From 70e53be538984739d500ef641c262e79affdeac4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>
Date: Mon, 25 Mar 2019 18:05:38 +0100
Subject: libcamera: stream: Add basic stream usages
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In preparation of reworking how a default configuration is retrieved
from a camera add stream usages. The usages will be used by applications
to describe how they intend to use a camera and replace the Stream IDs
when retrieving default configuration from the camera using
streamConfiguration().
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
include/libcamera/stream.h | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
(limited to 'include')
diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h
index 970c4796..d0f7b0e1 100644
--- a/include/libcamera/stream.h
+++ b/include/libcamera/stream.h
@@ -8,6 +8,7 @@
#define __LIBCAMERA_STREAM_H__
#include <libcamera/buffer.h>
+#include <libcamera/geometry.h>
namespace libcamera {
@@ -21,9 +22,48 @@ struct StreamConfiguration {
unsigned int bufferCount;
};
+class StreamUsage
+{
+public:
+ enum Role {
+ StillCapture,
+ VideoRecording,
+ Viewfinder,
+ };
+
+ Role role() const { return role_; }
+ const Size &size() const { return size_; }
+
+protected:
+ explicit StreamUsage(Role role);
+ StreamUsage(Role role, int width, int height);
+
+private:
+ Role role_;
+ Size size_;
+};
+
class Stream final
{
public:
+ class StillCapture : public StreamUsage
+ {
+ public:
+ StillCapture();
+ };
+
+ class VideoRecording : public StreamUsage
+ {
+ public:
+ VideoRecording();
+ };
+
+ class Viewfinder : public StreamUsage
+ {
+ public:
+ Viewfinder(int width, int height);
+ };
+
Stream();
BufferPool &bufferPool() { return bufferPool_; }
const StreamConfiguration &configuration() const { return configuration_; }
--
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