[{"id":10969,"web_url":"https://patchwork.libcamera.org/comment/10969/","msgid":"<20200629145638.GH1852218@oden.dyn.berto.se>","date":"2020-06-29T14:56:38","subject":"Re: [libcamera-devel] [PATCH v1 9/9] libcamera: pipeline:\n\traspberrypi: Don't handle any actions in stop state","submitter":{"id":5,"url":"https://patchwork.libcamera.org/api/people/5/","name":"Niklas Söderlund","email":"niklas.soderlund@ragnatech.se"},"content":"Hi Laurent,\n\nThanks for your work.\n\nOn 2020-06-29 02:19:34 +0300, Laurent Pinchart wrote:\n> The RPI_IPA_ACTION_V4L2_SET_ISP is handled regardless of the pipeline\n> handler state, but is only generated by the IPA when the pipeline is\n> running. Don't handle it in the stopped state, which simplifies the\n> handling of actions.\n> \n> Additionally, handleState() is a no-op when the state is State::Stopped,\n> so don't call it in that case.\n> \n> Signed-off-by: Laurent Pinchart \n\nReviewed-by: Niklas Söderlund \n\n> ---\n> .../pipeline/raspberrypi/raspberrypi.cpp | 25 +++++++------------\n> 1 file changed, 9 insertions(+), 16 deletions(-)\n> \n> diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> index 137e07379cf5..2a5d27fefe0c 100644\n> --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> @@ -1190,24 +1190,12 @@ int RPiCameraData::configureIPA()\n> void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData &action)\n> {\n> \t/*\n> -\t * The following actions can be handled when the pipeline handler is in\n> -\t * a stopped state.\n> +\t * Actions are only handled when the pipeline handler is not in a\n> +\t * stopped state.\n> \t */\n> -\tswitch (action.operation) {\n> -\tcase RPI_IPA_ACTION_V4L2_SET_ISP: {\n> -\t\tControlList controls = action.controls[0];\n> -\t\tisp_[Isp::Input].dev()->setControls(&controls);\n> -\t\tgoto done;\n> -\t}\n> -\t}\n> -\n> \tif (state_ == State::Stopped)\n> -\t\tgoto done;\n> +\t\treturn;\n> \n> -\t/*\n> -\t * The following actions must not be handled when the pipeline handler\n> -\t * is in a stopped state.\n> -\t */\n> \tswitch (action.operation) {\n> \tcase RPI_IPA_ACTION_V4L2_SET_STAGGERED: {\n> \t\tconst ControlList &controls = action.controls[0];\n> @@ -1216,6 +1204,12 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData\n> \t\tbreak;\n> \t}\n> \n> +\tcase RPI_IPA_ACTION_V4L2_SET_ISP: {\n> +\t\tControlList controls = action.controls[0];\n> +\t\tisp_[Isp::Input].dev()->setControls(&controls);\n> +\t\tbreak;\n> +\t}\n> +\n> \tcase RPI_IPA_ACTION_STATS_METADATA_COMPLETE: {\n> \t\tunsigned int bufferId = action.data[0];\n> \t\tFrameBuffer *buffer = isp_[Isp::Stats].getBuffers()->at(bufferId).get();\n> @@ -1253,7 +1247,6 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData\n> \t\tbreak;\n> \t}\n> \n> -done:\n> \thandleState();\n> }\n> \n> -- \n> Regards,\n> \n> Laurent Pinchart\n> \n> _______________________________________________\n> libcamera-devel mailing list\n> libcamera-devel@lists.libcamera.org\n> https://lists.libcamera.org/listinfo/libcamera-devel","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 1BF7ABF415\n\tfor ;\n\tMon, 29 Jun 2020 14:56:41 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DB38E609D6;\n\tMon, 29 Jun 2020 16:56:40 +0200 (CEST)","from mail-lf1-x142.google.com (mail-lf1-x142.google.com\n\t[IPv6:2a00:1450:4864:20::142])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 517EC603B4\n\tfor ;\n\tMon, 29 Jun 2020 16:56:40 +0200 (CEST)","by mail-lf1-x142.google.com with SMTP id g139so9233013lfd.10\n\tfor ;\n\tMon, 29 Jun 2020 07:56:40 -0700 (PDT)","from localhost (h-209-203.A463.priv.bahnhof.se. 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Don't handle it in the stopped state, which simplifies the\n> handling of actions.\n>\n> Additionally, handleState() is a no-op when the state is State::Stopped,\n> so don't call it in that case.