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avfilter/vsrc_gradients: allow zero speed

This commit is contained in:
Paul B Mahol 2023-11-26 01:29:21 +01:00
parent f1acb0d843
commit e7111ba44a
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vsrc_gradients.c
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@ -75,7 +75,7 @@ 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}, 0.00001, 1, 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" },
@ -391,7 +391,7 @@ static int activate(AVFilterContext *ctx)
if (ff_outlink_frame_wanted(outlink)) {
AVFrame *frame = ff_get_video_buffer(outlink, s->w, s->h);
float angle = fmodf(s->pts * s->speed, 2.f * M_PI);
float angle = (s->speed > 0.f) ? fmodf(s->pts * s->speed, 2.f * M_PI) : 1.f;
const float w2 = s->w / 2.f;
const float h2 = s->h / 2.f;