[{"id":28184,"web_url":"https://patchwork.libcamera.org/comment/28184/","msgid":"","date":"2023-11-27T17:14:28","subject":"Re: [libcamera-devel] [PATCH v3 7/7] documentation: Document vendor\n\tspecific controls and properties handling","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"content":"Hi Naush\n\nOn Fri, Nov 24, 2023 at 12:37:13PM +0000, Naushir Patuck via libcamera-devel wrote:\n> Add some documentation to the pipeline handler file describing how to\n> implement and handle vendor specific controls and properties with a\n> small example.\n>\n> Signed-off-by: Naushir Patuck \n> Reviewed-by: Laurent Pinchart \n> ---\n> Documentation/guides/pipeline-handler.rst | 48 +++++++++++++++++++++++\n> 1 file changed, 48 insertions(+)\n>\n> diff --git a/Documentation/guides/pipeline-handler.rst b/Documentation/guides/pipeline-handler.rst\n> index 66d428a19c4f..5a3d00b1b879 100644\n> --- a/Documentation/guides/pipeline-handler.rst\n> +++ b/Documentation/guides/pipeline-handler.rst\n> @@ -672,6 +672,54 @@ handling controls:\n> #include \n> #include \n>\n> +Vendor-specific controls and properties\n> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n> +\n> +Vendor-specific controls and properties must be defined in a separate YAML file\n> +and included in the build by defining the pipeline handler to file mapping in\n> +include/libcamera/meson.build.\n> +\n\nThe vendor-specific file has to be placed in src/libcamera I presume ?\nShould we specify that ?\n\n> +For example, adding a Raspberry Pi vendor control file for the PiSP pipeline\n> +handler is done with the following mapping:\n> +\n> +.. code-block:: meson\n> +\n> + controls_map = {\n> + 'controls': {\n> + 'draft': 'control_ids_draft.yaml',\n> + 'libcamera': 'control_ids.yaml',\n> + 'rpi/pisp': 'control_ids_rpi.yaml',\n\nShould we say this item has to match the pipeline option as specified\nin the meson build options ?\n\n> + },\n> +\n> + 'properties': {\n> + 'draft': 'property_ids_draft.yaml',\n> + 'libcamera': 'property_ids.yaml',\n> + }\n> + }\n> +\n> +Vendor-specific controls and properties must contain a `vendor: `\n> +tag in the YAML file. Every unique vendor tag must define a unique and\n> +non-overlapping range of reserved control IDs in src/libcamera/control_ranges.yaml.\n> +\n> +For example, the following block defines a vendor-specific control with the\n> +`rpi` vendor tag:\n> +\n> +.. code-block:: yaml\n> +\n> + vendor: rpi\n> + controls:\n> + - PispConfigDumpFile:\n> + type: string\n> + description: |\n> + Triggers the Raspberry Pi PiSP pipeline handler to generate a JSON\n> + formatted dump of the Backend configuration to the filename given by the\n> + value of the control.\n> +\n> +This controls will be generated in the vendor-specific namespace\n> +`libcamera::controls::rpi`. Additionally a `#define\n> +LIBCAMERA_HAS_RPI_VENDOR_CONTROLS` will be available to allow applications to\n> +test for the availability of these controls.\n> +\n> Generating a default configuration\n> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n>\n> --\n> 2.34.1\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 AD004BDE6B\n\tfor ;\n\tMon, 27 Nov 2023 17:14:33 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 10354629BC;\n\tMon, 27 Nov 2023 18:14:33 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 09100629B6\n\tfor ;\n\tMon, 27 Nov 2023 18:14:32 +0100 (CET)","from ideasonboard.com (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 4CF6D289;\n\tMon, 27 Nov 2023 18:13:57 +0100 (CET)"],"DKIM-Signature":["v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"BrXdiqa2\"; dkim-atps=neutral","Date":"Mon, 27 Nov 2023 18:14:28 +0100","To":"Naushir Patuck ","Message-ID":"","References":"<20231124123713.22519-1-naush@raspberrypi.com>\n\t<20231124123713.22519-8-naush@raspberrypi.