[{"id":4853,"web_url":"https://patchwork.libcamera.org/comment/4853/","msgid":"<20200519140236.GI470768@oden.dyn.berto.se>","date":"2020-05-19T14:02:36","subject":"Re: [libcamera-devel] [PATCH 1/2] libcamera: pipeline: simple:\n\tconverter: Add scaling support","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 2020-05-19 06:06:23 +0300, Laurent Pinchart wrote:\n> Extend the SimpleConverter to support scaling, with reporting of the\n> minimum and maximum output sizes supported for a given input size.\n> \n> Signed-off-by: Laurent Pinchart \n> ---\n> src/libcamera/pipeline/simple/converter.cpp | 67 ++++++++++++++++++---\n> src/libcamera/pipeline/simple/converter.h | 7 ++-\n> src/libcamera/pipeline/simple/simple.cpp | 2 +-\n> 3 files changed, 63 insertions(+), 13 deletions(-)\n> \n> diff --git a/src/libcamera/pipeline/simple/converter.cpp b/src/libcamera/pipeline/simple/converter.cpp\n> index 02443e7f78ed..e5e2f0fddb62 100644\n> --- a/src/libcamera/pipeline/simple/converter.cpp\n> +++ b/src/libcamera/pipeline/simple/converter.cpp\n> @@ -8,10 +8,12 @@\n> #include \"converter.h\"\n> \n> #include \n> +#include \n> \n> #include \n> #include \n> #include \n> +#include \n> \n> #include \"libcamera/internal/log.h\"\n> #include \"libcamera/internal/media_device.h\"\n> @@ -92,15 +94,60 @@ std::vector SimpleConverter::formats(PixelFormat input)\n> \treturn pixelFormats;\n> }\n> \n> -int SimpleConverter::configure(PixelFormat inputFormat,\n> -\t\t\t PixelFormat outputFormat, const Size &size)\n> +SizeRange SimpleConverter::sizes(const Size &input)\n> +{\n> +\tif (!m2m_)\n> +\t\treturn {};\n> +\n> +\t/*\n> +\t * Set the size on the input side (V4L2 output) of the converter to\n> +\t * enumerate the scaling capabilities on its output (V4L2 capture).\n> +\t */\n> +\tV4L2DeviceFormat format;\n> +\tformat.fourcc = V4L2PixelFormat();\n> +\tformat.size = input;\n> +\n> +\tint ret = m2m_->output()->setFormat(&format);\n> +\tif (ret < 0) {\n> +\t\tLOG(SimplePipeline, Error)\n> +\t\t\t<< \"Failed to set format: \" << strerror(-ret);\n> +\t\treturn {};\n> +\t}\n> +\n> +\tSizeRange sizes;\n> +\n> +\tformat.size = { 1, 1 };\n> +\tret = m2m_->capture()->setFormat(&format);\n> +\tif (ret < 0) {\n> +\t\tLOG(SimplePipeline, Error)\n> +\t\t\t<< \"Failed to set format: \" << strerror(-ret);\n> +\t\treturn {};\n> +\t}\n> +\n> +\tsizes.min = format.size;\n> +\n> +\tformat.size = { UINT_MAX, UINT_MAX };\n> +\tret = m2m_->capture()->setFormat(&format);\n> +\tif (ret < 0) {\n> +\t\tLOG(SimplePipeline, Error)\n> +\t\t\t<< \"Failed to set format: \" << strerror(-ret);\n> +\t\treturn {};\n> +\t}\n> +\n> +\tsizes.max = format.size;\n> +\n> +\treturn sizes;\n> +}\n> +\n> +int SimpleConverter::configure(PixelFormat inputFormat, const Size &inputSize,\n> +\t\t\t StreamConfiguration *cfg)\n> {\n> \tV4L2DeviceFormat format;\n> \tint ret;\n> \n> \tV4L2PixelFormat videoFormat = m2m_->output()->toV4L2PixelFormat(inputFormat);\n> \tformat.fourcc = videoFormat;\n> -\tformat.size = size;\n> +\tformat.size = inputSize;\n> \n> \tret = m2m_->output()->setFormat(&format);\n> \tif (ret < 0) {\n> @@ -109,18 +156,16 @@ int SimpleConverter::configure(PixelFormat inputFormat,\n> \t\treturn ret;\n> \t}\n> \n> -\tif (format.fourcc != videoFormat || format.size != size) {\n> +\tif (format.fourcc != videoFormat || format.size != inputSize) {\n> \t\tLOG(SimplePipeline, Error)\n> \t\t\t<< \"Input format not supported\";\n> \t\treturn -EINVAL;\n> \t}\n> \n> -\t/*\n> -\t * Set the pixel format on the output, the size is identical to the\n> -\t * input as we don't support scaling.