From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id C0C074CBD7 for ; Thu, 15 Aug 2024 08:11:06 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 63F2E68DB28; Thu, 15 Aug 2024 11:11:04 +0300 (EEST) Received: from mta-snd-w06.mail.nifty.com (mta-snd-w06.mail.nifty.com [106.153.227.38]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id A965F68D8FA for ; Thu, 15 Aug 2024 11:10:56 +0300 (EEST) Received: from [192.168.0.11] by mta-snd-w06.mail.nifty.com with ESMTP id <20240815081051887.SVSW.90861.[192.168.0.11]@nifty.com> for ; Thu, 15 Aug 2024 17:10:51 +0900 Message-ID: <0cbaa877-a264-4282-b408-9697602d054a@pc.nifty.jp> Date: Thu, 15 Aug 2024 17:10:48 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: TADANO Tokumei To: ffmpeg-devel@ffmpeg.org References: <20240803005601.44246-1-aimingoff@pc.nifty.jp> Content-Language: en-US In-Reply-To: <20240803005601.44246-1-aimingoff@pc.nifty.jp> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pc.nifty.jp; s=default-1th84yt82rvi; t=1723709452; bh=dN7GoYpT8sYSUI14Ng3tn3vcRwC+5It3OWVLZBagMTA=; h=Date:From:Subject:To:References:In-Reply-To; b=CecFP1CQEXK89FV5O+cJiEhBpMpzSUpYWbbMueAbcVnzF5u2Tgo3RqcTjbBC6yJ1x4iu8DxJ F5xcrNcDuJnKA6afHrVmK8ptxRelAu67SWD+nlO40RHnw37jusNFFOOxLsp8qkSlfPPRZwNsKJ 6ajhwyfoAxjvMfWZ9FLA+UsLP6eQKRnPmAMymh4IPHrYKbH/9pwwObqvZiIxemHONjwMa9wkW6 vvYBDzxi7v1ccvA3BSrkfeGAbAGgA0bJoERJmZ7PQS5dcg3kgNyuGslDHtqjk2BhGtOZZATvxR 1CqDCYLiL7RviRAFWQbEZ81ppgCBPtjZPxMTMNQspjKANRzA== Subject: Re: [FFmpeg-devel] [PATCH v4 0/1] lavfi/vf_gopromax_opencl: add GoPor Max 360 video filter X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: ping On 2024/08/03 9:56, TADANO Tokumei wrote: > This is updated patch of: > https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=3943 > I contacted to Ronan LE MEILLAT and agreed with him to submit new patch. > > Abstruct of GoPro Max .360 video file format is described in: > https://gopro.com/news/max-tech-specs-stitching-resolution > > The specification is little bit buggy. > The format is based on EAC (Equi-Angular Cubemap), and there are overlapped > pixels at boundaries of front and rear cams. > Probably, the desinger intended to add 2 x 32 (= total 64) ovelapped pixels. > But actual format has 2 x 64 pixels overlapped area. > Thus the width will be 2 x 32 pixels shorter than standard EAC format after > blending overlapped area. > > This filter blends overlapped area, stretches the width of the cube, > and combine two streams into single stream with standard format. > > v3: modifies `configure` file to add dependency on opencl. > v4: fix small difference from v360 filter in xyz_to_eac() The filter is not generic filter but for specific device. If there is no bad influence to other filters and/or codecs, please apply this patch. Sample .360 files of GoPro Max can be found at: https://bit.ly/x3vsmax https://drive.google.com/drive/folders/1h-ks7-jxV6uRE_pcrKMGsaIiPRjJ0eW Thanks, > TADANO Tokumei (1): > lavfi/vf_gopromax_opencl: add GoPro Max 360 video filter > > configure | 1 + > doc/filters.texi | 78 +++++++ > libavfilter/Makefile | 2 + > libavfilter/allfilters.c | 1 + > libavfilter/opencl/gopromax.cl | 282 +++++++++++++++++++++++++ > libavfilter/opencl_source.h | 1 + > libavfilter/vf_gopromax_opencl.c | 351 +++++++++++++++++++++++++++++++ > 7 files changed, 716 insertions(+) > create mode 100644 libavfilter/opencl/gopromax.cl > create mode 100644 libavfilter/vf_gopromax_opencl.c > _______________________________________________ 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".