| 1 | /**************************************************************************** |
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| 2 | |
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| 3 | Copyright 2006 Virginia Polytechnic Institute and State University |
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| 4 | |
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| 5 | This file is part of the OSSIE WebCamCapture. |
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| 6 | |
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| 7 | OSSIE WebCamCapture is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 2 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |
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| 12 | OSSIE WebCamCapture is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with OSSIE WebCamCapture; if not, write to the Free Software |
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| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 20 | |
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| 21 | ****************************************************************************/ |
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| 22 | |
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| 23 | |
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| 24 | #include <string> |
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| 25 | #include <iostream> |
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| 26 | #include "WebCamCapture.h" |
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| 27 | |
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| 28 | #include <stdio.h> |
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| 29 | #include <stdlib.h> |
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| 30 | #include <unistd.h> |
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| 31 | |
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| 32 | |
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| 33 | |
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| 34 | |
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| 35 | /*from main in spcaview.c*/ |
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| 36 | const char *videodevice = NULL; |
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| 37 | /* default mmap */ |
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| 38 | |
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| 39 | |
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| 40 | int format = VIDEO_PALETTE_JPEG; //VIDEO_PALETTE_YUV420P; |
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| 41 | /******** output screen pointer ***/ |
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| 42 | |
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| 43 | unsigned int image_width = IMAGE_WIDTH; |
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| 44 | unsigned int image_height = IMAGE_HEIGHT; |
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| 45 | int owidth = 0; |
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| 46 | int oheight = 0; |
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| 47 | /*********************************/ |
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| 48 | /* Starting Flags */ |
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| 49 | // int i; |
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| 50 | int videoOn = 1; |
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| 51 | int decodeOn =1 ; |
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| 52 | int statOn = 0; |
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| 53 | int audioout = 0; |
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| 54 | int videocomp = 0; |
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| 55 | int channel = 0; |
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| 56 | int norme = 0; |
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| 57 | int autobright = 0; |
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| 58 | |
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| 59 | /*********************************/ |
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| 60 | SPCASTATE funct; |
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| 61 | |
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| 62 | |
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| 63 | int bpp = 3; |
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| 64 | |
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| 65 | /*from grab method in spcaview.c*/ |
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| 66 | int fd; |
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| 67 | /* default mmap */ |
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| 68 | //int i, j, k, nframes = 2000, f, status; |
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| 69 | struct video_mmap vmmap; |
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| 70 | struct video_capability videocap; |
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| 71 | int mmapsize; |
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| 72 | struct video_mbuf videombuf; |
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| 73 | struct video_picture videopict; |
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| 74 | struct video_window videowin; |
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| 75 | struct video_channel videochan; |
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| 76 | struct video_param videoparam; |
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| 77 | |
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| 78 | |
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| 79 | /******** output screen pointer ***/ |
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| 80 | SDL_Surface *pscreen; |
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| 81 | SDL_Event sdlevent; |
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| 82 | /**********************************/ |
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| 83 | /* avi parametres */ |
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| 84 | unsigned char *pFramebuffer; |
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| 85 | int ff; |
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| 86 | int framecount = 0; |
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| 87 | /*********************************/ |
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| 88 | /* Starting Flags */ |
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| 89 | int run = 1; |
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| 90 | int quit = 1; |
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| 91 | int initAudio = 0; //flag start audio |
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| 92 | int method = 1; |
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| 93 | int streamid ; |
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| 94 | int isVideoChannel = 1; |
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| 95 | int frame_size = 0; |
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| 96 | int len = 0; |
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| 97 | |
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| 98 | |
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| 99 | /*********************************/ |
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| 100 | /* data for SDL_audioin && SDL_audio */ |
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| 101 | //SDL_AudioSpec spec, result; |
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| 102 | //SDL_AudioSpec expect; |
