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avfilter/vf_xmedian: simplify changing index variable

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This commit is contained in:
Paul B Mahol 2022-04-13 09:51:30 +02:00
parent 9d40fe20c9
commit b74f212b7a
1 changed files with 14 additions and 20 deletions
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34
libavfilter/vf_xmedian.c
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@ -188,6 +188,14 @@ static int median_frames ## name(AVFilterContext *ctx, void *arg, int jobnr, int
MEDIAN_SLICE(8, uint8_t, compare8)
MEDIAN_SLICE(16, uint16_t, compare16)
static void update_index(XMedianContext *s)
{
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);
}
static int process_frame(FFFrameSync *fs)
{
AVFilterContext *ctx = fs->parent;
@ -198,6 +206,8 @@ static int process_frame(FFFrameSync *fs)
ThreadData td;
int i, ret;
update_index(s);
for (i = 0; i < s->nb_inputs; i++) {
if ((ret = ff_framesync_get_frame(&s->fs, i, &in[i], 0)) < 0)
return ret;
@ -319,24 +329,6 @@ 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;
}
#if CONFIG_XMEDIAN_FILTER
static av_cold int xmedian_init(AVFilterContext *ctx)
{
@ -396,7 +388,7 @@ const AVFilter ff_vf_xmedian = {
.activate = activate,
.flags = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_SLICE_THREADS |
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
.process_command = process_command,
.process_command = ff_filter_process_command,
};
#endif /* CONFIG_XMEDIAN_FILTER */
@ -410,6 +402,8 @@ static int tmedian_filter_frame(AVFilterLink *inlink, AVFrame *in)
ThreadData td;
AVFrame *out;
update_index(s);
if (s->nb_frames < s->nb_inputs) {
s->frames[s->nb_frames] = in;
s->nb_frames++;
@ -477,7 +471,7 @@ const AVFilter ff_vf_tmedian = {
.init = init,
.uninit = uninit,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
.process_command = process_command,
.process_command = ff_filter_process_command,
};
#endif /* CONFIG_TMEDIAN_FILTER */