| 1 | /* |
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| 2 | mediastreamer2 library - modular sound and video processing and streaming |
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| 3 | Copyright (C) 2006 Simon MORLAT (simon.morlat@linphone.org) |
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| 4 | |
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| 5 | This program is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU General Public License |
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| 7 | as published by the Free Software Foundation; either version 2 |
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| 8 | of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | This program is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program; if not, write to the Free Software |
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | */ |
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| 19 | |
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| 20 | #include "mediastreamer2/msvideo.h" |
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| 21 | #include "mediastreamer2/msticker.h" |
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| 22 | #include "mediastreamer2/msv4l.h" |
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| 23 | #include "Vfw.h" |
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| 24 | #include <winuser.h> |
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| 25 | #include <Windows.h> |
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| 26 | |
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| 27 | #include "nowebcam.h" |
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| 28 | #include "mediastreamer2/mswebcam.h" |
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| 29 | |
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| 30 | #ifndef _MSC_VER |
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| 31 | #include "vfw-missing.h" |
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| 32 | #endif |
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| 33 | |
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| 34 | #define AMD_HACK2 |
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| 35 | |
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| 36 | typedef struct V4wState{ |
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| 37 | #ifdef AMD_HACK2 |
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| 38 | ms_thread_t thread; |
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| 39 | ms_mutex_t thread_lock; |
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| 40 | ms_cond_t thread_cond; |
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| 41 | bool_t thread_running; |
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| 42 | #endif |
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| 43 | |
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| 44 | char dev[512]; |
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| 45 | int devidx; |
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| 46 | HWND capvideo; |
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| 47 | MSVideoSize vsize; |
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| 48 | int pix_fmt; |
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| 49 | mblk_t *mire[10]; |
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| 50 | queue_t rq; |
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| 51 | ms_mutex_t mutex; |
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| 52 | int frame_ind; |
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| 53 | int frame_max; |
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| 54 | float fps; |
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| 55 | float start_time; |
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| 56 | int frame_count; |
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| 57 | bool_t running; |
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| 58 | bool_t startwith_yuv_bug; /* avoid bug with USB vimicro cards. */ |
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| 59 | bool_t started; |
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| 60 | bool_t autostarted; |
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| 61 | }V4wState; |
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| 62 | |
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| 63 | static void dummy(void*p){ |
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| 64 | } |
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| 65 | |
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| 66 | LRESULT CALLBACK VideoStreamCallback(HWND hWnd, LPVIDEOHDR lpVHdr) |
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| 67 | { |
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| 68 | V4wState *s; |
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| 69 | mblk_t *buf; |
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| 70 | int size; |
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| 71 | |
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| 72 | s = (V4wState *)capGetUserData(hWnd); |
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| 73 | if (s==NULL) |
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| 74 | return FALSE; |
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| 75 | |
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| 76 | size = lpVHdr->dwBufferLength; |
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| 77 | if (size>0 && s->running){ |
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| 78 | buf = esballoc(lpVHdr->lpData,size,0,dummy); |
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| 79 | buf->b_wptr+=size; |
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| 80 | |
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| 81 | ms_mutex_lock(&s->mutex); |
