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{
    "id": 19311,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/19311/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/19311/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20231212115046.102726-7-andrey.konovalov@linaro.org>",
    "date": "2023-12-12T11:50:45",
    "name": "[libcamera-devel,RFC,v2,6/7] libcamera: pipeline: simple: rename converterBuffers_ and related vars",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "16642e803066030722896c4032f4efe90926f50a",
    "submitter": {
        "id": 25,
        "url": "https://patchwork.libcamera.org/api/1.1/people/25/?format=api",
        "name": "Andrey Konovalov",
        "email": "andrey.konovalov@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/19311/mbox/",
    "series": [
        {
            "id": 4114,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4114/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4114",
            "date": "2023-12-12T11:50:39",
            "name": "libcamera: introduce Software ISP and Software IPA",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/4114/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/19311/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/19311/checks/",
    "tags": {},
    "headers": {
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 12 Dec 2023 14:50:45 +0300",
        "Message-Id": "<20231212115046.102726-7-andrey.konovalov@linaro.org>",
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        "Subject": "[libcamera-devel] [RFC PATCH v2 6/7] libcamera: pipeline: simple:\n\trename converterBuffers_ and related vars",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "Andrey Konovalov via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Andrey Konovalov <andrey.konovalov@linaro.org>",
        "Cc": "mripard@redhat.com, g.martti@gmail.com, t.langendam@gmail.com,\n\tsrinivas.kandagatla@linaro.org, pavel@ucw.cz,\n\tbryan.odonoghue@linaro.org, admin@dennisbonke.com",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The converterBuffers_ and the converterQueue_ are not that specific\nto the Converter, and could be used by another entity doing the format\nconversion.\n\nRename converterBuffers_, converterQueue_, and useConverter_ to\nconversionBuffers_, conversionQueue_ and useConversion_ to\ndisassociate them from the Converter.\n\nSigned-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>\n---\n src/libcamera/pipeline/simple/simple.cpp | 63 ++++++++++++------------\n 1 file changed, 32 insertions(+), 31 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex 911051b2..878794f6 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -269,17 +269,18 @@ public:\n \tstd::vector<Configuration> configs_;\n \tstd::map<PixelFormat, std::vector<const Configuration *>> formats_;\n \n+\tstd::vector<std::unique_ptr<FrameBuffer>> conversionBuffers_;\n+\tstd::queue<std::map<unsigned int, FrameBuffer *>> conversionQueue_;\n+\tbool useConversion_;\n+\n \tstd::unique_ptr<Converter> converter_;\n-\tstd::vector<std::unique_ptr<FrameBuffer>> converterBuffers_;\n-\tbool useConverter_;\n-\tstd::queue<std::map<unsigned int, FrameBuffer *>> converterQueue_;\n \n private:\n \tvoid tryPipeline(unsigned int code, const Size &size);\n \tstatic std::vector<const MediaPad *> routedSourcePads(MediaPad *sink);\n \n-\tvoid converterInputDone(FrameBuffer *buffer);\n-\tvoid converterOutputDone(FrameBuffer *buffer);\n+\tvoid conversionInputDone(FrameBuffer *buffer);\n+\tvoid conversionOutputDone(FrameBuffer *buffer);\n };\n \n class SimpleCameraConfiguration : public CameraConfiguration\n@@ -503,8 +504,8 @@ int SimpleCameraData::init()\n \t\t\t\t<< \"Failed to create converter, disabling format conversion\";\n \t\t\tconverter_.reset();\n \t\t} else {\n-\t\t\tconverter_->inputBufferReady.connect(this, &SimpleCameraData::converterInputDone);\n-\t\t\tconverter_->outputBufferReady.connect(this, &SimpleCameraData::converterOutputDone);\n+\t\t\tconverter_->inputBufferReady.connect(this, &SimpleCameraData::conversionInputDone);\n+\t\t\tconverter_->outputBufferReady.connect(this, &SimpleCameraData::conversionOutputDone);\n \t\t}\n \t}\n \n@@ -740,7 +741,7 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer)\n \t * point converting an erroneous buffer.\n \t */\n \tif (buffer->metadata().status != FrameMetadata::FrameSuccess) {\n-\t\tif (!useConverter_) {\n+\t\tif (!useConversion_) {\n \t\t\t/* No conversion, just complete the request. */\n \t\t\tRequest *request = buffer->request();\n \t\t\tpipe->completeBuffer(request, buffer);\n@@ -756,16 +757,16 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer)\n \t\tif (buffer->metadata().status != FrameMetadata::FrameCancelled)\n \t\t\tvideo_->queueBuffer(buffer);\n \n-\t\tif (converterQueue_.empty())\n+\t\tif (conversionQueue_.empty())\n \t\t\treturn;\n \n \t\tRequest *request = nullptr;\n-\t\tfor (auto &item : converterQueue_.front()) {\n+\t\tfor (auto &item : conversionQueue_.front()) {\n \t\t\tFrameBuffer *outputBuffer = item.second;\n \t\t\trequest = outputBuffer->request();\n \t\t\tpipe->completeBuffer(request, outputBuffer);\n \t\t}\n-\t\tconverterQueue_.pop();\n+\t\tconversionQueue_.pop();\n \n \t\tif (request)\n \t\t\tpipe->completeRequest(request);\n@@ -782,9 +783,9 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer)\n \t */\n \tRequest *request = buffer->request();\n \n-\tif (useConverter_ && !converterQueue_.empty()) {\n+\tif (useConversion_ && !conversionQueue_.empty()) {\n \t\tconst std::map<unsigned int, FrameBuffer *> &outputs =\n-\t\t\tconverterQueue_.front();\n+\t\t\tconversionQueue_.front();\n \t\tif (!outputs.empty()) {\n \t\t\tFrameBuffer *outputBuffer = outputs.begin()->second;\n \t\t\tif (outputBuffer)\n@@ -801,14 +802,14 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer)\n \t * conversion is needed. If there's no queued request, just requeue the\n \t * captured buffer for capture.