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* [FFmpeg-devel] [PATCH] lavu/pixfmt: add packed RGBA float16 format
@ 2022-08-07 20:14 Timo Rothenpieler
       [not found] ` <ebdb9a12-5a80-6714-172e-320fafd2d50a@gmx.net>
  2022-08-07 22:39 ` Thomas Volkert
  0 siblings, 2 replies; 4+ messages in thread
From: Timo Rothenpieler @ 2022-08-07 20:14 UTC (permalink / raw)
  To: ffmpeg-devel; +Cc: Timo Rothenpieler

This is the default format of the Windows compositor and what DXGI
Desktop Duplication will give you for any kind of HDR output.
---
 libavutil/pixdesc.c              | 28 ++++++++++++++++++++++++++++
 libavutil/pixfmt.h               |  5 +++++
 libavutil/version.h              |  4 ++--
 tests/ref/fate/imgutils          |  2 ++
 tests/ref/fate/sws-pixdesc-query | 13 +++++++++++++
 5 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index e078fd5320..f7558ff8b9 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -2504,6 +2504,34 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         },
         .flags = AV_PIX_FMT_FLAG_ALPHA,
     },
+    [AV_PIX_FMT_RGBAF16BE] = {
+        .name = "rgbaf16be",
+        .nb_components = 4,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 8, 0, 0, 16 },       /* R */
+            { 0, 8, 2, 0, 16 },       /* G */
+            { 0, 8, 4, 0, 16 },       /* B */
+            { 0, 8, 6, 0, 16 },       /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
+                 AV_PIX_FMT_FLAG_ALPHA | AV_PIX_FMT_FLAG_FLOAT,
+    },
+    [AV_PIX_FMT_RGBAF16LE] = {
+        .name = "rgbaf16le",
+        .nb_components = 4,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 8, 0, 0, 16 },       /* R */
+            { 0, 8, 2, 0, 16 },       /* G */
+            { 0, 8, 4, 0, 16 },       /* B */
+            { 0, 8, 6, 0, 16 },       /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA |
+                 AV_PIX_FMT_FLAG_FLOAT,
+    },
 };
 
 static const char * const color_range_names[] = {
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 9d1fdaf82d..86c9bdefeb 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -369,6 +369,9 @@ enum AVPixelFormat {
 
     AV_PIX_FMT_VUYA,        ///< packed VUYA 4:4:4, 32bpp, VUYAVUYA...
 
+    AV_PIX_FMT_RGBAF16BE,   ///< IEEE-754 half precision packed RGBA 16:16:16:16, 64bpp, RGBARGBA..., big-endian
+    AV_PIX_FMT_RGBAF16LE,   ///< IEEE-754 half precision packed RGBA 16:16:16:16, 64bpp, RGBARGBA..., little-endian
+
     AV_PIX_FMT_NB         ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
 };
 
@@ -466,6 +469,8 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_P216       AV_PIX_FMT_NE(P216BE, P216LE)
 #define AV_PIX_FMT_P416       AV_PIX_FMT_NE(P416BE, P416LE)
 
