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avfilter/vf_lut2: add support for commands

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This commit is contained in:
Paul B Mahol 2021-02-07 22:39:25 +01:00
parent 629dd8efb5
commit 5f592136eb
2 changed files with 28 additions and 9 deletions
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4
doc/filters.texi
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@ -14221,6 +14221,10 @@ The second input video bit depth.
All expressions default to "x".
@subsection Commands
This filter supports the all above options as @ref{commands} except option @code{d}.
@subsection Examples
@itemize

33
libavfilter/vf_lut2.c
View File

@ -79,12 +79,13 @@ typedef struct ThreadData {
#define OFFSET(x) offsetof(LUT2Context, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define TFLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption options[] = {
{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "d", "set output depth", OFFSET(odepth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 16, .flags = FLAGS },
{ NULL }
};
@ -353,7 +354,8 @@ static int config_output(AVFilterLink *outlink)
}
for (p = 0; p < s->nb_planes; p++) {
s->lut[p] = av_malloc_array(1 << s->depth, sizeof(uint16_t));
if (!s->lut[p])
s->lut[p] = av_malloc_array(1 << s->depth, sizeof(uint16_t));
if (!s->lut[p])
return AVERROR(ENOMEM);
}
@ -543,6 +545,17 @@ static const AVFilterPad outputs[] = {
{ NULL }
};
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_output(ctx->outputs[0]);
}
#define lut2_options options
FRAMESYNC_DEFINE_CLASS(lut2, LUT2Context, fs);
@ -560,6 +573,7 @@ AVFilter ff_vf_lut2 = {
.outputs = outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
AVFILTER_FLAG_SLICE_THREADS,
.process_command = process_command,
};
#if CONFIG_TLUT2_FILTER
@ -610,10 +624,10 @@ static int tlut2_filter_frame(AVFilterLink *inlink, AVFrame *frame)
}
static const AVOption tlut2_options[] = {
{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = FLAGS },
{ "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "x" }, .flags = TFLAGS },
{ NULL }
};
@ -650,6 +664,7 @@ AVFilter ff_vf_tlut2 = {
.outputs = tlut2_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
AVFILTER_FLAG_SLICE_THREADS,
.process_command = process_command,
};
#endif