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| 82 | putq(&s->rq, buf); |
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| 83 | ms_mutex_unlock(&s->mutex); |
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| 84 | } |
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| 85 | return TRUE ; |
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| 86 | } |
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| 87 | |
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| 88 | static bool_t try_format(V4wState *s, BITMAPINFO *videoformat, MSPixFmt pixfmt){ |
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| 89 | capGetVideoFormat(s->capvideo, videoformat, sizeof(BITMAPINFO)); |
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| 90 | videoformat->bmiHeader.biSizeImage = 0; |
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| 91 | videoformat->bmiHeader.biWidth = s->vsize.width; |
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| 92 | videoformat->bmiHeader.biHeight = s->vsize.height; |
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| 93 | switch(pixfmt){ |
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| 94 | case MS_YUV420P: |
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| 95 | videoformat->bmiHeader.biBitCount = 12; |
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| 96 | videoformat->bmiHeader.biCompression=MAKEFOURCC('I','4','2','0'); |
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| 97 | break; |
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| 98 | case MS_YUY2: |
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| 99 | videoformat->bmiHeader.biBitCount = 16; |
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| 100 | videoformat->bmiHeader.biCompression=MAKEFOURCC('Y','U','Y','2'); |
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| 101 | break; |
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| 102 | case MS_RGB24: |
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| 103 | videoformat->bmiHeader.biBitCount = 24; |
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| 104 | videoformat->bmiHeader.biCompression=BI_RGB; |
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| 105 | break; |
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| 106 | default: |
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| 107 | return FALSE; |
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| 108 | } |
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| 109 | return capSetVideoFormat(s->capvideo, videoformat, sizeof(BITMAPINFO)); |
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| 110 | } |
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| 111 | |
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| 112 | static int v4w_open_videodevice(V4wState *s) |
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| 113 | { |
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| 114 | CAPTUREPARMS capparam ; |
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| 115 | BITMAPINFO videoformat; |
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| 116 | char compname[5]; |
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| 117 | int i; |
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| 118 | char dev[80]; |
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| 119 | char ver[80]; |
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| 120 | compname[4]='\0'; |
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| 121 | |
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| 122 | for (i = 0; i < 9; i++){ |
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| 123 | if (capGetDriverDescription(i, dev, sizeof (dev), |
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| 124 | ver, sizeof (ver))) |
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| 125 | { |
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| 126 | snprintf(s->dev, sizeof(s->dev), "%s/%s",dev,ver); |
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| 127 | ms_message("v4w: detected %s",s->dev); |
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| 128 | s->devidx=i; |
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| 129 | break; |
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| 130 | } |
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| 131 | } |
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| 132 | if (s->capvideo==NULL) |
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| 133 | { |
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| 134 | s->capvideo = capCreateCaptureWindow("Capture Window",WS_CHILD /* WS_OVERLAPPED */ |
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| 135 | ,0,0,s->vsize.width,s->vsize.height,HWND_MESSAGE, 0) ; |
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| 136 | if (s->capvideo==NULL) |
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| 137 | { |
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| 138 | ms_warning("v4w: could not create capture windows"); |
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| 139 | return -1; |
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| 140 | } |
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| 141 | } |
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| 142 | |
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| 143 | if(!capDriverConnect(s->capvideo,s->devidx )) |
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| 144 | { |
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| 145 | ms_warning("v4w: could not connect to capture driver"); |
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| 146 | DestroyWindow(s->capvideo); |
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| 147 | s->capvideo=NULL; |
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| 148 | s->pix_fmt=MS_YUV420P; /* no webcam stuff */ |