\n> -\t */\n> -\tvideoFormat = m2m_->capture()->toV4L2PixelFormat(outputFormat);\n> +\t/* Set the pixel format and size on the output. */\n> +\tvideoFormat = m2m_->capture()->toV4L2PixelFormat(cfg->pixelFormat);\n> \tformat.fourcc = videoFormat;\n> +\tformat.size = cfg->size;\n> \n> \tret = m2m_->capture()->setFormat(&format);\n> \tif (ret < 0) {\n> @@ -129,12 +174,14 @@ int SimpleConverter::configure(PixelFormat inputFormat,\n> \t\treturn ret;\n> \t}\n> \n> -\tif (format.fourcc != videoFormat || format.size != size) {\n> +\tif (format.fourcc != videoFormat || format.size != cfg->size) {\n> \t\tLOG(SimplePipeline, Error)\n> \t\t\t<< \"Output format not supported\";\n> \t\treturn -EINVAL;\n> \t}\n> \n> +\tcfg->stride = format.planes[0].bpl;\n\nThis seems to be an unrelated change, but nice that it's fixed ;-)\n\nReviewed-by: Niklas Söderlund \n\n> +\n> \treturn 0;\n> }\n> \n> diff --git a/src/libcamera/pipeline/simple/converter.h b/src/libcamera/pipeline/simple/converter.h\n> index a33071fa8578..1f770eb844b5 100644\n> --- a/src/libcamera/pipeline/simple/converter.h\n> +++ b/src/libcamera/pipeline/simple/converter.h\n> @@ -20,6 +20,8 @@ namespace libcamera {\n> class FrameBuffer;\n> class MediaDevice;\n> struct Size;\n> +class SizeRange;\n> +struct StreamConfiguration;\n> class V4L2M2MDevice;\n> \n> class SimpleConverter\n> @@ -32,9 +34,10 @@ public:\n> \tvoid close();\n> \n> \tstd::vector formats(PixelFormat input);\n> +\tSizeRange sizes(const Size &input);\n> \n> -\tint configure(PixelFormat inputFormat, PixelFormat outputFormat,\n> -\t\t const Size &size);\n> +\tint configure(PixelFormat inputFormat, const Size &inputSize,\n> +\t\t StreamConfiguration *cfg);\n> \tint exportBuffers(unsigned int count,\n> \t\t\t std::vector> *buffers);\n> \n> diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\n> index 2565190082c8..b21ad82e1a05 100644\n> --- a/src/libcamera/pipeline/simple/simple.cpp\n> +++ b/src/libcamera/pipeline/simple/simple.cpp\n> @@ -554,7 +554,7 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)\n> \n> \tif (useConverter_) {\n> \t\tint ret = converter_->configure(pipeConfig.pixelFormat,\n> -\t\t\t\t\t\tcfg.pixelFormat, cfg.size);\n> +\t\t\t\t\t\tcfg.size, &cfg);\n> \t\tif (ret < 0) {\n> \t\t\tLOG(SimplePipeline, Error)\n> \t\t\t\t<< \"Unable to configure converter\";\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":"","Received":["from mail-lf1-x144.google.com (mail-lf1-x144.google.com\n\t[IPv6:2a00:1450:4864:20::144])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id E6D54603D9\n\tfor ;\n\tTue, 19 May 2020 16:02:38 +0200 (CEST)","by mail-lf1-x144.google.com with SMTP id w15so3979490lfe.11\n\tfor ;\n\tTue, 19 May 2020 07:02:38 -0700 (PDT)","from localhost (h-209-203.A463.priv.bahnhof.se. 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=?iso-8859-1?q?S=F6derlund?= ","To":"Laurent Pinchart ","Cc":"libcamera-devel@lists.libcamera.org","Message-ID":"<20200519140236.GI470768@oden.dyn.berto.se>","References":"<20200519030624.15985-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=iso-8859-1","Content-Disposition":"inline","Content-Transfer-Encoding":"8bit","In-Reply-To":"<20200519030624.15985-1-laurent.pinchart@ideasonboard.com>","Subject":"Re: [libcamera-devel] [PATCH 1/2] libcamera: pipeline: simple:\n\tconverter: Add scaling support","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","X-List-Received-Date":"Tue, 19 May 2020 14:02:39 -0000"}},{"id":4855,"web_url":"https://patchwork.libcamera.org/comment/4855/","msgid":"<20200519140310.GC3820@pendragon.ideasonboard.com>","date":"2020-05-19T14:03:10","subject":"Re: [libcamera-devel] [PATCH 1/2] libcamera: pipeline: simple:\n\tconverter: Add scaling support","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Niklas,\n\nOn Tue, May 19, 2020 at 04:02:36PM +0200, Niklas Söderlund wrote:\n> On 2020-05-19 06:06:23 +0300, Laurent Pinchart wrote:\n> > Extend the SimpleConverter to support scaling, with reporting of the\n> > minimum and maximum output sizes supported for a given input size.