* Ported from MPlayer libmpcodecs/vf_delogo.c.
*/
+#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
topright = src+logo_y1 * src_linesize+logo_x2-1;
botleft = src+(logo_y2-1) * src_linesize+logo_x1;
- dst += (logo_y1+1)*dst_linesize;
- src += (logo_y1+1)*src_linesize;
-
if (!direct)
av_image_copy_plane(dst, dst_linesize, src, src_linesize, w, h);
+ dst += (logo_y1 + 1) * dst_linesize;
+ src += (logo_y1 + 1) * src_linesize;
+
for (y = logo_y1+1; y < logo_y2-1; y++) {
for (x = logo_x1+1,
xdst = dst+logo_x1+1,
}
}
-typedef struct {
+typedef struct DelogoContext {
const AVClass *class;
int x, y, w, h, band, show;
} DelogoContext;
#define OFFSET(x) offsetof(DelogoContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
static const AVOption delogo_options[]= {
- {"x", "set logo x position", OFFSET(x), FF_OPT_TYPE_INT, {-1}, -1, INT_MAX },
- {"y", "set logo y position", OFFSET(y), FF_OPT_TYPE_INT, {-1}, -1, INT_MAX },
- {"w", "set logo width", OFFSET(w), FF_OPT_TYPE_INT, {-1}, -1, INT_MAX },
- {"h", "set logo height", OFFSET(h), FF_OPT_TYPE_INT, {-1}, -1, INT_MAX },
- {"band", "set delogo area band size", OFFSET(band), FF_OPT_TYPE_INT, { 4}, -1, INT_MAX },
- {"t", "set delogo area band size", OFFSET(band), FF_OPT_TYPE_INT, { 4}, -1, INT_MAX },
- {"show", "show delogo area", OFFSET(show), FF_OPT_TYPE_INT, { 0}, 0, 1 },
- {NULL},
+ { "x", "set logo x position", OFFSET(x), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "y", "set logo y position", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "w", "set logo width", OFFSET(w), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "h", "set logo height", OFFSET(h), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "band", "set delogo area band size", OFFSET(band), AV_OPT_TYPE_INT, { .i64 = 4 }, -1, INT_MAX, FLAGS },
+ { "t", "set delogo area band size", OFFSET(band), AV_OPT_TYPE_INT, { .i64 = 4 }, -1, INT_MAX, FLAGS },
+ { "show", "show delogo area", OFFSET(show), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
+ { NULL },
};
static const char *delogo_get_name(void *ctx)
static int query_formats(AVFilterContext *ctx)
{
- enum PixelFormat pix_fmts[] = {
- PIX_FMT_YUV444P, PIX_FMT_YUV422P, PIX_FMT_YUV420P,
- PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_YUV440P,
- PIX_FMT_YUVA420P, PIX_FMT_GRAY8,
- PIX_FMT_NONE
+ enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
+ AV_PIX_FMT_YUVA420P, AV_PIX_FMT_GRAY8,
+ AV_PIX_FMT_NONE
};
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
-static av_cold int init(AVFilterContext *ctx, const char *args)
+static av_cold int init(AVFilterContext *ctx)
{
- DelogoContext *delogo = ctx->priv;
- int ret = 0;
-
- delogo->class = &delogo_class;
- av_opt_set_defaults(delogo);
-
- if (args)
- ret = sscanf(args, "%d:%d:%d:%d:%d",
- &delogo->x, &delogo->y, &delogo->w, &delogo->h, &delogo->band);
- if (ret == 5) {
- if (delogo->band < 0)
- delogo->show = 1;
- } else if ((ret = (av_set_options_string(delogo, args, "=", ":"))) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
- return ret;
- }
+ DelogoContext *s = ctx->priv;
#define CHECK_UNSET_OPT(opt) \
- if (delogo->opt == -1) { \
- av_log(delogo, AV_LOG_ERROR, "Option %s was not set.\n", #opt); \
+ if (s->opt == -1) { \
+ av_log(s, AV_LOG_ERROR, "Option %s was not set.\n", #opt); \
return AVERROR(EINVAL); \
}
CHECK_UNSET_OPT(x);
CHECK_UNSET_OPT(w);
CHECK_UNSET_OPT(h);
- if (delogo->show)
- delogo->band = 4;
+ if (s->show)
+ s->band = 4;
av_log(ctx, AV_LOG_DEBUG, "x:%d y:%d, w:%d h:%d band:%d show:%d\n",
- delogo->x, delogo->y, delogo->w, delogo->h, delogo->band, delogo->show);
+ s->x, s->y, s->w, s->h, s->band, s->show);
- delogo->w += delogo->band*2;
- delogo->h += delogo->band*2;
- delogo->x -= delogo->band;