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| 149 | return -1; |
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| 150 | } |
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| 151 | /* |
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| 152 | capPreviewRate(s->capvideo,s->fps) ; |
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| 153 | if(!capPreview (s->capvideo, 1)) |
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| 154 | { |
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| 155 | ms_warning("v4w: cannot start video preview"); |
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| 156 | capDriverDisconnect(s->capvideo); |
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| 157 | DestroyWindow(s->capvideo); |
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| 158 | s->capvideo=NULL; |
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| 159 | return -1; |
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| 160 | } |
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| 161 | */ |
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| 162 | capCaptureGetSetup(s->capvideo,&capparam,sizeof(capparam)) ; |
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| 163 | capparam.dwRequestMicroSecPerFrame = 100000 ; |
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| 164 | // detach capture from application |
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| 165 | capparam.fYield = TRUE ; |
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| 166 | capparam.fMakeUserHitOKToCapture = FALSE; |
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| 167 | capparam.fAbortLeftMouse = FALSE; |
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| 168 | capparam.fAbortRightMouse = FALSE; |
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| 169 | capparam.wPercentDropForError = 90 ; |
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| 170 | capparam.fCaptureAudio = FALSE ; |
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| 171 | capparam.fAbortRightMouse = FALSE; |
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| 172 | capparam.fAbortLeftMouse = FALSE; |
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| 173 | capparam.AVStreamMaster = AVSTREAMMASTER_NONE ; |
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| 174 | |
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| 175 | if (!capCaptureSetSetup(s->capvideo,&capparam,sizeof(capparam))){ |
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| 176 | ms_error("capCaptureSetSetup failed."); |
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| 177 | } |
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| 178 | capSetUserData(s->capvideo, s); |
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| 179 | capGetVideoFormat(s->capvideo, &videoformat, sizeof(BITMAPINFO)); |
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| 180 | /* "orig planes = " disp->videoformat.bmiHeader.biPlanes */ |
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| 181 | /* "orig bitcount = " disp->videoformat.bmiHeader.biBitCount */ |
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| 182 | /* "orig compression = " disp->videoformat.bmiHeader.biCompression */ |
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| 183 | memcpy(compname,&videoformat.bmiHeader.biCompression,4); |
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| 184 | ms_message("v4w: camera's current format is %s", compname); |
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| 185 | |
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| 186 | if (s->startwith_yuv_bug==TRUE && try_format(s,&videoformat,MS_RGB24)){ |
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| 187 | s->pix_fmt=MS_RGB24; |
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| 188 | ms_message("Using RGB24"); |
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| 189 | }else if (try_format(s,&videoformat,MS_YUV420P)){ |
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| 190 | s->pix_fmt=MS_YUV420P; |
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| 191 | ms_message("Using YUV420P"); |
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| 192 | }else if (try_format(s,&videoformat,MS_RGB24)){ |
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| 193 | s->pix_fmt=MS_RGB24; |
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| 194 | ms_message("Using RGB24"); |
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| 195 | s->startwith_yuv_bug=TRUE; |
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| 196 | }else if (try_format(s,&videoformat,MS_YUY2)){ |
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| 197 | s->pix_fmt=MS_YUY2; |
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| 198 | ms_message("Using YUY2"); |
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| 199 | }else{ |
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| 200 | ms_error("v4w: Failed to set any video format."); |
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| 201 | capDriverDisconnect (s->capvideo); |
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| 202 | DestroyWindow(s->capvideo); |
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| 203 | s->capvideo=NULL; |
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| 204 | return -1; |
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| 205 | } |
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| 206 | if (!capSetCallbackOnVideoStream(s->capvideo, VideoStreamCallback)) |
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| 207 | { |
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| 208 | ms_error("v4w: fail to set capture callback"); |
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| 209 | capDriverDisconnect (s->capvideo); |
