output.h

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/*******************************************************************************
#                                                                              #
#      MJPG-streamer allows to stream JPG frames from an input-plugin          #
#      to several output plugins                                               #
#                                                                              #
#      Copyright (C) 2007 Tom Stöveken                                         #
#                                                                              #
# 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; version 2 of the License.                      #
#                                                                              #
# 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    #
#                                                                              #
*******************************************************************************/

#include "mjpg_streamer.h"
#define OUTPUT_PLUGIN_PREFIX " o: "
#define OPRINT(...) { char _bf[1024] = {0}; snprintf(_bf, sizeof(_bf)-1, __VA_ARGS__); fprintf(stderr, "%s", OUTPUT_PLUGIN_PREFIX); fprintf(stderr, "%s", _bf); syslog(LOG_INFO, "%s", _bf); }

/* parameters for output plugin */
typedef struct _output_parameter output_parameter;
struct _output_parameter {
    int id;
    char *parameters;
    int argc;
    char *argv[MAX_PLUGIN_ARGUMENTS];
    struct _globals *global;
};



/* structure to store variables/functions for output plugin */
typedef struct _output output;
struct _output {
    char *plugin;
    void *handle;
    output_parameter param;

    // input plugin parameters
    struct _control *out_parameters;
    int parametercount;

    int (*init)(output_parameter *param, int id);
    int (*stop)(int);
    int (*run)(int);
    int (*cmd)(int plugin, unsigned int control_id, unsigned int group, int value);
};