+#define AV_PIX_FMT_RGBAF16    AV_PIX_FMT_NE(RGBAF16BE, RGBAF16LE)
+
 /**
   * Chromaticity coordinates of the source primaries.
   * These values match the ones defined by ISO/IEC 23091-2_2019 subclause 8.1 and ITU-T H.273.
diff --git a/libavutil/version.h b/libavutil/version.h
index ee43526dc6..f0a8b5c098 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,8 +79,8 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  57
-#define LIBAVUTIL_VERSION_MINOR  32
-#define LIBAVUTIL_VERSION_MICRO 101
+#define LIBAVUTIL_VERSION_MINOR  33
+#define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \
diff --git a/tests/ref/fate/imgutils b/tests/ref/fate/imgutils
index 4ec66febb8..01c9877de5 100644
--- a/tests/ref/fate/imgutils
+++ b/tests/ref/fate/imgutils
@@ -247,3 +247,5 @@ p216le          planes: 2, linesizes: 128 128   0   0, plane_sizes:  6144  6144
 p416be          planes: 2, linesizes: 128 256   0   0, plane_sizes:  6144 12288     0     0, plane_offsets:  6144     0     0, total_size: 18432
 p416le          planes: 2, linesizes: 128 256   0   0, plane_sizes:  6144 12288     0     0, plane_offsets:  6144     0     0, total_size: 18432
 vuya            planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
+rgbaf16be       planes: 1, linesizes: 512   0   0   0, plane_sizes: 24576     0     0     0, plane_offsets:     0     0     0, total_size: 24576
+rgbaf16le       planes: 1, linesizes: 512   0   0   0, plane_sizes: 24576     0     0     0, plane_offsets:     0     0     0, total_size: 24576
diff --git a/tests/ref/fate/sws-pixdesc-query b/tests/ref/fate/sws-pixdesc-query
index bd0f1fcb82..f79d99e513 100644
--- a/tests/ref/fate/sws-pixdesc-query
+++ b/tests/ref/fate/sws-pixdesc-query
@@ -21,6 +21,8 @@ is16BPS:
   rgb48le
   rgba64be
   rgba64le
+  rgbaf16be
+  rgbaf16le
   ya16be
   ya16le
   yuv420p16be
@@ -157,6 +159,7 @@ isBE:
   rgb555be
   rgb565be
   rgba64be
+  rgbaf16be
   x2bgr10be
   x2rgb10be
   xyz12be
@@ -479,6 +482,8 @@ isRGB:
   rgb8
   rgba64be
   rgba64le
+  rgbaf16be
+  rgbaf16le
   x2bgr10be
   x2bgr10le
   x2rgb10be
@@ -629,6 +634,8 @@ AnyRGB:
   rgb8
   rgba64be
   rgba64le
+  rgbaf16be
+  rgbaf16le
   x2bgr10be
   x2bgr10le
   x2rgb10be
@@ -655,6 +662,8 @@ ALPHA:
   rgb32_1
   rgba64be
   rgba64le
+  rgbaf16be
+  rgbaf16le
   vuya
   ya16be
   ya16le
@@ -739,6 +748,8 @@ Packed:
   rgb8
   rgba64be
   rgba64le
+  rgbaf16be
+  rgbaf16le
   uyvy422
   uyyvyy411
   vuya
@@ -918,6 +929,8 @@ PackedRGB:
   rgb8
   rgba64be
   rgba64le
+  rgbaf16be
+  rgbaf16le
   x2bgr10be
   x2bgr10le
   x2rgb10be
-- 
2.34.1

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^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [FFmpeg-devel] [PATCH] lavu/pixfmt: add packed RGBA float16 format
       [not found] ` <ebdb9a12-5a80-6714-172e-320fafd2d50a@gmx.net>
@ 2022-08-07 22:26   ` Timo Rothenpieler
  2022-08-07 22:32     ` Thomas Volkert
  0 siblings, 1 reply; 4+ messages in thread
From: Timo Rothenpieler @ 2022-08-07 22:26 UTC (permalink / raw)
  To: Thomas Volkert, FFmpeg development discussions and patches

On 08.08.2022 00:25, Thomas Volkert wrote:
> Hi Timo,
> 
> 
> Am 07.08.2022 um 22:14 schrieb Timo Rothenpieler:
>> This is the default format of the Windows compositor and what DXGI
>> Desktop Duplication will give you for any kind of HDR output.
>> ---
>>   libavutil/pixdesc.c              | 28 ++++++++++++++++++++++++++++
>>   libavutil/pixfmt.h               |  5 +++++
>>   libavutil/version.h              |  4 ++--
>>   tests/ref/fate/imgutils          |  2 ++
>>   tests/ref/fate/sws-pixdesc-query | 13 +++++++++++++
>>   5 files changed, 50 insertions(+), 2 deletions(-)
>>
>> diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
>> index e078fd5320..f7558ff8b9 100644
>> --- a/libavutil/pixdesc.c
>> +++ b/libavutil/pixdesc.c
>> @@ -2504,6 +2504,34 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
>>           },
>>           .flags = AV_PIX_FMT_FLAG_ALPHA,
>>       },
>> +    [AV_PIX_FMT_RGBAF16BE] = {
>> +        .name = "rgbaf16be",
>> +        .nb_components = 4,
>> +        .log2_chroma_w = 0,
>> +        .log2_chroma_h = 0,
>> +        .comp = {
>> +            { 0, 8, 0, 0, 16 },       /* R */
>> +            { 0, 8, 2, 0, 16 },       /* G */
>> +            { 0, 8, 4, 0, 16 },       /* B */
>> +            { 0, 8, 6, 0, 16 },       /* A */
>> +        },
>> +        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
>> +                 AV_PIX_FMT_FLAG_ALPHA | AV_PIX_FMT_FLAG_FLOAT,
>> +    },
>> +    [AV_PIX_FMT_RGBAF16LE] = {
>> +        .name = "rgbaf16le",
>> +        .nb_components = 4,
>> +        .log2_chroma_w = 0,
>> +        .log2_chroma_h = 0,
>> +        .comp = {
>> +            { 0, 8, 0, 0, 16 },       /* R */
>> +            { 0, 8, 2, 0, 16 },       /* G */
>> +            { 0, 8, 4, 0, 16 },       /* B */
>> +            { 0, 8, 6, 0, 16 },       /* A */
>> +        },
>> +        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA |
>> +                 AV_PIX_FMT_FLAG_FLOAT,
>> +    },
>>   };
> 
> [..]
> 
> 
> maybe I have missed something, but I wonder how this is different to 
> AV_PIX_FMT_RGBA64LE and AV_PIX_FMT_RGBA64BE?
> 
> BR, Thomas.