\n>\n> Signed-off-by: Laurent Pinchart \n> ---\n> .../pipeline/raspberrypi/raspberrypi.cpp | 25 +++++++------------\n> 1 file changed, 9 insertions(+), 16 deletions(-)\n>\n> diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> index 137e07379cf5..2a5d27fefe0c 100644\n> --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> @@ -1190,24 +1190,12 @@ int RPiCameraData::configureIPA()\n> void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData &action)\n> {\n> /*\n> - * The following actions can be handled when the pipeline handler is in\n> - * a stopped state.\n> + * Actions are only handled when the pipeline handler is not in a\n> + * stopped state.\n> */\n> - switch (action.operation) {\n> - case RPI_IPA_ACTION_V4L2_SET_ISP: {\n> - ControlList controls = action.controls[0];\n> - isp_[Isp::Input].dev()->setControls(&controls);\n> - goto done;\n> - }\n> - }\n> -\n> if (state_ == State::Stopped)\n> - goto done;\n> + return;\n\nNot sure about this one. In a separate discussion, we are considering\npassing in a Request before the camera starts. In these cases, we do\nwant to allow the IPA to program the ISP and sensor with parameters\nwhile still in a stopped state, correct? I need to think this one\nthrough a bit more.\n\nRegards,\nNaush\n\n\n>\n> - /*\n> - * The following actions must not be handled when the pipeline handler\n> - * is in a stopped state.\n> - */\n> switch (action.operation) {\n> case RPI_IPA_ACTION_V4L2_SET_STAGGERED: {\n> const ControlList &controls = action.controls[0];\n> @@ -1216,6 +1204,12 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData\n> break;\n> }\n>\n> + case RPI_IPA_ACTION_V4L2_SET_ISP: {\n> + ControlList controls = action.controls[0];\n> + isp_[Isp::Input].dev()->setControls(&controls);\n> + break;\n> + }\n> +\n> case RPI_IPA_ACTION_STATS_METADATA_COMPLETE: {\n> unsigned int bufferId = action.data[0];\n> FrameBuffer *buffer = isp_[Isp::Stats].getBuffers()->at(bufferId).get();\n> @@ -1253,7 +1247,6 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData\n> break;\n> }\n>\n> -done:\n> handleState();\n> }\n>\n> --\n> Regards,\n>\n> Laurent Pinchart\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id E2151BF415\n\tfor ;\n\tMon, 29 Jun 2020 17:08:40 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7AA49603B2;\n\tMon, 29 Jun 2020 19:08:40 +0200 (CEST)","from mail-lj1-x244.google.com (mail-lj1-x244.google.com\n\t[IPv6:2a00:1450:4864:20::244])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id E7897603B2\n\tfor ;\n\tMon, 29 Jun 2020 19:08:38 +0200 (CEST)","by mail-lj1-x244.google.com with SMTP id 9so18912842ljc.8\n\tfor ;\n\tMon, 29 Jun 2020 10:08:38 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=raspberrypi.com header.i=@raspberrypi.com\n\theader.b=\"aakYsVEC\"; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":10985,"web_url":"https://patchwork.libcamera.org/comment/10985/","msgid":"<20200629203430.GR10681@pendragon.ideasonboard.com>","date":"2020-06-29T20:34:30","subject":"Re: [libcamera-devel] [PATCH v1 9/9] libcamera: pipeline:\n\traspberrypi: Don't handle any actions in stop state","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Naush,\n\nOn Mon, Jun 29, 2020 at 06:08:21PM +0100, Naushir Patuck wrote:\n> On Mon, 29 Jun 2020 at 00:19, Laurent Pinchart wrote:\n> >\n> > The RPI_IPA_ACTION_V4L2_SET_ISP is handled regardless of the pipeline\n> > handler state, but is only generated by the IPA when the pipeline is\n> > running. Don't handle it in the stopped state, which simplifies the\n> > handling of actions.\n> >\n> > Additionally, handleState() is a no-op when the state is State::Stopped,\n> > so don't call it in that case.