141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
//
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// ZoneMinder Local Camera Class Interface, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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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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#ifndef ZM_LOCAL_CAMERA_H
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#define ZM_LOCAL_CAMERA_H
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <string.h>
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#include <string>
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#include "zm.h"
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#include "zm_camera.h"
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#include "zm_ffmpeg.h"
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#ifdef HAVE_LINUX_VIDEODEV2_H
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#include <linux/videodev2.h>
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#define ZM_V4L2
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#endif // HAVE_LINUX_VIDEODEV2_H
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#ifdef HAVE_LINUX_VIDEODEV_H
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#include <linux/videodev.h>
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#endif // HAVE_LINUX_VIDEODEV_H
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//
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// Class representing 'local' cameras, i.e. those which are
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// directly connect to the host machine and which are accessed
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// via a video interface.
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//
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class LocalCamera : public Camera
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{
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protected:
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#ifdef ZM_V4L2
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struct V4L2MappedBuffer
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{
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void *start;
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size_t length;
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};
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struct V4L2Data
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{
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v4l2_cropcap cropcap;
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v4l2_crop crop;
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v4l2_format fmt;
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v4l2_requestbuffers reqbufs;
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V4L2MappedBuffer *buffers;
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v4l2_buffer *bufptr;
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};
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#endif // ZM_V4L2
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struct V4L1Data
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{
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int active_frame;
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int cap_frame;
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int sync_frame;
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video_mbuf frames;
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video_mmap *buffers;
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unsigned char *bufptr;
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};
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protected:
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std::string device;
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int channel;
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int standard;
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int palette;
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bool device_prime;
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bool channel_prime;
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protected:
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static int camera_count;
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static int channel_count;
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static int vid_fd;
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static int v4l_version;
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#ifdef ZM_V4L2
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static V4L2Data v4l2_data;
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#endif // ZM_V4L2
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static V4L1Data v4l1_data;
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#if HAVE_LIBSWSCALE
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PixelFormat ffPixFormat;
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static AVFrame **ffPictures;
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#endif // HAVE_LIBSWSCALE
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static unsigned char *y_table;
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static signed char *uv_table;
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static short *r_v_table;
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static short *g_v_table;
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static short *g_u_table;
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static short *b_u_table;
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static LocalCamera *last_camera;
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public:
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LocalCamera( int p_id, const std::string &device, int p_channel, int p_format, const std::string &p_method, int p_width, int p_height, int p_palette, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture );
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~LocalCamera();
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void Initialise();
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void Terminate();
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const std::string &Device() const { return( device ); }
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int Channel() const { return( channel ); }
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int Standard() const { return( standard ); }
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int Palette() const { return( palette ); }
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int Brightness( int p_brightness=-1 );
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int Hue( int p_hue=-1 );
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int Colour( int p_colour=-1 );
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int Contrast( int p_contrast=-1 );
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int PrimeCapture();
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int PreCapture();
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int Capture( Image &image );
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int PostCapture();
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static bool GetCurrentSettings( const char *device, char *output, bool verbose );
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};
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#endif // ZM_LOCAL_CAMERA_H
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