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 B251D457DA for ; Fri, 23 Jun 2023 11:37:15 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id EB77A68C19B; Fri, 23 Jun 2023 14:37:12 +0300 (EEST) Received: from mail-qv1-f45.google.com (mail-qv1-f45.google.com [209.85.219.45]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 550D7680969 for ; Fri, 23 Jun 2023 14:37:06 +0300 (EEST) Received: by mail-qv1-f45.google.com with SMTP id 6a1803df08f44-62ffe4cabc0so4692626d6.1 for ; Fri, 23 Jun 2023 04:37:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=obe-tv.20221208.gappssmtp.com; s=20221208; t=1687520224; x=1690112224; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=/osHr43uOSlXhf87+g4SYL3NMxEkn66Vv0YSo9q4Fbo=; b=QVMB7/XP4xFl1MHiLf9Y+3Z797R1W1mdGWu5nPfj5k2MyMI3MD4bc/e/rJK4Xa83i9 7jf9FAghaGr6Nie5k5Yrqrfuz8i08EJXonU+i4dy3ssXsGeUO/BAjXe/+uWR5jefGg65 bNEHnua5xkoTL/easi9pMlVc18w4K6kppRoauARh+IxSUytkhp7gNPdB7M84c3ixFSHt S2Rhw7jLGriy78CCSv5xA5O6bUxSDFSdABNA4Bdnoqd+iAbVjMsHrKN/RIDs9cHklCa6 9PNIjexCb/jYc51RCpybnt0eRAIHxqb5h/DTOO09E/VAkND1ozo1GICFgwX3B6NOfaLv vpBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687520224; x=1690112224; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=/osHr43uOSlXhf87+g4SYL3NMxEkn66Vv0YSo9q4Fbo=; b=gjy4s1A0XN0iHhgKS/XFhQxzQIrS59M6ARaH1c5er80qVJ31awX/FAfnUSmcpjxh+G zUk2IyzPM2dZsKFd66V7R2fmCglJv0x0eAPdc21oCLAFbvbEhWc1YtDtdQm/leAGv/uw y0+iiEEHDxvnCeh6T+QnkRy0Z+9y9wlQfOt7QkNhNsEwQz/RbIqCL4OynYqYrRFNjYKP uUzQnw5mkom+HQcCOdyw+gYjKKMNE4bNQ+HXILoTngF3Mp/d6Ew2oNQz9TbZZQI2BkHr dTSEwg66U+Jb72kOqDlFDagDjlMn5dkcAYbkQ3d5oljV0u6Qopq0HSkJ1GT8I8mFHDT3 JRRA== X-Gm-Message-State: AC+VfDxicIvsqT37DVdTpQhpojj28mIlwAbKzyvLDWhybYffxlHu3gVx mRBSmtOj6w1kvczMbPrLXO/5XLAM5o/0zhwRm7II7/uQzPG+lz9CT4V1nQ== X-Google-Smtp-Source: ACHHUZ75Btv02Pj28o+vxETaSIzwlneHiK9Ec5uBWuTrHGWkXmfmjVPjwubJxMRS4+4BF8S2ZgpDUZHg34vAaSg7b7c= X-Received: by 2002:a05:6214:2128:b0:62d:f521:55b0 with SMTP id r8-20020a056214212800b0062df52155b0mr29535613qvc.58.1687520224423; Fri, 23 Jun 2023 04:37:04 -0700 (PDT) MIME-Version: 1.0 References: <20230618222805.4054410-1-michael@niedermayer.cc> <20230623111728.GM3250409@pb2> In-Reply-To: <20230623111728.GM3250409@pb2> From: Kieran Kunhya Date: Fri, 23 Jun 2023 19:36:53 +0800 Message-ID: To: FFmpeg development discussions and patches X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [FFmpeg-devel] [PATCH v2] avformat: add Software Defined Radio support 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Fri, 23 Jun 2023, 19:17 Michael Niedermayer, wrote: > On Fri, Jun 23, 2023 at 10:34:10AM +0800, Kieran Kunhya wrote: > > FFmpeg is not the place for SDR. SDR is as large and complex as the > > entirety of multimedia. > > > > What next, is FFmpeg going to implement TCP in userspace, Wifi, Ethernet, > > an entire 4G and 5G stack? > > https://en.wikipedia.org/wiki/Straw_man It's not a straw man, I'm asking why you want to add layers far below multimedia to ffmpeg. All of those examples are similar examples of physical layers. > What my patch is doing is adding support for AM demodulation, the AM > specific code is like 2 pages. The future plan for FM demodulation will > not add alot of code either. DAB/DVB should also not be anything big > (if that is implemented at all by anyone) > If the code grows beyond that it could be split out into a seperate > library outside FFmpeg. > Then just put it in a library outside of FFmpeg to begin with. DVB-T2 and S2 are very complex to implement well. AM and FM are toys in comparison. > The size of all of SDR really has as much bearing on FFmpeg as the size > of all of mathematics has on the use of mathematics in FFmpeg. > I have no idea what this means, mathematics is needed in multimedia, SDR is not. > > All without any separation of layers (the problem you currently have)? > > Lets see where the review process leads to. > It is possible iam missing some things, its possible others are missing > some factors. > Ultimately sdr is more similar than it is different from existing input > devices and demuxers. > The review process may identify possible solutions that benefit other > input devices too. It might identify shortcommings in FFmpeg that > could lead to improvments. > I dont really enjoy the review process ATM, no ;) but lets see where it > leads to. > No input device needs to do active mathematical processing on the data at a analogue layer. SDR isn't similar at all. Kieran _______________________________________________ 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".