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334 lines
8.7 KiB
334 lines
8.7 KiB
/*
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videodevice.cpp - Kopete Video Device Low-level Support
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Copyright (c) 2005-2006 by Cláudio da Silveira Pinheiro <taupter@gmail.com>
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Kopete (c) 2002-2003 by the Kopete developers <kopete-devel@kde.org>
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*************************************************************************
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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*************************************************************************
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*/
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#define ENABLE_AV
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#ifndef KOPETE_AVVIDEODEVICELISTITEM_H
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#define KOPETE_AVVIDEODEVICELISTITEM_H
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#if defined HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <sys/time.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <signal.h>
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#if defined(__linux__) && defined(ENABLE_AV)
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#include <asm/types.h>
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#undef __STRICT_ANSI__
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#ifndef __u64 //required by videodev.h
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#define __u64 unsigned long long
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#endif // __u64
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#ifndef __s64 //required by videodev.h
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#define __s64 long long
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#endif // __s64
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#ifndef pgoff_t
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#define pgoff_t unsigned long
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#endif
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#include <linux/fs.h>
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#include <linux/kernel.h>
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#include <linux/videodev.h>
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#define VIDEO_MODE_PAL_Nc 3
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#define VIDEO_MODE_PAL_M 4
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#define VIDEO_MODE_PAL_N 5
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#define VIDEO_MODE_NTSC_JP 6
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#define __STRICT_ANSI__
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#endif // __linux__
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#include <qstring.h>
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#include <qfile.h>
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#include <qimage.h>
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#include <qvaluevector.h>
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#include <kcombobox.h>
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#include "videoinput.h"
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#include "videocontrol.h"
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namespace Kopete {
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namespace AV {
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/**
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@author Kopete Developers
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*/
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typedef enum
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{
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VIDEODEV_DRIVER_NONE
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#if defined( __linux__) && defined(ENABLE_AV)
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,
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VIDEODEV_DRIVER_V4L
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#ifdef V4L2_CAP_VIDEO_CAPTURE
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,
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VIDEODEV_DRIVER_V4L2
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#endif
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#endif
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} videodev_driver;
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typedef enum
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{
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// Packed RGB formats
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PIXELFORMAT_NONE = 0,
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PIXELFORMAT_GREY = (1 << 0),
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PIXELFORMAT_RGB332 = (1 << 1),
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PIXELFORMAT_RGB444 = (1 << 2),
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PIXELFORMAT_RGB555 = (1 << 3),
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PIXELFORMAT_RGB565 = (1 << 4),
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PIXELFORMAT_RGB555X = (1 << 5),
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PIXELFORMAT_RGB565X = (1 << 6),
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PIXELFORMAT_BGR24 = (1 << 7),
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PIXELFORMAT_RGB24 = (1 << 8),
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PIXELFORMAT_BGR32 = (1 << 9),
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PIXELFORMAT_RGB32 = (1 << 10),
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// Bayer RGB format
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PIXELFORMAT_SBGGR8 = (1 << 11),
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// YUV formats
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PIXELFORMAT_YUYV = (1 << 12),
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PIXELFORMAT_UYVY = (1 << 13),
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PIXELFORMAT_YUV420P = (1 << 14),
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PIXELFORMAT_YUV422P = (1 << 15),
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// Compressed formats
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PIXELFORMAT_JPEG = (1 << 16),
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PIXELFORMAT_MPEG = (1 << 17),
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// Reserved formats
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PIXELFORMAT_DV = (1 << 18),
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PIXELFORMAT_ET61X251 = (1 << 19),
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PIXELFORMAT_HI240 = (1 << 20),
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PIXELFORMAT_HM12 = (1 << 21),
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PIXELFORMAT_MJPEG = (1 << 22),
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PIXELFORMAT_PWC1 = (1 << 23),
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PIXELFORMAT_PWC2 = (1 << 24),
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PIXELFORMAT_SN9C10X = (1 << 25),
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PIXELFORMAT_WNVA = (1 << 26),
