summaryrefslogtreecommitdiffstats
path: root/libmpcodecs/vf_delogo.c
diff options
context:
space:
mode:
Diffstat (limited to 'libmpcodecs/vf_delogo.c')
-rw-r--r--libmpcodecs/vf_delogo.c251
1 files changed, 182 insertions, 69 deletions
diff --git a/libmpcodecs/vf_delogo.c b/libmpcodecs/vf_delogo.c
index 342c88ee59..8fcc869c91 100644
--- a/libmpcodecs/vf_delogo.c
+++ b/libmpcodecs/vf_delogo.c
@@ -24,6 +24,8 @@
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
+#include <limits.h>
+#include <errno.h>
#include <math.h>
#include "mp_msg.h"
@@ -41,16 +43,65 @@
static struct vf_priv_s {
unsigned int outfmt;
int xoff, yoff, lw, lh, band, show;
+ const char *file;
+ struct timed_rectangle {
+ int ts, x, y, w, h, b;
+ } *timed_rect;
+ int n_timed_rect;
+ int cur_timed_rect;
} const vf_priv_dflt = {
0,
- 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0,
+ NULL, NULL, 0, 0,
};
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
+/**
+ * Adjust the coordinates to suit the band width
+ * Also print a notice in verbose mode
+ */
+static void fix_band(struct vf_priv_s *p)
+{
+ p->show = 0;
+ if (p->band < 0) {
+ p->band = 4;
+ p->show = 1;
+ }
+ p->lw += p->band*2;
+ p->lh += p->band*2;
+ p->xoff -= p->band;
+ p->yoff -= p->band;
+ mp_msg(MSGT_VFILTER, MSGL_V, "delogo: %d x %d, %d x %d, band = %d\n",
+ p->xoff, p->yoff, p->lw, p->lh, p->band);
+}
+
+static void update_sub(struct vf_priv_s *p, double pts)
+{
+ int ipts = pts * 1000;
+ int tr = p->cur_timed_rect;
+ while (tr < p->n_timed_rect - 1 && ipts >= p->timed_rect[tr + 1].ts)
+ tr++;
+ while (tr >= 0 && ipts < p->timed_rect[tr].ts)
+ tr--;
+ if (tr == p->cur_timed_rect)
+ return;
+ p->cur_timed_rect = tr;
+ if (tr >= 0) {
+ p->xoff = p->timed_rect[tr].x;
+ p->yoff = p->timed_rect[tr].y;
+ p->lw = p->timed_rect[tr].w;
+ p->lh = p->timed_rect[tr].h;
+ p->band = p->timed_rect[tr].b;
+ } else {
+ p->xoff = p->yoff = p->lw = p->lh = p->band = 0;
+ }
+ fix_band(p);
+}
+
static void delogo(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int width, int height,
- int logo_x, int logo_y, int logo_w, int logo_h, int band, int show, int direct) {
+ int logo_x, int logo_y, int logo_w, int logo_h, int band, int show, int direct) {
int y, x;
int interp, dist;
uint8_t *xdst, *xsrc;
@@ -80,46 +131,46 @@ static void delogo(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int
for(y = logo_y1+1; y < logo_y2-1; y++)
{
- for (x = logo_x1+1, xdst = dst+logo_x1+1, xsrc = src+logo_x1+1; x < logo_x2-1; x++, xdst++, xsrc++) {
- interp = ((topleft[srcStride*(y-logo_y-yclipt)]
- + topleft[srcStride*(y-logo_y-1-yclipt)]
- + topleft[srcStride*(y-logo_y+1-yclipt)])*(logo_w-(x-logo_x))/logo_w
- + (topright[srcStride*(y-logo_y-yclipt)]
- + topright[srcStride*(y-logo_y-1-yclipt)]
- + topright[srcStride*(y-logo_y+1-yclipt)])*(x-logo_x)/logo_w
