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From: Yannis Gerlach <ffmpeg@ygerlach.de>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 2/2] avfilter/colorize: formatting
Date: Wed, 1 May 2024 10:48:16 +0200
Message-ID: <c28ab62d-7d3d-4922-8a3f-7f9f1806481d@ygerlach.de> (raw)
In-Reply-To: <010f3c15-7fb2-4c6d-be46-3cb9772f946f@ygerlach.de>

Add spaces to format option list table-like

Signed-off-by: Yannis Gerlach <ffmpeg@ygerlach.de>
---
  libavfilter/vf_colorize.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavfilter/vf_colorize.c b/libavfilter/vf_colorize.c
index cfcf1a54fb..ad8577c8fd 100644
--- a/libavfilter/vf_colorize.c
+++ b/libavfilter/vf_colorize.c
@@ -271,10 +271,10 @@ static const AVFilterPad colorize_inputs[] = {
  #define VF 
AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
   static const AVOption colorize_options[] = {
-    { "hue",        "set the hue",                     OFFSET(hue), 
    AV_OPT_TYPE_FLOAT, {.dbl=0},  0, 360, VF },
-    { "saturation", "set the saturation", 
OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
-    { "lightness",  "set the lightness", 
OFFSET(lightness),  AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
-    { "mix",        "set the mix of source lightness", OFFSET(mix), 
    AV_OPT_TYPE_FLOAT, {.dbl=1},  0,   1, VF },
+    { "hue",        "set the hue",                     OFFSET(hue), 
    AV_OPT_TYPE_FLOAT, {.dbl=0},    0, 360, VF },
+    { "saturation", "set the saturation", 
OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},  0,   1, VF },
+    { "lightness",  "set the lightness", 
OFFSET(lightness),  AV_OPT_TYPE_FLOAT, {.dbl=0.5},  0,   1, VF },
+    { "mix",        "set the mix of source lightness", OFFSET(mix), 
    AV_OPT_TYPE_FLOAT, {.dbl=1},    0,   1, VF },
      { "speed",      "set the change of hue per frame", OFFSET(speed), 
     AV_OPT_TYPE_FLOAT, {.dbl=0}, -180, 180, VF },
      { NULL }
  };
-- 
2.34.1



