1 files changed, 120 insertions, 0 deletions
diff --git a/libavfilter/libmpcodecs/vf_yuvcsp.c b/libavfilter/libmpcodecs/vf_yuvcsp.c
new file mode 100644
index 0000000000..102ce14538
--- /dev/null
+++ b/libavfilter/libmpcodecs/vf_yuvcsp.c
@@ -0,0 +1,120 @@
+/*
+ * 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 "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+
+struct vf_priv_s {
+    int csp;
+};
+
+//===========================================================================//
+
+static int config(struct vf_instance *vf,
+        int width, int height, int d_width, int d_height,
+        unsigned int flags, unsigned int outfmt){
+    return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
+}
+
+static inline int clamp_y(int x){
+    return (x > 235) ? 235 : (x < 16) ? 16 : x;
+}
+
+static inline int clamp_c(int x){
+    return (x > 240) ? 240 : (x < 16) ? 16 : x;
+}
+
+static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
+    int i,j;
+    uint8_t *y_in, *cb_in, *cr_in;
+    uint8_t *y_out, *cb_out, *cr_out;
+
+    vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
+        MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
+        mpi->width, mpi->height);
+
+    y_in = mpi->planes[0];
+    cb_in = mpi->planes[1];
+    cr_in = mpi->planes[2];
+
+    y_out = vf->dmpi->planes[0];
+    cb_out = vf->dmpi->planes[1];
+    cr_out = vf->dmpi->planes[2];
+
+    for (i = 0; i < mpi->height; i++)
+        for (j = 0; j < mpi->width; j++)
+            y_out[i*vf->dmpi->stride[0]+j] = clamp_y(y_in[i*mpi->stride[0]+j]);
+
+    for (i = 0; i < mpi->chroma_height; i++)
+        for (j = 0; j < mpi->chroma_width; j++)
+        {
+            cb_out[i*vf->dmpi->stride[1]+j] = clamp_c(cb_in[i*mpi->stride[1]+j]);
+            cr_out[i*vf->dmpi->stride[2]+j] = clamp_c(cr_in[i*mpi->stride[2]+j]);
+        }
+
+    return vf_next_put_image(vf,vf->dmpi, pts);
+}
+
+//===========================================================================//
+
+/*
+static void uninit(struct vf_instance *vf){
+        free(vf->priv);
+}
+*/
+
+static int query_format(struct vf_instance *vf, unsigned int fmt){
+    switch(fmt){
+        case IMGFMT_YV12:
+        case IMGFMT_I420:
+        case IMGFMT_IYUV:
+            return 1;
+    }
+    return 0;
+}
+
+static int vf_open(vf_instance_t *vf, char *args){
+    vf->config=config;
+    vf->put_image=put_image;
+//    vf->uninit=uninit;
+    vf->query_format=query_format;
+//    vf->priv=calloc(1, sizeof(struct vf_priv_s));
+//    if (args)
+//        vf->priv->csp = atoi(args);
+    return 1;
+}
+
+const vf_info_t vf_info_yuvcsp = {
+    "yuv colorspace converter",
+    "yuvcsp",
+    "Alex Beregszaszi",
+    "",
+    vf_open,
+    NULL
+};
+
+//===========================================================================//