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20231124123713.22519-8-naush@raspberrypi.com>","Subject":"Re: [libcamera-devel] [PATCH v3 7/7] documentation: Document vendor\n\tspecific controls and properties handling","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","From":"Jacopo Mondi via libcamera-devel ","Reply-To":"Jacopo Mondi ","Cc":"libcamera-devel@lists.libcamera.org","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":28201,"web_url":"https://patchwork.libcamera.org/comment/28201/","msgid":"","date":"2023-11-28T10:53:26","subject":"Re: [libcamera-devel] [PATCH v3 7/7] documentation: Document vendor\n\tspecific controls and properties handling","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/people/34/","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"content":"Hi Jacopo,\n\nThank you for the feedback!\n\nOn Mon, 27 Nov 2023 at 17:14, Jacopo Mondi\n wrote:\n>\n> Hi Naush\n>\n> On Fri, Nov 24, 2023 at 12:37:13PM +0000, Naushir Patuck via libcamera-devel wrote:\n> > Add some documentation to the pipeline handler file describing how to\n> > implement and handle vendor specific controls and properties with a\n> > small example.\n> >\n> > Signed-off-by: Naushir Patuck \n> > Reviewed-by: Laurent Pinchart \n> > ---\n> > Documentation/guides/pipeline-handler.rst | 48 +++++++++++++++++++++++\n> > 1 file changed, 48 insertions(+)\n> >\n> > diff --git a/Documentation/guides/pipeline-handler.rst b/Documentation/guides/pipeline-handler.rst\n> > index 66d428a19c4f..5a3d00b1b879 100644\n> > --- a/Documentation/guides/pipeline-handler.rst\n> > +++ b/Documentation/guides/pipeline-handler.rst\n> > @@ -672,6 +672,54 @@ handling controls:\n> > #include \n> > #include \n> >\n> > +Vendor-specific controls and properties\n> > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n> > +\n> > +Vendor-specific controls and properties must be defined in a separate YAML file\n> > +and included in the build by defining the pipeline handler to file mapping in\n> > +include/libcamera/meson.build.\n> > +\n>\n> The vendor-specific file has to be placed in src/libcamera I presume ?\n> Should we specify that ?\n\nSure, I'll specify the full path.\n\n>\n> > +For example, adding a Raspberry Pi vendor control file for the PiSP pipeline\n> > +handler is done with the following mapping:\n> > +\n> > +.. code-block:: meson\n> > +\n> > + controls_map = {\n> > + 'controls': {\n> > + 'draft': 'control_ids_draft.yaml',\n> > + 'libcamera': 'control_ids.yaml',\n> > + 'rpi/pisp': 'control_ids_rpi.yaml',\n>\n> Should we say this item has to match the pipeline option as specified\n> in the meson build options ?\n\nSounds reasonable. I'll make the change for the next version.\n\nRegards,\nNaush\n\n\n>\n> > + },\n> > +\n> > + 'properties': {\n> > + 'draft': 'property_ids_draft.yaml',\n> > + 'libcamera': 'property_ids.yaml',\n> > + }\n> > + }\n> > +\n> > +Vendor-specific controls and properties must contain a `vendor: `\n> > +tag in the YAML file. Every unique vendor tag must define a unique and\n> > +non-overlapping range of reserved control IDs in src/libcamera/control_ranges.yaml.\n> > +\n> > +For example, the following block defines a vendor-specific control with the\n> > +`rpi` vendor tag:\n> > +\n> > +.. code-block:: yaml\n> > +\n> > + vendor: rpi\n> > + controls:\n> > + - PispConfigDumpFile:\n> > + type: string\n> > + description: |\n> > + Triggers the Raspberry Pi PiSP pipeline handler to generate a JSON\n> > + formatted dump of the Backend configuration to the filename given by the\n> > + value of the control.