\n \t */\n-\tif (useConverter_) {\n-\t\tif (converterQueue_.empty()) {\n+\tif (useConversion_) {\n+\t\tif (conversionQueue_.empty()) {\n \t\t\tvideo_->queueBuffer(buffer);\n \t\t\treturn;\n \t\t}\n \n-\t\tconverter_->queueBuffers(buffer, converterQueue_.front());\n-\t\tconverterQueue_.pop();\n+\t\tconverter_->queueBuffers(buffer, conversionQueue_.front());\n+\t\tconversionQueue_.pop();\n \t\treturn;\n \t}\n \n@@ -817,13 +818,13 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer)\n \tpipe->completeRequest(request);\n }\n \n-void SimpleCameraData::converterInputDone(FrameBuffer *buffer)\n+void SimpleCameraData::conversionInputDone(FrameBuffer *buffer)\n {\n \t/* Queue the input buffer back for capture. */\n \tvideo_->queueBuffer(buffer);\n }\n \n-void SimpleCameraData::converterOutputDone(FrameBuffer *buffer)\n+void SimpleCameraData::conversionOutputDone(FrameBuffer *buffer)\n {\n \tSimplePipelineHandler *pipe = SimpleCameraData::pipe();\n \n@@ -1156,14 +1157,14 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)\n \n \t/* Configure the converter if needed. */\n \tstd::vector<std::reference_wrapper<StreamConfiguration>> outputCfgs;\n-\tdata->useConverter_ = config->needConversion();\n+\tdata->useConversion_ = config->needConversion();\n \n \tfor (unsigned int i = 0; i < config->size(); ++i) {\n \t\tStreamConfiguration &cfg = config->at(i);\n \n \t\tcfg.setStream(&data->streams_[i]);\n \n-\t\tif (data->useConverter_)\n+\t\tif (data->useConversion_)\n \t\t\toutputCfgs.push_back(cfg);\n \t}\n \n@@ -1189,7 +1190,7 @@ int SimplePipelineHandler::exportFrameBuffers(Camera *camera, Stream *stream,\n \t * Export buffers on the converter or capture video node, depending on\n \t * whether the converter is used or not.\n \t */\n-\tif (data->useConverter_)\n+\tif (data->useConversion_)\n \t\treturn data->converter_->exportBuffers(data->streamIndex(stream),\n \t\t\t\t\t\t       count, buffers);\n \telse\n@@ -1210,13 +1211,13 @@ int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlL\n \t\treturn -EBUSY;\n \t}\n \n-\tif (data->useConverter_) {\n+\tif (data->useConversion_) {\n \t\t/*\n \t\t * When using the converter allocate a fixed number of internal\n \t\t * buffers.\n \t\t */\n \t\tret = video->allocateBuffers(kNumInternalBuffers,\n-\t\t\t\t\t     &data->converterBuffers_);\n+\t\t\t\t\t     &data->conversionBuffers_);\n \t} else {\n \t\t/* Otherwise, prepare for using buffers from the only stream. */\n \t\tStream *stream = &data->streams_[0];\n@@ -1235,7 +1236,7 @@ int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlL\n \t\treturn ret;\n \t}\n \n-\tif (data->useConverter_) {\n+\tif (data->useConversion_) {\n \t\tret = data->converter_->start();\n \t\tif (ret < 0) {\n \t\t\tstop(camera);\n@@ -1243,7 +1244,7 @@ int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlL\n \t\t}\n \n \t\t/* Queue all internal buffers for capture. */\n-\t\tfor (std::unique_ptr<FrameBuffer> &buffer : data->converterBuffers_)\n+\t\tfor (std::unique_ptr<FrameBuffer> &buffer : data->conversionBuffers_)\n \t\t\tvideo->queueBuffer(buffer.get());\n \t}\n \n@@ -1255,7 +1256,7 @@ void SimplePipelineHandler::stopDevice(Camera *camera)\n \tSimpleCameraData *data = cameraData(camera);\n \tV4L2VideoDevice *video = data->video_;\n \n-\tif (data->useConverter_)\n+\tif (data->useConversion_)\n \t\tdata->converter_->stop();\n \n \tvideo->streamOff();\n@@ -1263,7 +1264,7 @@ void SimplePipelineHandler::stopDevice(Camera *camera)\n \n \tvideo->bufferReady.disconnect(data, &SimpleCameraData::bufferReady);\n \n-\tdata->converterBuffers_.clear();\n+\tdata->conversionBuffers_.clear();\n \n \treleasePipeline(data);\n }\n@@ -1281,7 +1282,7 @@ int SimplePipelineHandler::queueRequestDevice(Camera *camera, Request *request)\n \t\t * queue, it will be handed to the converter in the capture\n \t\t * completion handler.\n \t\t */\n-\t\tif (data->useConverter_) {\n+\t\tif (data->useConversion_) {\n \t\t\tbuffers.emplace(data->streamIndex(stream), buffer);\n \t\t} else {\n \t\t\tret = data->video_->queueBuffer(buffer);\n@@ -1290,8 +1291,8 @@ int SimplePipelineHandler::queueRequestDevice(Camera *camera, Request *request)\n \t\t}\n \t}\n \n-\tif (data->useConverter_)\n-\t\tdata->converterQueue_.push(std::move(buffers));\n+\tif (data->useConversion_)\n+\t\tdata->conversionQueue_.push(std::move(buffers));\n \n \treturn 0;\n }\n",
    "prefixes": [
        "libcamera-devel",
        "RFC",
        "v2",
        "6/7"
    ]
}