const AVClass *class;
const AVPixFmtDescriptor *desc;
int nb_inputs;
+ int nb_frames;
int planes;
+ float percentile;
+ int tmedian;
int radius;
+ int index;
int depth;
int max;
int nb_planes;
AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
+ AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
+ AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
+ AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
+ AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
+ AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
AV_PIX_FMT_NONE
};
AVFilterFormats *formats = ff_make_format_list(pixel_fmts);
XMedianContext *s = ctx->priv;
int ret;
- if (!(s->nb_inputs & 1))
- av_log(s, AV_LOG_WARNING, "nb_intputs: %d is not odd number.\n", s->nb_inputs);
+ s->tmedian = !strcmp(ctx->filter->name, "tmedian");
- s->nb_inputs = s->nb_inputs | 1;
- s->radius = s->nb_inputs / 2;
+ if (!s->tmedian) {
+ s->radius = s->nb_inputs / 2;
+ } else {
+ s->nb_inputs = s->radius * 2 + 1;
+ }
+
+ if (s->nb_inputs & 1)
+ s->index = s->radius * 2.f * s->percentile;
+ else
+ s->index = av_clip(s->radius * 2.f * s->percentile, 1, s->nb_inputs - 1);
s->frames = av_calloc(s->nb_inputs, sizeof(*s->frames));
if (!s->frames)
return AVERROR(ENOMEM);
- for (int i = 0; i < s->nb_inputs; i++) {
+ for (int i = 0; i < s->nb_inputs && !s->tmedian; i++) {
AVFilterPad pad = { 0 };
pad.type = AVMEDIA_TYPE_VIDEO;
AVFrame *out = td->out;
const int nb_inputs = s->nb_inputs;
const int radius = s->radius;
+ const int index = s->index;
int values[256];
for (int p = 0; p < s->nb_planes; p++) {
if (!((1 << p) & s->planes)) {
av_image_copy_plane((uint8_t *)dst, out->linesize[p],
- in[0]->data[p] + slice_start * in[radius]->linesize[p],
- in[0]->linesize[p],
+ in[radius]->data[p] + slice_start * in[radius]->linesize[p],
+ in[radius]->linesize[p],
s->linesize[p], slice_end - slice_start);
continue;
}
}
AV_QSORT(values, nb_inputs, int, comparei);
- dst[x] = values[radius];
+ if (nb_inputs & 1)
+ dst[x] = values[index];
+ else
+ dst[x] = (values[index] + values[index - 1]) >> 1;
}
dst += out->linesize[p] / 2;
AVFrame *out = td->out;
const int nb_inputs = s->nb_inputs;
const int radius = s->radius;
+ const int index = s->index;
int values[256];
for (int p = 0; p < s->nb_planes; p++) {
if (!((1 << p) & s->planes)) {
av_image_copy_plane(dst, out->linesize[p],
- in[0]->data[p] + slice_start * in[0]->linesize[p],
- in[0]->linesize[p],
+ in[radius]->data[p] + slice_start * in[radius]->linesize[p],
+ in[radius]->linesize[p],
s->linesize[p], slice_end - slice_start);
continue;
}
values[i] = in[i]->data[p][y * in[i]->linesize[p] + x];
AV_QSORT(values, nb_inputs, int, comparei);
- dst[x] = values[radius];
+ if (nb_inputs & 1)
+ dst[x] = values[index];
+ else
+ dst[x] = (values[index] + values[index - 1]) >> 1;
}
dst += out->linesize[p];
return ret;
}
- out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (ctx->is_disabled) {
+ out = av_frame_clone(in[0]);
+ } else {
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ }
if (!out)
return AVERROR(ENOMEM);
out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
- td.in = in;
- td.out = out;
- ctx->internal->execute(ctx, s->median_frames, &td, NULL, FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
+ if (!ctx->is_disabled) {
+ td.in = in;
+ td.out = out;
+ ctx->internal->execute(ctx, s->median_frames, &td, NULL, FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
+ }
return ff_filter_frame(outlink, out);
}
AVFilterContext *ctx = outlink->src;
XMedianContext *s = ctx->priv;
AVRational frame_rate = ctx->inputs[0]->frame_rate;
+ AVRational sar = ctx->inputs[0]->sample_aspect_ratio;
AVFilterLink *inlink = ctx->inputs[0];
int height = ctx->inputs[0]->h;
int width = ctx->inputs[0]->w;
FFFrameSyncIn *in;
int i, ret;
- for (int i = 1; i < s->nb_inputs; i++) {
+ for (int i = 1; i < s->nb_inputs && !s->tmedian; i++) {
if (ctx->inputs[i]->h != height || ctx->inputs[i]->w != width) {
av_log(ctx, AV_LOG_ERROR, "Input %d size (%dx%d) does not match input %d size (%dx%d).\n", i, ctx->inputs[i]->w, ctx->inputs[i]->h, 0, width, height);
return AVERROR(EINVAL);
s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
s->height[0] = s->height[3] = inlink->h;
+ if (s->tmedian)
+ return 0;
+
outlink->w = width;
outlink->h = height;
outlink->frame_rate = frame_rate;
+ outlink->sample_aspect_ratio = sar;
if ((ret = ff_framesync_init(&s->fs, ctx, s->nb_inputs)) < 0)
return ret;
in[i].time_base = inlink->time_base;
in[i].sync = 1;
in[i].before = EXT_STOP;
