{"id":18559,"url":"https://patchwork.libcamera.org/api/patches/18559/?format=json","web_url":"https://patchwork.libcamera.org/patch/18559/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20230426131057.21550-13-naush@raspberrypi.com>","date":"2023-04-26T13:10:56","name":"[libcamera-devel,12/13] pipeline: raspberrypi: Add stream flags to RPi::Stream","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"3f2cebf17483e86b537de9bec2d50475dfb649c8","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/people/34/?format=json","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/18559/mbox/","series":[{"id":3847,"url":"https://patchwork.libcamera.org/api/series/3847/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3847","date":"2023-04-26T13:10:44","name":"Raspberry Pi: Code refactoring","version":1,"mbox":"https://patchwork.libcamera.org/series/3847/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/18559/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/18559/checks/","tags":{},"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 D9E6FBDCBD\n\tfor ;\n\tWed, 26 Apr 2023 13:13:43 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby 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06:13:40 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Wed, 26 Apr 2023 14:10:56 +0100","Message-Id":"<20230426131057.21550-13-naush@raspberrypi.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20230426131057.21550-1-naush@raspberrypi.com>","References":"<20230426131057.21550-1-naush@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 12/13] pipeline: raspberrypi: Add stream\n\tflags to RPi::Stream","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 ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a flags_ field to indicate stream state information in RPi::Stream.\nThis replaces the existing external_ and importOnly_ boolean flags.\n\nSigned-off-by: Naushir Patuck \n---\n .../pipeline/rpi/common/pipeline_base.cpp | 8 ++--\n .../pipeline/rpi/common/rpi_stream.cpp | 40 ++++++++++--------\n .../pipeline/rpi/common/rpi_stream.h | 42 ++++++++++++-------\n src/libcamera/pipeline/rpi/vc4/vc4.cpp | 8 ++--\n 4 files changed, 60 insertions(+), 38 deletions(-)","diff":"diff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\nindex 012766b38c32..4d38d511c383 100644\n--- a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n+++ b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n@@ -31,6 +31,8 @@ using namespace RPi;\n \n LOG_DEFINE_CATEGORY(RPI)\n \n+using Flag = RPi::Stream::StreamFlag;\n+\n namespace {\n \n constexpr unsigned int defaultRawBitDepth = 12;\n@@ -504,7 +506,7 @@ int PipelineHandlerBase::configure(Camera *camera, CameraConfiguration *config)\n \t/* Start by freeing all buffers and reset the stream states. */\n \tdata->freeBuffers();\n \tfor (auto const stream : data->streams_)\n-\t\tstream->setExternal(false);\n+\t\tstream->clearFlags(Flag::External);\n \n \tstd::vector rawStreams, ispStreams;\n \tstd::optional packing;\n@@ -752,7 +754,7 @@ int PipelineHandlerBase::queueRequestDevice(Camera *camera, Request *request)\n \n \t/* Push all buffers supplied in the Request to the respective streams. */\n \tfor (auto stream : data->streams_) {\n-\t\tif (!stream->isExternal())\n+\t\tif (!(stream->getFlags() & Flag::External))\n \t\t\tcontinue;\n \n \t\tFrameBuffer *buffer = request->findBuffer(stream);\n@@ -931,7 +933,7 @@ int PipelineHandlerBase::queueAllBuffers(Camera *camera)\n \tint ret;\n \n \tfor (auto const stream : data->streams_) {\n-\t\tif (!stream->isExternal()) {\n+\t\tif (!