[FFmpeg-devel] [PATCH] avcodec/videotoolboxenc: add CBP/CHP profile

[FFmpeg-devel] [PATCH] avcodec/videotoolboxenc: add CBP/CHP profile

[xufuji456]

The CBP/CHP profile has available with H264 in iOS 15.0.
Official Doc: https://developer.apple.com/documentation/videotoolbox/kvtprofilelevel_h264_constrainedbaseline_autolevel

Signed-off-by: xufuji456 <839789740@qq.com>
---
 libavcodec/videotoolboxenc.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index b017c90c36..6a9b19831b 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -108,6 +108,8 @@ static struct{
     CFStringRef kVTProfileLevel_H264_High_AutoLevel;
     CFStringRef kVTProfileLevel_H264_Extended_5_0;
     CFStringRef kVTProfileLevel_H264_Extended_AutoLevel;
+    CFStringRef kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
+    CFStringRef kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
 
     CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel;
     CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel;
@@ -171,6 +173,8 @@ static void loadVTEncSymbols(void){
     GET_SYM(kVTProfileLevel_H264_High_AutoLevel,     "H264_High_AutoLevel");
     GET_SYM(kVTProfileLevel_H264_Extended_5_0,       "H264_Extended_5_0");
     GET_SYM(kVTProfileLevel_H264_Extended_AutoLevel, "H264_Extended_AutoLevel");
+    GET_SYM(kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel, "H264_ConstrainedBaseline_AutoLevel");
+    GET_SYM(kVTProfileLevel_H264_ConstrainedHigh_AutoLevel,     "H264_ConstrainedHigh_AutoLevel");
 
     GET_SYM(kVTProfileLevel_HEVC_Main_AutoLevel,     "HEVC_Main_AutoLevel");
     GET_SYM(kVTProfileLevel_HEVC_Main10_AutoLevel,   "HEVC_Main10_AutoLevel");
@@ -743,8 +747,15 @@ static bool get_vt_h264_profile_level(AVCodecContext *avctx,
 
         case H264_PROF_BASELINE:
             switch (vtctx->level) {
-                case  0: *profile_level_val =
-                                  compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel; break;
+                case  0: {
+                    // check avctx->profile has been set constrained_baseline
+                    if (avctx->profile == FF_PROFILE_H264_CONSTRAINED_BASELINE) {
+                        *profile_level_val = compat_keys.kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
+                    } else {
+                        *profile_level_val = compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel;
+                    }
+                    break;
+                }
                 case 13: *profile_level_val = kVTProfileLevel_H264_Baseline_1_3;       break;
                 case 30: *profile_level_val = kVTProfileLevel_H264_Baseline_3_0;       break;
                 case 31: *profile_level_val = kVTProfileLevel_H264_Baseline_3_1;       break;
@@ -784,6 +795,15 @@ static bool get_vt_h264_profile_level(AVCodecContext *avctx,
 
         case H264_PROF_HIGH:
             switch (vtctx->level) {
+                case  0: {
+                    // check avctx->profile has been set constrained_high
+                    if (avctx->profile == (FF_PROFILE_H264_HIGH | FF_PROFILE_H264_CONSTRAINED)) {
+                        *profile_level_val = compat_keys.kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
+                    } else {
+                        *profile_level_val = compat_keys.kVTProfileLevel_H264_High_AutoLevel;
+                    }
+                    break;
+                }
                 case  0: *profile_level_val =
                                   compat_keys.kVTProfileLevel_H264_High_AutoLevel; break;
                 case 30: *profile_level_val =
-- 
2.32.0 (Apple Git-132)

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Re: [FFmpeg-devel] [PATCH] avcodec/videotoolboxenc: add CBP/CHP profile

[Rick Kern]

On Sun, May 21, 2023 at 7:22 AM xufuji456 <839789740@qq.com> wrote:

