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authorwm4 <wm4@nowhere>2014-03-16 10:46:45 +0100
committerwm4 <wm4@nowhere>2014-03-16 13:19:29 +0100
commit8e6bd496ca68c8a672ffd7d9827bfde12ca83b6b (patch)
tree6d7c602ab9126601fbe287185524037deaf8c044 /video
parent48e32e13fe28530baa89e5bc627148c17693e698 (diff)
downloadmpv-8e6bd496ca68c8a672ffd7d9827bfde12ca83b6b.tar.bz2
mpv-8e6bd496ca68c8a672ffd7d9827bfde12ca83b6b.tar.xz
vf_delogo: remove internal implementation
See previous commit.
Diffstat (limited to 'video')
-rw-r--r--video/filter/vf_delogo.c251
1 files changed, 2 insertions, 249 deletions
diff --git a/video/filter/vf_delogo.c b/video/filter/vf_delogo.c
index e5840800cc..e7da8d1aa5 100644
--- a/video/filter/vf_delogo.c
+++ b/video/filter/vf_delogo.c
@@ -18,259 +18,23 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-/* A very simple tv station logo remover */
-
-#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-#include <limits.h>
-#include <errno.h>
-#include <math.h>
#include "common/msg.h"
-#include "common/cpudetect.h"
-#include "video/img_format.h"
-#include "video/mp_image.h"
#include "vf.h"
#include "vf_lavfi.h"
-#include "video/memcpy_pic.h"
#include "options/m_option.h"
-//===========================================================================//
-
static struct vf_priv_s {
int xoff, yoff, lw, lh, band, show;
- char *file;
- struct timed_rectangle {
- int ts, x, y, w, h, b;
- } *timed_rect;
- int n_timed_rect;
- int cur_timed_rect;
struct vf_lw_opts *lw_opts;
} const vf_priv_dflt = {
.band = 1,
};
-#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_instance *vf)
-{
- struct vf_priv_s *p = vf->priv;
- 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_VERBOSE(vf, "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_instance *vf, double pts)
-{
- struct vf_priv_s *p = vf->priv;
- 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(vf);
-}
-
-static void do_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 y, x;
- int interp, dist;
- uint8_t *xdst, *xsrc;
-
- uint8_t *topleft, *botleft, *topright;
- int xclipl, xclipr, yclipt, yclipb;
- int logo_x1, logo_x2, logo_y1, logo_y2;
-
- xclipl = MAX(-logo_x, 0);
- xclipr = MAX(logo_x+logo_w-width, 0);
- yclipt = MAX(-logo_y, 0);
- yclipb = MAX(logo_y+logo_h-height, 0);
-
- logo_x1 = logo_x + xclipl;
- logo_x2 = logo_x + logo_w - xclipr;
- logo_y1 = logo_y + yclipt;
- logo_y2 = logo_y + logo_h - yclipb;
-
- topleft = src+logo_y1*srcStride+logo_x1;
- topright = src+logo_y1*srcStride+logo_x2-1;
- botleft = src+(logo_y2-1)*srcStride+logo_x1;
-
- dst += (logo_y1+1)*dstStride;
- src += (logo_y1+1)*srcStride;
-
- 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;
- }
-}
-
-static struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi)
-{
- struct mp_image *dmpi = mpi;
- if (!mp_image_is_writeable(mpi)) {
- dmpi = vf_alloc_out_image(vf);
- mp_image_copy_attributes(dmpi, mpi);
- mp_image_copy(dmpi, mpi);
- }
-
- if (vf->priv->timed_rect)
- update_sub(vf, dmpi->pts);
- do_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);
- do_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);
- do_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);
-
- if (dmpi != mpi)
- talloc_free(mpi);
- return dmpi;
-}
-
-//===========================================================================//
-
-static int query_format(struct vf_instance *vf, unsigned int fmt){
- switch(fmt)
- {
- case IMGFMT_420P:
- return vf_next_query_format(vf,IMGFMT_420P);
- }
- return 0;
-}
-
-static int load_timed_rectangles(struct vf_instance *vf)
-{
- struct vf_priv_s *delogo = vf->priv;
- 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_ERR(vf, "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_WARN(vf, "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_WARN(vf, "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_WARN(vf, "delogo: %s:%d: wrong time\n",
- delogo->file, lineno);
- nr->ts = 1000 * ts + 0.5;
- n_rect++;
- } else {
- MP_WARN(vf, "delogo: %s:%d: syntax error\n",
- delogo->file, lineno);
- }
- }
- fclose(f);
- if (!n_rect) {
- MP_ERR(vf, "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){
struct vf_priv_s *p = vf->priv;
- vf->filter=filter;
- vf->query_format=query_format;
int band = p->band;
int show = p->show;
@@ -281,21 +45,11 @@ static int vf_open(vf_instance_t *vf){
if (vf_lw_set_graph(vf, p->lw_opts, "delogo", "%d:%d:%d:%d:%d:%d",
p->xoff, p->yoff, p->lw, p->lh, band, show) >= 0)
{
- if (p->file && p->file[0])
- MP_WARN(vf, "delogo: file argument ignored\n");
return 1;
}
- if (vf->priv->file) {
- if (load_timed_rectangles(vf))
- return 0;
- MP_VERBOSE(vf, "delogo: %d from %s\n",
- vf->priv->n_timed_rect, vf->priv->file);
- vf->priv->cur_timed_rect = -1;
- }
- fix_band(vf);
-
- return 1;
+ MP_FATAL(vf, "Requires libavfilter.\n");
+ return 0;
}
#define OPT_BASE_STRUCT struct vf_priv_s
@@ -306,7 +60,6 @@ static const m_option_t vf_opts_fields[] = {
OPT_INT("h", lh, 0),
OPT_INT("t", band, 0),
OPT_INT("band", band, 0), // alias
- OPT_STRING("file", file, 0),
OPT_FLAG("show", show, 0),
OPT_SUBSTRUCT("", lw_opts, vf_lw_conf, 0),
{0}