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| 103 | // struct Rbuffer RingBuffer; |
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| 104 | int retry = 100; |
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| 105 | int ptread ; |
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| 106 | int ptwrite ; |
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| 107 | int err = 0; |
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| 108 | int bytes_per_read =0; |
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| 109 | int testbpp=16; |
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| 110 | /*********************************/ |
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| 111 | // RingBuffer.ptread =0; |
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| 112 | // RingBuffer.ptwrite =0; |
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| 113 | |
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| 114 | /**************************/ |
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| 115 | |
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| 116 | |
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| 117 | WebCamCapture_i::WebCamCapture_i(const char *uuid, omni_condition *condition) |
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| 118 | : Resource_impl(uuid), component_running(condition) |
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| 119 | { |
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| 120 | dataOut_0 = new standardInterfaces_i::realChar_u("JPEG_DataOut"); |
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| 121 | |
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| 122 | |
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| 123 | //Create the thread for the writer's processing function |
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| 124 | processing_thread = new omni_thread(run, (void *) this); |
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| 125 | |
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| 126 | //Start the thread containing the writer's processing function |
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| 127 | processing_thread->start(); |
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| 128 | |
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| 129 | } |
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| 130 | |
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| 131 | // Destructor |
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| 132 | WebCamCapture_i::~WebCamCapture_i(void) |
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| 133 | { |
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| 134 | delete dataOut_0; |
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| 135 | } |
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| 136 | |
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| 137 | // static function for omni thread |
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| 138 | void WebCamCapture_i::run( void * data ) |
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| 139 | { |
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| 140 | ((WebCamCapture_i*)data)->run_loop(); |
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| 141 | } |
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| 142 | |
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| 143 | CORBA::Object_ptr WebCamCapture_i::getPort( const char* portName ) throw (CORBA::SystemException, CF::PortSupplier::UnknownPort) |
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| 144 | { |
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| 145 | DEBUG(3, WebCamCapture, "getPort invoked with port name: " << portName) |
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| 146 | |
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| 147 | CORBA::Object_var p; |
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| 148 | |
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| 149 | p = dataOut_0->getPort(portName); |
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| 150 | |
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| 151 | if (!CORBA::is_nil(p)) |
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| 152 | return p._retn(); |
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| 153 | |
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| 154 | /*exception*/ |
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| 155 | throw CF::PortSupplier::UnknownPort(); |
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| 156 | } |
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| 157 | |
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| 158 | void WebCamCapture_i::start() throw (CORBA::SystemException, CF::Resource::StartError) |
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| 159 | { |
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| 160 | DEBUG(3, WebCamCapture, "start invoked") |
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| 161 | |
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| 162 | |
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| 163 | isRunning = true; |
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| 164 | |
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| 165 | } |
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| 166 | |
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| 167 | void WebCamCapture_i::stop() throw (CORBA::SystemException, CF::Resource::StopError) |
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| 168 | { |
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| 169 | DEBUG(3, WebCamCapture, "stop invoked") |
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| 170 | //Uint32 frame_color = NULL; |
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| 171 | //Uint8 r, g, b; |
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| 172 | |
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| 173 | isRunning = false; |
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| 174 | |
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| 175 | //r = g = b = 0xFF; |
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| 176 | |
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| 177 | /* |
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| 178 | frame_color = SDL_MapRGB(pscreen->format, r, g, b); |
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| 179 | if(SDL_FillRect(pscreen, NULL, frame_color) < 0) |
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| 180 | { |
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| 181 | std::cout << "Error: Could not set frame to NULL" << std::endl; |
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| 182 | } |
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| 183 | SDL_UpdateRect (pscreen, 0, 0, 0, 0); //update the entire screen |
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| 184 | */ |
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| 185 | } |
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| 186 | |
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| 187 | void WebCamCapture_i::releaseObject() throw (CORBA::SystemException, CF::LifeCycle::ReleaseError) |
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| 188 | { |
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| 189 | DEBUG(3, WebCamCapture, "releaseObject invoked") |
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| 190 | |
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| 191 | if (audioout) |
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| 192 | { |
