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 E7181433B2 for ; Sat, 9 Jul 2022 19:40:51 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 599B168B625; Sat, 9 Jul 2022 22:40:49 +0300 (EEST) Received: from mail-yb1-f172.google.com (mail-yb1-f172.google.com [209.85.219.172]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 4A3D268B625 for ; Sat, 9 Jul 2022 22:40:43 +0300 (EEST) Received: by mail-yb1-f172.google.com with SMTP id h62so189098ybb.11 for ; Sat, 09 Jul 2022 12:40:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=HLmdnrvB3Uvq5Vs3qMW35i0D2lLoiXSAGNun6i2mSVs=; b=NxBjlsXQ06+N5XdGG1eaK9CwaWzhqvxdOJzlc8N7kKhKuRCXJdbIxlkIN7bJJeFEHF LlmmAuE9V4Jp1w1fuRso0BSAZITKbrZHiEjkfPJS0EO6Jp4yDUs1cjgz6F0QjUxGxr3U SiBsDxeGA0nHDPqxHyl7h2JZ7GqkKUMcgFJ9HEiA4MWylaHjEEwt+4vWfpeBQxd/zusi YSwIn9LUPeHi9Zipt9bAeBdW83/oei6IytxXJbnwJaNvTJqzrYXa8E+H7mPpE54Bj1av ChzP85ynWzAeO3CEbxcveQTh71fsLKf/QaoUugxL7SFmIdzhRZIftVG1ZJz+iJqgbB6J /z/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=HLmdnrvB3Uvq5Vs3qMW35i0D2lLoiXSAGNun6i2mSVs=; b=Zbh+09mKDhhFNGqaOghIOizguufjcwY/JbYRIgSjiAZK9a3hc+IlKU8/jpdTamqeFP m1G8cD/uz0k4mZS7wM/jhsb1QhRRzufnrQaFmlZSpwDgLQQqpiBUrv/7aLYFE4InxksL XzHuHBVdvvTXNfcbb05k6cAdxelqHDOHFoKXnq98O+nzMmOTsObmkZ4NBkI4/YLYjcRc qkKDzauDRZKI8za7q8RY93CwKg7bI0K49WCU0VVAnEXWn5vfWtCI5+mf8YPLW1Bw5OV9 hLNBZoKKRzIV60D8sRnzQMM2TGY44VqfJ5Id3Avfny0gffIkgXhCm3fsZz4IF4Xo3Hza uobQ== X-Gm-Message-State: AJIora/VGa2NYIZQmNR6jD4djOgRYqEM4v8FuNGnjibdrlc5JjMNGBKc ZUdG+NakMoV8h5nIlqDwdB+/Sdoy8tk3tALT2xbODF8Q X-Google-Smtp-Source: AGRyM1uRlGybtgDHmEhV/1T98mbcxaZhWLzphQt8dLBbCI5HvPFmYl1tLIHnvWTRG6FLoTIc/11roJTNZJigTpygQ8I= X-Received: by 2002:a5b:f8e:0:b0:66e:3b1b:813f with SMTP id q14-20020a5b0f8e000000b0066e3b1b813fmr10087774ybh.571.1657395641420; Sat, 09 Jul 2022 12:40:41 -0700 (PDT) MIME-Version: 1.0 References: <20220704162912.5577-1-ffmpeg@gyani.pro> <165718689777.31466.279724099132649515@lain.khirnov.net> <4695e134-a83f-fdb3-3c04-ed3b724a82c9@gyani.pro> In-Reply-To: <4695e134-a83f-fdb3-3c04-ed3b724a82c9@gyani.pro> From: Paul B Mahol Date: Sat, 9 Jul 2022 21:43:21 +0200 Message-ID: To: FFmpeg development discussions and patches X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [FFmpeg-devel] [PATCH v3] ffmpeg: add option -isync 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 Sat, Jul 9, 2022 at 8:28 PM Gyan Doshi wrote: > > > On 2022-07-08 09:26 am, Gyan Doshi wrote: > > > > > > On 2022-07-07 03:11 pm, Anton Khirnov wrote: > >> Quoting Gyan Doshi (2022-07-04 18:29:12) > >>> This is a per-file input option that adjusts an input's timestamps > >>> with reference to another input, so that emitted packet timestamps > >>> account for the difference between the start times of the two inputs. > >>> > >>> Typical use case is to sync two or more live inputs such as from > >>> capture > >>> devices. Both the target and reference input source timestamps > >>> should be > >>> based on the same clock source. > >>> > >>> If not all inputs have timestamps, the wallclock times at the time of > >>> reception of inputs shall be used. FFmpeg must have been compiled with > >>> thread support for this last case. > >> I'm wondering if simply using the other input's InputFile.ts_offset > >> wouldn't achieve the same effect with much less complexity. > > > > That's what I initially did. But since the code can also use two other > > sources for start times (start_time_realtime, first_pkt_wallclock), > > those intervals may not exactly match the difference between > > fmctx->start_times so I use a generic calculation. > > Plan to push on Monday, if no further changes. 5.1 is to be cut soon. > > Why big rush, its not so critical. Regards, > Gyan > _______________________________________________ > 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". > _______________________________________________ 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".