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-rw-r--r--video/filter/vf_screenshot.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/video/filter/vf_screenshot.c b/video/filter/vf_screenshot.c
new file mode 100644
index 0000000000..693d871e5f
--- /dev/null
+++ b/video/filter/vf_screenshot.c
@@ -0,0 +1,219 @@
+/*
+ * 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 "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "mp_msg.h"
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+#include "libmpcodecs/sws_utils.h"
+#include "fmt-conversion.h"
+#include "libvo/fastmemcpy.h"
+
+#include <libswscale/swscale.h>
+
+struct vf_priv_s {
+ mp_image_t *image;
+ void (*image_callback)(void *, mp_image_t *);
+ void *image_callback_ctx;
+ int shot, store_slices;
+};
+
+//===========================================================================//
+
+static int config(struct vf_instance *vf,
+ int width, int height, int d_width, int d_height,
+ unsigned int flags, unsigned int outfmt)
+{
+ free_mp_image(vf->priv->image);
+ vf->priv->image = new_mp_image(width, height);
+ mp_image_setfmt(vf->priv->image, outfmt);
+ vf->priv->image->w = d_width;
+ vf->priv->image->h = d_height;
+ return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
+}
+
+static void start_slice(struct vf_instance *vf, mp_image_t *mpi)
+{
+ mpi->priv=
+ vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
+ mpi->type, mpi->flags, mpi->width, mpi->height);
+ if (vf->priv->shot) {
+ vf->priv->store_slices = 1;
+ if (!(vf->priv->image->flags & MP_IMGFLAG_ALLOCATED))
+ mp_image_alloc_planes(vf->priv->image);
+ }
+
+}
+
+static void memcpy_pic_slice(unsigned char *dst, unsigned char *src,
+ int bytesPerLine, int y, int h,
+ int dstStride, int srcStride)
+{
+ memcpy_pic(dst + h * dstStride, src + h * srcStride, bytesPerLine,
+ h, dstStride, srcStride);
+}
+
+static void draw_slice(struct vf_instance *vf, unsigned char** src,
+ int* stride, int w,int h, int x, int y)
+{
+ if (vf->priv->store_slices) {
+ mp_image_t *dst = vf->priv->image;
+ int bp = (dst->bpp + 7) / 8;
+
+ if (dst->flags & MP_IMGFLAG_PLANAR) {
+ int bytes_per_line[3] = { w * bp, dst->chroma_width, dst->chroma_width };
+ for (int n = 0; n < 3; n++) {
+ memcpy_pic_slice(dst->planes[n], src[n], bytes_per_line[n],
+ y, h, dst->stride[n], stride[n]);
+ }
+ } else {
+ memcpy_pic_slice(dst->planes[0], src[0], dst->w*bp, y, dst->h,
+ dst->stride[0], stride[0]);
+ }
+ }
+ vf_next_draw_slice(vf,src,stride,w,h,x,y);
+}
+
+static void get_image(struct vf_instance *vf, mp_image_t *mpi)
+{
+ // FIXME: should vf.c really call get_image when using slices??
+ if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
+ return;
+ vf->dmpi= vf_get_image(vf->next, mpi->imgfmt,
+ mpi->type, mpi->flags/* | MP_IMGFLAG_READABLE*/, mpi->width, mpi->height);
+
+ for (int i = 0; i < MP_MAX_PLANES; i++) {
+ mpi->planes[i]=vf->dmpi->planes[i];
+ mpi->stride[i]=vf->dmpi->stride[i];
+ }
+ mpi->width=vf->dmpi->width;
+
+ mpi->flags|=MP_IMGFLAG_DIRECT;
+
+ mpi->priv=(void*)vf->dmpi;
+}
+
+static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
+{
+ mp_image_t *dmpi = (mp_image_t *)mpi->priv;
+
+ if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
+ dmpi=vf_get_image(vf->next,mpi->imgfmt,
+ MP_IMGTYPE_EXPORT, 0,
+ mpi->width, mpi->height);
+ vf_clone_mpi_attributes(dmpi, mpi);
+ for (int i = 0; i < MP_MAX_PLANES; i++) {
+ dmpi->planes[i]=mpi->planes[i];
+ dmpi->stride[i]=mpi->stride[i];
+ }
+ dmpi->width=mpi->width;
+ dmpi->height=mpi->height;
+ }
+
+ if(vf->priv->shot) {
+ vf->priv->shot=0;
+ mp_image_t image;
+ if (!vf->priv->store_slices)
+ image = *dmpi;
+ else
+ image = *vf->priv->image;
+ image.w = vf->priv->image->w;
+ image.h = vf->priv->image->h;
+ vf_clone_mpi_attributes(&image, mpi);
+ vf->priv->image_callback(vf->priv->image_callback_ctx, &image);
+ vf->priv->store_slices = 0;
+ }
+
+ return vf_next_put_image(vf, dmpi, pts);
+}
+
+static int control (vf_instance_t *vf, int request, void *data)
+{
+ if(request==VFCTRL_SCREENSHOT) {
+ struct vf_ctrl_screenshot *cmd = (struct vf_ctrl_screenshot *)data;
+ vf->priv->image_callback = cmd->image_callback;
+ vf->priv->image_callback_ctx = cmd->image_callback_ctx;
+ vf->priv->shot=1;
+ return CONTROL_TRUE;
+ }
+ return vf_next_control (vf, request, data);
+}
+
+
+//===========================================================================//
+
+static int query_format(struct vf_instance *vf, unsigned int fmt)
+{
+ enum PixelFormat av_format = imgfmt2pixfmt(fmt);
+
+ if (av_format != PIX_FMT_NONE && sws_isSupportedInput(av_format))
+ return vf_next_query_format(vf, fmt);
+ return 0;
+}
+
+static void uninit(vf_instance_t *vf)
+{
+ free_mp_image(vf->priv->image);
+ free(vf->priv);
+}
+
+static int vf_open(vf_instance_t *vf, char *args)
+{
+ vf->config=config;
+ vf->control=control;
+ vf->put_image=put_image;
+ vf->query_format=query_format;
+ vf->start_slice=start_slice;
+ vf->draw_slice=draw_slice;
+ vf->get_image=get_image;
+ vf->uninit=uninit;
+ vf->priv=malloc(sizeof(struct vf_priv_s));
+ vf->priv->shot=0;
+ vf->priv->store_slices=0;
+ vf->priv->image=NULL;
+ return 1;
+}
+
+const vf_info_t vf_info_screenshot = {
+ "screenshot to file",
+ "screenshot",
+ "A'rpi, Jindrich Makovicka",
+ "",
+ vf_open,
+ NULL
+};
+
+// screenshot.c will look for a filter named "screenshot_force", and not use
+// the VO based screenshot code if it's in the filter chain.
+const vf_info_t vf_info_screenshot_force = {
+ "screenshot to file (override VO based screenshot code)",
+ "screenshot_force",
+ "A'rpi, Jindrich Makovicka",
+ "",
+ vf_open,
+ NULL
+};
+
+//===========================================================================//
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 00:36:37 +0000