cam: Rename BufferWriter to FileSink

Rename the BufferWriter class to FileSink to establish a common naming
scheme for all sinks.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/cam/file_sink.h b/src/cam/file_sink.h
new file mode 100644
index 00000000..c3eb230a
--- /dev/null
+++ b/src/cam/file_sink.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * file_sink.h - File Sink
+ */
+#ifndef __CAM_FILE_SINK_H__
+#define __CAM_FILE_SINK_H__
+
+#include <map>
+#include <string>
+
+#include <libcamera/stream.h>
+
+#include "frame_sink.h"
+
+class FileSink : public FrameSink
+{
+public:
+	FileSink(const std::string &pattern = "");
+	~FileSink();
+
+	int configure(const libcamera::CameraConfiguration &config) override;
+
+	void mapBuffer(libcamera::FrameBuffer *buffer) override;
+
+	bool processRequest(libcamera::Request *request) override;
+
+private:
+	void writeBuffer(const libcamera::Stream *stream,
+			 libcamera::FrameBuffer *buffer);
+
+	std::map<const libcamera::Stream *, std::string> streamNames_;
+	std::string pattern_;
+	std::map<int, std::pair<void *, unsigned int>> mappedBuffers_;
+};
+
+#endif /* __CAM_FILE_SINK_H__ */