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avfilter/vf_pseudocolor: add support for commands

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This commit is contained in:
Paul B Mahol 2021-01-28 15:39:16 +01:00
parent 891da955af
commit 61a0ff892e
1 changed files with 13 additions and 1 deletions
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14
libavfilter/vf_pseudocolor.c
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@ -127,7 +127,7 @@ typedef struct PseudoColorContext {
} PseudoColorContext;
#define OFFSET(x) offsetof(PseudoColorContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption pseudocolor_options[] = {
{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS },
@ -720,6 +720,17 @@ 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 = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
if (ret < 0)
return ret;
return config_input(ctx->inputs[0]);
}
static const AVFilterPad inputs[] = {
{
.name = "default",
@ -761,4 +772,5 @@ AVFilter ff_vf_pseudocolor = {
.inputs = inputs,
.outputs = outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
.process_command = process_command,
};