[FFmpeg-cvslog] avfilter/vf_bilateral: add support for commands
Paul B Mahol
git at videolan.org
Sat Dec 19 21:46:57 EET 2020
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sat Dec 19 20:32:09 2020 +0100| [d6a356f115ec7f86e2a8aa4aa1ba9de0988c95f0] | committer: Paul B Mahol
avfilter/vf_bilateral: add support for commands
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d6a356f115ec7f86e2a8aa4aa1ba9de0988c95f0
---
doc/filters.texi | 4 ++++
libavfilter/vf_bilateral.c | 37 ++++++++++++++++++++++++++++++++-----
2 files changed, 36 insertions(+), 5 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 5925cf038c..3b4ed37297 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -7158,6 +7158,10 @@ Allowed range is 0 to 1. Default is 0.1.
Set planes to filter. Default is first only.
@end table
+ at subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section bitplanenoise
Show and measure bit plane noise.
diff --git a/libavfilter/vf_bilateral.c b/libavfilter/vf_bilateral.c
index 59e008ca1d..3eaf8dd009 100644
--- a/libavfilter/vf_bilateral.c
+++ b/libavfilter/vf_bilateral.c
@@ -55,7 +55,7 @@ typedef struct BilateralContext {
} BilateralContext;
#define OFFSET(x) offsetof(BilateralContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption bilateral_options[] = {
{ "sigmaS", "set spatial sigma", OFFSET(sigmaS), AV_OPT_TYPE_FLOAT, {.dbl=0.1}, 0.0, 512, FLAGS },
@@ -92,13 +92,11 @@ static int query_formats(AVFilterContext *ctx)
return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
}
-static int config_input(AVFilterLink *inlink)
+static int config_params(AVFilterContext *ctx)
{
- BilateralContext *s = inlink->dst->priv;
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+ BilateralContext *s = ctx->priv;
float inv_sigma_range;
- s->depth = desc->comp[0].depth;
inv_sigma_range = 1.0f / (s->sigmaR * ((1 << s->depth) - 1));
s->alpha = expf(-sqrtf(2.f) / s->sigmaS);
@@ -106,6 +104,19 @@ static int config_input(AVFilterLink *inlink)
for (int i = 0; i < (1 << s->depth); i++)
s->range_table[i] = s->alpha * expf(-i * inv_sigma_range);
+ return 0;
+}
+
+static int config_input(AVFilterLink *inlink)
+{
+ AVFilterContext *ctx = inlink->dst;
+ BilateralContext *s = ctx->priv;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+
+ s->depth = desc->comp[0].depth;
+
+ config_params(ctx);
+
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = inlink->w;
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
@@ -335,6 +346,21 @@ static av_cold void uninit(AVFilterContext *ctx)
av_freep(&s->line_factor_b);
}
+static int process_command(AVFilterContext *ctx,
+ const char *cmd,
+ const char *arg,
+ char *res,
+ int res_len,
+ int flags)
+{
+ int ret = ff_filter_process_command(ctx, cmd, arg, res, res_len, flags);
+
+ if (ret < 0)
+ return ret;
+
+ return config_params(ctx);
+}
+
static const AVFilterPad bilateral_inputs[] = {
{
.name = "default",
@@ -363,4 +389,5 @@ AVFilter ff_vf_bilateral = {
.inputs = bilateral_inputs,
.outputs = bilateral_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
+ .process_command = process_command,
};
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