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PIXELFORMAT_YYUV = (1 << 27)
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// PIXELFORMAT_ALL = 0x00003FFF
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} pixel_format;
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typedef enum
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{
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STANDARD_NONE = 0,
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STANDARD_PAL_B = (1 << 0),
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STANDARD_PAL_B1 = (1 << 1),
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STANDARD_PAL_G = (1 << 2),
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STANDARD_PAL_H = (1 << 3),
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STANDARD_PAL_I = (1 << 4),
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STANDARD_PAL_D = (1 << 5),
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STANDARD_PAL_D1 = (1 << 6),
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STANDARD_PAL_K = (1 << 7),
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STANDARD_PAL_M = (1 << 8),
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STANDARD_PAL_N = (1 << 9),
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STANDARD_PAL_Nc = (1 << 10),
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STANDARD_PAL_60 = (1 << 11),
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// STANDARD_PAL_60 is a hybrid standard with 525 lines, 60 Hz refresh rate, and PAL color modulation with a 4.43 MHz color subcarrier. Some PAL video recorders can play back NTSC tapes in this mode for display on a 50/60 Hz agnostic PAL TV.
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STANDARD_NTSC_M = (1 << 12),
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STANDARD_NTSC_M_JP = (1 << 13),
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STANDARD_NTSC_443 = (1 << 14),
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// STANDARD_NTSC_443 is a hybrid standard with 525 lines, 60 Hz refresh rate, and NTSC color modulation with a 4.43 MHz color subcarrier.
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STANDARD_SECAM_B = (1 << 16),
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STANDARD_SECAM_D = (1 << 17),
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STANDARD_SECAM_G = (1 << 18),
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STANDARD_SECAM_H = (1 << 19),
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STANDARD_SECAM_K = (1 << 20),
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STANDARD_SECAM_K1 = (1 << 21),
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STANDARD_SECAM_L = (1 << 22),
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STANDARD_SECAM_LC = (1 << 23),
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// ATSC/HDTV
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STANDARD_ATSC_8_VSB = (1 << 24),
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STANDARD_ATSC_16_VSB = (1 << 25),
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STANDARD_PAL_BG = ( STANDARD_PAL_B | STANDARD_PAL_B1 | STANDARD_PAL_G ),
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STANDARD_PAL_DK = ( STANDARD_PAL_D | STANDARD_PAL_D1 | STANDARD_PAL_K ),
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STANDARD_PAL = ( STANDARD_PAL_BG | STANDARD_PAL_DK | STANDARD_PAL_H | STANDARD_PAL_I ),
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STANDARD_NTSC = ( STANDARD_NTSC_M | STANDARD_NTSC_M_JP ),
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STANDARD_SECAM_DK = ( STANDARD_SECAM_D | STANDARD_SECAM_K | STANDARD_SECAM_K1 ),
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STANDARD_SECAM = ( STANDARD_SECAM_B | STANDARD_SECAM_G | STANDARD_SECAM_H | STANDARD_SECAM_DK | STANDARD_SECAM_L),
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STANDARD_525_60 = ( STANDARD_PAL_M | STANDARD_PAL_60 | STANDARD_NTSC | STANDARD_NTSC_443),
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STANDARD_625_50 = ( STANDARD_PAL | STANDARD_PAL_N | STANDARD_PAL_Nc | STANDARD_SECAM),
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STANDARD_ALL = ( STANDARD_525_60 | STANDARD_625_50)
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} signal_standard;
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typedef enum
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{
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IO_METHOD_NONE,
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IO_METHOD_READ,
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IO_METHOD_MMAP,
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IO_METHOD_USERPTR
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} io_method;
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struct imagebuffer
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{
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int height;
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int width;
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pixel_format pixelformat;
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QValueVector <uchar> data; // maybe it should be a rawbuffer instead of it? It could make us avoid a memory copy
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};
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struct rawbuffer // raw buffer
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{
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uchar * start;
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size_t length;
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};
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class VideoDevice{
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public:
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VideoDevice();
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~VideoDevice();
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int setFileName(QString filename);
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int open();
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bool isOpen();
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int checkDevice();
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int showDeviceCapabilities();
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int initDevice();
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unsigned int inputs();
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int width();
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int minWidth();
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int maxWidth();
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int height();
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int minHeight();
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int maxHeight();
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int setSize( int newwidth, int newheight);
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pixel_format setPixelFormat(pixel_format newformat);
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int pixelFormatCode(pixel_format pixelformat);
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pixel_format pixelFormatForPalette( int palette );
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int pixelFormatDepth(pixel_format pixelformat);
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QString pixelFormatName(pixel_format pixelformat);
