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| author | Paul B Mahol <onemda@gmail.com> | 2020-12-25 16:41:44 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-12-25 16:43:14 +0100 |
| commit | 5b48d2af43861d7cd84f52ed6f949449c652076d (patch) | |
| tree | e4789747b5d74325ee16c82c4e390c2802988bd8 /libavfilter/vf_xmedian.c | |
| parent | 4848eb48ac588620ae8e32467129e396bf71a718 (diff) | |
avfilter/vf_xmedian: add support for commands
Diffstat (limited to 'libavfilter/vf_xmedian.c')
| -rw-r--r-- | libavfilter/vf_xmedian.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/libavfilter/vf_xmedian.c b/libavfilter/vf_xmedian.c index 15857d6f14..0c4d4ab047 100644 --- a/libavfilter/vf_xmedian.c +++ b/libavfilter/vf_xmedian.c @@ -344,13 +344,32 @@ 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[] = { { "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 }, - { "percentile", "set percentile", OFFSET(percentile),AV_OPT_TYPE_FLOAT,{.dbl=0.5}, 0, 1, .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 }, }; @@ -377,6 +396,7 @@ AVFilter ff_vf_xmedian = { .uninit = uninit, .activate = activate, .flags = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_SLICE_THREADS, + .process_command = process_command, }; #endif /* CONFIG_XMEDIAN_FILTER */ @@ -422,8 +442,8 @@ static int tmedian_filter_frame(AVFilterLink *inlink, AVFrame *in) 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 = FLAGS }, - { "percentile", "set percentile", OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, .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 }, }; @@ -458,6 +478,7 @@ AVFilter ff_vf_tmedian = { .init = init, .uninit = uninit, .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, + .process_command = process_command, }; #endif /* CONFIG_TMEDIAN_FILTER */ |