1 files changed, 85 insertions, 0 deletions
diff --git a/libmpcodecs/vf_softskip.c b/libmpcodecs/vf_softskip.c
new file mode 100644
index 0000000000..1ef864f73f
--- /dev/null
+++ b/libmpcodecs/vf_softskip.c
@@ -0,0 +1,85 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../config.h"
+#include "../mp_msg.h"
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+
+#include "../libvo/fastmemcpy.h"
+
+struct vf_priv_s {
+	int skipflag;
+};
+
+static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
+{
+	mp_image_t *dmpi;
+	
+	if (vf->priv->skipflag)
+		return vf->priv->skipflag = 0;
+
+	dmpi = vf_get_image(vf->next, mpi->imgfmt,
+		MP_IMGTYPE_EXPORT, 0, mpi->width, mpi->height);
+
+	dmpi->planes[0] = mpi->planes[0];
+	dmpi->stride[0] = mpi->stride[0];
+	if (dmpi->flags&MP_IMGFLAG_PLANAR) {
+		dmpi->planes[1] = mpi->planes[1];
+		dmpi->stride[1] = mpi->stride[1];
+		dmpi->planes[2] = mpi->planes[2];
+		dmpi->stride[2] = mpi->stride[2];
+	}
+	
+	return vf_next_put_image(vf, dmpi);
+}
+
+static int control(struct vf_instance_s* vf, int request, void* data)
+{
+	switch (request) {
+	case VFCTRL_SKIP_NEXT_FRAME:
+		vf->priv->skipflag = 1;
+		return CONTROL_TRUE;
+	}
+	return vf_next_control(vf, request, data);
+}
+
+static int query_format(struct vf_instance_s* vf, unsigned int fmt)
+{
+	/* FIXME - figure out which other formats work */
+	switch (fmt) {
+	case IMGFMT_YV12:
+	case IMGFMT_IYUV:
+	case IMGFMT_I420:
+		return vf_next_query_format(vf, fmt);
+	}
+	return 0;
+}
+
+static void uninit(struct vf_instance_s* vf)
+{
+	free(vf->priv);
+}
+
+static int open(vf_instance_t *vf, char* args)
+{
+	vf->put_image = put_image;
+	vf->control = control;
+	vf->uninit = uninit;
+	vf->priv = calloc(1, sizeof(struct vf_priv_s));
+	return 1;
+}
+
+vf_info_t vf_info_softskip = {
+    "soft (post-filter) frame skipping for encoding",
+    "softskip",
+    "Rich Felker",
+    "",
+    open,
+    NULL
+};
+
+