| 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 | #ifdef HAVE_CONFIG_H |
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| 21 | #include "mediastreamer-config.h" |
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| 22 | #endif |
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| 23 | |
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| 24 | #include "mediastreamer2/msfilter.h" |
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| 25 | #include "mediastreamer2/msvideo.h" |
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| 26 | #include "mediastreamer2/msvideoout.h" |
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| 27 | |
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| 28 | #include "ffmpeg-priv.h" |
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| 29 | |
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| 30 | static int video_out_handle_resize(MSFilter *f, void *arg); |
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| 31 | |
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| 32 | bool_t ms_display_poll_event(MSDisplay *d, MSDisplayEvent *ev){ |
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| 33 | if (d->desc->pollevent) |
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| 34 | return d->desc->pollevent(d,ev); |
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| 35 | else return FALSE; |
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| 36 | } |
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| 37 | |
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| 38 | #ifndef WIN32 |
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| 39 | |
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| 40 | #include <SDL/SDL.h> |
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| 41 | #include <SDL/SDL_video.h> |
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| 42 | |
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| 43 | static bool_t sdl_initialized=FALSE; |
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| 44 | |
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| 45 | static ms_mutex_t sdl_mutex; |
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| 46 | |
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| 47 | static SDL_Surface *sdl_screen=0; |
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| 48 | |
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| 49 | #ifdef HAVE_X11_XLIB_H |
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| 50 | |
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| 51 | #include <SDL/SDL_syswm.h> |
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| 52 | |
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| 53 | static void sdl_show_window(bool_t show){ |
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| 54 | SDL_SysWMinfo info; |
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| 55 | SDL_VERSION(&info.version); |
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| 56 | if ( SDL_GetWMInfo(&info) ) { |
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| 57 | if ( info.subsystem == SDL_SYSWM_X11 ) { |
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| 58 | Display *display; |
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| 59 | Window window; |
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| 60 | |
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| 61 | info.info.x11.lock_func(); |
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| 62 | display = info.info.x11.display; |
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| 63 | window = info.info.x11.wmwindow; |
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| 64 | if (show) |
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| 65 | XMapWindow(display,window); |
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| 66 | else |
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| 67 | XUnmapWindow(display,window); |
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| 68 | info.info.x11.unlock_func(); |
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| 69 | } |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | #else |
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| 74 | |
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| 75 | static void sdl_show_window(bool_t show){ |
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| 76 | ms_warning("SDL window show/hide not implemented"); |
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| 77 | } |
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| 78 | |
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| 79 | #endif |
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| 80 | |
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| 81 | static SDL_Overlay * sdl_create_window(int w, int h){ |
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| 82 | SDL_Overlay *lay; |
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| 83 | sdl_screen = SDL_SetVideoMode(w,h, 0,SDL_SWSURFACE|SDL_RESIZABLE); |
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| 84 | if (sdl_screen == NULL ) { |
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| 85 | ms_warning("Couldn't set video mode: %s\n", |
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| 86 | SDL_GetError()); |
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| 87 | return NULL; |
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| 88 | } |
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| 89 | if (sdl_screen->flags & SDL_HWSURFACE) ms_message("SDL surface created in hardware"); |
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| 90 | SDL_WM_SetCaption("Linphone Video", NULL); |
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| 91 | ms_message("Using yuv overlay."); |
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| 92 | lay=SDL_CreateYUVOverlay(w,h,SDL_YV12_OVERLAY,sdl_screen); |
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| 93 | if (lay==NULL){ |
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| 94 | ms_warning("Couldn't create yuv overlay: %s\n", |
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| 95 | SDL_GetError()); |
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| 96 | return NULL; |
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| 97 | }else{ |
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| 98 | if (lay->hw_overlay) ms_message("YUV overlay using hardware acceleration."); |
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| 99 | } |
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| 100 | return lay; |
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| 101 | } |
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| 102 | |
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| 103 | static bool_t sdl_display_init(MSDisplay *obj, MSPicture *fbuf){ |