\n> > +\n> > +This controls will be generated in the vendor-specific namespace\n> > +`libcamera::controls::rpi`. Additionally a `#define\n> > +LIBCAMERA_HAS_RPI_VENDOR_CONTROLS` will be available to allow applications to\n> > +test for the availability of these controls.\n> > +\n> > Generating a default configuration\n> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n> >\n> > --\n> > 2.34.1\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 A5FA1BDE6B\n\tfor ;\n\tTue, 28 Nov 2023 10:53:55 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 650C6629C3;\n\tTue, 28 Nov 2023 11:53:55 +0100 (CET)","from mail-yw1-x112f.google.com (mail-yw1-x112f.google.com\n\t[IPv6:2607:f8b0:4864:20::112f])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4F17D629BC\n\tfor ;\n\tTue, 28 Nov 2023 11:53:54 +0100 (CET)","by mail-yw1-x112f.google.com with SMTP id\n\t00721157ae682-5cc642e4c69so53319307b3.0\n\tfor ;\n\tTue, 28 Nov 2023 02:53:54 -0800 (PST)"],"DKIM-Signature":["v=1; 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charset=\"UTF-8\"","Subject":"Re: [libcamera-devel] [PATCH v3 7/7] documentation: Document vendor\n\tspecific controls and properties handling","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","From":"Naushir Patuck via libcamera-devel\n\t","Reply-To":"Naushir Patuck ","Cc":"libcamera-devel@lists.libcamera.org","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":28202,"web_url":"https://patchwork.libcamera.org/comment/28202/","msgid":"<170116916502.630990.17084038322369276987@ping.linuxembedded.co.uk>","date":"2023-11-28T10:59:25","subject":"Re: [libcamera-devel] [PATCH v3 7/7] documentation: Document vendor\n\tspecific controls and properties handling","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting Jacopo Mondi via libcamera-devel (2023-11-27 17:14:28)\n> Hi Naush\n> \n> On Fri, Nov 24, 2023 at 12:37:13PM +0000, Naushir Patuck via libcamera-devel wrote:\n> > Add some documentation to the pipeline handler file describing how to\n> > implement and handle vendor specific controls and properties with a\n> > small example.\n> >\n> > Signed-off-by: Naushir Patuck \n> > Reviewed-by: Laurent Pinchart \n> > ---\n> > Documentation/guides/pipeline-handler.rst | 48 +++++++++++++++++++++++\n> > 1 file changed, 48 insertions(+)\n> >\n> > diff --git a/Documentation/guides/pipeline-handler.rst b/Documentation/guides/pipeline-handler.rst\n> > index 66d428a19c4f..5a3d00b1b879 100644\n> > --- a/Documentation/guides/pipeline-handler.rst\n> > +++ b/Documentation/guides/pipeline-handler.rst\n> > @@ -672,6 +672,54 @@ handling controls:\n> > #include \n> > #include \n> >\n> > +Vendor-specific controls and properties\n> > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n> > +\n> > +Vendor-specific controls and properties must be defined in a separate YAML file\n> > +and included in the build by defining the pipeline handler to file mapping in\n> > +include/libcamera/meson.build.\n> > +\n> \n> The vendor-specific file has to be placed in src/libcamera I presume ?\n> Should we specify that ?\n> \n> > +For example, adding a Raspberry Pi vendor control file for the PiSP pipeline\n> > +handler is done with the following mapping:\n> > +\n> > +.. code-block:: meson\n> > +\n> > + controls_map = {\n> > + 'controls': {\n> > + 'draft': 'control_ids_draft.yaml',\n> > + 'libcamera': 'control_ids.yaml',\n> > + 'rpi/pisp': 'control_ids_rpi.yaml',\n> \n> Should we say this item has to match the pipeline option as specified\n> in the meson build options ?