(stream->getFlags() & Flag::External)) {\n \t\t\tret = stream->queueAllBuffers();\n \t\t\tif (ret < 0)\n \t\t\t\treturn ret;\ndiff --git a/src/libcamera/pipeline/rpi/common/rpi_stream.cpp b/src/libcamera/pipeline/rpi/common/rpi_stream.cpp\nindex b7e4130f5e56..c158843cb0ed 100644\n--- a/src/libcamera/pipeline/rpi/common/rpi_stream.cpp\n+++ b/src/libcamera/pipeline/rpi/common/rpi_stream.cpp\n@@ -14,6 +14,24 @@ LOG_DEFINE_CATEGORY(RPISTREAM)\n \n namespace RPi {\n \n+void Stream::setFlags(StreamFlags flags)\n+{\n+\tflags_ |= flags;\n+\n+\t/* Import streams cannot be external. */\n+\tASSERT(!(flags_ & StreamFlag::External) || !(flags_ & StreamFlag::ImportOnly));\n+}\n+\n+void Stream::clearFlags(StreamFlags flags)\n+{\n+\tflags_ &= ~flags;\n+}\n+\n+RPi::Stream::StreamFlags Stream::getFlags() const\n+{\n+\treturn flags_;\n+}\n+\n V4L2VideoDevice *Stream::dev() const\n {\n \treturn dev_.get();\n@@ -32,18 +50,6 @@ void Stream::resetBuffers()\n \t\tavailableBuffers_.push(buffer.get());\n }\n \n-void Stream::setExternal(bool external)\n-{\n-\t/* Import streams cannot be external. */\n-\tASSERT(!external || !importOnly_);\n-\texternal_ = external;\n-}\n-\n-bool Stream::isExternal() const\n-{\n-\treturn external_;\n-}\n-\n void Stream::setExportedBuffers(std::vector> *buffers)\n {\n \tfor (auto const &buffer : *buffers)\n@@ -57,7 +63,7 @@ const BufferMap &Stream::getBuffers() const\n \n unsigned int Stream::getBufferId(FrameBuffer *buffer) const\n {\n-\tif (importOnly_)\n+\tif (flags_ & StreamFlag::ImportOnly)\n \t\treturn 0;\n \n \t/* Find the buffer in the map, and return the buffer id. */\n@@ -88,7 +94,7 @@ int Stream::prepareBuffers(unsigned int count)\n {\n \tint ret;\n \n-\tif (!importOnly_) {\n+\tif (!(flags_ & StreamFlag::ImportOnly)) {\n \t\tif (count) {\n \t\t\t/* Export some frame buffers for internal use. */\n \t\t\tret = dev_->exportBuffers(count, &internalBuffers_);\n@@ -113,7 +119,7 @@ int Stream::prepareBuffers(unsigned int count)\n \t * \\todo Find a better heuristic, or, even better, an exact solution to\n \t * this issue.\n \t */\n-\tif (isExternal() || importOnly_)\n+\tif ((flags_ & StreamFlag::External) || (flags_ & StreamFlag::ImportOnly))\n \t\tcount = count * 2;\n \n \treturn dev_->importBuffers(count);\n@@ -160,7 +166,7 @@ int Stream::queueBuffer(FrameBuffer *buffer)\n \n void Stream::returnBuffer(FrameBuffer *buffer)\n {\n-\tif (!external_) {\n+\tif (!(flags_ & StreamFlag::External)) {\n \t\t/* For internal buffers, simply requeue back to the device. */\n \t\tqueueToDevice(buffer);\n \t\treturn;\n@@ -204,7 +210,7 @@ int Stream::queueAllBuffers()\n {\n \tint ret;\n \n-\tif (external_)\n+\tif (flags_ & StreamFlag::External)\n \t\treturn 0;\n \n \twhile (!availableBuffers_.empty()) {\ndiff --git a/src/libcamera/pipeline/rpi/common/rpi_stream.h b/src/libcamera/pipeline/rpi/common/rpi_stream.h\nindex b8c74de35863..6edd304bdfe2 100644\n--- a/src/libcamera/pipeline/rpi/common/rpi_stream.h\n+++ b/src/libcamera/pipeline/rpi/common/rpi_stream.h\n@@ -12,6 +12,7 @@\n #include \n #include \n \n+#include \n #include \n \n #include \"libcamera/internal/v4l2_videodevice.h\"\n@@ -37,25 +38,41 @@ enum BufferMask {\n class Stream : public libcamera::Stream\n {\n public:\n+\tenum class StreamFlag {\n+\t\tNone\t\t= 0,\n+\t\t/*\n+\t\t * Indicates that this stream only imports buffers, e.g. the ISP\n+\t\t * input stream.