- + (topleft[x-logo_x-xclipl]
- + topleft[x-logo_x-1-xclipl]
- + topleft[x-logo_x+1-xclipl])*(logo_h-(y-logo_y))/logo_h
- + (botleft[x-logo_x-xclipl]
- + botleft[x-logo_x-1-xclipl]
- + botleft[x-logo_x+1-xclipl])*(y-logo_y)/logo_h
- )/6;
-/* interp = (topleft[srcStride*(y-logo_y)]*(logo_w-(x-logo_x))/logo_w
- + topright[srcStride*(y-logo_y)]*(x-logo_x)/logo_w
- + topleft[x-logo_x]*(logo_h-(y-logo_y))/logo_h
- + botleft[x-logo_x]*(y-logo_y)/logo_h
- )/2;*/
- if (y >= logo_y+band && y < logo_y+logo_h-band && x >= logo_x+band && x < logo_x+logo_w-band) {
- *xdst = interp;
- } else {
- dist = 0;
- if (x < logo_x+band) dist = MAX(dist, logo_x-x+band);
- else if (x >= logo_x+logo_w-band) dist = MAX(dist, x-(logo_x+logo_w-1-band));
- if (y < logo_y+band) dist = MAX(dist, logo_y-y+band);
- else if (y >= logo_y+logo_h-band) dist = MAX(dist, y-(logo_y+logo_h-1-band));
- *xdst = (*xsrc*dist + interp*(band-dist))/band;
- if (show && (dist == band-1)) *xdst = 0;
- }
- }
-
- dst+= dstStride;
- src+= srcStride;
+ for (x = logo_x1+1, xdst = dst+logo_x1+1, xsrc = src+logo_x1+1; x < logo_x2-1; x++, xdst++, xsrc++) {
+ interp = ((topleft[srcStride*(y-logo_y-yclipt)]
+ + topleft[srcStride*(y-logo_y-1-yclipt)]
+ + topleft[srcStride*(y-logo_y+1-yclipt)])*(logo_w-(x-logo_x))/logo_w
+ + (topright[srcStride*(y-logo_y-yclipt)]
+ + topright[srcStride*(y-logo_y-1-yclipt)]
+ + topright[srcStride*(y-logo_y+1-yclipt)])*(x-logo_x)/logo_w
+ + (topleft[x-logo_x-xclipl]
+ + topleft[x-logo_x-1-xclipl]
+ + topleft[x-logo_x+1-xclipl])*(logo_h-(y-logo_y))/logo_h
+ + (botleft[x-logo_x-xclipl]
+ + botleft[x-logo_x-1-xclipl]
+ + botleft[x-logo_x+1-xclipl])*(y-logo_y)/logo_h
+ )/6;
+/* interp = (topleft[srcStride*(y-logo_y)]*(logo_w-(x-logo_x))/logo_w
+ + topright[srcStride*(y-logo_y)]*(x-logo_x)/logo_w
+ + topleft[x-logo_x]*(logo_h-(y-logo_y))/logo_h
+ + botleft[x-logo_x]*(y-logo_y)/logo_h
+ )/2;*/
+ if (y >= logo_y+band && y < logo_y+logo_h-band && x >= logo_x+band && x < logo_x+logo_w-band) {
+ *xdst = interp;
+ } else {
+ dist = 0;
+ if (x < logo_x+band) dist = MAX(dist, logo_x-x+band);
+ else if (x >= logo_x+logo_w-band) dist = MAX(dist, x-(logo_x+logo_w-1-band));
+ if (y < logo_y+band) dist = MAX(dist, logo_y-y+band);
+ else if (y >= logo_y+logo_h-band) dist = MAX(dist, y-(logo_y+logo_h-1-band));
+ *xdst = (*xsrc*dist + interp*(band-dist))/band;
+ if (show && (dist == band-1)) *xdst = 0;
+ }
+ }
+
+ dst+= dstStride;
+ src+= srcStride;
}
}
static int config(struct vf_instance *vf,
- int width, int height, int d_width, int d_height,
- unsigned int flags, unsigned int outfmt){
+ 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);
}
@@ -130,15 +181,15 @@ static void get_image(struct vf_instance *vf, mp_image_t *mpi){
if(mpi->imgfmt!=vf->priv->outfmt) return; // colorspace differ