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| 104 | SDL_Overlay *lay; |
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| 105 | if (!sdl_initialized){ |
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| 106 | /* Initialize the SDL library */ |
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| 107 | if( SDL_Init(SDL_INIT_VIDEO) < 0 ) { |
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| 108 | ms_error("Couldn't initialize SDL: %s", SDL_GetError()); |
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| 109 | return FALSE; |
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| 110 | } |
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| 111 | /* Clean up on exit */ |
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| 112 | atexit(SDL_Quit); |
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| 113 | sdl_initialized=TRUE; |
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| 114 | ms_mutex_init(&sdl_mutex,NULL); |
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| 115 | } |
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| 116 | if (obj->data!=NULL) |
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| 117 | SDL_FreeYUVOverlay((SDL_Overlay*)obj->data); |
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| 118 | |
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| 119 | lay=sdl_create_window(fbuf->w, fbuf->h); |
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| 120 | if (lay){ |
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| 121 | fbuf->planes[0]=lay->pixels[0]; |
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| 122 | fbuf->planes[1]=lay->pixels[2]; |
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| 123 | fbuf->planes[2]=lay->pixels[1]; |
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| 124 | fbuf->strides[0]=lay->pitches[0]; |
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| 125 | fbuf->strides[1]=lay->pitches[2]; |
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| 126 | fbuf->strides[2]=lay->pitches[1]; |
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| 127 | obj->data=lay; |
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| 128 | sdl_show_window(TRUE); |
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| 129 | return TRUE; |
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| 130 | } |
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| 131 | return FALSE; |
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| 132 | } |
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| 133 | |
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| 134 | static void sdl_display_lock(MSDisplay *obj){ |
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| 135 | ms_mutex_lock(&sdl_mutex); |
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| 136 | SDL_LockYUVOverlay((SDL_Overlay*)obj->data); |
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| 137 | ms_mutex_unlock(&sdl_mutex); |
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| 138 | } |
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| 139 | |
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| 140 | static void sdl_display_unlock(MSDisplay *obj){ |
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| 141 | SDL_Overlay *lay=(SDL_Overlay*)obj->data; |
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| 142 | ms_mutex_lock(&sdl_mutex); |
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| 143 | SDL_UnlockYUVOverlay(lay); |
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| 144 | ms_mutex_unlock(&sdl_mutex); |
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| 145 | } |
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| 146 | |
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| 147 | static void sdl_display_update(MSDisplay *obj){ |
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| 148 | SDL_Rect rect; |
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| 149 | SDL_Overlay *lay=(SDL_Overlay*)obj->data; |
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| 150 | rect.x=0; |
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| 151 | rect.y=0; |
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| 152 | rect.w=lay->w; |
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| 153 | rect.h=lay->h; |
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| 154 | ms_mutex_lock(&sdl_mutex); |
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| 155 | SDL_DisplayYUVOverlay(lay,&rect); |
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| 156 | ms_mutex_unlock(&sdl_mutex); |
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| 157 | } |
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| 158 | |
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| 159 | static bool_t sdl_poll_event(MSDisplay *obj, MSDisplayEvent *ev){ |
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| 160 | SDL_Event event; |
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| 161 | static MSDisplayEvent last_ev; |
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| 162 | static struct timeval tv; |
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| 163 | static bool_t got_rs_ev=FALSE; |
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| 164 | struct timeval cur; |
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| 165 | int elapsed; |
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| 166 | bool_t ret=FALSE; |
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| 167 | ms_mutex_lock(&sdl_mutex); |
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| 168 | if (SDL_PollEvent(&event)){ |
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| 169 | ms_mutex_unlock(&sdl_mutex); |
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| 170 | switch(event.type){ |
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| 171 | case SDL_VIDEORESIZE: |
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| 172 | last_ev.evtype=MS_DISPLAY_RESIZE_EVENT; |
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| 173 | last_ev.w=event.resize.w; |
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| 174 | last_ev.h=event.resize.h; |
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| 175 | got_rs_ev=TRUE; |
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| 176 | gettimeofday(&tv,NULL); |
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| 177 | break; |
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| 178 | default: |
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| 179 | break; |
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| 180 | } |
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| 181 | }else ms_mutex_unlock(&sdl_mutex); |
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| 182 | if (got_rs_ev){ |
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| 183 | gettimeofday(&cur,NULL); |
