zoneminder/src/zm_curl_camera.h

108 lines
3.2 KiB
C++

//
// ZoneMinder cURL Class Interface, $Date: 2008-07-25 10:33:23 +0100 (Fri, 25 Jul 2008) $, $Revision: 2611 $
// Copyright (C) 2001-2008 Philip Coombes
//
// 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; either version 2
// of the License, or (at your option) any later version.
//
// 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.
//
#ifndef ZM_CURL_CAMERA_H
#define ZM_CURL_CAMERA_H
#if HAVE_LIBCURL
#include "zm_camera.h"
#include "zm_ffmpeg.h"
#include "zm_buffer.h"
#include "zm_regexp.h"
#include "zm_utils.h"
#include "zm_signal.h"
#include <string>
#include <deque>
#if HAVE_CURL_CURL_H
#include <curl/curl.h>
#endif
//
// Class representing 'curl' cameras, i.e. those which are
// accessed using the curl library
//
class cURLCamera : public Camera
{
protected:
typedef enum {MODE_UNSET, MODE_SINGLE, MODE_STREAM} mode_t;
std::string mPath;
std::string mUser;
std::string mPass;
/* cURL object(s) */
CURL* c;
/* Shared data */
volatile bool bTerminate;
volatile bool bReset;
volatile mode_t mode;
Buffer databuffer;
std::deque<size_t> single_offsets;
/* pthread objects */
pthread_t thread;
pthread_mutex_t shareddata_mutex;
pthread_cond_t data_available_cond;
pthread_cond_t request_complete_cond;
public:
cURLCamera( int p_id, const std::string &path, const std::string &username, const std::string &password, int p_width, int p_height, int p_colours, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio );
~cURLCamera();
const std::string &Path() const { return( mPath ); }
const std::string &Username() const { return( mUser ); }
const std::string &Password() const { return( mPass ); }
void Initialise();
void Terminate();
int PrimeCapture();
int PreCapture();
int Capture( Image &image );
int PostCapture();
int CaptureAndRecord( Image &image, bool recording, char* event_directory);
size_t data_callback(void *buffer, size_t size, size_t nmemb, void *userdata);
size_t header_callback(void *buffer, size_t size, size_t nmemb, void *userdata);
int progress_callback(void *userdata, double dltotal, double dlnow, double ultotal, double ulnow);
int debug_callback(CURL* handle, curl_infotype type, char* str, size_t strsize, void* data);
void* thread_func();
int lock();
int unlock();
private:
int nRet;
CURLcode cRet;
};
/* Dispatchers */
size_t header_callback_dispatcher(void *buffer, size_t size, size_t nmemb, void *userdata);
size_t data_callback_dispatcher(void *buffer, size_t size, size_t nmemb, void *userdata);
int progress_callback_dispatcher(void *userdata, double dltotal, double dlnow, double ultotal, double ulnow);
void* thread_func_dispatcher(void* object);
#endif // HAVE_LIBCURL
#endif // ZM_CURL_CAMERA_H