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| 193 | //SDL_CloseAudioIn(); //stop record |
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| 194 | printf ("free sound buffer\n"); |
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| 195 | } |
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| 196 | printf ("Quiting SDL.\n"); |
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| 197 | //printf ("Decoded frames:%d Average decode time: %f\n",framecount, average_decode_time); |
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| 198 | printf ("unmapping\n"); |
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| 199 | munmap (pFramebuffer, mmapsize); |
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| 200 | |
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| 201 | printf ("closing\n"); |
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| 202 | close (fd); |
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| 203 | printf ("closed\n"); |
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| 204 | |
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| 205 | printf ("Quiting....\n"); |
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| 206 | SDL_Quit (); |
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| 207 | printf("Done Shutting Down, WebCam\n"); |
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| 208 | component_running->signal(); |
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| 209 | } |
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| 210 | |
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| 211 | void WebCamCapture_i::initialize() throw (CF::LifeCycle::InitializeError, CORBA::SystemException) |
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| 212 | { |
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| 213 | DEBUG(3, WebCamCapture, "initialize invoked") |
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| 214 | |
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| 215 | int f = 0; |
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| 216 | int bpp = 3; |
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| 217 | |
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| 218 | //isRunning = false; |
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| 219 | std::cout << "initialize called on WebCam" << std::endl; |
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| 220 | |
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| 221 | printf ("Initializing SDL.\n"); |
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| 222 | |
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| 223 | /* Initialize defaults, Video and Audio */ |
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| 224 | if ((SDL_Init (SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1)) |
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| 225 | { |
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| 226 | printf ("Could not initialize SDL: %s.\n", SDL_GetError ()); |
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| 227 | exit (-1); |
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| 228 | } |
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| 229 | |
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| 230 | /* Clean up on exit */ |
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| 231 | atexit (SDL_Quit); |
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| 232 | if(!owidth || !oheight) |
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| 233 | { |
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| 234 | owidth = image_width; |
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| 235 | oheight = image_height; |
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| 236 | } |
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| 237 | printf ("SDL initialized.\n"); |
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| 238 | /* validate parameters */ |
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| 239 | // printf ("bpp %d format %d\n", bpp, format); |
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| 240 | |
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| 241 | if (videodevice == NULL || *videodevice == 0) |
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| 242 | { |
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| 243 | videodevice = "/dev/video0"; |
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| 244 | } |
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| 245 | printf ("Using video device %s.\n", videodevice); |
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| 246 | printf ("Initializing v4l.\n"); |
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| 247 | |
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| 248 | //v4l init |
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| 249 | if ((fd = open (videodevice, O_RDWR)) == -1) |
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| 250 | { |
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| 251 | perror ("ERROR opening V4L interface \n"); |
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| 252 | exit (1); |
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| 253 | } |
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| 254 | printf("**************** PROBING CAMERA *********************\n"); |
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| 255 | /*Get Video Device Capabilities*/ |
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| 256 | if (ioctl (fd, VIDIOCGCAP, &videocap) == -1) |
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| 257 | { |
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| 258 | printf ("wrong device\n"); |
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| 259 | exit (1); |
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| 260 | } |
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| 261 | |
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| 262 | printf("Camera found: %s \n",videocap.name); |
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| 263 | printf("Camera Type: %d \n", videocap.type); |
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| 264 | |
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| 265 | /*Get Video Device Video Channel*/ |
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| 266 | if (ioctl (fd, VIDIOCGCHAN, &videochan) == -1) |
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| 267 | { |
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| 268 | printf ("Hmm did not support Video_channel\n"); |
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| 269 | isVideoChannel = 0; |
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| 270 | } |
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| 271 | if (isVideoChannel) |
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| 272 | { |
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| 273 | videochan.norm = norme; |
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| 274 | videochan.channel = channel; |
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| 275 | /*Set Video Channel and Norm by channel*/ |
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| 276 | if (ioctl (fd, VIDIOCSCHAN, &videochan) == -1) |
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| 277 | { |
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| 278 | printf ("ERROR setting channel and norme \n"); |
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| 279 | exit (1); |
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| 280 | } |
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| 281 | /************ just to be sure *************/ |