\n+\t\t */\n+\t\tImportOnly\t= (1 << 0),\n+\t\t/*\n+\t\t * Indicates that this stream is active externally, i.e. the\n+\t\t * buffers might be provided by (and returned to) the application.\n+\t\t */\n+\t\tExternal\t= (1 << 1),\n+\t};\n+\n+\tusing StreamFlags = Flags;\n+\n \tStream()\n-\t\t: id_(BufferMask::MaskID)\n+\t\t: flags_(StreamFlag::None), id_(BufferMask::MaskID)\n \t{\n \t}\n \n-\tStream(const char *name, MediaEntity *dev, bool importOnly = false)\n-\t\t: external_(false), importOnly_(importOnly), name_(name),\n+\tStream(const char *name, MediaEntity *dev, StreamFlags flags = StreamFlag::None)\n+\t\t: flags_(flags), name_(name),\n \t\t dev_(std::make_unique(dev)), id_(BufferMask::MaskID)\n \t{\n \t}\n \n+\tvoid setFlags(StreamFlags flags);\n+\tvoid clearFlags(StreamFlags flags);\n+\tStreamFlags getFlags() const;\n+\n \tV4L2VideoDevice *dev() const;\n \tconst std::string &name() const;\n-\tbool isImporter() const;\n \tvoid resetBuffers();\n \n-\tvoid setExternal(bool external);\n-\tbool isExternal() const;\n-\n \tvoid setExportedBuffers(std::vector> *buffers);\n \tconst BufferMap &getBuffers() const;\n \tunsigned int getBufferId(FrameBuffer *buffer) const;\n@@ -112,14 +129,7 @@ private:\n \tvoid clearBuffers();\n \tint queueToDevice(FrameBuffer *buffer);\n \n-\t/*\n-\t * Indicates that this stream is active externally, i.e. the buffers\n-\t * might be provided by (and returned to) the application.\n-\t */\n-\tbool external_;\n-\n-\t/* Indicates that this stream only imports buffers, e.g. ISP input. */\n-\tbool importOnly_;\n+\tStreamFlags flags_;\n \n \t/* Stream name identifier. */\n \tstd::string name_;\n@@ -182,4 +192,6 @@ public:\n \n } /* namespace RPi */\n \n+LIBCAMERA_FLAGS_ENABLE_OPERATORS(RPi::Stream::StreamFlag)\n+\n } /* namespace libcamera */\ndiff --git a/src/libcamera/pipeline/rpi/vc4/vc4.cpp b/src/libcamera/pipeline/rpi/vc4/vc4.cpp\nindex a085a06376a8..bd7bfb3a7663 100644\n--- a/src/libcamera/pipeline/rpi/vc4/vc4.cpp\n+++ b/src/libcamera/pipeline/rpi/vc4/vc4.cpp\n@@ -23,6 +23,8 @@ namespace libcamera {\n \n LOG_DECLARE_CATEGORY(RPI)\n \n+using Flag = RPi::Stream::StreamFlag;\n+\n namespace {\n \n enum class Unicam : unsigned int { Image, Embedded };\n@@ -320,7 +322,7 @@ int PipelineHandlerVc4::platformRegister(std::unique_ptr &camer\n \t}\n \n \t/* Tag the ISP input stream as an import stream. */\n-\tdata->isp_[Isp::Input] = RPi::Stream(\"ISP Input\", ispOutput0, true);\n+\tdata->isp_[Isp::Input] = RPi::Stream(\"ISP Input\", ispOutput0, Flag::ImportOnly);\n \tdata->isp_[Isp::Output0] = RPi::Stream(\"ISP Output0\", ispCapture1);\n \tdata->isp_[Isp::Output1] = RPi::Stream(\"ISP Output1\", ispCapture2);\n \tdata->isp_[Isp::Stats] = RPi::Stream(\"ISP Stats\", ispCapture3);\n@@ -502,7 +504,7 @@ int Vc4CameraData::platformConfigure(const V4L2SubdeviceFormat &sensorFormat,\n \t */\n \tif (!rawStreams.empty()) {\n \t\trawStreams[0].cfg->setStream(&unicam_[Unicam::Image]);\n-\t\tunicam_[Unicam::Image].setExternal(true);\n+\t\tunicam_[Unicam::Image].setFlags(Flag::External);\n \t}\n \n \tret = isp_[Isp::Input].dev()->setFormat(&unicamFormat);\n@@ -547,7 +549,7 @@ int Vc4CameraData::platformConfigure(const V4L2SubdeviceFormat &sensorFormat,\n \t\t\t<< ColorSpace::toString(cfg->colorSpace);\n \n \t\tcfg->setStream(stream);\n-\t\tstream->setExternal(true);\n+\t\tstream->setFlags(Flag::External);\n \t}\n \n \tispOutputTotal_ = outStreams.size();\n","prefixes":["libcamera-devel","12/13"]}