diff options
Diffstat (limited to 'video/filter/vf_screenshot.c')
-rw-r--r-- | video/filter/vf_screenshot.c | 219 |
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 +}; + +//===========================================================================// |