\n> >\n> > Signed-off-by: Laurent Pinchart \n> > ---\n> > .../pipeline/raspberrypi/raspberrypi.cpp | 25 +++++++------------\n> > 1 file changed, 9 insertions(+), 16 deletions(-)\n> >\n> > diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> > index 137e07379cf5..2a5d27fefe0c 100644\n> > --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> > +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n> > @@ -1190,24 +1190,12 @@ int RPiCameraData::configureIPA()\n> > void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData &action)\n> > {\n> > /*\n> > - * The following actions can be handled when the pipeline handler is in\n> > - * a stopped state.\n> > + * Actions are only handled when the pipeline handler is not in a\n> > + * stopped state.\n> > */\n> > - switch (action.operation) {\n> > - case RPI_IPA_ACTION_V4L2_SET_ISP: {\n> > - ControlList controls = action.controls[0];\n> > - isp_[Isp::Input].dev()->setControls(&controls);\n> > - goto done;\n> > - }\n> > - }\n> > -\n> > if (state_ == State::Stopped)\n> > - goto done;\n> > + return;\n> \n> Not sure about this one. In a separate discussion, we are considering\n> passing in a Request before the camera starts. In these cases, we do\n> want to allow the IPA to program the ISP and sensor with parameters\n> while still in a stopped state, correct? I need to think this one\n> through a bit more.\n\nYou're right. Let's delay this patch until that discussion comes to a\nconclusion, there's no urgency. The s/goto done/return/ could probably\nstill be applied already, but I don't think it deserves a patch to fix\nit now.\n\n> > - /*\n> > - * The following actions must not be handled when the pipeline handler\n> > - * is in a stopped state.\n> > - */\n> > switch (action.operation) {\n> > case RPI_IPA_ACTION_V4L2_SET_STAGGERED: {\n> > const ControlList &controls = action.controls[0];\n> > @@ -1216,6 +1204,12 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData\n> > break;\n> > }\n> >\n> > + case RPI_IPA_ACTION_V4L2_SET_ISP: {\n> > + ControlList controls = action.controls[0];\n> > + isp_[Isp::Input].dev()->setControls(&controls);\n> > + break;\n> > + }\n> > +\n> > case RPI_IPA_ACTION_STATS_METADATA_COMPLETE: {\n> > unsigned int bufferId = action.data[0];\n> > FrameBuffer *buffer = isp_[Isp::Stats].getBuffers()->at(bufferId).get();\n> > @@ -1253,7 +1247,6 @@ void RPiCameraData::queueFrameAction(unsigned int frame, const IPAOperationData\n> > break;\n> > }\n> >\n> > -done:\n> > handleState();\n> > }\n> >","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id BE1EEBFFE2\n\tfor ;\n\tMon, 29 Jun 2020 20:34:35 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3400B609DD;\n\tMon, 29 Jun 2020 22:34:35 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id EEB88609C9\n\tfor ;\n\tMon, 29 Jun 2020 22:34:33 +0200 (CEST)","from pendragon.ideasonboard.com (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 78B01299;\n\tMon, 29 Jun 2020 22:34:33 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"NMvfXArW\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1593462873;\n\tbh=NBGgFTt1cdBoY2qGT/cKhCYvhNgOXkaborfVV+is5f4=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=NMvfXArW4jXMkXSlq7hDxBcn9zbCt3x/a/WWiKYth8zgUI19WKpeAPOoluHETl4r3\n\tZsQO2ymAuwxEEjmadEl8pIm2wsBXGzzDqflKDsAwkBpIxEXauhEUh1eILKUcbMDEAg\n\tS4V9Dl9uFDbGelJm3ISgqP2iCSApD+kQJawcEqrU=","Date":"Mon, 29 Jun 2020 23:34:30 +0300","From":"Laurent Pinchart ","To":"Naushir Patuck ","Message-ID":"<20200629203430.GR10681@pendragon.ideasonboard.com>","References":"<20200628231934.29025-1-laurent.pinchart@ideasonboard.com>\n\t<20200628231934.29025-10-laurent.pinchart@ideasonboard.com>\n\t","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"","Subject":"Re: [libcamera-devel] [PATCH v1 9/9] libcamera: pipeline:\n\traspberrypi: Don't handle any actions in stop state","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"libcamera-devel@lists.libcamera.org","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]