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QString pixelFormatName(int pixelformat);
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int detectPixelFormats();
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__u64 signalStandardCode(signal_standard standard);
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QString signalStandardName(signal_standard standard);
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QString signalStandardName(int standard);
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int detectSignalStandards();
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int currentInput();
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int selectInput(int input);
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int setInputParameters();
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int startCapturing();
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int getFrame();
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int getFrame(imagebuffer *imgbuffer);
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int getImage(QImage *qimage);
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int stopCapturing();
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int close();
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float getBrightness();
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float setBrightness(float brightness);
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float getContrast();
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float setContrast(float contrast);
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float getSaturation();
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float setSaturation(float saturation);
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float getWhiteness();
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float setWhiteness(float whiteness);
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float getHue();
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float setHue(float Hue);
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bool getAutoBrightnessContrast();
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bool setAutoBrightnessContrast(bool brightnesscontrast);
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bool getAutoColorCorrection();
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bool setAutoColorCorrection(bool colorcorrection);
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bool getImageAsMirror();
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bool setImageAsMirror(bool imageasmirror);
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bool canCapture();
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bool canChromakey();
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bool canScale();
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bool canOverlay();
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bool canRead();
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bool canAsyncIO();
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bool canStream();
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QString m_model;
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QString m_name;
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size_t m_modelindex; // Defines what's the number of a device when more than 1 device of a given model is present;
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QString full_filename;
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videodev_driver m_driver;
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int descriptor;
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//protected:
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#if defined(__linux__) && defined(ENABLE_AV)
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#ifdef V4L2_CAP_VIDEO_CAPTURE
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struct v4l2_capability V4L2_capabilities;
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struct v4l2_cropcap cropcap;
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struct v4l2_crop crop;
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struct v4l2_format fmt;
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struct v4l2_fmtdesc fmtdesc; // Not sure if it must be here or inside detectPixelFormats(). Should inve
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// struct v4l2_input m_input;
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struct v4l2_queryctrl queryctrl;
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struct v4l2_querymenu querymenu;
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void enumerateMenu (void);
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#endif
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struct video_capability V4L_capabilities;
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struct video_buffer V4L_videobuffer;
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#endif
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QValueVector<Kopete::AV::VideoInput> m_input;
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QValueVector<Kopete::AV::VideoControl> m_control;
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// QFile file;
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protected:
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int currentwidth, minwidth, maxwidth, currentheight, minheight, maxheight;
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bool m_disablemmap;
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bool m_workaroundbrokendriver;
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QValueVector<rawbuffer> m_rawbuffers;
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unsigned int m_streambuffers;
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imagebuffer m_currentbuffer;
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int m_buffer_size;
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int m_current_input;
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pixel_format m_pixelformat;
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io_method m_io_method;
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bool m_videocapture;
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bool m_videochromakey;
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bool m_videoscale;
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bool m_videooverlay;
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bool m_videoread;
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bool m_videoasyncio;
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bool m_videostream;
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int xioctl(int request, void *arg);
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int errnoReturn(const char* s);
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int initRead();
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int initMmap();
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int initUserptr();
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};
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}
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}
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#endif
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