- delogo->y -= delogo->band;
+ s->w += s->band*2;
+ s->h += s->band*2;
+ s->x -= s->band;
+ s->y -= s->band;
return 0;
}
-static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
+static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
+ DelogoContext *s = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
- AVFilterBufferRef *outpicref = NULL;
- int ret = 0;
-
- if (inpicref->perms & AV_PERM_PRESERVE) {
- outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE,
- outlink->w, outlink->h);
- if (!outpicref)
- return AVERROR(ENOMEM);
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+ AVFrame *out;
+ int hsub0 = desc->log2_chroma_w;
+ int vsub0 = desc->log2_chroma_h;
+ int direct = 0;
+ int plane;
- avfilter_copy_buffer_ref_props(outpicref, inpicref);
- outpicref->video->w = outlink->w;
- outpicref->video->h = outlink->h;
+ if (av_frame_is_writable(in)) {
+ direct = 1;
+ out = in;
} else {
- outpicref = avfilter_ref_buffer(inpicref, ~0);
- if (!outpicref)
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!out) {
+ av_frame_free(&in);
return AVERROR(ENOMEM);
- }
+ }
- ret = ff_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
- if (ret < 0) {
- avfilter_unref_bufferp(&outpicref);
- return ret;
+ av_frame_copy_props(out, in);
+ out->width = outlink->w;
+ out->height = outlink->h;
}
- outlink->out_buf = outpicref;
- return 0;
-}
-
-static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
-{
- return 0;
-}
-
-static void end_frame(AVFilterLink *inlink)
-{
- DelogoContext *delogo = inlink->dst->priv;
- AVFilterLink *outlink = inlink->dst->outputs[0];
- AVFilterBufferRef *inpicref = inlink ->cur_buf;
- AVFilterBufferRef *outpicref = outlink->out_buf;
- int direct = inpicref->buf == outpicref->buf;
- int hsub0 = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
- int vsub0 = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
- int plane;
-
- for (plane = 0; plane < 4 && inpicref->data[plane]; plane++) {
+ for (plane = 0; plane < 4 && in->data[plane]; plane++) {
int hsub = plane == 1 || plane == 2 ? hsub0 : 0;
int vsub = plane == 1 || plane == 2 ? vsub0 : 0;
- apply_delogo(outpicref->data[plane], outpicref->linesize[plane],
- inpicref ->data[plane], inpicref ->linesize[plane],
+ apply_delogo(out->data[plane], out->linesize[plane],
+ in ->data[plane], in ->linesize[plane],
inlink->w>>hsub, inlink->h>>vsub,
- delogo->x>>hsub, delogo->y>>vsub,
- delogo->w>>hsub, delogo->h>>vsub,
- delogo->band>>FFMIN(hsub, vsub),
- delogo->show, direct);
+ s->x>>hsub, s->y>>vsub,
+ s->w>>hsub, s->h>>vsub,
+ s->band>>FFMIN(hsub, vsub),
+ s->show, direct);
}
- ff_draw_slice(outlink, 0, inlink->h, 1);
- ff_end_frame(outlink);
+ if (!direct)
+ av_frame_free(&in);
+
+ return ff_filter_frame(outlink, out);
}
-AVFilter avfilter_vf_delogo = {
+static const AVFilterPad avfilter_vf_delogo_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .get_video_buffer = ff_null_get_video_buffer,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_delogo_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ },
+ { NULL }
+};
+
+AVFilter ff_vf_delogo = {
.name = "delogo",
.description = NULL_IF_CONFIG_SMALL("Remove logo from input video."),
.priv_size = sizeof(DelogoContext),
+ .priv_class = &delogo_class,
.init = init,
.query_formats = query_formats,
- .inputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .get_video_buffer = ff_null_get_video_buffer,
- .start_frame = start_frame,
- .draw_slice = null_draw_slice,
- .end_frame = end_frame,
- .min_perms = AV_PERM_WRITE | AV_PERM_READ,
- .rej_perms = AV_PERM_PRESERVE },
- { .name = NULL}},
- .outputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .inputs = avfilter_vf_delogo_inputs,
+ .outputs = avfilter_vf_delogo_outputs,
};
projects / ffmpeg / blobdiff