1 files changed, 70 insertions, 0 deletions
diff --git a/libcamera/V4L2Camera.h b/libcamera/V4L2Camera.h
new file mode 100644
index 0000000..a4cf55b
--- /dev/null
+++ b/libcamera/V4L2Camera.h
@@ -0,0 +1,70 @@
+/*
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation; either version 2 of the License, or
+ *      (at your option) any later version.
+ *
+ *      Author: Niels Keeman <nielskeeman@gmail.com>
+ *
+ */
+
+#ifndef _V4L2CAMERA_H
+#define _V4L2CAMERA_H
+
+#define NB_BUFFER 4
+
+#include <binder/MemoryBase.h>
+#include <binder/MemoryHeapBase.h>
+#include <linux/videodev.h>
+
+namespace android {
+
+struct vdIn {
+    struct v4l2_capability cap;
+    struct v4l2_format format;
+    struct v4l2_buffer buf;
+    struct v4l2_requestbuffers rb;
+    void *mem[NB_BUFFER];
+    bool isStreaming;
+    int width;
+    int height;
+    int formatIn;
+    int framesizeIn;
+};
+
+class V4L2Camera {
+
+public:
+    V4L2Camera();
+    ~V4L2Camera();
+
+    int Open (const char *device, int width, int height, int pixelformat);
+    void Close ();
+
+    int Init ();
+    void Uninit ();
+
+    int StartStreaming ();
+    int StopStreaming ();
+
+    void GrabPreviewFrame (void *previewBuffer);
+    void GrabRecordFrame (void *recordBuffer);
+    sp<IMemory> GrabRawFrame ();
+    sp<IMemory> GrabJpegFrame ();
+
+private:
+    struct vdIn *videoIn;
+    int fd;
+
+    int nQueued;
+    int nDequeued;
+
+    int saveYUYVtoJPEG (unsigned char *inputBuffer, int width, int height, FILE *file, int quality);
+
+    void convert(unsigned char *buf, unsigned char *rgb, int width, int height);
+    void yuv_to_rgb16(unsigned char y, unsigned char u, unsigned char v, unsigned char *rgb);
+};
+
+}; // namespace android
+
+#endif