96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
/*******************************************************************************
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# #
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# MJPG-streamer allows to stream JPG frames from an input-plugin #
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# to several output plugins #
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# #
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# Copyright (C) 2007 Tom Stöveken #
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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# #
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*******************************************************************************/
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#ifndef MJPG_STREAMER_H
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#define MJPG_STREAMER_H
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#define SOURCE_VERSION "2.0"
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/* FIXME take a look to the output_http clients thread marked with fixme if you want to set more then 10 plugins */
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#define MAX_INPUT_PLUGINS 10
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#define MAX_OUTPUT_PLUGINS 10
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#define MAX_PLUGIN_ARGUMENTS 32
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#include <linux/types.h> /* for videodev2.h */
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#include <linux/videodev2.h>
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#include <pthread.h>
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#ifdef DEBUG
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#define DBG(...) fprintf(stderr, " DBG(%s, %s(), %d): ", __FILE__, __FUNCTION__, __LINE__); fprintf(stderr, __VA_ARGS__)
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#else
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#define DBG(...)
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#endif
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#define LOG(...) { char _bf[1024] = {0}; snprintf(_bf, sizeof(_bf)-1, __VA_ARGS__); fprintf(stderr, "%s", _bf); syslog(LOG_INFO, "%s", _bf); }
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#include "plugins/input.h"
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#include "plugins/output.h"
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/* global variables that are accessed by all plugins */
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typedef struct _globals globals;
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/* an enum to identify the commands destination*/
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typedef enum {
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Dest_Input = 0,
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Dest_Output = 1,
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Dest_Program = 2,
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} command_dest;
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/* commands which can be send to the input plugin */
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//typedef enum _cmd_group cmd_group;
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enum _cmd_group {
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IN_CMD_GENERIC = 0, // if you use non V4L2 input plugin you not need to deal the groups.
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IN_CMD_V4L2 = 1,
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IN_CMD_RESOLUTION = 2,
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IN_CMD_JPEG_QUALITY = 3,
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IN_CMD_PWC = 4,
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};
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typedef struct _control control;
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struct _control {
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struct v4l2_queryctrl ctrl;
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int value;
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struct v4l2_querymenu *menuitems;
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/* In the case the control a V4L2 ctrl this variable will specify
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that the control is a V4L2_CTRL_CLASS_USER control or not.
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For non V4L2 control it is not acceptable, leave it 0.
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*/
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int class_id;
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int group;
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};
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struct _globals {
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int stop;
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/* input plugin */
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input in[MAX_INPUT_PLUGINS];
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int incnt;
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/* output plugin */
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output out[MAX_OUTPUT_PLUGINS];
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int outcnt;
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/* pointer to control functions */
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//int (*control)(int command, char *details);
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};
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#endif
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