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| 282 | /*Not sure if this is doing what he thinks...should check to see if the Channel and Norm got set correctly. */ |
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| 283 | if (ioctl (fd, VIDIOCGCHAN, &videochan) == -1) |
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| 284 | { |
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| 285 | printf ("wrong device\n"); |
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| 286 | exit (1); |
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| 287 | } |
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| 288 | printf("Bridge found: %s \n",videochan.name); |
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| 289 | streamid = getStreamId (videochan.name); //find out what type of camera |
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| 290 | |
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| 291 | /*Logitech QuickCam Communicate STX is a JPEG camera*/ |
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| 292 | if (streamid >= 0) |
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| 293 | { |
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| 294 | printf("StreamId: %s Camera\n",Plist[streamid].name); |
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| 295 | /* look a spca5xx webcam try to set the video param struct */ |
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| 296 | spcaPrintParam (fd,&videoparam); |
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| 297 | } |
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| 298 | else |
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| 299 | { |
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| 300 | printf("StreamId: %d Unknow Camera\n",streamid); |
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| 301 | } |
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| 302 | /* test jpeg capability if not and jpeg ask without raw data |
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| 303 | set default format to YUVP */ |
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| 304 | if ((format == VIDEO_PALETTE_RAW_JPEG || format == VIDEO_PALETTE_JPEG )&& streamid != JPEG && videoOn) |
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| 305 | { |
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| 306 | printf ("Camera unable to stream in JPEG mode switch to YUV420P\n"); |
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| 307 | format = VIDEO_PALETTE_YUV420P; |
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| 308 | } |
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| 309 | if(probeSize(videochan.name,&image_width,&image_height) < 0) |
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| 310 | printf("unable to probe size !!\n"); |
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| 311 | } |
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| 312 | printf("*****************************************************\n"); |
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| 313 | /* Init grab method mmap */ |
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| 314 | |
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| 315 | printf(" grabbing method default MMAP asked \n"); |
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| 316 | // MMAP VIDEO acquisition |
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| 317 | memset (&videombuf, 0, sizeof (videombuf)); |
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| 318 | if (ioctl (fd, VIDIOCGMBUF, &videombuf) < 0) { |
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| 319 | perror (" init VIDIOCGMBUF FAILED\n"); |
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| 320 | } |
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| 321 | printf ("VIDIOCGMBUF size %d frames %d offets[0]=%d offsets[1]=%d\n", videombuf.size, videombuf.frames, videombuf.offsets[0], videombuf.offsets[1]); |
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| 322 | |
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| 323 | pFramebuffer = (unsigned char *) mmap (0, videombuf.size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); |
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| 324 | mmapsize = videombuf.size; |
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| 325 | vmmap.height = image_height; |
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| 326 | vmmap.width = image_width; |
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| 327 | vmmap.format = format; |
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| 328 | for (f = 0; f < videombuf.frames; f++) |
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| 329 | { |
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| 330 | vmmap.frame = f; |
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| 331 | if (ioctl (fd, VIDIOCMCAPTURE, &vmmap)) |
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| 332 | { |
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| 333 | perror ("cmcapture"); |
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| 334 | } |
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| 335 | } |
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| 336 | |
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| 337 | vmmap.frame = 0; |
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| 338 | |
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| 339 | |
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| 340 | frame_size = image_width * image_height; |
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| 341 | |
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| 342 | /* struct video_picture VIDIOCGPICT VIDIOCSPICT */ |
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| 343 | if (ioctl (fd, VIDIOCGPICT, &videopict) < 0) { |
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| 344 | perror ("Couldnt get videopict params with VIDIOCGPICT\n"); |
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| 345 | } |
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| 346 | |
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| 347 | videopict.palette = format; |
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| 348 | videopict.depth = bpp * 8; |
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| 349 | //videopict.brightness = INIT_BRIGHT; |
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| 350 | sleep (1); |
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| 351 | /*Set Video Picture Param.*/ |
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| 352 | setVideoPict (&videopict, fd); |
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| 353 | |
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| 354 | /* |
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| 355 | * Initialize the display |
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| 356 | */ |
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| 357 | if ( decodeOn && videoOn ) |
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| 358 | { /* Display data */ |
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| 359 | printf("Creating Video Frame...\n"); |
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| 360 | pscreen = SDL_SetVideoMode (owidth, oheight, testbpp, SDL_SWSURFACE); |
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| 361 | if (pscreen == NULL) |
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| 362 | { |
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| 363 | printf ("Couldn't set %d*%dx%d video mode: %s\n", owidth, oheight,3 * 8, SDL_GetError ()); |
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| 364 | exit (1); |