\n> > \n> > Signed-off-by: Laurent Pinchart \n> > ---\n> > src/libcamera/pipeline/simple/converter.cpp | 67 ++++++++++++++++++---\n> > src/libcamera/pipeline/simple/converter.h | 7 ++-\n> > src/libcamera/pipeline/simple/simple.cpp | 2 +-\n> > 3 files changed, 63 insertions(+), 13 deletions(-)\n> > \n> > diff --git a/src/libcamera/pipeline/simple/converter.cpp b/src/libcamera/pipeline/simple/converter.cpp\n> > index 02443e7f78ed..e5e2f0fddb62 100644\n> > --- a/src/libcamera/pipeline/simple/converter.cpp\n> > +++ b/src/libcamera/pipeline/simple/converter.cpp\n> > @@ -8,10 +8,12 @@\n> > #include \"converter.h\"\n> > \n> > #include \n> > +#include \n> > \n> > #include \n> > #include \n> > #include \n> > +#include \n> > \n> > #include \"libcamera/internal/log.h\"\n> > #include \"libcamera/internal/media_device.h\"\n> > @@ -92,15 +94,60 @@ std::vector SimpleConverter::formats(PixelFormat input)\n> > \treturn pixelFormats;\n> > }\n> > \n> > -int SimpleConverter::configure(PixelFormat inputFormat,\n> > -\t\t\t PixelFormat outputFormat, const Size &size)\n> > +SizeRange SimpleConverter::sizes(const Size &input)\n> > +{\n> > +\tif (!m2m_)\n> > +\t\treturn {};\n> > +\n> > +\t/*\n> > +\t * Set the size on the input side (V4L2 output) of the converter to\n> > +\t * enumerate the scaling capabilities on its output (V4L2 capture).\n> > +\t */\n> > +\tV4L2DeviceFormat format;\n> > +\tformat.fourcc = V4L2PixelFormat();\n> > +\tformat.size = input;\n> > +\n> > +\tint ret = m2m_->output()->setFormat(&format);\n> > +\tif (ret < 0) {\n> > +\t\tLOG(SimplePipeline, Error)\n> > +\t\t\t<< \"Failed to set format: \" << strerror(-ret);\n> > +\t\treturn {};\n> > +\t}\n> > +\n> > +\tSizeRange sizes;\n> > +\n> > +\tformat.size = { 1, 1 };\n> > +\tret = m2m_->capture()->setFormat(&format);\n> > +\tif (ret < 0) {\n> > +\t\tLOG(SimplePipeline, Error)\n> > +\t\t\t<< \"Failed to set format: \" << strerror(-ret);\n> > +\t\treturn {};\n> > +\t}\n> > +\n> > +\tsizes.min = format.size;\n> > +\n> > +\tformat.size = { UINT_MAX, UINT_MAX };\n> > +\tret = m2m_->capture()->setFormat(&format);\n> > +\tif (ret < 0) {\n> > +\t\tLOG(SimplePipeline, Error)\n> > +\t\t\t<< \"Failed to set format: \" << strerror(-ret);\n> > +\t\treturn {};\n> > +\t}\n> > +\n> > +\tsizes.max = format.size;\n> > +\n> > +\treturn sizes;\n> > +}\n> > +\n> > +int SimpleConverter::configure(PixelFormat inputFormat, const Size &inputSize,\n> > +\t\t\t StreamConfiguration *cfg)\n> > {\n> > \tV4L2DeviceFormat format;\n> > \tint ret;\n> > \n> > \tV4L2PixelFormat videoFormat = m2m_->output()->toV4L2PixelFormat(inputFormat);\n> > \tformat.fourcc = videoFormat;\n> > -\tformat.size = size;\n> > +\tformat.size = inputSize;\n> > \n> > \tret = m2m_->output()->setFormat(&format);\n> > \tif (ret < 0) {\n> > @@ -109,18 +156,16 @@ int SimpleConverter::configure(PixelFormat inputFormat,\n> > \t\treturn ret;\n> > \t}\n> > \n> > -\tif (format.fourcc != videoFormat || format.size != size) {\n> > +\tif (format.fourcc != videoFormat || format.size != inputSize) {\n> > \t\tLOG(SimplePipeline, Error)\n> > \t\t\t<< \"Input format not supported\";\n> > \t\treturn -EINVAL;\n> > \t}\n> > \n> > -\t/*\n> > -\t * Set the pixel format on the output, the size is identical to the\n> > -\t * input as we don't support scaling.