From d33c27aa643e7f08f8053df0e3d3c5d4d3d0ed1d Mon Sep 17 00:00:00 2001 From: henry Date: Sun, 11 Sep 2005 10:52:24 +0000 Subject: DR and slice support git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16451 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpcodecs/vf_screenshot.c | 120 ++++++++++++++++++++++++++++++++++++-------- 1 file changed, 99 insertions(+), 21 deletions(-) (limited to 'libmpcodecs') diff --git a/libmpcodecs/vf_screenshot.c b/libmpcodecs/vf_screenshot.c index 7aa13a0486..3b051e3c51 100644 --- a/libmpcodecs/vf_screenshot.c +++ b/libmpcodecs/vf_screenshot.c @@ -25,8 +25,9 @@ struct vf_priv_s { int frameno; - int shot; - int dw, dh; + char fname[102]; + int shot, store_slices; + int dw, dh, stride; uint8_t *buffer; struct SwsContext *ctx; mp_image_t *dmpi; @@ -49,6 +50,7 @@ static int config(struct vf_instance_s* vf, vf->priv->dw = d_width; vf->priv->dh = d_height; + vf->priv->stride = (3*vf->priv->dw+15)&~15; if (vf->priv->buffer) free(vf->priv->buffer); // probably reconfigured vf->priv->dmpi = NULL; @@ -92,7 +94,7 @@ static int write_png(char *fname, unsigned char *buffer, int width, int height, png_set_bgr(png_ptr); row_pointers = (png_byte**)malloc(height*sizeof(png_byte*)); - for ( k = 0; k shot=0; - do { - snprintf (fname, 100, "shot%04d.png", ++priv->frameno); - } while (fexists(fname) && priv->frameno < 100000); - if (fexists(fname)) return; + snprintf (priv->fname, 100, "shot%04d.png", ++priv->frameno); + } while (fexists(priv->fname) && priv->frameno < 100000); + if (fexists(priv->fname)) return; - mp_msg(MSGT_VFILTER,MSGL_INFO,"*** screenshot '%s' ***\n",fname); + mp_msg(MSGT_VFILTER,MSGL_INFO,"*** screenshot '%s' ***\n",priv->fname); + +} - dst_stride[0] = (3*priv->dw+15)&~15; +static void scale_image(struct vf_priv_s* priv) +{ + uint8_t *dst[3]; + int dst_stride[3]; + + dst_stride[0] = priv->stride; dst_stride[1] = dst_stride[2] = 0; if (!priv->buffer) priv->buffer = (uint8_t*)memalign(16, dst_stride[0]*priv->dh); @@ -136,16 +139,84 @@ static void shot(struct vf_priv_s* priv) dst[0] = priv->buffer; dst[1] = dst[2] = 0; sws_scale_ordered(priv->ctx, priv->dmpi->planes, priv->dmpi->stride, 0, priv->dmpi->height, dst, dst_stride); +} + +static void start_slice(struct vf_instance_s* vf, mp_image_t *mpi){ + if(!vf->next->draw_slice) { + mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK; + return; + } + if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)) return; // shouldn't happen + 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; + vf->priv->shot = 0; + if (!vf->priv->buffer) + vf->priv->buffer = (uint8_t*)memalign(16, vf->priv->stride*vf->priv->dh); + } + +} - write_png(fname, priv->buffer, priv->dw, priv->dh, dst_stride[0]); +static void draw_slice(struct vf_instance_s* vf, + unsigned char** src, int* stride, int w,int h, int x, int y){ + mp_image_t *dmpi=vf->dmpi; + if(!dmpi){ + mp_msg(MSGT_VFILTER,MSGL_FATAL,"vf_screenshot: draw_slice() called with dmpi=NULL (no get_image??)\n"); + return; + } + if (vf->priv->store_slices) { + uint8_t *dst[3]; + int dst_stride[3]; + dst_stride[0] = vf->priv->stride; + dst_stride[1] = dst_stride[2] = 0; + dst[0] = vf->priv->buffer; + dst[1] = dst[2] = 0; + sws_scale_ordered(vf->priv->ctx, src, stride, y, h, dst, dst_stride); + } + vf_next_draw_slice(vf,src,stride,w,h,x,y); +} + +static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){ + vf->dmpi= vf_get_image(vf->next, mpi->imgfmt, + mpi->type, mpi->flags, mpi->width, mpi->height); + + mpi->planes[0]=vf->dmpi->planes[0]; + mpi->stride[0]=vf->dmpi->stride[0]; + if(mpi->flags&MP_IMGFLAG_PLANAR){ + mpi->planes[1]=vf->dmpi->planes[1]; + mpi->planes[2]=vf->dmpi->planes[2]; + mpi->stride[1]=vf->dmpi->stride[1]; + mpi->stride[2]=vf->dmpi->stride[2]; + } + mpi->width=vf->dmpi->width; + + mpi->flags|=MP_IMGFLAG_DIRECT; + mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK; + + mpi->priv=(void*)vf->dmpi; } static int put_image(struct vf_instance_s* vf, mp_image_t *mpi) { - vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt, - MP_IMGTYPE_EXPORT, 0, - mpi->w, mpi->h); - + if (mpi->flags&MP_IMGFLAG_DRAW_CALLBACK) { + if(vf->priv->store_slices) { + vf->priv->store_slices = 0; + gen_fname(vf->priv); + write_png(vf->priv->fname, vf->priv->buffer, vf->priv->dw, vf->priv->dh, vf->priv->stride); + } + return vf_next_put_image(vf,vf->dmpi); + } + + if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ + vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt, + MP_IMGTYPE_EXPORT, 0, + mpi->width, mpi->height); + vf_clone_mpi_attributes(vf->priv->dmpi, mpi); + } else { + vf->priv->dmpi=vf->dmpi; + } + vf->priv->dmpi->planes[0]=mpi->planes[0]; vf->priv->dmpi->planes[1]=mpi->planes[1]; vf->priv->dmpi->planes[2]=mpi->planes[2]; @@ -156,7 +227,10 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi) vf->priv->dmpi->height=mpi->height; if(vf->priv->shot) { - shot(vf->priv); + vf->priv->shot=0; + gen_fname(vf->priv); + scale_image(vf->priv); + write_png(vf->priv->fname, vf->priv->buffer, vf->priv->dw, vf->priv->dh, vf->priv->stride); } return vf_next_put_image(vf, vf->priv->dmpi); @@ -206,9 +280,13 @@ static int open(vf_instance_t *vf, char* args) 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->priv=malloc(sizeof(struct vf_priv_s)); vf->priv->frameno=0; vf->priv->shot=0; + vf->priv->store_slices=0; vf->priv->buffer=0; vf->priv->ctx=0; return 1; -- cgit v1.2.3