[FFmpeg-cvslog] avfilter/vsrc_gradients: add commands support

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sun Dec  3 18:22:01 2023 +0100| [8888574d10766b7d5ced5ab076496b3664a023a4] | committer: Paul B Mahol

avfilter/vsrc_gradients: add commands support

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8888574d10766b7d5ced5ab076496b3664a023a4
---

 doc/filters.texi             |  4 ++++
 libavfilter/vsrc_gradients.c | 18 ++++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index de19d130cc..6d00ba2c3f 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -28367,6 +28367,10 @@ Available values are:
 Default type is @var{linear}.
 @end table
 
+ at subsection Commands
+
+This source supports the some above options as @ref{commands}.
+
 @section mandelbrot
 
 Generate a Mandelbrot set fractal, and progressively zoom towards the
diff --git a/libavfilter/vsrc_gradients.c b/libavfilter/vsrc_gradients.c
index e879f0b158..d3264b96c8 100644
--- a/libavfilter/vsrc_gradients.c
+++ b/libavfilter/vsrc_gradients.c
@@ -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,
 };