1 files changed, 105 insertions, 0 deletions
diff --git a/libavfilter/libmpcodecs/vf_yvu9.c b/libavfilter/libmpcodecs/vf_yvu9.c
new file mode 100644
index 0000000000..1f74261ccf
--- /dev/null
+++ b/libavfilter/libmpcodecs/vf_yvu9.c
@@ -0,0 +1,105 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "config.h"
+#include "mp_msg.h"
+#include "help_mp.h"
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+
+#include "libvo/fastmemcpy.h"
+
+//===========================================================================//
+
+static int config(struct vf_instance *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){
+        mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_WarnNextFilterDoesntSupport, "YVU9");
+        return 0;
+    }
+
+    return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12);
+}
+
+static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
+    mp_image_t *dmpi;
+    int y,w,h;
+
+    // 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);
+
+    for(y=0;y<mpi->h;y++)
+        fast_memcpy(dmpi->planes[0]+dmpi->stride[0]*y,
+               mpi->planes[0]+mpi->stride[0]*y,
+               mpi->w);
+
+    w=mpi->w/4; h=mpi->h/2;
+    for(y=0;y<h;y++){
+        unsigned char* s=mpi->planes[1]+mpi->stride[1]*(y>>1);
+        unsigned char* d=dmpi->planes[1]+dmpi->stride[1]*y;
+        int x;
+        for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x];
+    }
+    for(y=0;y<h;y++){
+        unsigned char* s=mpi->planes[2]+mpi->stride[2]*(y>>1);
+        unsigned char* d=dmpi->planes[2]+dmpi->stride[2]*y;
+        int x;
+        for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x];
+    }
+
+    vf_clone_mpi_attributes(dmpi, mpi);
+
+    return vf_next_put_image(vf,dmpi, pts);
+}
+
+//===========================================================================//
+
+static int query_format(struct vf_instance *vf, unsigned int fmt){
+    if (fmt == IMGFMT_YVU9 || fmt == IMGFMT_IF09)
+        return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
+    return 0;
+}
+
+static int vf_open(vf_instance_t *vf, char *args){
+    vf->config=config;
+    vf->put_image=put_image;
+    vf->query_format=query_format;
+    return 1;
+}
+
+const vf_info_t vf_info_yvu9 = {
+    "fast YVU9->YV12 conversion",
+    "yvu9",
+    "alex",
+    "",
+    vf_open,
+    NULL
+};
+
+//===========================================================================//