[libcamera-devel,v2,05/11] ipa: rkisp1: Introduce IPAContext
diff mbox series

Message ID 20211123091451.67404-6-jeanmichel.hautbois@ideasonboard.com
State Superseded
Headers show
Series
  • Introduce AGC for RkISP1
Related show

Commit Message

Jean-Michel Hautbois Nov. 23, 2021, 9:14 a.m. UTC
Before using any algorithm, we want the IPAContext to be ready for
those. Introduce the IPAContext following the existing design from
IPA::IPU3. Each algorithm will then introduce the needed fields.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/ipa/rkisp1/ipa_context.cpp | 58 ++++++++++++++++++++++++++++++++++
 src/ipa/rkisp1/ipa_context.h   | 30 ++++++++++++++++++
 src/ipa/rkisp1/meson.build     |  7 +++-
 src/ipa/rkisp1/rkisp1.cpp      |  7 ++++
 4 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100644 src/ipa/rkisp1/ipa_context.cpp
 create mode 100644 src/ipa/rkisp1/ipa_context.h

Comments

Laurent Pinchart Nov. 23, 2021, 10:57 a.m. UTC | #1
Hi Jean-Michel,

Thank you for the patch.

On Tue, Nov 23, 2021 at 10:14:45AM +0100, Jean-Michel Hautbois wrote:
> Before using any algorithm, we want the IPAContext to be ready for
> those. Introduce the IPAContext following the existing design from
> IPA::IPU3. Each algorithm will then introduce the needed fields.
> 
> Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
> ---
>  src/ipa/rkisp1/ipa_context.cpp | 58 ++++++++++++++++++++++++++++++++++
>  src/ipa/rkisp1/ipa_context.h   | 30 ++++++++++++++++++
>  src/ipa/rkisp1/meson.build     |  7 +++-
>  src/ipa/rkisp1/rkisp1.cpp      |  7 ++++
>  4 files changed, 101 insertions(+), 1 deletion(-)
>  create mode 100644 src/ipa/rkisp1/ipa_context.cpp
>  create mode 100644 src/ipa/rkisp1/ipa_context.h
> 
> diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp
> new file mode 100644
> index 00000000..819b2c73
> --- /dev/null
> +++ b/src/ipa/rkisp1/ipa_context.cpp
> @@ -0,0 +1,58 @@
> +/* SPDX-License-Identifier: LGPL-2.1-or-later */
> +/*
> + * Copyright (C) 2021, Ideas On Board
> + *
> + * ipa_context.cpp - RkISP1 IPA Context
> + */
> +
> +#include "ipa_context.h"
> +
> +/**
> + * \file ipa_context.h
> + * \brief Context and state information shared between the algorithms
> + */
> +
> +namespace libcamera::ipa::rkisp1 {
> +
> +/**
> + * \struct IPASessionConfiguration
> + * \brief Session configuration for the IPA module
> + *
> + * The session configuration contains all IPA configuration parameters that
> + * remain constant during the capture session, from IPA module start to stop.
> + * It is typically set during the configure() operation of the IPA module, but
> + * may also be updated in the start() operation.
> + */
> +
> +/**
> + * \struct IPAFrameContext
> + * \brief Per-frame context for algorithms
> + *
> + * The frame context stores data specific to a single frame processed by the
> + * IPA. Each frame processed by the IPA has a context associated with it,
> + * accessible through the IPAContext structure.
> + *
> + * \todo Detail how to access contexts for a particular frame
> + *
> + * Each of the fields in the frame context belongs to either a specific
> + * algorithm, or to the top-level IPA module. A field may be read by any
> + * algorithm, but should only be written by its owner.
> + */
> +
> +/**
> + * \struct IPAContext
> + * \brief Global IPA context data shared between all algorithms
> + *
> + * \var IPAContext::configuration
> + * \brief The IPA session configuration, immutable during the session
> + *
> + * \var IPAContext::frameContext
> + * \brief The frame context for the frame being processed
> + *
> + * \todo While the frame context is supposed to be per-frame, this
> + * single frame context stores data related to both the current frame
> + * and the previous frames, with fields being updated as the algorithms
> + * are run. This needs to be turned into real per-frame data storage.
> + */