It's Float.
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^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [FFmpeg-devel] [PATCH] lavu/pixfmt: add packed RGBA float16 format
  2022-08-07 22:26   ` Timo Rothenpieler
@ 2022-08-07 22:32     ` Thomas Volkert
  0 siblings, 0 replies; 4+ messages in thread
From: Thomas Volkert @ 2022-08-07 22:32 UTC (permalink / raw)
  To: FFmpeg development discussions and patches


Am 08.08.2022 um 00:26 schrieb Timo Rothenpieler:
> On 08.08.2022 00:25, Thomas Volkert wrote:
>> Hi Timo,
>>
>>
>> Am 07.08.2022 um 22:14 schrieb Timo Rothenpieler:
>>> This is the default format of the Windows compositor and what DXGI
>>> Desktop Duplication will give you for any kind of HDR output.
>>> ---
>>>   libavutil/pixdesc.c              | 28 ++++++++++++++++++++++++++++
>>>   libavutil/pixfmt.h               |  5 +++++
>>>   libavutil/version.h              |  4 ++--
>>>   tests/ref/fate/imgutils          |  2 ++
>>>   tests/ref/fate/sws-pixdesc-query | 13 +++++++++++++
>>>   5 files changed, 50 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
>>> index e078fd5320..f7558ff8b9 100644
>>> --- a/libavutil/pixdesc.c
>>> +++ b/libavutil/pixdesc.c
>>> @@ -2504,6 +2504,34 @@ static const AVPixFmtDescriptor 
>>> av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
>>>           },
>>>           .flags = AV_PIX_FMT_FLAG_ALPHA,
>>>       },
>>> +    [AV_PIX_FMT_RGBAF16BE] = {
>>> +        .name = "rgbaf16be",
>>> +        .nb_components = 4,
>>> +        .log2_chroma_w = 0,
>>> +        .log2_chroma_h = 0,
>>> +        .comp = {
>>> +            { 0, 8, 0, 0, 16 },       /* R */
>>> +            { 0, 8, 2, 0, 16 },       /* G */
>>> +            { 0, 8, 4, 0, 16 },       /* B */
>>> +            { 0, 8, 6, 0, 16 },       /* A */
>>> +        },
>>> +        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
>>> +                 AV_PIX_FMT_FLAG_ALPHA | AV_PIX_FMT_FLAG_FLOAT,
>>> +    },
>>> +    [AV_PIX_FMT_RGBAF16LE] = {
>>> +        .name = "rgbaf16le",
>>> +        .nb_components = 4,
>>> +        .log2_chroma_w = 0,
>>> +        .log2_chroma_h = 0,
>>> +        .comp = {
>>> +            { 0, 8, 0, 0, 16 },       /* R */
>>> +            { 0, 8, 2, 0, 16 },       /* G */
>>> +            { 0, 8, 4, 0, 16 },       /* B */
>>> +            { 0, 8, 6, 0, 16 },       /* A */
>>> +        },
>>> +        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA |
>>> +                 AV_PIX_FMT_FLAG_FLOAT,
>>> +    },
>>>   };
>>
>> [..]
>>
>>
>> maybe I have missed something, but I wonder how this is different to 
>> AV_PIX_FMT_RGBA64LE and AV_PIX_FMT_RGBA64BE?
>>
>> BR, Thomas.
>
> It's Float.


