[libcamera-devel,v4,5/9] ipu3: Update IPAIPU3Interface::fillParamsBuffer with captureBufferId
diff mbox series

Message ID 20220802102943.3221109-6-chenghaoyang@google.com
State New
Headers show
Series
  • Use two imgus in ipu3 pipeline handler
Related show

Commit Message

Cheng-Hao Yang Aug. 2, 2022, 10:29 a.m. UTC
From: Harvey Yang <chenghaoyang@chromium.org>

This patch names the ipa interface |IPAIPU3Interface::fillParamsBuffer|
as |IPAIPU3Interface::fillParamsBuffers|, and add input |captureBufferId|
to fill the param buffer for the StillCapture stream as well.

Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
---
 include/libcamera/ipa/ipu3.mojom       |  2 +-
 src/ipa/ipu3/ipu3-ipa-design-guide.rst |  6 +++---
 src/ipa/ipu3/ipu3.cpp                  | 25 ++++++++++++++++++++-----
 src/libcamera/pipeline/ipu3/ipu3.cpp   |  3 ++-
 4 files changed, 26 insertions(+), 10 deletions(-)

Patch
diff mbox series

diff --git a/include/libcamera/ipa/ipu3.mojom b/include/libcamera/ipa/ipu3.mojom
index d1b1c6b8..1f337b1d 100644
--- a/include/libcamera/ipa/ipu3.mojom
+++ b/include/libcamera/ipa/ipu3.mojom
@@ -31,7 +31,7 @@  interface IPAIPU3Interface {
 	unmapBuffers(array<uint32> ids);
 
 	[async] queueRequest(uint32 frame, libcamera.ControlList controls);
-	[async] fillParamsBuffer(uint32 frame, uint32 bufferId);
+	[async] fillParamsBuffers(uint32 frame, uint32 bufferId, uint32 captureBufferId);
 	[async] processStatsBuffer(uint32 frame, int64 frameTimestamp,
 				   uint32 bufferId, libcamera.ControlList sensorControls);
 };
diff --git a/src/ipa/ipu3/ipu3-ipa-design-guide.rst b/src/ipa/ipu3/ipu3-ipa-design-guide.rst
index e724fdda..6e106a03 100644
--- a/src/ipa/ipu3/ipu3-ipa-design-guide.rst
+++ b/src/ipa/ipu3/ipu3-ipa-design-guide.rst
@@ -25,7 +25,7 @@  from applications, and managing events from the pipeline handler.
       └─┬───┬───┬──────┬────┬────┬────┬─┴────▼─┬──┘    1: init()
         │   │   │      │ ▲  │ ▲  │ ▲  │ ▲      │       2: configure()
         │1  │2  │3     │4│  │4│  │4│  │4│      │5      3: mapBuffers(), start()
-        │   │   │      │ │  │ │  │ │  │ │      │       4: (▼) queueRequest(), fillParamsBuffer(), processStatsBuffer()
+        │   │   │      │ │  │ │  │ │  │ │      │       4: (▼) queueRequest(), fillParamsBuffers(), processStatsBuffer()
         ▼   ▼   ▼      ▼ │  ▼ │  ▼ │  ▼ │      ▼          (▲) setSensorControls, paramsBufferReady, metadataReady Signals
       ┌──────────────────┴────┴────┴────┴─────────┐    5: stop(), unmapBuffers()
       │ IPU3 IPA                                  │
@@ -102,7 +102,7 @@  to operate when running:
 
 -  configure()
 -  queueRequest()
--  fillParamsBuffer()
+-  fillParamsBuffers()
 -  processStatsBuffer()
 