It would be nice to avoid duplicating documentation, but we can start
with this.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> +
> +} /* namespace libcamera::ipa::rkisp1 */
> diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
> new file mode 100644
> index 00000000..ff40efe3
> --- /dev/null
> +++ b/src/ipa/rkisp1/ipa_context.h
> @@ -0,0 +1,30 @@
> +/* SPDX-License-Identifier: LGPL-2.1-or-later */
> +/*
> + * Copyright (C) 2021, Ideas On Board
> + *
> + * ipa_context.h - RkISP1 IPA Context
> + *
> + */
> +#ifndef __LIBCAMERA_RKISP1_IPA_CONTEXT_H__
> +#define __LIBCAMERA_RKISP1_IPA_CONTEXT_H__
> +
> +namespace libcamera {
> +
> +namespace ipa::rkisp1 {
> +
> +struct IPASessionConfiguration {
> +};
> +
> +struct IPAFrameContext {
> +};
> +
> +struct IPAContext {
> +	IPASessionConfiguration configuration;
> +	IPAFrameContext frameContext;
> +};
> +
> +} /* namespace ipa::rkisp1 */
> +
> +} /* namespace libcamera*/
> +
> +#endif /* __LIBCAMERA_RKISP1_IPA_CONTEXT_H__ */
> diff --git a/src/ipa/rkisp1/meson.build b/src/ipa/rkisp1/meson.build
> index f76b37f5..3683c922 100644
> --- a/src/ipa/rkisp1/meson.build
> +++ b/src/ipa/rkisp1/meson.build
> @@ -2,8 +2,13 @@
>  
>  ipa_name = 'ipa_rkisp1'
>  
> +rkisp1_ipa_sources = files([
> +    'ipa_context.cpp',
> +    'rkisp1.cpp',
> +])
> +
>  mod = shared_module(ipa_name,
> -                    ['rkisp1.cpp', libcamera_generated_ipa_headers],
> +                    [rkisp1_ipa_sources, libcamera_generated_ipa_headers],
>                      name_prefix : '',
>                      include_directories : [ipa_includes, libipa_includes],
>                      dependencies : libcamera_private,
> diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
> index 73a7f582..34c3f9a2 100644
> --- a/src/ipa/rkisp1/rkisp1.cpp
> +++ b/src/ipa/rkisp1/rkisp1.cpp
> @@ -25,6 +25,7 @@
>  
>  #include <libcamera/internal/mapped_framebuffer.h>
>  
> +#include "ipa_context.h"
>  #include "libipa/camera_sensor_helper.h"
>  
>  namespace libcamera {
> @@ -78,6 +79,9 @@ private:
>  
>  	/* Interface to the Camera Helper */
>  	std::unique_ptr<CameraSensorHelper> camHelper_;
> +
> +	/* Local parameter storage */
> +	struct IPAContext context_;
>  };
>  
>  int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
> @@ -164,6 +168,9 @@ int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
>  		<< "Exposure: " << minExposure_ << "-" << maxExposure_
>  		<< " Gain: " << minGain_ << "-" << maxGain_;
>  
> +	/* Clean context at configuration */
> +	context_ = {};
> +
>  	return 0;
>  }
>