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| 365 | } |
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| 366 | SDL_WM_SetCaption ("OSSIE Web Cam Monitor - Live", NULL); //videocap.name |
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| 367 | printf("Done Creating Video Frame\n"); |
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| 368 | } |
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| 369 | |
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| 370 | } |
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| 371 | |
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| 372 | void |
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| 373 | WebCamCapture_i::query (CF::Properties & configProperties) |
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| 374 | throw (CORBA::SystemException, CF::UnknownProperties) |
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| 375 | { |
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| 376 | // for queries of zero length, return all id/value pairs in propertySet |
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| 377 | if (configProperties.length () == 0) |
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| 378 | { |
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| 379 | configProperties.length (propertySet.length ()); |
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| 380 | for (unsigned int i = 0; i < propertySet.length (); i++) |
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| 381 | { |
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| 382 | configProperties[i].id = CORBA::string_dup (propertySet[i].id); |
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| 383 | configProperties[i].value = propertySet[i].value; |
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| 384 | } |
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| 385 | |
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| 386 | return ; |
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| 387 | } |
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| 388 | else { |
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| 389 | for (unsigned int i = 0; i < configProperties.length(); i++) { |
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| 390 | for (unsigned int j=0; j < propertySet.length(); j++) { |
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| 391 | if ( strcmp(configProperties[i].id, propertySet[i].id) == 0 ){ |
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| 392 | configProperties[i].value = propertySet[i].value; |
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| 393 | } |
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| 394 | } |
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| 395 | } |
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| 396 | } |
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| 397 | } |
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| 398 | |
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| 399 | |
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| 400 | |
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| 401 | void WebCamCapture_i::configure(const CF::Properties& props) throw (CORBA::SystemException, CF::PropertySet::InvalidConfiguration, CF::PropertySet::PartialConfiguration) |
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| 402 | { |
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| 403 | static int init = 0; |
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| 404 | DEBUG(3, WebCamCapture, "configure invoked") |
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| 405 | |
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| 406 | std::cout << "props length : " << props.length() << std::endl; |
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| 407 | |
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| 408 | std::cout << "Component - WEBCAM CAPTURE" << std::endl; |
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| 409 | if (init == 0){ |
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| 410 | std::cout << " WebcamCapture - initial configure call .." << std::endl; |
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| 411 | propertySet.length(props.length()); |
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| 412 | for (unsigned int i=0; i < props.length(); i++) { |
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| 413 | std::cout << "Property Id : " << props[i].id << std::endl; |
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| 414 | propertySet[i].id = CORBA::string_dup(props[i].id); |
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| 415 | propertySet[i].value = props[i].value; |
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| 416 | } |
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| 417 | init = 1; |
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| 418 | return; |
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| 419 | } |
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| 420 | else { |
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| 421 | |
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| 422 | |
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| 423 | for (unsigned int i = 0; i <props.length(); i++) |
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| 424 | { |
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| 425 | std::cout << "Property id : " << props[i].id << std::endl; |
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| 426 | |
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| 427 | if (strcmp(props[i].id, "DCE:3dd2928a-c369-11db-8bd5-000129227a88") == 0) |
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| 428 | { |
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| 429 | CORBA::Short n; |
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| 430 | props[i].value >>= n; |
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| 431 | quality = n; |
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| 432 | std::cout << "WebCam: Quality (1 - 5): " << quality << std::endl; |
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| 433 | spcaSetQuality(fd, &videoparam, (unsigned char)quality); |
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| 434 | |
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| 435 | |
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| 436 | std::cout << "Property id : " << props[i].id << std::endl; |
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| 437 | // Update value of this property in propertySet also |
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| 438 | for (unsigned int j=0; j < propertySet.length(); j++ ) { |
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| 439 | if ( strcmp(propertySet[j].id, props[i].id) == 0 ) { |
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| 440 | propertySet[i].value = props[i].value; |
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| 441 | break; |
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| 442 | } |
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| 443 | } |
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| 444 | |
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| 445 | } |
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| 446 | |
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| 447 | } |
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| 448 | } |
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| 449 | } |
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| 450 | |
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| 451 | void WebCamCapture_i::run_loop() |