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| 210 | DestroyWindow(s->capvideo); |
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| 211 | s->capvideo=NULL; |
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| 212 | return -1; |
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| 213 | } |
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| 214 | if (!capCaptureSequenceNoFile(s->capvideo)){ |
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| 215 | ms_error("v4w: fail to start capture"); |
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| 216 | capDriverDisconnect (s->capvideo); |
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| 217 | capSetCallbackOnVideoStream(s->capvideo, NULL); |
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| 218 | DestroyWindow(s->capvideo); |
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| 219 | s->capvideo=NULL; |
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| 220 | } |
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| 221 | return 0; |
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| 222 | } |
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| 223 | |
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| 224 | static void v4w_init(MSFilter *f){ |
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| 225 | V4wState *s=(V4wState *)ms_new0(V4wState,1); |
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| 226 | int idx; |
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| 227 | s->vsize.width=MS_VIDEO_SIZE_CIF_W; |
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| 228 | s->vsize.height=MS_VIDEO_SIZE_CIF_H; |
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| 229 | s->pix_fmt=MS_RGB24; |
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| 230 | |
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| 231 | s->capvideo=NULL; |
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| 232 | qinit(&s->rq); |
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| 233 | for (idx=0;idx<10;idx++) |
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| 234 | { |
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| 235 | s->mire[idx]=NULL; |
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| 236 | } |
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| 237 | ms_mutex_init(&s->mutex,NULL); |
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| 238 | s->start_time=0; |
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| 239 | s->frame_count=-1; |
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| 240 | s->fps=15; |
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| 241 | s->started=FALSE; |
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| 242 | s->autostarted=FALSE; |
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| 243 | |
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| 244 | #ifdef AMD_HACK2 |
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| 245 | /* avoid bug with USB vimicro cards: |
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| 246 | How can I detect that this problem exist? |
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| 247 | */ |
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| 248 | s->startwith_yuv_bug=FALSE; |
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| 249 | #endif |
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| 250 | |
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| 251 | #ifdef AMD_HACK2 |
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| 252 | s->thread = NULL; |
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| 253 | ms_mutex_init(&s->thread_lock,NULL); |
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| 254 | ms_cond_init(&s->thread_cond,NULL); |
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| 255 | s->thread_running = FALSE; |
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| 256 | #endif |
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| 257 | |
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| 258 | f->data=s; |
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| 259 | } |
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| 260 | |
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| 261 | static int _v4w_start(V4wState *s, void *arg) |
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| 262 | { |
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| 263 | int i; |
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| 264 | s->frame_count=-1; |
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| 265 | i = v4w_open_videodevice(s); |
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| 266 | if (i==0 && s->startwith_yuv_bug==TRUE) |
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| 267 | { |
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| 268 | /* reopen device directly with MS_RGB24 */ |
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| 269 | if (s->capvideo){ |
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| 270 | capSetUserData(s->capvideo, (long) 0); |
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| 271 | capCaptureStop(s->capvideo); |
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| 272 | capCaptureAbort(s->capvideo); |
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| 273 | capDriverDisconnect(s->capvideo); |
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| 274 | capSetCallbackOnVideoStream(s->capvideo, NULL); |
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| 275 | flushq(&s->rq,0); |
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| 276 | ms_message("v4w: destroying capture window"); |
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| 277 | DestroyWindow(s->capvideo); |
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| 278 | ms_message("v4w: capture window destroyed"); |
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| 279 | s->capvideo=NULL; |