> The CBP/CHP profile has available with H264 in iOS 15.0.
> Official Doc:
> https://developer.apple.com/documentation/videotoolbox/kvtprofilelevel_h264_constrainedbaseline_autolevel
>
> Signed-off-by: xufuji456 <839789740@qq.com>
> ---
>  libavcodec/videotoolboxenc.c | 24 ++++++++++++++++++++++--
>  1 file changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
> index b017c90c36..6a9b19831b 100644
> --- a/libavcodec/videotoolboxenc.c
> +++ b/libavcodec/videotoolboxenc.c
> @@ -108,6 +108,8 @@ static struct{
>      CFStringRef kVTProfileLevel_H264_High_AutoLevel;
>      CFStringRef kVTProfileLevel_H264_Extended_5_0;
>      CFStringRef kVTProfileLevel_H264_Extended_AutoLevel;
> +    CFStringRef kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
> +    CFStringRef kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
>
>      CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel;
>      CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel;
> @@ -171,6 +173,8 @@ static void loadVTEncSymbols(void){
>      GET_SYM(kVTProfileLevel_H264_High_AutoLevel,
>  "H264_High_AutoLevel");
>      GET_SYM(kVTProfileLevel_H264_Extended_5_0,       "H264_Extended_5_0");
>      GET_SYM(kVTProfileLevel_H264_Extended_AutoLevel,
> "H264_Extended_AutoLevel");
> +    GET_SYM(kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel,
> "H264_ConstrainedBaseline_AutoLevel");
> +    GET_SYM(kVTProfileLevel_H264_ConstrainedHigh_AutoLevel,
>  "H264_ConstrainedHigh_AutoLevel");
>
>      GET_SYM(kVTProfileLevel_HEVC_Main_AutoLevel,
>  "HEVC_Main_AutoLevel");
>      GET_SYM(kVTProfileLevel_HEVC_Main10_AutoLevel,
>  "HEVC_Main10_AutoLevel");
> @@ -743,8 +747,15 @@ static bool get_vt_h264_profile_level(AVCodecContext
> *avctx,
>
>          case H264_PROF_BASELINE:
>              switch (vtctx->level) {
> -                case  0: *profile_level_val =
> -
> compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel; break;
> +                case  0: {
> +                    // check avctx->profile has been set
> constrained_baseline
> +                    if (avctx->profile ==
> FF_PROFILE_H264_CONSTRAINED_BASELINE) {
>
The profiles need to be added to the list of usable profiles in
h264_options so they can be used on the command line.

Using the FF_PROFILE_ constants doesn't follow the pattern of using the
profile constants defined in this file, but I like your approach better. To
keep things consistent, either remove the constants in VT_H264Profile and
VT_HEVCProfile and replace them with global constants, or I can follow up
with a patch.


> +                        *profile_level_val =
> compat_keys.kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
> +                    } else {
> +                        *profile_level_val =
> compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel;
> +                    }
> +                    break;
> +                }
>                  case 13: *profile_level_val =
> kVTProfileLevel_H264_Baseline_1_3;       break;
>                  case 30: *profile_level_val =
> kVTProfileLevel_H264_Baseline_3_0;       break;
>                  case 31: *profile_level_val =
> kVTProfileLevel_H264_Baseline_3_1;       break;
> @@ -784,6 +795,15 @@ static bool get_vt_h264_profile_level(AVCodecContext
> *avctx,
>
>          case H264_PROF_HIGH:
>              switch (vtctx->level) {
> +                case  0: {
> +                    // check avctx->profile has been set constrained_high
> +                    if (avctx->profile == (FF_PROFILE_H264_HIGH |
> FF_PROFILE_H264_CONSTRAINED)) {
> +                        *profile_level_val =
> compat_keys.kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
> +                    } else {
> +                        *profile_level_val =
> compat_keys.kVTProfileLevel_H264_High_AutoLevel;
> +                    }
> +                    break;
> +                }
>                  case  0: *profile_level_val =
>
>  compat_keys.kVTProfileLevel_H264_High_AutoLevel; break;
>
This duplicate case 0 can be removed.

                 case 30: *profile_level_val =
> --
> 2.32.0 (Apple Git-132)
>
>
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[FFmpeg-devel] =?gb18030?b?u9i4tKO6ICBbUEFUQ0hdIGF2Y29kZWMvdmlk?= =?gb18030?q?eotoolboxenc=3A_add_CBP/CHP_profile?=

[=?gb18030?B?0Oy4o8Kh?=]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="gb18030", Size: 8761 bytes --]

Thank you for your review, Kern.
I will remove VT_H264Profile and VT_HEVCProfile, replace with avctx->profile.
And submit a new patch of CBP/CHP after that.




