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path: root/src/libcamera/pipeline/ipu3/ipu3.cpp
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Diffstat (limited to 'src/libcamera/pipeline/ipu3/ipu3.cpp')
-rw-r--r--src/libcamera/pipeline/ipu3/ipu3.cpp80
1 files changed, 60 insertions, 20 deletions
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index ade8ffbd..6961d498 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -66,6 +66,8 @@ public:
void cio2BufferReady(FrameBuffer *buffer);
void paramBufferReady(FrameBuffer *buffer);
void statBufferReady(FrameBuffer *buffer);
+ void queuePendingRequests();
+ void cancelPendingRequests();
CIO2Device cio2_;
ImgUDevice *imgu_;
@@ -84,6 +86,8 @@ public:
std::unique_ptr<ipa::ipu3::IPAProxyIPU3> ipa_;
+ std::queue<Request *> pendingRequests_;
+
private:
void queueFrameAction(unsigned int id,
const ipa::ipu3::IPU3Action &action);
@@ -764,6 +768,8 @@ void PipelineHandlerIPU3::stop(Camera *camera)
IPU3CameraData *data = cameraData(camera);
int ret = 0;
+ data->cancelPendingRequests();
+
data->ipa_->stop();
ret |= data->imgu_->stop();
@@ -774,32 +780,66 @@ void PipelineHandlerIPU3::stop(Camera *camera)
freeBuffers(camera);
}
-int PipelineHandlerIPU3::queueRequestDevice(Camera *camera, Request *request)
+void IPU3CameraData::cancelPendingRequests()
{
- IPU3CameraData *data = cameraData(camera);
+ while (!pendingRequests_.empty()) {
+ Request *request = pendingRequests_.front();
- IPU3Frames::Info *info = data->frameInfos_.create(request);
- if (!info)
- return -ENOBUFS;
+ for (auto it : request->buffers()) {
+ FrameBuffer *buffer = it.second;
+ buffer->cancel();
+ pipe_->completeBuffer(request, buffer);
+ }
- /*
- * Queue a buffer on the CIO2, using the raw stream buffer provided in
- * the request, if any, or a CIO2 internal buffer otherwise.
- */
- FrameBuffer *reqRawBuffer = request->findBuffer(&data->rawStream_);
- FrameBuffer *rawBuffer = data->cio2_.queueBuffer(request, reqRawBuffer);
- if (!rawBuffer) {
- data->frameInfos_.remove(info);
- return -ENOMEM;
+ pipe_->completeRequest(request);
+ pendingRequests_.pop();
}
+}
- info->rawBuffer = rawBuffer;
+void IPU3CameraData::queuePendingRequests()
+{
+ while (!pendingRequests_.empty()) {
+ Request *request = pendingRequests_.front();
- ipa::ipu3::IPU3Event ev;
- ev.op = ipa::ipu3::EventProcessControls;
- ev.frame = info->id;
- ev.controls = request->controls();
- data->ipa_->processEvent(ev);
+ IPU3Frames::Info *info = frameInfos_.create(request);
+ if (!info)
+ break;
+
+ /*
+ * Queue a buffer on the CIO2, using the raw stream buffer
+ * provided in the request, if any, or a CIO2 internal buffer
+ * otherwise.
+ */
+ FrameBuffer *reqRawBuffer = request->findBuffer(&rawStream_);
+ FrameBuffer *rawBuffer = cio2_.queueBuffer(request, reqRawBuffer);
+ /*
+ * \todo If queueBuffer fails in queuing a buffer to the device,
+ * report the request as error by cancelling the request and
+ * calling PipelineHandler::completeRequest().
+ */
+ if (!rawBuffer) {
+ frameInfos_.remove(info);
+ break;
+ }
+
+ info->rawBuffer = rawBuffer;
+
+ ipa::ipu3::IPU3Event ev;
+ ev.op = ipa::ipu3::EventProcessControls;
+ ev.frame = info->id;
+ ev.controls = request->controls();
+ ipa_->processEvent(ev);
+
+ pendingRequests_.pop();
+ }
+}
+
+int PipelineHandlerIPU3::queueRequestDevice(Camera *camera, Request *request)
+{
+ IPU3CameraData *data = cameraData(camera);
+
+ data->pendingRequests_.push(request);
+ data->queuePendingRequests();
return 0;
}

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