* Re: [FFmpeg-devel] [PATCH] avcodec/evc: Remove redefine of HEVC_MAX_ENTRY_POINT_OFFSETS
2024-02-22 6:41 ` [FFmpeg-devel] [PATCH] avcodec/evc: Remove redefine of HEVC_MAX_ENTRY_POINT_OFFSETS Zhao Zhili
@ 2024-02-22 6:55 ` mypopy
2024-02-23 7:50 ` Dawid Kozinski/Multimedia (PLT) /SRPOL/Staff Engineer/Samsung Electronics
1 sibling, 0 replies; 3+ messages in thread
From: mypopy @ 2024-02-22 6:55 UTC (permalink / raw)
To: FFmpeg development discussions and patches
On Thu, Feb 22, 2024 at 2:42 PM Zhao Zhili <quinkblack@foxmail.com> wrote:
>
> From: Zhao Zhili <zhilizhao@tencent.com>
>
> ---
> libavcodec/evc.h | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/libavcodec/evc.h b/libavcodec/evc.h
> index 9711c760fe..e493455a42 100644
> --- a/libavcodec/evc.h
> +++ b/libavcodec/evc.h
> @@ -141,15 +141,6 @@ enum {
>
> // A.4.1: table A.1 allows at most 600 slice segments for any level.
> EVC_MAX_SLICE_SEGMENTS = 600,
> -
> - // 7.4.7.1: in the worst case (tiles_enabled_flag and
> - // entropy_coding_sync_enabled_flag are both set), entry points can be
> - // placed at the beginning of every Ctb row in every tile, giving an
> - // upper bound of (num_tile_columns_minus1 + 1) * PicHeightInCtbsY - 1.
> - // Only a stream with very high resolution and perverse parameters could
> - // get near that, though, so set a lower limit here with the maximum
> - // possible value for 4K video (at most 135 16x16 Ctb rows).
> - HEVC_MAX_ENTRY_POINT_OFFSETS = EVC_MAX_TILE_COLUMNS * 135,
> };
LGTM, thx
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [FFmpeg-devel] [PATCH] avcodec/evc: Remove redefine of HEVC_MAX_ENTRY_POINT_OFFSETS
2024-02-22 6:41 ` [FFmpeg-devel] [PATCH] avcodec/evc: Remove redefine of HEVC_MAX_ENTRY_POINT_OFFSETS Zhao Zhili
2024-02-22 6:55 ` mypopy
@ 2024-02-23 7:50 ` Dawid Kozinski/Multimedia (PLT) /SRPOL/Staff Engineer/Samsung Electronics
1 sibling, 0 replies; 3+ messages in thread
From: Dawid Kozinski/Multimedia (PLT) /SRPOL/Staff Engineer/Samsung Electronics @ 2024-02-23 7:50 UTC (permalink / raw)
To: 'FFmpeg development discussions and patches'; +Cc: 'Zhao Zhili'
> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of Zhao
> Zhili
> Sent: czwartek, 22 lutego 2024 07:42
> To: ffmpeg-devel@ffmpeg.org
> Cc: Zhao Zhili <zhilizhao@tencent.com>
> Subject: [FFmpeg-devel] [PATCH] avcodec/evc: Remove redefine of
> HEVC_MAX_ENTRY_POINT_OFFSETS
>
> From: Zhao Zhili <zhilizhao@tencent.com>
>
> ---
> libavcodec/evc.h | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/libavcodec/evc.h b/libavcodec/evc.h index
9711c760fe..e493455a42
> 100644
> --- a/libavcodec/evc.h
> +++ b/libavcodec/evc.h
> @@ -141,15 +141,6 @@ enum {
>
> // A.4.1: table A.1 allows at most 600 slice segments for any level.
> EVC_MAX_SLICE_SEGMENTS = 600,
> -
> - // 7.4.7.1: in the worst case (tiles_enabled_flag and
> - // entropy_coding_sync_enabled_flag are both set), entry points can
be
> - // placed at the beginning of every Ctb row in every tile, giving an
> - // upper bound of (num_tile_columns_minus1 + 1) * PicHeightInCtbsY -
1.
> - // Only a stream with very high resolution and perverse parameters
could
> - // get near that, though, so set a lower limit here with the maximum
> - // possible value for 4K video (at most 135 16x16 Ctb rows).
> - HEVC_MAX_ENTRY_POINT_OFFSETS = EVC_MAX_TILE_COLUMNS * 135,
I confirm, the definition and comment lines should be removed.
Thank you for removing it.
> };
>
> #endif // AVCODEC_EVC_H
> --
> 2.42.0
>
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^ permalink raw reply [flat|nested] 3+ messages in thread