Am 01.05.24 um 10:37 schrieb Yannis Gerlach:
> The speed option allows to have a constant (per frame) change of hue. 
> This allows for an easy way of creating an color changing effect 
> without relying on somewhat complicated expressions.
>
> Signed-off-by: Yannis Gerlach <ffmpeg@ygerlach.de>
> ---
> libavfilter/vf_colorize.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/libavfilter/vf_colorize.c b/libavfilter/vf_colorize.c
> index e6c563e3e2..cfcf1a54fb 100644
> --- a/libavfilter/vf_colorize.c
> +++ b/libavfilter/vf_colorize.c
> @@ -29,6 +29,7 @@ typedef struct ColorizeContext {
> float saturation;
> float lightness;
> float mix;
> + float speed;
> int depth;
> int c[3];
> @@ -205,6 +206,13 @@ static int filter_frame(AVFilterLink *inlink, 
> AVFrame *frame)
> ff_filter_execute(ctx, do_slice, frame, NULL,
> FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));
> + s->hue += s->speed;
> + if (s->hue < 0.f) {
> + s->hue += 360.f;
> + } else if(s->hue > 360.f) {
> + s->hue -= 360.f;
> + }
> +
> return ff_filter_frame(ctx->outputs[0], frame);
> }
> @@ -267,6 +275,7 @@ static const AVOption colorize_options[] = {
> { "saturation", "set the saturation", OFFSET(saturation), 
> AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF },
> { "lightness", "set the lightness", OFFSET(lightness), 
> AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF },
> { "mix", "set the mix of source lightness", OFFSET(mix), 
> AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, VF },
> + { "speed", "set the change of hue per frame", OFFSET(speed), 
> AV_OPT_TYPE_FLOAT, {.dbl=0}, -180, 180, VF },
> { NULL }
> };
> -- 2.34.1
>
>
>
>
> Am 01.05.24 um 09:49 schrieb Gyan Doshi:
>>
>>
>> On 2024-05-01 12:18 pm, Yannis Gerlach wrote:
>>> The speed option allows to have a constant (per frame) change of 
>>> hue. This allows for an easy way of creating an color changing 
>>> effect without relying on somewhat complicated expressions.
>>>
>>> Signed-off-by: Yannis Gerlach <ffmpeg@ygerlach.de>
>>> ---
>>>  libavfilter/vf_colorize.c | 17 +++++++++++++----
>>>  1 file changed, 13 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/libavfilter/vf_colorize.c b/libavfilter/vf_colorize.c
>>> index e6c563e3e2..ad8577c8fd 100644
>>> --- a/libavfilter/vf_colorize.c
>>> +++ b/libavfilter/vf_colorize.c
>>> @@ -29,6 +29,7 @@ typedef struct ColorizeContext {
>>>      float saturation;
>>>      float lightness;
>>>      float mix;
>>> +    float speed;
>>>       int depth;
>>>      int c[3];
>>> @@ -205,6 +206,13 @@ static int filter_frame(AVFilterLink *inlink, 
>>> AVFrame *frame)
>>>      ff_filter_execute(ctx, do_slice, frame, NULL,
>>>                        FFMIN(s->planeheight[1], 
>>> ff_filter_get_nb_threads(ctx)));
>>>  +    s->hue += s->speed;
>>> +    if (s->hue < 0.f) {
>>> +        s->hue += 360.f;
>>> +    } else if(s->hue > 360.f) {
>>> +        s->hue -= 360.f;
>>> +    }
>>> +
>>>      return ff_filter_frame(ctx->outputs[0], frame);
>>>  }
>>>  @@ -263,10 +271,11 @@ static const AVFilterPad colorize_inputs[] = {
>>>  #define VF 
>>> AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
>>>   static const AVOption colorize_options[] = {
>>> -    { "hue",        "set the hue", OFFSET(hue), AV_OPT_TYPE_FLOAT, 
>>> {.dbl=0},  0, 360, VF },
>>> -    { "saturation", "set the saturation", OFFSET(saturation), 
>>> AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
>>> -    { "lightness",  "set the lightness", OFFSET(lightness), 
>>> AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
>>> -    { "mix",        "set the mix of source lightness", OFFSET(mix), 
>>>    AV_OPT_TYPE_FLOAT, {.dbl=1},  0,   1, VF },
>>> +    { "hue",        "set the hue", OFFSET(hue), AV_OPT_TYPE_FLOAT, 
>>> {.dbl=0},    0, 360, VF },
>>> +    { "saturation", "set the saturation", OFFSET(saturation), 
>>> AV_OPT_TYPE_FLOAT, {.dbl=0.5},  0,   1, VF },
>>> +    { "lightness",  "set the lightness", OFFSET(lightness), 
>>> AV_OPT_TYPE_FLOAT, {.dbl=0.5},  0,   1, VF },
>>> +    { "mix",        "set the mix of source lightness", OFFSET(mix), 
>>>    AV_OPT_TYPE_FLOAT, {.dbl=1},    0,   1, VF },
>>
>> The cosmetic changes should be in a separate patch.
>
> I have split them now.
>
>>
>> Regards,
>> Gyan
>>
>>> +    { "speed",      "set the change of hue per frame", 
>>> OFFSET(speed), AV_OPT_TYPE_FLOAT, {.dbl=0}, -180, 180, VF },
>>>      { NULL }
>>>  };
>>>  -- 2.34.1
>>>
>>> _______________________________________________
>>> ffmpeg-devel mailing list
>>> ffmpeg-devel@ffmpeg.org
>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>
>>> To unsubscribe, visit link above, or email
>>> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
>>
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel@ffmpeg.org
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email

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      reply	other threads:[~2024-05-01  8:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-01  6:48 [FFmpeg-devel] [PATCH] avfilter/colorize: add speed option Yannis Gerlach
2024-05-01  7:49 ` Gyan Doshi
2024-05-01  8:37   ` [FFmpeg-devel] [PATCH 1/2] " Yannis Gerlach
2024-05-01  8:48     ` Yannis Gerlach [this message]

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