Patch
diff mbox series

diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp
new file mode 100644
index 00000000..819b2c73
--- /dev/null
+++ b/src/ipa/rkisp1/ipa_context.cpp
@@ -0,0 +1,58 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Ideas On Board
+ *
+ * ipa_context.cpp - RkISP1 IPA Context
+ */
+
+#include "ipa_context.h"
+
+/**
+ * \file ipa_context.h
+ * \brief Context and state information shared between the algorithms
+ */
+
+namespace libcamera::ipa::rkisp1 {
+
+/**
+ * \struct IPASessionConfiguration
+ * \brief Session configuration for the IPA module
+ *
+ * The session configuration contains all IPA configuration parameters that
+ * remain constant during the capture session, from IPA module start to stop.
+ * It is typically set during the configure() operation of the IPA module, but
+ * may also be updated in the start() operation.
+ */
+
+/**
+ * \struct IPAFrameContext
+ * \brief Per-frame context for algorithms
+ *
+ * The frame context stores data specific to a single frame processed by the
+ * IPA. Each frame processed by the IPA has a context associated with it,
+ * accessible through the IPAContext structure.
+ *
+ * \todo Detail how to access contexts for a particular frame
+ *
+ * Each of the fields in the frame context belongs to either a specific
+ * algorithm, or to the top-level IPA module. A field may be read by any
+ * algorithm, but should only be written by its owner.
+ */
+
+/**
+ * \struct IPAContext
+ * \brief Global IPA context data shared between all algorithms
+ *
+ * \var IPAContext::configuration
+ * \brief The IPA session configuration, immutable during the session
+ *
+ * \var IPAContext::frameContext
+ * \brief The frame context for the frame being processed
+ *
+ * \todo While the frame context is supposed to be per-frame, this
+ * single frame context stores data related to both the current frame
+ * and the previous frames, with fields being updated as the algorithms
+ * are run. This needs to be turned into real per-frame data storage.
+ */
+
+} /* namespace libcamera::ipa::rkisp1 */
diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
new file mode 100644
index 00000000..ff40efe3
--- /dev/null
+++ b/src/ipa/rkisp1/ipa_context.h
@@ -0,0 +1,30 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Ideas On Board
+ *
+ * ipa_context.h - RkISP1 IPA Context
+ *
+ */
+#ifndef __LIBCAMERA_RKISP1_IPA_CONTEXT_H__
+#define __LIBCAMERA_RKISP1_IPA_CONTEXT_H__
+
+namespace libcamera {
+
+namespace ipa::rkisp1 {
+
+struct IPASessionConfiguration {
+};
+
+struct IPAFrameContext {
+};
+
+struct IPAContext {
+	IPASessionConfiguration configuration;
+	IPAFrameContext frameContext;
+};
+
+} /* namespace ipa::rkisp1 */
+
+} /* namespace libcamera*/
+
+#endif /* __LIBCAMERA_RKISP1_IPA_CONTEXT_H__ */
diff --git a/src/ipa/rkisp1/meson.build b/src/ipa/rkisp1/meson.build
index f76b37f5..3683c922 100644
--- a/src/ipa/rkisp1/meson.build
+++ b/src/ipa/rkisp1/meson.build
@@ -2,8 +2,13 @@ 
 
 ipa_name = 'ipa_rkisp1'
 
+rkisp1_ipa_sources = files([
+    'ipa_context.cpp',
+    'rkisp1.cpp',
+])
+
 mod = shared_module(ipa_name,
-                    ['rkisp1.cpp', libcamera_generated_ipa_headers],
+                    [rkisp1_ipa_sources, libcamera_generated_ipa_headers],
                     name_prefix : '',
                     include_directories : [ipa_includes, libipa_includes],
                     dependencies : libcamera_private,
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index 73a7f582..34c3f9a2 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -25,6 +25,7 @@ 
 
 #include <libcamera/internal/mapped_framebuffer.h>
 
+#include "ipa_context.h"
 #include "libipa/camera_sensor_helper.h"
 
 namespace libcamera {
@@ -78,6 +79,9 @@  private:
 
 	/* Interface to the Camera Helper */
 	std::unique_ptr<CameraSensorHelper> camHelper_;
+
+	/* Local parameter storage */
+	struct IPAContext context_;
 };
 
 int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
@@ -164,6 +168,9 @@  int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
 		<< "Exposure: " << minExposure_ << "-" << maxExposure_
 		<< " Gain: " << minGain_ << "-" << maxGain_;
 
+	/* Clean context at configuration */
+	context_ = {};
+
 	return 0;
 }