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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2007 Luigi Rizzo
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*
* Common header for console video support
*
* $Revision$
*/
#ifndef CONSOLE_VIDEO_H
#define CONSOLE_VIDEO_H
#if !defined(HAVE_VIDEO_CONSOLE) || !defined(HAVE_FFMPEG)
#define CONSOLE_VIDEO_CMDS \
"console {device}"
#else
#include <ffmpeg/avcodec.h>
#ifndef OLD_FFMPEG
#include <ffmpeg/swscale.h> /* requires a recent ffmpeg */
#endif
#define CONSOLE_VIDEO_CMDS \
"console {videodevice|videocodec" \
"|video_size|bitrate|fps|qmin" \
"|sendvideo|keypad" \
"|sdl_videodriver" \
"|device|startgui|stopgui" \
"}"
#endif /* HAVE_VIDEO_CONSOLE and others */
#define SRC_WIN_W 80 /* width of video thumbnails */
#define SRC_WIN_H 60 /* height of video thumbnails */
/* we only support a limited number of video sources in the GUI,
* because we need screen estate to switch between them.
*/
#define MAX_VIDEO_SOURCES 9
/*
* In many places we use buffers to store the raw frames (but not only),
* so here is a structure to keep all the info. data = NULL means the
* structure is not initialized, so the other fields are invalid.
* size = 0 means the buffer is not malloc'ed so we don't have to free it.
*/
struct fbuf_t { /* frame buffers, dynamically allocated */
uint8_t *data; /* memory, malloced if size > 0, just reference
* otherwise */
int size; /* total size in bytes */
int used; /* space used so far */
int ebit; /* bits to ignore at the end */
int x; /* origin, if necessary */
int y;
int w; /* size */
int h;
int pix_fmt;
/* offsets and size of the copy in Picture-in-Picture mode */
int win_x;
int win_y;
int win_w;
int win_h;
};
void fbuf_free(struct fbuf_t *);
/* descriptor for a grabber */
struct grab_desc {
const char *name;
void *(*open)(const char *name, struct fbuf_t *geom, int fps);
struct fbuf_t *(*read)(void *d);
void (*move)(void *d, int dx, int dy);
void *(*close)(void *d);
};
extern struct grab_desc *console_grabbers[];
struct video_desc; /* opaque type for video support */
struct video_desc *get_video_desc(struct ast_channel *c);
/* linked by console_video.o */
int console_write_video(struct ast_channel *chan, struct ast_frame *f);
extern int console_video_formats;
int console_video_cli(struct video_desc *env, const char *var, int fd);
int console_video_config(struct video_desc **penv, const char *var, const char *val);
void console_video_uninit(struct video_desc *env);
void console_video_start(struct video_desc *env, struct ast_channel *owner);
int get_gui_startup(struct video_desc* env);
/* console_board.c */
/* Where do we send the keyboard/keypad output */
enum kb_output {
KO_NONE,
KO_INPUT, /* the local input window */
KO_DIALED, /* the 'dialed number' window */
KO_MESSAGE, /* the 'message' window */
};
enum drag_window { /* which window are we dragging */
DRAG_NONE,
DRAG_LOCAL, /* local video */
DRAG_REMOTE, /* remote video */
DRAG_DIALED, /* dialed number */
DRAG_INPUT, /* input window */
DRAG_MESSAGE, /* message window */
DRAG_PIP, /* picture in picture */
};
/*! \brief support for drag actions */
struct drag_info {
int x_start; /* last known mouse position */
int y_start;
enum drag_window drag_window;
};
/*! \brief info related to the gui: button status, mouse coords, etc. */
struct board;
/* !\brief print a message on a board */
void move_message_board(struct board *b, int dy);
int print_message(struct board *b, const char *s);
/*! \brief return the whole text from a board */
const char *read_message(const struct board *b);
/*! \brief reset the board to blank */
int reset_board(struct board *b);
/*! \brief deallocates memory space for a board */
void delete_board(struct board *b);
#endif /* CONSOLE_VIDEO_H */
/* end of file */
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