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