Yep, it seems that I have completely ignored this part when I read this 
the first time. My bad.

BR.

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^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [FFmpeg-devel] [PATCH] lavu/pixfmt: add packed RGBA float16 format
  2022-08-07 20:14 [FFmpeg-devel] [PATCH] lavu/pixfmt: add packed RGBA float16 format Timo Rothenpieler
       [not found] ` <ebdb9a12-5a80-6714-172e-320fafd2d50a@gmx.net>
@ 2022-08-07 22:39 ` Thomas Volkert
  1 sibling, 0 replies; 4+ messages in thread
From: Thomas Volkert @ 2022-08-07 22:39 UTC (permalink / raw)
  To: ffmpeg-devel


Am 07.08.2022 um 22:14 schrieb Timo Rothenpieler:
> This is the default format of the Windows compositor and what DXGI
> Desktop Duplication will give you for any kind of HDR output.
> ---
>   libavutil/pixdesc.c              | 28 ++++++++++++++++++++++++++++
>   libavutil/pixfmt.h               |  5 +++++
>   libavutil/version.h              |  4 ++--
>   tests/ref/fate/imgutils          |  2 ++
>   tests/ref/fate/sws-pixdesc-query | 13 +++++++++++++
>   5 files changed, 50 insertions(+), 2 deletions(-)
>
> diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
> index e078fd5320..f7558ff8b9 100644
> --- a/libavutil/pixdesc.c
> +++ b/libavutil/pixdesc.c
> @@ -2504,6 +2504,34 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
>           },
>           .flags = AV_PIX_FMT_FLAG_ALPHA,
>       },
> +    [AV_PIX_FMT_RGBAF16BE] = {
> +        .name = "rgbaf16be",
> +        .nb_components = 4,
> +        .log2_chroma_w = 0,
> +        .log2_chroma_h = 0,
> +        .comp = {
> +            { 0, 8, 0, 0, 16 },       /* R */
> +            { 0, 8, 2, 0, 16 },       /* G */
> +            { 0, 8, 4, 0, 16 },       /* B */
> +            { 0, 8, 6, 0, 16 },       /* A */
> +        },
> +        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
> +                 AV_PIX_FMT_FLAG_ALPHA | AV_PIX_FMT_FLAG_FLOAT,
> +    },
> +    [AV_PIX_FMT_RGBAF16LE] = {
> +        .name = "rgbaf16le",
> +        .nb_components = 4,
> +        .log2_chroma_w = 0,
> +        .log2_chroma_h = 0,
> +        .comp = {
> +            { 0, 8, 0, 0, 16 },       /* R */
> +            { 0, 8, 2, 0, 16 },       /* G */
> +            { 0, 8, 4, 0, 16 },       /* B */
> +            { 0, 8, 6, 0, 16 },       /* A */
> +        },
> +        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA |
> +                 AV_PIX_FMT_FLAG_FLOAT,
> +    },
>   };
>
>   static const char * const color_range_names[] = {
> diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
> index 9d1fdaf82d..86c9bdefeb 100644
> --- a/libavutil/pixfmt.h
> +++ b/libavutil/pixfmt.h
> @@ -369,6 +369,9 @@ enum AVPixelFormat {
>
>       AV_PIX_FMT_VUYA,        ///< packed VUYA 4:4:4, 32bpp, VUYAVUYA...
>
> +    AV_PIX_FMT_RGBAF16BE,   ///< IEEE-754 half precision packed RGBA 16:16:16:16, 64bpp, RGBARGBA..., big-endian
> +    AV_PIX_FMT_RGBAF16LE,   ///< IEEE-754 half precision packed RGBA 16:16:16:16, 64bpp, RGBARGBA..., little-endian
> +
>       AV_PIX_FMT_NB         ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
>   };
>
> @@ -466,6 +469,8 @@ enum AVPixelFormat {
>   #define AV_PIX_FMT_P216       AV_PIX_FMT_NE(P216BE, P216LE)
>   #define AV_PIX_FMT_P416       AV_PIX_FMT_NE(P416BE, P416LE)
>