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| 280 | } |
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| 281 | i = v4w_open_videodevice(s); |
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| 282 | } |
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| 283 | return i; |
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| 284 | } |
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| 285 | |
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| 286 | static int _v4w_stop(V4wState *s, void *arg){ |
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| 287 | s->frame_count=-1; |
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| 288 | if (s->capvideo){ |
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| 289 | capCaptureStop(s->capvideo); |
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| 290 | Sleep(1000); |
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| 291 | //capCaptureAbort(s->capvideo); |
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| 292 | capSetCallbackOnVideoStream(s->capvideo, NULL); |
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| 293 | //SendMessage(s->capvideo, WM_CLOSE, 0, 0); |
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| 294 | capDriverDisconnect(s->capvideo); |
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| 295 | capSetUserData(s->capvideo, (long) 0); |
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| 296 | flushq(&s->rq,0); |
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| 297 | ms_message("v4w: destroying capture window"); |
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| 298 | DestroyWindow(s->capvideo); |
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| 299 | ms_message("v4w: capture window destroyed"); |
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| 300 | s->capvideo=NULL; |
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| 301 | } |
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| 302 | #if 0 |
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| 303 | if (s->capvideo){ |
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| 304 | CAPSTATUS status; |
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| 305 | capCaptureStop(s->capvideo); |
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| 306 | capDriverDisconnect(s->capvideo); |
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| 307 | capCaptureAbort(s->capvideo); |
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| 308 | |
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| 309 | capSetCallbackOnVideoStream(s->capvideo, NULL); |
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| 310 | while (1) |
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| 311 | { |
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| 312 | if (capGetStatus(s->capvideo, &status, sizeof(status))) |
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| 313 | { |
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| 314 | if (status.fCapturingNow==FALSE) |
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| 315 | break; |
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| 316 | Sleep(10); |
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| 317 | ms_message("still capturing"); |
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| 318 | } |
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| 319 | } |
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| 320 | DestroyWindow(s->capvideo); |
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| 321 | s->capvideo=NULL; |
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| 322 | } |
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| 323 | #endif |
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| 324 | return 0; |
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| 325 | } |
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| 326 | |
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| 327 | #ifdef AMD_HACK2 |
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| 328 | |
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| 329 | void * |
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| 330 | v4w_thread(void *arg) |
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| 331 | { |
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| 332 | V4wState *s=(V4wState*)arg; |
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| 333 | MSG msg; |
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| 334 | |
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| 335 | ms_mutex_lock(&s->thread_lock); |
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| 336 | _v4w_start(s, NULL); |
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| 337 | ms_cond_signal(&s->thread_cond); |
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| 338 | ms_mutex_unlock(&s->thread_lock); |
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| 339 | |
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| 340 | while(s->thread_running) |
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| 341 | { |
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| 342 | BOOL fGotMessage; |
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| 343 | if((fGotMessage = PeekMessage(&msg, (HWND) s->capvideo, 0, 0, PM_REMOVE)) != 0) |
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| 344 | { |
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| 345 | TranslateMessage(&msg); |
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| 346 | DispatchMessage(&msg); |
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| 347 | } |
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| 348 | else |
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| 349 | Sleep(10); |
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| 350 | } |
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| 351 | |