 The configuration phase allows the pipeline-handler to inform the IPA of
@@ -117,7 +117,7 @@  When configured, the IPA is notified by the pipeline handler of the
 Camera ``start()`` event, after which incoming requests will be queued
 for processing, requiring a parameter buffer (``ipu3_uapi_params``) to
 be populated for the ImgU. This is given to the IPA through
-``fillParamsBuffer()``, and then passed directly to each algorithm
+``fillParamsBuffers()``, and then passed directly to each algorithm
 through the ``prepare()`` call allowing the ISP configuration to be
 updated for the needs of each component that the algorithm is
 responsible for.
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index dd6cfd79..35c87785 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -82,14 +82,14 @@  namespace ipa::ipu3 {
  * parameter buffer, and adapting the settings of the sensor attached to the
  * IPU3 CIO2 through sensor-specific V4L2 controls.
  *
- * In fillParamsBuffer(), we populate the ImgU parameter buffer with
+ * In fillParamsBuffers(), we populate the ImgU parameter buffer with
  * settings to configure the device in preparation for handling the frame
  * queued in the Request.
  *
  * When the frame has completed processing, the ImgU will generate a statistics
  * buffer which is given to the IPA with processStatsBuffer(). In this we run the
  * algorithms to parse the statistics and cache any results for the next
- * fillParamsBuffer() call.
+ * fillParamsBuffers() call.
  *
  * The individual algorithms are split into modular components that are called
  * iteratively to allow them to process statistics from the ImgU in a defined
@@ -146,7 +146,8 @@  public:
 	void unmapBuffers(const std::vector<unsigned int> &ids) override;
 
 	void queueRequest(const uint32_t frame, const ControlList &controls) override;
-	void fillParamsBuffer(const uint32_t frame, const uint32_t bufferId) override;
+	void fillParamsBuffers(const uint32_t frame, const uint32_t bufferId,
+			      const uint32_t captureBufferId) override;
 	void processStatsBuffer(const uint32_t frame, const int64_t frameTimestamp,
 				const uint32_t bufferId,
 				const ControlList &sensorControls) override;
@@ -508,12 +509,14 @@  void IPAIPU3::unmapBuffers(const std::vector<unsigned int> &ids)
 /**
  * \brief Fill and return a buffer with ISP processing parameters for a frame
  * \param[in] frame The frame number
- * \param[in] bufferId ID of the parameter buffer to fill
+ * \param[in] bufferId ID of the video parameter buffer to fill
+ * \param[in] captureBufferId ID of the capture parameter buffer to fill
  *
  * Algorithms are expected to fill the IPU3 parameter buffer for the next
  * frame given their most recent processing of the ImgU statistics.
  */
-void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
+void IPAIPU3::fillParamsBuffers(const uint32_t frame, const uint32_t bufferId,
+			       const uint32_t captureBufferId)
 {
 	auto it = buffers_.find(bufferId);
 	if (it == buffers_.end()) {
@@ -536,6 +539,18 @@  void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
 	 */
 	params->use = {};
 
+	for (auto const &algo : algorithms_)
+		algo->prepare(context_, params);
+
+	// TODO: use different algorithms to set StillCapture params.
+	it = buffers_.find(captureBufferId);
+	if (it == buffers_.end()) {
+		LOG(IPAIPU3, Error) << "Could not find capture param buffer!";
+		return;
+	}
+	mem = it->second.planes()[0];
+	params = reinterpret_cast<ipu3_uapi_params *>(mem.data());
+	params->use = {};
 	for (auto const &algo : algorithms_)
 		algo->prepare(context_, params);
 
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 4efa1019..d0da146c 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -1416,7 +1416,8 @@  void IPU3CameraData::cio2BufferReady(FrameBuffer *buffer)
 	if (request->findBuffer(&rawStream_))
 		pipe()->completeBuffer(request, buffer);
 
-	ipa_->fillParamsBuffer(info->id, info->paramBuffer->cookie());
+	ipa_->fillParamsBuffers(info->id, info->paramBuffer->cookie(),
+				info->captureParamBuffer->cookie());
 }
 
 void IPU3CameraData::paramBufferReady(FrameBuffer *buffer)