// ok, we can do pp in-place (or pp disabled):
vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
- mpi->type, mpi->flags, mpi->w, mpi->h);
+ mpi->type, mpi->flags, mpi->w, mpi->h);
mpi->planes[0]=vf->dmpi->planes[0];
mpi->stride[0]=vf->dmpi->stride[0];
mpi->width=vf->dmpi->width;
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->stride[1]=vf->dmpi->stride[1];
+ mpi->stride[2]=vf->dmpi->stride[2];
}
mpi->flags|=MP_IMGFLAG_DIRECT;
}
@@ -147,22 +198,24 @@ static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
mp_image_t *dmpi;
if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
- // no DR, so get a new image! hope we'll get DR buffer:
- vf->dmpi=vf_get_image(vf->next,vf->priv->outfmt,
- MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
- mpi->w,mpi->h);
+ // no DR, so get a new image! hope we'll get DR buffer:
+ vf->dmpi=vf_get_image(vf->next,vf->priv->outfmt,
+ MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
+ mpi->w,mpi->h);
}
dmpi= vf->dmpi;
+ if (vf->priv->timed_rect)
+ update_sub(vf->priv, pts);
delogo(dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w, mpi->h,
- vf->priv->xoff, vf->priv->yoff, vf->priv->lw, vf->priv->lh, vf->priv->band, vf->priv->show,
- mpi->flags&MP_IMGFLAG_DIRECT);
+ vf->priv->xoff, vf->priv->yoff, vf->priv->lw, vf->priv->lh, vf->priv->band, vf->priv->show,
+ mpi->flags&MP_IMGFLAG_DIRECT);
delogo(dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], mpi->w/2, mpi->h/2,
- vf->priv->xoff/2, vf->priv->yoff/2, vf->priv->lw/2, vf->priv->lh/2, vf->priv->band/2, vf->priv->show,
- mpi->flags&MP_IMGFLAG_DIRECT);
+ vf->priv->xoff/2, vf->priv->yoff/2, vf->priv->lw/2, vf->priv->lh/2, vf->priv->band/2, vf->priv->show,
+ mpi->flags&MP_IMGFLAG_DIRECT);
delogo(dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], mpi->w/2, mpi->h/2,
- vf->priv->xoff/2, vf->priv->yoff/2, vf->priv->lw/2, vf->priv->lh/2, vf->priv->band/2, vf->priv->show,
- mpi->flags&MP_IMGFLAG_DIRECT);
+ vf->priv->xoff/2, vf->priv->yoff/2, vf->priv->lw/2, vf->priv->lh/2, vf->priv->band/2, vf->priv->show,
+ mpi->flags&MP_IMGFLAG_DIRECT);
vf_clone_mpi_attributes(dmpi, mpi);
@@ -184,7 +237,7 @@ static int query_format(struct vf_instance *vf, unsigned int fmt){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
- return vf_next_query_format(vf,vf->priv->outfmt);
+ return vf_next_query_format(vf,vf->priv->outfmt);
}
return 0;
}
@@ -196,6 +249,74 @@ static const unsigned int fmt_list[]={
0
};
+static int load_timed_rectangles(struct vf_priv_s *delogo)
+{
+ FILE *f;
+ char line[2048];
+ int lineno = 0, p;
+ double ts, last_ts = 0;
+ struct timed_rectangle *rect = NULL, *nr;
+ int n_rect = 0, alloc_rect = 0;
+
+ f = fopen(delogo->file, "r");
+ if (!f) {
+ mp_msg(MSGT_VFILTER, MSGL_ERR, "delogo: unable to load %s: %s\n",