> +#define AV_PIX_FMT_RGBAF16    AV_PIX_FMT_NE(RGBAF16BE, RGBAF16LE)
> +
>   /**
>     * Chromaticity coordinates of the source primaries.
>     * These values match the ones defined by ISO/IEC 23091-2_2019 subclause 8.1 and ITU-T H.273.
> diff --git a/libavutil/version.h b/libavutil/version.h
> index ee43526dc6..f0a8b5c098 100644
> --- a/libavutil/version.h
> +++ b/libavutil/version.h
> @@ -79,8 +79,8 @@
>    */
>
>   #define LIBAVUTIL_VERSION_MAJOR  57
> -#define LIBAVUTIL_VERSION_MINOR  32
> -#define LIBAVUTIL_VERSION_MICRO 101
> +#define LIBAVUTIL_VERSION_MINOR  33
> +#define LIBAVUTIL_VERSION_MICRO 100
>
>   #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
>                                                  LIBAVUTIL_VERSION_MINOR, \
> diff --git a/tests/ref/fate/imgutils b/tests/ref/fate/imgutils
> index 4ec66febb8..01c9877de5 100644
> --- a/tests/ref/fate/imgutils
> +++ b/tests/ref/fate/imgutils
> @@ -247,3 +247,5 @@ p216le          planes: 2, linesizes: 128 128   0   0, plane_sizes:  6144  6144
>   p416be          planes: 2, linesizes: 128 256   0   0, plane_sizes:  6144 12288     0     0, plane_offsets:  6144     0     0, total_size: 18432
>   p416le          planes: 2, linesizes: 128 256   0   0, plane_sizes:  6144 12288     0     0, plane_offsets:  6144     0     0, total_size: 18432
>   vuya            planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
> +rgbaf16be       planes: 1, linesizes: 512   0   0   0, plane_sizes: 24576     0     0     0, plane_offsets:     0     0     0, total_size: 24576
> +rgbaf16le       planes: 1, linesizes: 512   0   0   0, plane_sizes: 24576     0     0     0, plane_offsets:     0     0     0, total_size: 24576
> diff --git a/tests/ref/fate/sws-pixdesc-query b/tests/ref/fate/sws-pixdesc-query
> index bd0f1fcb82..f79d99e513 100644
> --- a/tests/ref/fate/sws-pixdesc-query
> +++ b/tests/ref/fate/sws-pixdesc-query
> @@ -21,6 +21,8 @@ is16BPS:
>     rgb48le
>     rgba64be
>     rgba64le
> +  rgbaf16be
> +  rgbaf16le
>     ya16be
>     ya16le
>     yuv420p16be
> @@ -157,6 +159,7 @@ isBE:
>     rgb555be
>     rgb565be
>     rgba64be
> +  rgbaf16be
>     x2bgr10be
>     x2rgb10be
>     xyz12be
> @@ -479,6 +482,8 @@ isRGB:
>     rgb8
>     rgba64be
>     rgba64le
> +  rgbaf16be
> +  rgbaf16le
>     x2bgr10be
>     x2bgr10le
>     x2rgb10be
> @@ -629,6 +634,8 @@ AnyRGB:
>     rgb8
>     rgba64be
>     rgba64le
> +  rgbaf16be
> +  rgbaf16le
>     x2bgr10be
>     x2bgr10le
>     x2rgb10be
> @@ -655,6 +662,8 @@ ALPHA:
>     rgb32_1
>     rgba64be
>     rgba64le
> +  rgbaf16be
> +  rgbaf16le
>     vuya
>     ya16be
>     ya16le
> @@ -739,6 +748,8 @@ Packed:
>     rgb8
>     rgba64be
>     rgba64le
> +  rgbaf16be
> +  rgbaf16le
>     uyvy422
>     uyyvyy411
>     vuya
> @@ -918,6 +929,8 @@ PackedRGB:
>     rgb8
>     rgba64be
>     rgba64le
> +  rgbaf16be
> +  rgbaf16le
>     x2bgr10be
>     x2bgr10le
>     x2rgb10be


Lgtm.

BR,
Thomas.
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2022-08-07 20:14 [FFmpeg-devel] [PATCH] lavu/pixfmt: add packed RGBA float16 format Timo Rothenpieler
     [not found] ` <ebdb9a12-5a80-6714-172e-320fafd2d50a@gmx.net>
2022-08-07 22:26   ` Timo Rothenpieler
2022-08-07 22:32     ` Thomas Volkert
2022-08-07 22:39 ` Thomas Volkert

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