*)(dst+y*2))=*((short*)(src+w-y*2-1+x*srcstride));
+	    break;
+	case 3:
+	    for(y=0;y<w;y++){
+		dst[y*3+0]=src[0+w-y*3-1+x*srcstride];
+		dst[y*3+1]=src[1+w-y*3-1+x*srcstride];
+		dst[y*3+2]=src[2+w-y*3-1+x*srcstride];
+	    }
+	    break;
+	case 4:
+	    for(y=0;y<w;y++) *((int*)(dst+y*4))=*((int*)(src+w-y*4-1+x*srcstride));
+	}
+	dst+=dststride;
+    }
+
+    //
+
+}
+
+//===========================================================================//
+
+static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+    mp_image_t *dmpi;
+
+    // hope we'll get DR buffer:
+    dmpi=vf_get_image(vf->next,mpi->imgfmt,
+	MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
+	mpi->w, mpi->h);
+	//mpi->h, mpi->w);
+
+    if(mpi->flags&MP_IMGFLAG_PLANAR){
+	       mirror(dmpi->planes[0],mpi->planes[0],
+	       dmpi->stride[0],mpi->stride[0],
+	       dmpi->w,dmpi->h,1);
+	       mirror(dmpi->planes[1],mpi->planes[1],
+	       dmpi->stride[1],mpi->stride[1],
+	       dmpi->w>>1,dmpi->h>>1,1);
+	       mirror(dmpi->planes[2],mpi->planes[2],
+	       dmpi->stride[2],mpi->stride[2],
+	       dmpi->w>>1,dmpi->h>>1,1);
+    } else {
+	mirror(dmpi->planes[0],mpi->planes[0],
+	       dmpi->stride[0],mpi->stride[0],
+	       dmpi->w,dmpi->h,dmpi->bpp>>3);	
+    }
+    
+    vf_next_put_image(vf,dmpi);
+}
+
+//===========================================================================//
+
+static int open(vf_instance_t *vf, char* args){
+    //vf->config=config;
+    vf->put_image=put_image;
+    return 1;
+}
+
+vf_info_t vf_info_mirror = {
+    "mirror",
+    "mirror",
+    "Eyck",
+    "",
+    open
+};
+
+//===========================================================================//