\n> \n> > + },\n> > +\n> > + 'properties': {\n> > + 'draft': 'property_ids_draft.yaml',\n> > + 'libcamera': 'property_ids.yaml',\n> > + }\n> > + }\n> > +\n> > +Vendor-specific controls and properties must contain a `vendor: `\n> > +tag in the YAML file. Every unique vendor tag must define a unique and\n> > +non-overlapping range of reserved control IDs in src/libcamera/control_ranges.yaml.\n> > +\n> > +For example, the following block defines a vendor-specific control with the\n> > +`rpi` vendor tag:\n> > +\n> > +.. code-block:: yaml\n> > +\n> > + vendor: rpi\n> > + controls:\n> > + - PispConfigDumpFile:\n> > + type: string\n> > + description: |\n> > + Triggers the Raspberry Pi PiSP pipeline handler to generate a JSON\n> > + formatted dump of the Backend configuration to the filename given by the\n> > + value of the control.\n> > +\n> > +This controls will be generated in the vendor-specific namespace\n\n/This controls/The controls/\n\nWith that and the above handled...\n\n\nReviewed-by: Kieran Bingham \n\n\n> > +`libcamera::controls::rpi`. Additionally a `#define\n> > +LIBCAMERA_HAS_RPI_VENDOR_CONTROLS` will be available to allow applications to\n> > +test for the availability of these controls.\n> > +\n> > Generating a default configuration\n> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n> >\n> > --\n> > 2.34.1\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 C37E0C31E9\n\tfor ;\n\tTue, 28 Nov 2023 10:59:30 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 60718629BC;\n\tTue, 28 Nov 2023 11:59:30 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 473D961DA5\n\tfor ;\n\tTue, 28 Nov 2023 11:59:28 +0100 (CET)","from pendragon.ideasonboard.com\n\t(aztw-30-b2-v4wan-166917-cust845.vm26.cable.virginm.net\n\t[82.37.23.78])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id DF15DBB2;\n\tTue, 28 Nov 2023 11:58:52 +0100 (CET)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1701169170;\n\tbh=kCVYz99ttPWzFUdLLPG3mLRdL/Z35txQQ/NsR25VZRQ=;\n\th=In-Reply-To:References:To:Date:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:\n\tFrom;\n\tb=V7zvhYrUhUOLo8mO+JtQVSsCdGqXxHQ7krCbbOX9cr0aOYjSm+CgfIaa/TXfFIuU2\n\t3YqiV7S7/Ao9z46+ButEYTjOdEIfm7/3yTZtvq4ju0YpBn7j69zGgs93CWTHuZj3f/\n\thMxJl3V/XoaPCir6zEJdi4uDRMVK8DGW3brogbWlN5LXrKn51MwYAH74eQOAKXsfI/\n\t772dg5ai2Sagpc8hKqwowweC6glSDV09O2bjIU0Qd1XIv4k5EtZ7v0Dqn8sOQsXqUc\n\tvmjj5oNZ+3H6D8nRrKaYM26gS/FnRVRlwGpvC2XG1TCRcAhPjgD7HyET3sGg7tHi0L\n\t1cEKUrAFtIATA==","v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1701169133;\n\tbh=kCVYz99ttPWzFUdLLPG3mLRdL/Z35txQQ/NsR25VZRQ=;\n\th=In-Reply-To:References:Subject:From:Cc:To:Date:From;\n\tb=V8v8TobXQ8oJ6OALqsWkqI1SBD0tDZU/AetSrxcgTMqk4tAX6zQVN35BuSQa7u+1B\n\tlQnGtflluev2IBSaQe26WRASF/SU3WjjnxYq1qo53ig1ncmGCh6BWkqiLinaDjav+E\n\tIsByuoaOGo+eQjVPbZze/g6UDmYQ3GX8rjQ20IY0="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"V8v8TobX\"; dkim-atps=neutral","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"","References":"<20231124123713.22519-1-naush@raspberrypi.com>\n\t<20231124123713.22519-8-naush@raspberrypi.com>\n\t","To":"Jacopo Mondi ,\n\tJacopo Mondi via libcamera-devel , \n\tNaushir Patuck ","Date":"Tue, 28 Nov 2023 10:59:25 +0000","Message-ID":"<170116916502.630990.17084038322369276987@ping.linuxembedded.co.uk>","User-Agent":"alot/0.10","Subject":"Re: [libcamera-devel] [PATCH v3 7/7] documentation: Document vendor\n\tspecific controls and properties handling","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","From":"Kieran Bingham via libcamera-devel\n\t","Reply-To":"Kieran Bingham ","Cc":"libcamera-devel@lists.libcamera.org","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]