\n> > -\t */\n> > -\tvideoFormat = m2m_->capture()->toV4L2PixelFormat(outputFormat);\n> > +\t/* Set the pixel format and size on the output. */\n> > +\tvideoFormat = m2m_->capture()->toV4L2PixelFormat(cfg->pixelFormat);\n> > \tformat.fourcc = videoFormat;\n> > +\tformat.size = cfg->size;\n> > \n> > \tret = m2m_->capture()->setFormat(&format);\n> > \tif (ret < 0) {\n> > @@ -129,12 +174,14 @@ int SimpleConverter::configure(PixelFormat inputFormat,\n> > \t\treturn ret;\n> > \t}\n> > \n> > -\tif (format.fourcc != videoFormat || format.size != size) {\n> > +\tif (format.fourcc != videoFormat || format.size != cfg->size) {\n> > \t\tLOG(SimplePipeline, Error)\n> > \t\t\t<< \"Output format not supported\";\n> > \t\treturn -EINVAL;\n> > \t}\n> > \n> > +\tcfg->stride = format.planes[0].bpl;\n> \n> This seems to be an unrelated change, but nice that it's fixed ;-)\n\nIndeed. I'll split it out to a separate patch.\n\n> Reviewed-by: Niklas Söderlund \n> \n> > +\n> > \treturn 0;\n> > }\n> > \n> > diff --git a/src/libcamera/pipeline/simple/converter.h b/src/libcamera/pipeline/simple/converter.h\n> > index a33071fa8578..1f770eb844b5 100644\n> > --- a/src/libcamera/pipeline/simple/converter.h\n> > +++ b/src/libcamera/pipeline/simple/converter.h\n> > @@ -20,6 +20,8 @@ namespace libcamera {\n> > class FrameBuffer;\n> > class MediaDevice;\n> > struct Size;\n> > +class SizeRange;\n> > +struct StreamConfiguration;\n> > class V4L2M2MDevice;\n> > \n> > class SimpleConverter\n> > @@ -32,9 +34,10 @@ public:\n> > \tvoid close();\n> > \n> > \tstd::vector formats(PixelFormat input);\n> > +\tSizeRange sizes(const Size &input);\n> > \n> > -\tint configure(PixelFormat inputFormat, PixelFormat outputFormat,\n> > -\t\t const Size &size);\n> > +\tint configure(PixelFormat inputFormat, const Size &inputSize,\n> > +\t\t StreamConfiguration *cfg);\n> > \tint exportBuffers(unsigned int count,\n> > \t\t\t std::vector> *buffers);\n> > \n> > diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\n> > index 2565190082c8..b21ad82e1a05 100644\n> > --- a/src/libcamera/pipeline/simple/simple.cpp\n> > +++ b/src/libcamera/pipeline/simple/simple.cpp\n> > @@ -554,7 +554,7 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)\n> > \n> > \tif (useConverter_) {\n> > \t\tint ret = converter_->configure(pipeConfig.pixelFormat,\n> > -\t\t\t\t\t\tcfg.pixelFormat, cfg.size);\n> > +\t\t\t\t\t\tcfg.size, &cfg);\n> > \t\tif (ret < 0) {\n> > \t\t\tLOG(SimplePipeline, Error)\n> > \t\t\t\t<< \"Unable to configure converter\";","headers":{"Return-Path":"","Received":["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 D5BDD603D9\n\tfor ;\n\tTue, 19 May 2020 16:03:36 +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 26BF930C;\n\tTue, 19 May 2020 16:03:36 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"DGNNCheA\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1589897016;\n\tbh=CdQDV9+QRFUbB/Ys0DdLRv+3HXZ56XRcfXGPvjYBTgc=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=DGNNCheA/tkig81zg1IJRgLxGyiH7dTGgVc6f81HzApwafCEfpdykSCXNl4ebE2BA\n\t0iovbbIFmXeBsumh3TCp08trk8W+V3sU41fuGyVIJpNU1zx+kGNdCrV6WIuVU68WY1\n\tddha23TIeXLkuK3cD4D0lajndRkC9bM3QrLHDGB8=","Date":"Tue, 19 May 2020 17:03:10 +0300","From":"Laurent Pinchart ","To":"Niklas =?utf-8?q?S=C3=B6derlund?= ","Cc":"libcamera-devel@lists.libcamera.org","Message-ID":"<20200519140310.GC3820@pendragon.ideasonboard.com>","References":"<20200519030624.15985-1-laurent.pinchart@ideasonboard.com>\n\t<20200519140236.GI470768@oden.dyn.berto.se>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","Content-Transfer-Encoding":"8bit","In-Reply-To":"<20200519140236.GI470768@oden.dyn.berto.se>","Subject":"Re: [libcamera-devel] [PATCH 1/2] libcamera: pipeline: simple:\n\tconverter: Add scaling support","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","X-List-Received-Date":"Tue, 19 May 2020 14:03:37 -0000"}}]