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avfilter/vf_datascope: add commands support

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pull/371/head
Paul B Mahol 4 years ago
parent 82aab8a4ee
commit aa8adc9206
2 changed files with 29 additions and 12 deletions
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  1. 4
      doc/filters.texi
  2. 37
      libavfilter/vf_datascope.c

4
doc/filters.texi
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@ -9358,6 +9358,10 @@ Set display number format. Can be @code{hex}, or @code{dec}. Default is @code{he
Set pixel components to display. By default all pixel components are displayed.
@end table
@subsection Commands
This filter supports same @ref{commands} as options excluding @code{size} option.
@section dblur
Apply Directional blur filter.

37
libavfilter/vf_datascope.c
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@ -61,18 +61,18 @@ typedef struct DatascopeContext {
static const AVOption datascope_options[] = {
{ "size", "set output size", OFFSET(ow), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
{ "s", "set output size", OFFSET(ow), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
{ "x", "set x offset", OFFSET(x), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
{ "y", "set y offset", OFFSET(y), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
{ "mode", "set scope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "mode" },
{ "mono", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mode" },
{ "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode" },
{ "color2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mode" },
{ "axis", "draw column/row numbers", OFFSET(axis), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
{ "opacity", "set background opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
{ "format", "set display number format", OFFSET(dformat), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "format" },
{ "hex", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "format" },
{ "dec", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "format" },
{ "components", "set components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=15}, 1, 15, FLAGS },
{ "x", "set x offset", OFFSET(x), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGSR },
{ "y", "set y offset", OFFSET(y), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGSR },
{ "mode", "set scope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGSR, "mode" },
{ "mono", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGSR, "mode" },
{ "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGSR, "mode" },
{ "color2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGSR, "mode" },
{ "axis", "draw column/row numbers", OFFSET(axis), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGSR },
{ "opacity", "set background opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGSR },
{ "format", "set display number format", OFFSET(dformat), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGSR, "format" },
{ "hex", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGSR, "format" },
{ "dec", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGSR, "format" },
{ "components", "set components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=15}, 1, 15, FLAGSR },
{ NULL }
};
@ -419,6 +419,18 @@ static int config_output(AVFilterLink *outlink)
return 0;
}
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;
return config_input(ctx->inputs[0]);
}
static const AVFilterPad inputs[] = {
{
.name = "default",
@ -447,6 +459,7 @@ AVFilter ff_vf_datascope = {
.inputs = inputs,
.outputs = outputs,
.flags = AVFILTER_FLAG_SLICE_THREADS,
.process_command = process_command,
};
typedef struct PixscopeContext {

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