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avfilter/vsrc_gradients: add commands support

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release/7.0
Paul B Mahol 12 months ago
parent ddecc39c39
commit 8888574d10
2 changed files with 14 additions and 8 deletions
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  1. 4
      doc/filters.texi
  2. 18
      libavfilter/vsrc_gradients.c

4
doc/filters.texi
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@ -28367,6 +28367,10 @@ Available values are:
Default type is @var{linear}.
@end table
@subsection Commands
This source supports the some above options as @ref{commands}.
@section mandelbrot
Generate a Mandelbrot set fractal, and progressively zoom towards the

18
libavfilter/vsrc_gradients.c
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@ -52,6 +52,7 @@ typedef struct GradientsContext {
#define OFFSET(x) offsetof(GradientsContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define VFT AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption gradients_options[] = {
{"size", "set frame size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="640x480"}, 0, 0, FLAGS },
@ -75,14 +76,14 @@ static const AVOption gradients_options[] = {
{"seed", "set the seed", OFFSET(seed), AV_OPT_TYPE_INT64, {.i64=-1}, -1, UINT32_MAX, FLAGS },
{"duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=-1}, -1, INT64_MAX, FLAGS },
{"d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=-1}, -1, INT64_MAX, FLAGS },
{"speed", "set gradients rotation speed", OFFSET(speed), AV_OPT_TYPE_FLOAT,{.dbl=0.01}, 0, 1, FLAGS },
{"type", "set gradient type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 4, FLAGS, "type" },
{"t", "set gradient type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 4, FLAGS, "type" },
{ "linear", "set linear gradient", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "type" },
{ "radial", "set radial gradient", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "type" },
{ "circular", "set circular gradient", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "type" },
{ "spiral", "set spiral gradient", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "type" },
{ "square", "set square gradient", 0, AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, FLAGS, "type" },
{"speed", "set gradients rotation speed", OFFSET(speed), AV_OPT_TYPE_FLOAT,{.dbl=0.01}, 0, 1, VFT },
{"type", "set gradient type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 4, VFT, "type" },
{"t", "set gradient type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 4, VFT, "type" },
{ "linear", "set linear gradient", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VFT, "type" },
{ "radial", "set radial gradient", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VFT, "type" },
{ "circular", "set circular gradient", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, VFT, "type" },
{ "spiral", "set spiral gradient", 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, VFT, "type" },
{ "square", "set square gradient", 0, AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, VFT, "type" },
{NULL},
};
@ -449,4 +450,5 @@ const AVFilter ff_vsrc_gradients = {
FILTER_PIXFMTS(AV_PIX_FMT_RGBA, AV_PIX_FMT_RGBA64, AV_PIX_FMT_GBRAPF32),
.activate = activate,
.flags = AVFILTER_FLAG_SLICE_THREADS,
.process_command = ff_filter_process_command,
};

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