yvu9toyv12 converter

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6486 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 71 insertions, 0 deletions

diff --git a/libmpcodecs/vf_yvu9.c b/libmpcodecs/vf_yvu9.c
new file mode 100644
index 0000000000..b7ad27a8c0
--- /dev/null
+++ b/libmpcodecs/vf_yvu9.c
@@ -0,0 +1,71 @@
+#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 int config(struct vf_instance_s* vf,
+        int width, int height, int d_width, int d_height,
+	unsigned int flags, unsigned int outfmt){
+    
+    if(vf_next_query_format(vf,IMGFMT_YV12)<=0){
+	printf("yv12 not supported by next filter/vo :(\n");
+	return 0;
+    }
+    
+    return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12);
+}
+
+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,IMGFMT_YV12,
+	MP_IMGTYPE_TEMP, 0/*MP_IMGFLAG_ACCEPT_STRIDE*/,
+	mpi->w, mpi->h);
+
+    yvu9toyv12(mpi->planes[0],mpi->planes[1],mpi->planes[2],
+	    dmpi->planes[0], dmpi->planes[1], dmpi->planes[2], mpi->w, mpi->h,
+	    dmpi->stride[0], dmpi->stride[1]);
+    
+    dmpi->qscale=mpi->qscale;
+    dmpi->qstride=mpi->qstride;
+    
+    vf_next_put_image(vf,dmpi);
+}
+
+//===========================================================================//
+
+static int query_format(struct vf_instance_s* vf, unsigned int fmt){
+    if (fmt == IMGFMT_YVU9)
+	return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
+    return 0;
+}
+
+static int open(vf_instance_t *vf, char* args){
+    vf->config=config;
+    vf->put_image=put_image;
+    vf->query_format=query_format;
+    return 1;
+}
+
+vf_info_t vf_info_yvu9 = {
+    "fast YVU9->YV12 conversion",
+    "yvu9",
+    "alex",
+    "",
+    open
+};
+
+//===========================================================================//