Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / vdevicev4l.h

diff --git a/cinelerra-5.1/cinelerra/vdevicev4l.h b/cinelerra-5.1/cinelerra/vdevicev4l.h
new file mode 100644 (file)
index 0000000..3b969cb
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/vdevicev4l.h
@@ -0,0 +1,94 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef VDEVICEV4L_H
+#define VDEVICEV4L_H
+
+#ifdef HAVE_VIDEO4LINUX
+
+
+
+#include "vdevicebase.h"
+#include <linux/videodev.h>
+#include "videodevice.inc"
+
+class VDeviceV4L : public VDeviceBase
+{
+public:
+       VDeviceV4L(VideoDevice *device);
+       ~VDeviceV4L();
+
+       int initialize();
+       int open_input();
+       int close_all();
+       int read_buffer(VFrame *frame);
+       int get_best_colormodel(Asset *asset);
+       int set_channel(Channel *channel);
+       int set_picture(PictureConfig *picture);
+
+private:
+       int set_cloexec_flag(int desc, int value);
+       int set_mute(int muted);
+       int v4l1_get_inputs();
+       int v4l1_set_mute(int muted);
+       unsigned long translate_colormodel(int colormodel);
+       int v4l1_set_channel(Channel *channel);
+       int v4l1_get_norm(int norm);
+       int v4l1_set_picture(PictureConfig *picture);
+       void v4l1_start_capture();
+       int capture_frame(int capture_frame_number);
+       int wait_v4l_frame();
+       int read_v4l_frame(VFrame *frame);
+       int frame_to_vframe(VFrame *frame, unsigned char *input);
+       int next_frame(int previous_frame);
+       int close_v4l();
+       int unmap_v4l_shmem();
+       int v4l_init();
+
+       int input_fd, output_fd;
+// FourCC Colormodel for device
+       unsigned long device_colormodel;
+// BC colormodel for device
+       int colormodel;
+
+// Video4Linux
+       struct video_capability cap1;
+       struct video_window window_params;
+       struct video_picture picture_params;
+       struct video_mbuf capture_params;  // Capture for Video4Linux
+
+// Common
+       char *capture_buffer;      // sequentual capture buffers for v4l1 or read buffer for v4l2
+       int capture_frame_number;    // number of frame to capture into
+       int read_frame_number;       // number of the captured frame to read
+       int shared_memory;   // Capturing directly to memory
+       int initialization_complete;
+       int got_first_frame;
+};
+
+
+#endif // HAVE_VIDEO4LINUX
+
+
+#endif
+
+
+