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-rw-r--r--video/filter/vf_swapuv.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/video/filter/vf_swapuv.c b/video/filter/vf_swapuv.c
new file mode 100644
index 0000000000..6edb256759
--- /dev/null
+++ b/video/filter/vf_swapuv.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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 <assert.h>
+
+#include "mp_msg.h"
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+
+
+//===========================================================================//
+
+static void get_image(struct vf_instance *vf, mp_image_t *mpi){
+ mp_image_t *dmpi= vf_get_image(vf->next, mpi->imgfmt,
+ mpi->type, mpi->flags, mpi->w, mpi->h);
+
+ mpi->planes[0]=dmpi->planes[0];
+ mpi->planes[1]=dmpi->planes[2];
+ mpi->planes[2]=dmpi->planes[1];
+ mpi->stride[0]=dmpi->stride[0];
+ mpi->stride[1]=dmpi->stride[2];
+ mpi->stride[2]=dmpi->stride[1];
+ mpi->width=dmpi->width;
+
+ mpi->flags|=MP_IMGFLAG_DIRECT;
+ mpi->priv=(void*)dmpi;
+}
+
+static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
+ mp_image_t *dmpi;
+
+ if(mpi->flags&MP_IMGFLAG_DIRECT){
+ dmpi=(mp_image_t*)mpi->priv;
+ } else {
+ dmpi=vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
+ assert(mpi->flags&MP_IMGFLAG_PLANAR);
+ dmpi->planes[0]=mpi->planes[0];
+ dmpi->planes[1]=mpi->planes[2];
+ dmpi->planes[2]=mpi->planes[1];
+ dmpi->stride[0]=mpi->stride[0];
+ dmpi->stride[1]=mpi->stride[2];
+ dmpi->stride[2]=mpi->stride[1];
+ dmpi->width=mpi->width;
+ }
+
+ 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){
+ switch(fmt)
+ {
+ case IMGFMT_YV12:
+ case IMGFMT_I420:
+ case IMGFMT_IYUV:
+ case IMGFMT_YVU9:
+ case IMGFMT_444P:
+ case IMGFMT_422P:
+ case IMGFMT_411P:
+ return vf_next_query_format(vf, fmt);
+ }
+ return 0;
+}
+
+static int vf_open(vf_instance_t *vf, char *args){
+ vf->put_image=put_image;
+ vf->get_image=get_image;
+ vf->query_format=query_format;
+ return 1;
+}
+
+const vf_info_t vf_info_swapuv = {
+ "UV swapper",
+ "swapuv",
+ "Michael Niedermayer",
+ "",
+ vf_open,
+ NULL
+};
+
+//===========================================================================//