+ delogo->file, strerror(errno));
+ return -1;
+ }
+ while (fgets(line, sizeof(line), f)) {
+ lineno++;
+ if (*line == '#' || *line == '\n')
+ continue;
+ if (n_rect == alloc_rect) {
+ if (alloc_rect > INT_MAX / 2 / (int)sizeof(*rect)) {
+ mp_msg(MSGT_VFILTER, MSGL_WARN,
+ "delogo: too many rectangles\n");
+ goto load_error;
+ }
+ alloc_rect = alloc_rect ? 2 * alloc_rect : 256;
+ nr = realloc(rect, alloc_rect * sizeof(*rect));
+ if (!nr) {
+ mp_msg(MSGT_VFILTER, MSGL_WARN, "delogo: out of memory\n");
+ goto load_error;
+ }
+ rect = nr;
+ }
+ nr = rect + n_rect;
+ memset(nr, 0, sizeof(*nr));
+ p = sscanf(line, "%lf %d:%d:%d:%d:%d",
+ &ts, &nr->x, &nr->y, &nr->w, &nr->h, &nr->b);
+ if ((p == 2 && !nr->x) || p == 5 || p == 6) {
+ if (ts <= last_ts)
+ mp_msg(MSGT_VFILTER, MSGL_WARN, "delogo: %s:%d: wrong time\n",
+ delogo->file, lineno);
+ nr->ts = 1000 * ts + 0.5;
+ n_rect++;
+ } else {
+ mp_msg(MSGT_VFILTER, MSGL_WARN, "delogo: %s:%d: syntax error\n",
+ delogo->file, lineno);
+ }
+ }
+ fclose(f);
+ if (!n_rect) {
+ mp_msg(MSGT_VFILTER, MSGL_ERR, "delogo: %s: no rectangles found\n",
+ delogo->file);
+ free(rect);
+ return -1;
+ }
+ nr = realloc(rect, n_rect * sizeof(*rect));
+ if (nr)
+ rect = nr;
+ delogo->timed_rect = rect;
+ delogo->n_timed_rect = n_rect;
+ return 0;
+
+load_error:
+ free(rect);
+ fclose(f);
+ return -1;
+}
+
static int vf_open(vf_instance_t *vf, char *args){
vf->config=config;
vf->put_image=put_image;
@@ -203,29 +324,20 @@ static int vf_open(vf_instance_t *vf, char *args){
vf->query_format=query_format;
vf->uninit=uninit;
- mp_msg(MSGT_VFILTER, MSGL_V, "delogo: %d x %d, %d x %d, band = %d\n",
- vf->priv->xoff, vf->priv->yoff,
- vf->priv->lw, vf->priv->lh,
- vf->priv->band);
-
- vf->priv->show = 0;
-
- if (vf->priv->band < 0) {
- vf->priv->band = 4;
- vf->priv->show = 1;
+ if (vf->priv->file) {
+ if (load_timed_rectangles(vf->priv))
+ return 0;
+ mp_msg(MSGT_VFILTER, MSGL_V, "delogo: %d from %s\n",
+ vf->priv->n_timed_rect, vf->priv->file);
+ vf->priv->cur_timed_rect = -1;
}
-
-
- vf->priv->lw += vf->priv->band*2;
- vf->priv->lh += vf->priv->band*2;
- vf->priv->xoff -= vf->priv->band;
- vf->priv->yoff -= vf->priv->band;
+ fix_band(vf->priv);
// check csp:
vf->priv->outfmt=vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12);
if(!vf->priv->outfmt)
{
- uninit(vf);
+ uninit(vf);
return 0; // no csp match :(
}
@@ -240,6 +352,7 @@ static const m_option_t vf_opts_fields[] = {
{ "h", ST_OFF(lh), CONF_TYPE_INT, 0, 0, 0, NULL },
{ "t", ST_OFF(band), CONF_TYPE_INT, 0, 0, 0, NULL },
{ "band", ST_OFF(band), CONF_TYPE_INT, 0, 0, 0, NULL }, // alias
+ { "file", ST_OFF(file), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ NULL, NULL, 0, 0, 0, 0, NULL }
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 01:08:34 +0000