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·¢¼þÈË:                                                                                                                        "FFmpeg development discussions and patches"                                                                                    <kernrj@gmail.com&gt;;
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ÊÕ¼þÈË:&nbsp;"Ð츣¡"<839789740@qq.com&gt;;
³­ËÍ:&nbsp;"ffmpeg-devel"<ffmpeg-devel@ffmpeg.org&gt;;
Ö÷Ìâ:&nbsp;Re: [FFmpeg-devel] [PATCH] avcodec/videotoolboxenc: add CBP/CHP profile



On Sun, May 21, 2023 at 7:226§2AM xufuji456 <839789740@qq.com&gt; wrote:

&gt; The CBP/CHP profile has available with H264 in iOS 15.0.
&gt; Official Doc:
&gt; https://developer.apple.com/documentation/videotoolbox/kvtprofilelevel_h264_constrainedbaseline_autolevel
&gt;
&gt; Signed-off-by: xufuji456 <839789740@qq.com&gt;
&gt; ---
&gt;&nbsp; libavcodec/videotoolboxenc.c | 24 ++++++++++++++++++++++--
&gt;&nbsp; 1 file changed, 22 insertions(+), 2 deletions(-)
&gt;
&gt; diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
&gt; index b017c90c36..6a9b19831b 100644
&gt; --- a/libavcodec/videotoolboxenc.c
&gt; +++ b/libavcodec/videotoolboxenc.c
&gt; @@ -108,6 +108,8 @@ static struct{
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_H264_High_AutoLevel;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_H264_Extended_5_0;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_H264_Extended_AutoLevel;
&gt; +&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
&gt; +&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
&gt;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel;
&gt; @@ -171,6 +173,8 @@ static void loadVTEncSymbols(void){
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_H264_High_AutoLevel,
&gt;&nbsp; "H264_High_AutoLevel");
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_H264_Extended_5_0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; "H264_Extended_5_0");
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_H264_Extended_AutoLevel,
&gt; "H264_Extended_AutoLevel");
&gt; +&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel,
&gt; "H264_ConstrainedBaseline_AutoLevel");
&gt; +&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_H264_ConstrainedHigh_AutoLevel,
&gt;&nbsp; "H264_ConstrainedHigh_AutoLevel");
&gt;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_HEVC_Main_AutoLevel,
&gt;&nbsp; "HEVC_Main_AutoLevel");
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GET_SYM(kVTProfileLevel_HEVC_Main10_AutoLevel,
&gt;&nbsp; "HEVC_Main10_AutoLevel");
&gt; @@ -743,8 +747,15 @@ static bool get_vt_h264_profile_level(AVCodecContext
&gt; *avctx,
&gt;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case H264_PROF_BASELINE:
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; switch (vtctx-&gt;level) {
&gt; -&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case&nbsp; 0: *profile_level_val =
&gt; -
&gt; compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel; break;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case&nbsp; 0: {
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // check avctx-&gt;profile has been set
&gt; constrained_baseline
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (avctx-&gt;profile ==
&gt; FF_PROFILE_H264_CONSTRAINED_BASELINE) {
&gt;
The profiles need to be added to the list of usable profiles in
h264_options so they can be used on the command line.

Using the FF_PROFILE_ constants doesn't follow the pattern of using the
profile constants defined in this file, but I like your approach better. To
keep things consistent, either remove the constants in VT_H264Profile and
VT_HEVCProfile and replace them with global constants, or I can follow up
with a patch.


&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *profile_level_val =
&gt; compat_keys.kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; } else {
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *profile_level_val =
&gt; compat_keys.kVTProfileLevel_H264_Baseline_AutoLevel;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case 13: *profile_level_val =
&gt; kVTProfileLevel_H264_Baseline_1_3;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case 30: *profile_level_val =
&gt; kVTProfileLevel_H264_Baseline_3_0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case 31: *profile_level_val =
&gt; kVTProfileLevel_H264_Baseline_3_1;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;
&gt; @@ -784,6 +795,15 @@ static bool get_vt_h264_profile_level(AVCodecContext
&gt; *avctx,
&gt;
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case H264_PROF_HIGH:
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; switch (vtctx-&gt;level) {
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case&nbsp; 0: {
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // check avctx-&gt;profile has been set constrained_high
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (avctx-&gt;profile == (FF_PROFILE_H264_HIGH |
&gt; FF_PROFILE_H264_CONSTRAINED)) {
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *profile_level_val =
&gt; compat_keys.kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; } else {
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *profile_level_val =
&gt; compat_keys.kVTProfileLevel_H264_High_AutoLevel;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;
&gt; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case&nbsp; 0: *profile_level_val =
&gt;
&gt;&nbsp; compat_keys.kVTProfileLevel_H264_High_AutoLevel; break;
&gt;
This duplicate case 0 can be removed.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; case 30: *profile_level_val =
&gt; --
&gt; 2.32.0 (Apple Git-132)
&gt;
&gt;
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