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| 452 | { |
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| 453 | DEBUG(3, WebCamCapture, "run loop invoked") |
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| 454 | |
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| 455 | PortTypes::CharSequence I_out; |
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| 456 | short N; |
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| 457 | |
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| 458 | tmp = NULL; |
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| 459 | int i = 0; |
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| 460 | int status; |
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| 461 | |
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| 462 | |
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| 463 | while( true ) |
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| 464 | { |
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| 465 | N = frame_size; |
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| 466 | I_out.length(N); |
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| 467 | if(isRunning) |
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| 468 | { |
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| 469 | tmp = (unsigned char*)malloc (frame_size); |
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| 470 | //std::cout << "Running...Frame Size: " << frame_size << std::endl; |
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| 471 | memset(tmp,0x00,frame_size); |
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| 472 | //intime = SDL_GetTicks (); |
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| 473 | //pictime = intime - delaytime; |
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| 474 | //delaytime = intime; |
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| 475 | /* Try to synchronize sound with frame rate */ |
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| 476 | if (initAudio && i > 9) |
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| 477 | { |
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| 478 | initAudio = 0; |
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| 479 | // SDL_PauseAudioIn(0); // start record |
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| 480 | } |
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| 481 | /* compute bytes sound */ |
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| 482 | //if (pictime < 100) |
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| 483 | //{ |
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| 484 | // bytes_per_read =((AUDIO_SAMPLERATE / 1000) * 2 * pictime); |
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| 485 | //} |
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| 486 | //i++; |
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| 487 | ff = vmmap.frame; |
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| 488 | if (ioctl (fd, VIDIOCSYNC, &ff) < 0) |
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| 489 | { |
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| 490 | perror ("cvsync err\n"); |
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| 491 | } |
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| 492 | vmmap.frame = ff; |
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| 493 | memcpy (tmp, pFramebuffer + videombuf.offsets[vmmap.frame], frame_size); |
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| 494 | if ((status = ioctl (fd, VIDIOCMCAPTURE, &vmmap)) < 0) |
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| 495 | { |
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| 496 | //std::cout << "VIDEOCMCAPTURE" << std::endl; |
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| 497 | perror ("cmcapture"); |
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| 498 | printf (">>cmcapture err %d\n", status); |
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| 499 | } |
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| 500 | vmmap.frame = (vmmap.frame + 1) % videombuf.frames; |
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| 501 | |
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| 502 | // synctime = SDL_GetTicks (); |
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| 503 | /*here the frame is in tmp ready to used */ |
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| 504 | |
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| 505 | //Send WebCam->tmp (unsigned char*) out to packetizer |
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| 506 | |
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| 507 | /*This just updates the OSSIE WebCam Monitor - Live*/ |
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| 508 | //if ( decodeOn && videoOn && (i > 10)) |
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| 509 | // { |
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| 510 | //std::cout << "Update OSSIE WebCam Monitor - Live" << std::endl; |
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| 511 | refresh_screen(tmp,(unsigned char*)(pscreen->pixels),format,image_width,image_height,owidth,oheight,image_width*image_height*bpp,autobright); |
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| 512 | if (autobright) |
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| 513 | { |
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| 514 | // printf("AutoBright\n"); |
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| 515 | adjust_bright(&videopict, fd); |
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| 516 | } |
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| 517 | //decodetime = SDL_GetTicks (); |
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| 518 | SDL_UpdateRect (pscreen, 0, 0, 0, 0); //update the entire screen |
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| 519 | // } |
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| 520 | //else |
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| 521 | // { |
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| 522 | //decodetime = SDL_GetTicks (); |
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| 523 | // } |
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| 524 | int y = 0; |
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| 525 | for(y = 0; y < N; y++) |
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| 526 | { |
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| 527 | I_out[y] = tmp[y]; |
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| 528 | } |
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| 529 | //std::cout << "Data Transmitted length: " << N << std::endl; |
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| 530 | |
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| 531 | dataOut_0->pushPacket(I_out); |
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| 532 | free(tmp); |
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| 533 | //usleep(400000); |
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| 534 | } |
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| 535 | else |
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| 536 | { |
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| 537 | |
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| 538 | } |
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| 539 | } |
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| 540 | } |
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| 541 | |
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| 542 | |
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