From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from pv33p04im-asmtp002.me.com ([17.143.181.11]:47320 "EHLO pv33p04im-asmtp002.me.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752962AbcIDT4E (ORCPT ); Sun, 4 Sep 2016 15:56:04 -0400 Received: from process-dkim-sign-daemon.pv33p04im-asmtp002.me.com by pv33p04im-asmtp002.me.com (Oracle Communications Messaging Server 7.0.5.38.0 64bit (built Feb 26 2016)) id <0OCZ00400WMQSG00@pv33p04im-asmtp002.me.com> for linux-media@vger.kernel.org; Sun, 04 Sep 2016 19:55:13 +0000 (GMT) Content-type: text/plain; charset=us-ascii MIME-version: 1.0 (1.0) Subject: Re: uvcvideo error on second capture from USB device, leading to V4L2_BUF_FLAG_ERROR From: Oliver Collyer In-reply-to: <20160904192538.75czuv7c2imru6ds@zver> Date: Sun, 04 Sep 2016 22:55:07 +0300 Cc: linux-media@vger.kernel.org Content-transfer-encoding: quoted-printable Message-id: <2C343957-781F-4169-BB0A-01A9F6A1EB32@mac.com> References: <20160904192538.75czuv7c2imru6ds@zver> To: Andrey Utkin Sender: linux-media-owner@vger.kernel.org List-ID: Hi Andrey I'm already building my own FFmpeg from git master but in any case it happen= s with the V4L2 API capture example in exactly the same way. I have rebuilt uvcvideo/v4l from media_build with same result but I'll try l= ater kernel. Regards Oliver > On 4 Sep 2016, at 22:25, Andrey Utkin wrote: >=20 > Hi! > Seems like weird error in V4L subsystem or in uvcvideo driver, in the > most standard usage scenario. > Please retry with kernel and FFmpeg as new as possible, best if compiled > from latest upstream sources. > For kernel please try release 4.7.2 or even linux-next > (git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git), for > FFmpeg please make a git clone from git://source.ffmpeg.org/ffmpeg.git > and there do "./configure && make" and run obtained "ffmpeg" binary. >=20 > Please CC me when you come back with your results. > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html