120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/*
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* GStreamer photobooth.c
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* Copyright 2016 Andreas Frisch <fraxinas@opendreambox.org>
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*
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* This program is licensed under the Creative Commons
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* Attribution-NonCommercial-ShareAlike 3.0 Unported
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* License. To view a copy of this license, visit
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* http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to
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* Creative Commons,559 Nathan Abbott Way,Stanford,California 94305,USA.
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*
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* This program is NOT free software. It is open source, you are allowed
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* to modify it (if you keep the license), but it may not be commercially
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* distributed other than under the conditions noted above.
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*/
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#ifndef __PHOTO_BOOTH_H__
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#define __PHOTO_BOOTH_H__
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#include <glib-unix.h>
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#include <glib-object.h>
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#include <gtk/gtk.h>
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#include <gst/gst.h>
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#include <gphoto2/gphoto2.h>
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#include <gphoto2/gphoto2-camera.h>
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#define CONTROL_RUN 'R' /* start movie capture */
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#define CONTROL_PAUSE 'P' /* pause movie capture */
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#define CONTROL_STOP 'S' /* stop movie capture */
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#define CONTROL_SOCKETS(src) src->control_sock
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#define WRITE_SOCKET(src) src->control_sock[1]
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#define READ_SOCKET(src) src->control_sock[0]
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#define CLEAR_COMMAND(src) \
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G_STMT_START { \
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char c; \
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read(READ_SOCKET(src), &c, 1); \
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} G_STMT_END
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#define SEND_COMMAND(src, command) \
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G_STMT_START { \
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int G_GNUC_UNUSED _res; unsigned char c; c = command; \
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_res = write (WRITE_SOCKET(src), &c, 1); \
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} G_STMT_END
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#define READ_COMMAND(src, command, res) \
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G_STMT_START { \
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res = read(READ_SOCKET(src), &command, 1); \
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} G_STMT_END
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G_BEGIN_DECLS
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#define PREVIEW_FPS 24
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struct _CameraInfo {
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Camera *camera;
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GPContext *context;
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GMutex mutex;
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int preview_capture_count;
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};
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typedef enum
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{
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CAPTURETHREAD_NONE = 0,
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CAPTURETHREAD_STOP,
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CAPTURETHREAD_PAUSED,
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CAPTURETHREAD_RUN,
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} PhotoboothReadthreadState;
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typedef enum
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{
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PB_STATE_NONE = 0,
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PB_STATE_PREVIEW,
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PB_STATE_TAKING_PHOTO,
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PB_STATE_ASKING,
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PB_STATE_PRINTING
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} PhotoboothState;
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#define PHOTO_BOOTH_TYPE (photo_booth_get_type ())
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#define PHOTO_BOOTH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),PHOTO_BOOTH_TYPE,PhotoBooth))
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#define PHOTO_BOOTH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PHOTO_BOOTH_TYPE,PhotoBoothClass))
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#define IS_PHOTO_BOOTH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),PHOTO_BOOTH_TYPE))
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#define IS_PHOTO_BOOTH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PHOTO_BOOTH_TYPE))
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typedef struct _PhotoBooth PhotoBooth;
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typedef struct _PhotoBoothClass PhotoBoothClass;
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typedef struct _CameraInfo CameraInfo;
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struct _PhotoBooth
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{
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GtkApplication parent;
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GMainLoop *loop;
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GstElement *pipeline;
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GstElement *pixoverlay, *video_sink;
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GstElement *video_bin;
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GstElement *photo_bin;
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int video_fd;
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gint timeout_id;
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CameraInfo *cam_info;
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gulong video_block_id;
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gulong photo_block_id;
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int control_sock[2];
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GThread *capture_thread;
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PhotoboothState state;
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};
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struct _PhotoBoothClass
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{
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GtkApplicationClass parent_class;
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};
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GType photo_booth_get_type (void);
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G_END_DECLS
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#endif /* __PHOTO_BOOTH_H__ */
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