[FFmpeg-cvslog] avfilter/vf_hqdn3d: add support for commands
Paul B Mahol
git at videolan.org
Fri Nov 29 18:31:05 EET 2019
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Nov 21 15:50:35 2019 +0100| [8c2f81a17a21ce3af16d7dd17a2641dbc61432d6] | committer: Paul B Mahol
avfilter/vf_hqdn3d: add support for commands
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8c2f81a17a21ce3af16d7dd17a2641dbc61432d6
---
doc/filters.texi | 7 +++++++
libavfilter/vf_hqdn3d.c | 40 +++++++++++++++++++++++++++++++---------
2 files changed, 38 insertions(+), 9 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 16bf2df6c2..5fdec6f015 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -11765,6 +11765,13 @@ A floating point number which specifies chroma temporal strength. It defaults to
@var{luma_tmp}*@var{chroma_spatial}/@var{luma_spatial}.
@end table
+ at subsection Commands
+This filter supports same @ref{commands} as options.
+The command accepts the same syntax of the corresponding option.
+
+If the specified expression is not valid, it is kept at its current
+value.
+
@anchor{hwdownload}
@section hwdownload
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index eac10bf261..803f90c28c 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -172,13 +172,10 @@ static int denoise_depth(HQDN3DContext *s,
} \
} while (0)
-static int16_t *precalc_coefs(double dist25, int depth)
+static void precalc_coefs(double dist25, int depth, int16_t *ct)
{
int i;
double gamma, simil, C;
- int16_t *ct = av_malloc((512<<LUT_BITS)*sizeof(int16_t));
- if (!ct)
- return NULL;
gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
@@ -190,7 +187,6 @@ static int16_t *precalc_coefs(double dist25, int depth)
}
ct[0] = !!dist25;
- return ct;
}
#define PARAM1_DEFAULT 4.0
@@ -254,17 +250,26 @@ static int query_formats(AVFilterContext *ctx)
return ff_set_common_formats(ctx, fmts_list);
}
+static void calc_coefs(AVFilterContext *ctx)
+{
+ HQDN3DContext *s = ctx->priv;
+
+ for (int i = 0; i < 4; i++)
+ precalc_coefs(s->strength[i], s->depth, s->coefs[i]);
+}
+
static int config_input(AVFilterLink *inlink)
{
+ AVFilterContext *ctx = inlink->dst;
HQDN3DContext *s = inlink->dst->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
- int i;
+ int i, depth;
uninit(inlink->dst);
s->hsub = desc->log2_chroma_w;
s->vsub = desc->log2_chroma_h;
- s->depth = desc->comp[0].depth;
+ s->depth = depth = desc->comp[0].depth;
for (i = 0; i < 3; i++) {
s->line[i] = av_malloc_array(inlink->w, sizeof(*s->line[i]));
@@ -273,11 +278,13 @@ static int config_input(AVFilterLink *inlink)
}
for (i = 0; i < 4; i++) {
- s->coefs[i] = precalc_coefs(s->strength[i], s->depth);
+ s->coefs[i] = av_malloc((512<<LUT_BITS) * sizeof(int16_t));
if (!s->coefs[i])
return AVERROR(ENOMEM);
}
+ calc_coefs(ctx);
+
if (ARCH_X86)
ff_hqdn3d_init_x86(s);
@@ -346,8 +353,22 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return ff_filter_frame(outlink, out);
}
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ int ret;
+
+ ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+ if (ret < 0)
+ return ret;
+
+ calc_coefs(ctx);
+
+ return 0;
+}
+
#define OFFSET(x) offsetof(HQDN3DContext, 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 hqdn3d_options[] = {
{ "luma_spatial", "spatial luma strength", OFFSET(strength[LUMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
{ "chroma_spatial", "spatial chroma strength", OFFSET(strength[CHROMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
@@ -388,4 +409,5 @@ AVFilter ff_vf_hqdn3d = {
.inputs = avfilter_vf_hqdn3d_inputs,
.outputs = avfilter_vf_hqdn3d_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
+ .process_command = process_command,
};
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