- in[i].after = EXT_STOP;
+ in[i].after = EXT_INFINITY;
}
ret = ff_framesync_configure(&s->fs);
XMedianContext *s = ctx->priv;
ff_framesync_uninit(&s->fs);
- av_freep(&s->frames);
- for (int i = 0; i < ctx->nb_inputs; i++)
+ for (int i = 0; i < ctx->nb_inputs && !s->tmedian; i++)
av_freep(&ctx->input_pads[i].name);
+ for (int i = 0; i < s->nb_frames && s->frames && s->tmedian; i++)
+ av_frame_free(&s->frames[i]);
+ av_freep(&s->frames);
}
static int activate(AVFilterContext *ctx)
return ff_framesync_activate(&s->fs);
}
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ XMedianContext *s = ctx->priv;
+ int ret;
+
+ ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+ if (ret < 0)
+ return ret;
+
+ if (s->nb_inputs & 1)
+ s->index = s->radius * 2.f * s->percentile;
+ else
+ s->index = av_clip(s->radius * 2.f * s->percentile, 1, s->nb_inputs - 1);
+
+ return 0;
+}
+
#define OFFSET(x) offsetof(XMedianContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
+#define TFLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption xmedian_options[] = {
- { "nb_inputs", "set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64=3}, 3, 255, .flags = FLAGS },
- { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, .flags = FLAGS },
+ { "inputs", "set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64=3}, 3, 255, .flags = FLAGS },
+ { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, .flags =TFLAGS },
+ { "percentile", "set percentile", OFFSET(percentile),AV_OPT_TYPE_FLOAT,{.dbl=0.5}, 0, 1, .flags =TFLAGS },
{ NULL },
};
{ NULL }
};
-AVFILTER_DEFINE_CLASS(xmedian);
+#if CONFIG_XMEDIAN_FILTER
+FRAMESYNC_DEFINE_CLASS(xmedian, XMedianContext, fs);
-AVFilter ff_vf_xmedian = {
+const AVFilter ff_vf_xmedian = {
.name = "xmedian",
.description = NULL_IF_CONFIG_SMALL("Pick median pixels from several video inputs."),
.priv_size = sizeof(XMedianContext),
.priv_class = &xmedian_class,
.query_formats = query_formats,
.outputs = outputs,
+ .preinit = xmedian_framesync_preinit,
.init = init,
.uninit = uninit,
.activate = activate,
- .flags = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_SLICE_THREADS,
+ .flags = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_SLICE_THREADS |
+ AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
+ .process_command = process_command,
+};
+
+#endif /* CONFIG_XMEDIAN_FILTER */
+
+#if CONFIG_TMEDIAN_FILTER
+static int tmedian_filter_frame(AVFilterLink *inlink, AVFrame *in)
+{
+ AVFilterContext *ctx = inlink->dst;
+ AVFilterLink *outlink = ctx->outputs[0];
+ XMedianContext *s = ctx->priv;
+ ThreadData td;
+ AVFrame *out;
+
+ if (s->nb_frames < s->nb_inputs) {
+ s->frames[s->nb_frames] = in;
+ s->nb_frames++;
+ if (s->nb_frames < s->nb_inputs)
+ return 0;
+ } else {
+ av_frame_free(&s->frames[0]);
+ memmove(&s->frames[0], &s->frames[1], sizeof(*s->frames) * (s->nb_inputs - 1));
+ s->frames[s->nb_inputs - 1] = in;
+ }
+
+ if (ctx->is_disabled) {
+ out = av_frame_clone(s->frames[0]);
+ if (!out)
+ return AVERROR(ENOMEM);
+ return ff_filter_frame(outlink, out);
+ }
+
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!out)
+ return AVERROR(ENOMEM);
+ out->pts = s->frames[0]->pts;
+
+ td.out = out;
+ td.in = s->frames;
+ ctx->internal->execute(ctx, s->median_frames, &td, NULL, FFMIN(s->height[0], ff_filter_get_nb_threads(ctx)));
+
+ return ff_filter_frame(outlink, out);
+}
+
+static const AVOption tmedian_options[] = {
+ { "radius", "set median filter radius", OFFSET(radius), AV_OPT_TYPE_INT, {.i64=1}, 1, 127, .flags = FLAGS },
+ { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, .flags =TFLAGS },
+ { "percentile", "set percentile", OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, .flags =TFLAGS },
+ { NULL },
+};
+
+static const AVFilterPad tmedian_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = tmedian_filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad tmedian_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_output,
+ },
+ { NULL }
};
+
+AVFILTER_DEFINE_CLASS(tmedian);
+
+const AVFilter ff_vf_tmedian = {
+ .name = "tmedian",
+ .description = NULL_IF_CONFIG_SMALL("Pick median pixels from successive frames."),
+ .priv_size = sizeof(XMedianContext),
+ .priv_class = &tmedian_class,
+ .query_formats = query_formats,
+ .inputs = tmedian_inputs,
+ .outputs = tmedian_outputs,
+ .init = init,
+ .uninit = uninit,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
+ .process_command = process_command,
+};
+
+#endif /* CONFIG_TMEDIAN_FILTER */
projects / ffmpeg / blobdiff