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| 352 | ms_mutex_lock(&s->thread_lock); |
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| 353 | _v4w_stop(s, NULL); |
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| 354 | ms_cond_signal(&s->thread_cond); |
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| 355 | ms_mutex_unlock(&s->thread_lock); |
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| 356 | ms_thread_exit(NULL); |
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| 357 | return NULL; |
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| 358 | } |
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| 359 | |
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| 360 | |
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| 361 | static int v4w_start(MSFilter *f, void *arg){ |
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| 362 | V4wState *s=(V4wState*)f->data; |
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| 363 | s->thread_running=TRUE; |
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| 364 | ms_thread_create(&s->thread,NULL,v4w_thread,s); |
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| 365 | ms_mutex_lock(&s->thread_lock); |
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| 366 | ms_cond_wait(&s->thread_cond,&s->thread_lock); |
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| 367 | ms_mutex_unlock(&s->thread_lock); |
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| 368 | s->started=TRUE; |
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| 369 | return 0; |
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| 370 | } |
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| 371 | |
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| 372 | static int v4w_stop(MSFilter *f, void *arg){ |
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| 373 | V4wState *s=(V4wState*)f->data; |
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| 374 | ms_mutex_lock(&s->thread_lock); |
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| 375 | s->thread_running=FALSE; |
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| 376 | //SendMessage(s->capvideo, WM_CLOSE, 0, 0); |
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| 377 | ms_cond_wait(&s->thread_cond,&s->thread_lock); |
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| 378 | ms_mutex_unlock(&s->thread_lock); |
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| 379 | ms_thread_join(s->thread,NULL); |
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| 380 | s->started=FALSE; |
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| 381 | return 0; |
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| 382 | } |
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| 383 | |
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| 384 | #else |
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| 385 | |
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| 386 | static int v4w_start(MSFilter *f, void *arg){ |
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| 387 | V4wState *s=(V4wState*)f->data; |
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| 388 | _v4w_start(s, NULL); |
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| 389 | s->started=TRUE; |
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| 390 | return 0; |
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| 391 | } |
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| 392 | |
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| 393 | static int v4w_stop(MSFilter *f, void *arg){ |
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| 394 | V4wState *s=(V4wState*)f->data; |
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| 395 | _v4w_stop(s, NULL); |
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| 396 | s->started=FALSE; |
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| 397 | return 0; |
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| 398 | } |
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| 399 | |
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| 400 | #endif |
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| 401 | |
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| 402 | static void v4w_uninit(MSFilter *f){ |
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| 403 | V4wState *s=(V4wState*)f->data; |
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| 404 | int idx; |
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| 405 | flushq(&s->rq,0); |
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| 406 | ms_mutex_destroy(&s->mutex); |
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| 407 | for (idx=0;idx<10;idx++) |
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| 408 | { |
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| 409 | if (s->mire[idx]==NULL) |
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| 410 | break; |
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| 411 | freemsg(s->mire[idx]); |
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| 412 | } |
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| 413 | if (s->capvideo!=NULL) |
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| 414 | { |
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| 415 | ms_message("v4w: destroying capture window"); |
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| 416 | DestroyWindow(s->capvideo); |
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| 417 | ms_message("v4w: capture window destroyed"); |
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| 418 | s->capvideo=NULL; |
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| 419 | } |
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| 420 | #ifdef AMD_HACK2 |
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| 421 | ms_cond_destroy(&s->thread_cond); |
