From 050440eed6ab90686df217f5ff7dea0b241e3898 Mon Sep 17 00:00:00 2001 From: Andrey Konovalov Date: Mon, 11 Mar 2024 15:15:15 +0100 Subject: [PATCH 11/21] libcamera: pipeline: simple: rename converterBuffers_ and related vars The converterBuffers_ and the converterQueue_ are not that specific to the Converter, and could be used by another entity doing the format conversion. Rename converterBuffers_, converterQueue_, and useConverter_ to conversionBuffers_, conversionQueue_ and useConversion_ to disassociate them from the Converter. Tested-by: Bryan O'Donoghue # sc8280xp Lenovo x13s Tested-by: Pavel Machek Reviewed-by: Kieran Bingham Reviewed-by: Pavel Machek Signed-off-by: Andrey Konovalov Signed-off-by: Hans de Goede --- src/libcamera/pipeline/simple/simple.cpp | 63 ++++++++++++------------ 1 file changed, 32 insertions(+), 31 deletions(-) diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp index a84f6760..78854ef8 100644 --- a/src/libcamera/pipeline/simple/simple.cpp +++ b/src/libcamera/pipeline/simple/simple.cpp @@ -269,17 +269,18 @@ public: std::vector configs_; std::map> formats_; + std::vector> conversionBuffers_; + std::queue> conversionQueue_; + bool useConversion_; + std::unique_ptr converter_; - std::vector> converterBuffers_; - bool useConverter_; - std::queue> converterQueue_; private: void tryPipeline(unsigned int code, const Size &size); static std::vector routedSourcePads(MediaPad *sink); - void converterInputDone(FrameBuffer *buffer); - void converterOutputDone(FrameBuffer *buffer); + void conversionInputDone(FrameBuffer *buffer); + void conversionOutputDone(FrameBuffer *buffer); }; class SimpleCameraConfiguration : public CameraConfiguration @@ -503,8 +504,8 @@ int SimpleCameraData::init() << "Failed to create converter, disabling format conversion"; converter_.reset(); } else { - converter_->inputBufferReady.connect(this, &SimpleCameraData::converterInputDone); - converter_->outputBufferReady.connect(this, &SimpleCameraData::converterOutputDone); + converter_->inputBufferReady.connect(this, &SimpleCameraData::conversionInputDone); + converter_->outputBufferReady.connect(this, &SimpleCameraData::conversionOutputDone); } } @@ -740,7 +741,7 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer) * point converting an erroneous buffer. */ if (buffer->metadata().status != FrameMetadata::FrameSuccess) { - if (!useConverter_) { + if (!useConversion_) { /* No conversion, just complete the request. */ Request *request = buffer->request(); pipe->completeBuffer(request, buffer); @@ -756,16 +757,16 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer) if (buffer->metadata().status != FrameMetadata::FrameCancelled) video_->queueBuffer(buffer); - if (converterQueue_.empty()) + if (conversionQueue_.empty()) return; Request *request = nullptr; - for (auto &item : converterQueue_.front()) { + for (auto &item : conversionQueue_.front()) { FrameBuffer *outputBuffer = item.second; request = outputBuffer->request(); pipe->completeBuffer(request, outputBuffer); } - converterQueue_.pop(); + conversionQueue_.pop(); if (request) pipe->completeRequest(request); @@ -782,9 +783,9 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer) */ Request *request = buffer->request(); - if (useConverter_ && !converterQueue_.empty()) { + if (useConversion_ && !conversionQueue_.empty()) { const std::map &outputs = - converterQueue_.front(); + conversionQueue_.front(); if (!outputs.empty()) { FrameBuffer *outputBuffer = outputs.begin()->second; if (outputBuffer) @@ -801,14 +802,14 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer) * conversion is needed. If there's no queued request, just requeue the * captured buffer for capture. */ - if (useConverter_) { - if (converterQueue_.empty()) { + if (useConversion_) { + if (conversionQueue_.empty()) { video_->queueBuffer(buffer); return; } - converter_->queueBuffers(buffer, converterQueue_.front()); - converterQueue_.pop(); + converter_->queueBuffers(buffer, conversionQueue_.front()); + conversionQueue_.pop(); return; } @@ -817,13 +818,13 @@ void SimpleCameraData::bufferReady(FrameBuffer *buffer) pipe->completeRequest(request); } -void SimpleCameraData::converterInputDone(FrameBuffer *buffer) +void SimpleCameraData::conversionInputDone(FrameBuffer *buffer) { /* Queue the input buffer back for capture. */ video_->queueBuffer(buffer); } -void SimpleCameraData::converterOutputDone(FrameBuffer *buffer) +void SimpleCameraData::conversionOutputDone(FrameBuffer *buffer) { SimplePipelineHandler *pipe = SimpleCameraData::pipe(); @@ -1189,14 +1190,14 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c) /* Configure the converter if needed. */ std::vector> outputCfgs; - data->useConverter_ = config->needConversion(); + data->useConversion_ = config->needConversion(); for (unsigned int i = 0; i < config->size(); ++i) { StreamConfiguration &cfg = config->at(i); cfg.setStream(&data->streams_[i]); - if (data->useConverter_) + if (data->useConversion_) outputCfgs.push_back(cfg); } @@ -1222,7 +1223,7 @@ int SimplePipelineHandler::exportFrameBuffers(Camera *camera, Stream *stream, * Export buffers on the converter or capture video node, depending on * whether the converter is used or not. */ - if (data->useConverter_) + if (data->useConversion_) return data->converter_->exportBuffers(data->streamIndex(stream), count, buffers); else @@ -1243,13 +1244,13 @@ int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlL return -EBUSY; } - if (data->useConverter_) { + if (data->useConversion_) { /* * When using the converter allocate a fixed number of internal * buffers. */ ret = video->allocateBuffers(kNumInternalBuffers, - &data->converterBuffers_); + &data->conversionBuffers_); } else { /* Otherwise, prepare for using buffers from the only stream. */ Stream *stream = &data->streams_[0]; @@ -1268,7 +1269,7 @@ int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlL return ret; } - if (data->useConverter_) { + if (data->useConversion_) { ret = data->converter_->start(); if (ret < 0) { stop(camera); @@ -1276,7 +1277,7 @@ int SimplePipelineHandler::start(Camera *camera, [[maybe_unused]] const ControlL } /* Queue all internal buffers for capture. */ - for (std::unique_ptr &buffer : data->converterBuffers_) + for (std::unique_ptr &buffer : data->conversionBuffers_) video->queueBuffer(buffer.get()); } @@ -1288,7 +1289,7 @@ void SimplePipelineHandler::stopDevice(Camera *camera) SimpleCameraData *data = cameraData(camera); V4L2VideoDevice *video = data->video_; - if (data->useConverter_) + if (data->useConversion_) data->converter_->stop(); video->streamOff(); @@ -1296,7 +1297,7 @@ void SimplePipelineHandler::stopDevice(Camera *camera) video->bufferReady.disconnect(data, &SimpleCameraData::bufferReady); - data->converterBuffers_.clear(); + data->conversionBuffers_.clear(); releasePipeline(data); } @@ -1314,7 +1315,7 @@ int SimplePipelineHandler::queueRequestDevice(Camera *camera, Request *request) * queue, it will be handed to the converter in the capture * completion handler. */ - if (data->useConverter_) { + if (data->useConversion_) { buffers.emplace(data->streamIndex(stream), buffer); } else { ret = data->video_->queueBuffer(buffer); @@ -1323,8 +1324,8 @@ int SimplePipelineHandler::queueRequestDevice(Camera *camera, Request *request) } } - if (data->useConverter_) - data->converterQueue_.push(std::move(buffers)); + if (data->useConversion_) + data->conversionQueue_.push(std::move(buffers)); return 0; } -- 2.43.2