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-rw-r--r--src/android/camera_stream.cpp21
-rw-r--r--src/android/camera_stream.h5
2 files changed, 21 insertions, 5 deletions
diff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp
index eac14805..d8e45c2a 100644
--- a/src/android/camera_stream.cpp
+++ b/src/android/camera_stream.cpp
@@ -17,6 +17,27 @@ using namespace libcamera;
LOG_DECLARE_CATEGORY(HAL);
+/*
+ * \class CameraStream
+ * \brief Map a camera3_stream_t to a StreamConfiguration
+ *
+ * The CameraStream class maps a camera3_stream_t provided by Android
+ * camera framework to a libcamera::StreamConfiguration.
+ *
+ * The StreamConfiguration is represented by its index as recorded in the
+ * CameraConfiguration and not by pointer as StreamConfiguration is subject to
+ * relocation.
+ *
+ * A single StreamConfiguration may be used to deliver one or more streams to
+ * the Android framework. The mapping type between a camera3 stream to a
+ * StreamConfiguration is described by the CameraStream::Type.
+ *
+ * CameraStream handles all the aspects of producing a stream with the size
+ * and format requested by the camera3 stream from the data produced by
+ * the associated libcamera::Stream, including the creation of the encoder
+ * and buffer allocation.
+ */
+
CameraStream::CameraStream(CameraDevice *cameraDevice, Type type,
camera3_stream_t *camera3Stream, unsigned int index)
: cameraDevice_(cameraDevice), type_(type),
diff --git a/src/android/camera_stream.h b/src/android/camera_stream.h
index 8df0101c..47f3fc61 100644
--- a/src/android/camera_stream.h
+++ b/src/android/camera_stream.h
@@ -128,11 +128,6 @@ private:
libcamera::CameraConfiguration *config_;
Type type_;
camera3_stream_t *camera3Stream_;
- /*
- * The index of the libcamera StreamConfiguration as added during
- * configureStreams(). A single libcamera Stream may be used to deliver
- * one or more streams to the Android framework.
- */
unsigned int index_;
std::unique_ptr<Encoder> encoder_;