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| 422 | ms_mutex_destroy(&s->thread_lock); |
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| 423 | #endif |
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| 424 | ms_free(s); |
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| 425 | } |
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| 426 | |
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| 427 | static mblk_t * v4w_make_nowebcam(V4wState *s){ |
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| 428 | int idx; |
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| 429 | int count; |
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| 430 | if (s->mire[0]==NULL && s->frame_ind==0){ |
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| 431 | /* load several images to fake a movie */ |
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| 432 | for (idx=0;idx<10;idx++) |
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| 433 | { |
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| 434 | s->mire[idx]=ms_load_nowebcam(&s->vsize, idx); |
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| 435 | if (s->mire[idx]==NULL) |
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| 436 | break; |
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| 437 | } |
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| 438 | if (idx==0) |
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| 439 | s->mire[0]=ms_load_nowebcam(&s->vsize, -1); |
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| 440 | } |
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| 441 | for (count=0;count<10;count++) |
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| 442 | { |
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| 443 | if (s->mire[count]==NULL) |
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| 444 | break; |
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| 445 | } |
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| 446 | |
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| 447 | s->frame_ind++; |
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| 448 | if (count==0) |
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| 449 | return NULL; |
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| 450 | |
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| 451 | idx = s->frame_ind%count; |
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| 452 | if (s->mire[idx]!=NULL) |
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| 453 | return s->mire[idx]; |
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| 454 | return s->mire[0]; |
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| 455 | } |
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| 456 | |
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| 457 | static void v4w_preprocess(MSFilter * obj){ |
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| 458 | V4wState *s=(V4wState*)obj->data; |
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| 459 | if (!s->started) { |
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| 460 | ms_message("V4W auto-started."); |
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| 461 | v4w_start(obj,NULL); |
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| 462 | s->autostarted=TRUE; |
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| 463 | } |
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| 464 | s->running=TRUE; |
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| 465 | if (s->capvideo==NULL) |
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| 466 | s->fps=1; |
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| 467 | } |
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| 468 | |
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| 469 | static void v4w_postprocess(MSFilter * obj){ |
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| 470 | V4wState *s=(V4wState*)obj->data; |
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| 471 | s->running=FALSE; |
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| 472 | if (s->autostarted){ |
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| 473 | v4w_stop(obj,NULL); |
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| 474 | } |
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| 475 | } |
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| 476 | |
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| 477 | static void v4w_process(MSFilter * obj){ |
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| 478 | V4wState *s=(V4wState*)obj->data; |
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| 479 | mblk_t *m; |
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| 480 | uint32_t timestamp; |
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| 481 | int cur_frame; |
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| 482 | |
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| 483 | if (s->frame_count==-1){ |
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| 484 | s->start_time=obj->ticker->time; |
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| 485 | s->frame_count=0; |
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| 486 | } |
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| 487 | |
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| 488 | |
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| 489 | cur_frame=((obj->ticker->time-s->start_time)*s->fps/1000.0); |
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| 490 | if (cur_frame>s->frame_count){ |
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| 491 | mblk_t *om=NULL; |
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| 492 | ms_mutex_lock(&s->mutex); |
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| 493 | /*keep the most recent frame if several frames have been captured */ |
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| 494 | if (s->capvideo!=NULL){ |
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| 495 | while((m=getq(&s->rq))!=NULL){ |
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| 496 | if (om!=NULL) freemsg(om); |
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| 497 | om=m; |
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| 498 | } |
|---|
| 499 | }else { |
|---|
| 500 | mblk_t *nowebcam = v4w_make_nowebcam(s); |
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| 501 | if (nowebcam!=NULL) |
|---|
| 502 | om=dupmsg(nowebcam); |
|---|
| 503 | } |
|---|
| 504 | ms_mutex_unlock(&s->mutex); |
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| 505 | if (om!=NULL){ |
|---|
| 506 | timestamp=obj->ticker->time*90;/* rtp uses a 90000 Hz clockrate for video*/ |
|---|
| 507 | mblk_set_timestamp_info(om,timestamp); |
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| 508 | ms_queue_put(obj->outputs[0],om); |
|---|
| 509 | } |
|---|
| 510 | s->frame_count++; |
|---|
| 511 | } |
|---|
| 512 | } |
|---|
| 513 | |
|---|
| 514 | static int v4w_set_fps(MSFilter *f, void *arg){ |
|---|
| 515 | V4wState *s=(V4wState*)f->data; |
|---|
| 516 | s->fps=*((float*)arg); |
|---|
| 517 | return 0; |
|---|
| 518 | } |
|---|
| 519 | |
|---|
| 520 | static int v4w_get_pix_fmt(MSFilter *f,void *arg){ |
|---|
| 521 | V4wState *s=(V4wState*)f->data; |
|---|
| 522 | if (!s->started) { |
|---|
| 523 | ms_message("V4W auto-started in v4w_get_pix_fmt()"); |
|---|
| 524 | v4w_start(f,NULL); |
|---|
| 525 | s->autostarted=TRUE; |
|---|
| 526 | } |
|---|
| 527 | *((MSPixFmt*)arg) = (MSPixFmt)s->pix_fmt; |
|---|
| 528 | return 0; |
|---|
| 529 | } |
|---|
| 530 | |
|---|
| 531 | static int v4w_set_vsize(MSFilter *f, void *arg){ |
|---|
| 532 | V4wState *s=(V4wState*)f->data; |
|---|
| 533 | s->vsize=*((MSVideoSize*)arg); |
|---|
| 534 | return 0; |
|---|
| 535 | } |
|---|
| 536 | |
|---|
| 537 | static int v4w_get_vsize(MSFilter *f, void *arg){ |
|---|
| 538 | V4wState *s=(V4wState*)f->data; |
|---|
| 539 | MSVideoSize *vs=(MSVideoSize*)arg; |
|---|
| 540 | vs->width=s->vsize.width; |
|---|
| 541 | vs->height=s->vsize.height; |
|---|
| 542 | return 0; |
|---|
| 543 | } |
|---|
| 544 | |
|---|
| 545 | static MSFilterMethod methods[]={ |
|---|
| 546 | { MS_FILTER_SET_FPS , v4w_set_fps }, |
|---|
| 547 | { MS_FILTER_GET_PIX_FMT , v4w_get_pix_fmt }, |
|---|
| 548 | { MS_FILTER_SET_VIDEO_SIZE, v4w_set_vsize }, |
|---|
| 549 | { MS_FILTER_GET_VIDEO_SIZE, v4w_get_vsize }, |
|---|
| 550 | { MS_V4L_START , v4w_start }, |
|---|
| 551 | { MS_V4L_STOP , v4w_stop }, |
|---|
| 552 | { 0 , NULL } |
|---|
| 553 | }; |
|---|
| 554 | |
|---|
| 555 | #ifdef _MSC_VER |
|---|
| 556 | |
|---|
| 557 | MSFilterDesc ms_v4w_desc={ |
|---|
| 558 | MS_V4L_ID, |
|---|
| 559 | "MSV4w", |
|---|
| 560 | "A video4windows compatible source filter to stream pictures.", |
|---|
| 561 | MS_FILTER_OTHER, |
|---|
| 562 | NULL, |
|---|
| 563 | 0, |
|---|
| 564 | 1, |
|---|
| 565 | v4w_init, |
|---|
| 566 | v4w_preprocess, |
|---|
| 567 | v4w_process, |
|---|
| 568 | v4w_postprocess, |
|---|
| 569 | v4w_uninit, |
|---|
| 570 | methods |
|---|
| 571 | }; |
|---|
| 572 | |
|---|
| 573 | #else |
|---|
| 574 | |
|---|
| 575 | MSFilterDesc ms_v4w_desc={ |
|---|
| 576 | .id=MS_V4L_ID, |
|---|
| 577 | .name="MSV4w", |
|---|
| 578 | .text="A video4windows compatible source filter to stream pictures.", |
|---|
| 579 | .ninputs=0, |
|---|
| 580 | .noutputs=1, |
|---|
| 581 | .category=MS_FILTER_OTHER, |
|---|
| 582 | .init=v4w_init, |
|---|
| 583 | .preprocess=v4w_preprocess, |
|---|
| 584 | .process=v4w_process, |
|---|
| 585 | .postprocess=v4w_postprocess, |
|---|
| 586 | .uninit=v4w_uninit, |
|---|
| 587 | .methods=methods |
|---|
| 588 | }; |
|---|
| 589 | |
|---|
| 590 | #endif |
|---|
| 591 | |
|---|
| 592 | MS_FILTER_DESC_EXPORT(ms_v4w_desc) |
|---|
| 593 | |
|---|
| 594 | static void ms_v4w_detect(MSWebCamManager *obj); |
|---|
| 595 | |
|---|
| 596 | static void ms_v4w_cam_init(MSWebCam *cam){ |
|---|
| 597 | } |
|---|
| 598 | |
|---|
| 599 | |
|---|
| 600 | static MSFilter *ms_v4w_create_reader(MSWebCam *obj){ |
|---|
| 601 | MSFilter *f= ms_filter_new_from_desc(&ms_v4w_desc); |
|---|
| 602 | V4wState *s=(V4wState*)f->data; |
|---|
| 603 | s->devidx=(int)obj->data; |
|---|
| 604 | return f; |
|---|
| 605 | } |
|---|
| 606 | |
|---|
| 607 | MSWebCamDesc ms_v4w_cam_desc={ |
|---|
| 608 | "VideoForWindows grabber", |
|---|
| 609 | &ms_v4w_detect, |
|---|
| 610 | &ms_v4w_cam_init, |
|---|
| 611 | &ms_v4w_create_reader, |
|---|
| 612 | NULL |
|---|
| 613 | }; |
|---|
| 614 | |
|---|
| 615 | static void ms_v4w_detect(MSWebCamManager *obj){ |
|---|
| 616 | int i; |
|---|
| 617 | char dev[80]; |
|---|
| 618 | char ver[80]; |
|---|
| 619 | char name[160]; |
|---|
| 620 | MSWebCam *cam; |
|---|
| 621 | for (i = 0; i < 9; i++){ |
|---|
| 622 | if (capGetDriverDescription(i, dev, sizeof (dev), |
|---|
| 623 | ver, sizeof (ver))){ |
|---|
| 624 | HWND hwnd=capCreateCaptureWindow("Capture Window",WS_CHILD /* WS_OVERLAPPED */ |
|---|
| 625 | ,0,0,352,288,HWND_MESSAGE, 0) ; |
|---|
| 626 | if (hwnd==NULL) break; |
|---|
| 627 | if(!capDriverConnect(hwnd,i )){ |
|---|
| 628 | ms_warning("v4w: could not connect to capture driver, no webcam connected."); |
|---|
| 629 | DestroyWindow(hwnd); |
|---|
| 630 | break; |
|---|
| 631 | }else{ |
|---|
| 632 | capDriverDisconnect(hwnd); |
|---|
| 633 | DestroyWindow(hwnd); |
|---|
| 634 | } |
|---|
| 635 | snprintf(name, sizeof(name), "%s/%s",dev,ver); |
|---|
| 636 | cam=ms_web_cam_new(&ms_v4w_cam_desc); |
|---|
| 637 | cam->data=(void*)i;/*store the device index */ |
|---|
| 638 | cam->name=ms_strdup(name); |
|---|
| 639 | ms_web_cam_manager_add_cam(obj,cam); |
|---|
| 640 | } |
|---|
| 641 | } |
|---|
| 642 | } |
|---|
| 643 | |
|---|