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| 184 | elapsed=((cur.tv_sec-tv.tv_sec)*1000) + ((cur.tv_usec-tv.tv_usec)/1000); |
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| 185 | if (elapsed>1000){ |
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| 186 | got_rs_ev=FALSE; |
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| 187 | *ev=last_ev; |
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| 188 | ret=TRUE; |
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| 189 | } |
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| 190 | } |
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| 191 | return ret; |
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| 192 | } |
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| 193 | |
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| 194 | static void sdl_display_uninit(MSDisplay *obj){ |
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| 195 | SDL_Overlay *lay=(SDL_Overlay*)obj->data; |
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| 196 | if (lay==NULL) |
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| 197 | return; |
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| 198 | if (lay!=NULL) |
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| 199 | SDL_FreeYUVOverlay(lay); |
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| 200 | if (sdl_screen!=NULL){ |
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| 201 | SDL_FreeSurface(sdl_screen); |
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| 202 | sdl_screen=NULL; |
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| 203 | } |
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| 204 | sdl_show_window(FALSE); |
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| 205 | } |
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| 206 | |
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| 207 | MSDisplayDesc ms_sdl_display_desc={ |
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| 208 | .init=sdl_display_init, |
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| 209 | .lock=sdl_display_lock, |
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| 210 | .unlock=sdl_display_unlock, |
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| 211 | .update=sdl_display_update, |
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| 212 | .uninit=sdl_display_uninit, |
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| 213 | .pollevent=sdl_poll_event |
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| 214 | }; |
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| 215 | |
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| 216 | #else |
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| 217 | |
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| 218 | #include <Vfw.h> |
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| 219 | |
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| 220 | |
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| 221 | typedef struct _WinDisplay{ |
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| 222 | HWND window; |
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| 223 | HDRAWDIB ddh; |
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| 224 | MSPicture fb; |
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| 225 | MSDisplayEvent last_rsz; |
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| 226 | uint8_t *rgb; |
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| 227 | int rgb_len; |
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| 228 | bool_t new_ev; |
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| 229 | }WinDisplay; |
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| 230 | |
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| 231 | static LRESULT CALLBACK window_proc( |
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| 232 | HWND hwnd, // handle to window |
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| 233 | UINT uMsg, // message identifier |
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| 234 | WPARAM wParam, // first message parameter |
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| 235 | LPARAM lParam) // second message parameter |
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| 236 | { |
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| 237 | switch(uMsg){ |
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| 238 | case WM_DESTROY: |
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| 239 | break; |
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| 240 | case WM_SIZE: |
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| 241 | if (wParam==SIZE_RESTORED){ |
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| 242 | int h=(lParam>>16) & 0xffff; |
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| 243 | int w=lParam & 0xffff; |
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| 244 | MSDisplay *obj; |
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| 245 | WinDisplay *wd; |
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| 246 | ms_message("Resized to %i,%i",w,h); |
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| 247 | obj=(MSDisplay*)GetWindowLongPtr(hwnd,GWLP_USERDATA); |
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| 248 | if (obj!=NULL){ |
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| 249 | wd=(WinDisplay*)obj->data; |
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| 250 | wd->last_rsz.evtype=MS_DISPLAY_RESIZE_EVENT; |
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| 251 | wd->last_rsz.w=w; |
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| 252 | wd->last_rsz.h=h; |
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| 253 | wd->new_ev=TRUE; |
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| 254 | }else{ |
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| 255 | ms_error("Could not retrieve MSDisplay from window !"); |
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| 256 | } |
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| 257 | } |
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| 258 | break; |
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| 259 | default: |
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| 260 | return DefWindowProc(hwnd, uMsg, wParam, lParam); |
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| 261 | } |
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| 262 | return 0; |
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| 263 | } |
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| 264 | |
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| 265 | static HWND create_window(int w, int h) |
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| 266 | { |
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| 267 | WNDCLASS wc; |
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| 268 | HINSTANCE hInstance = GetModuleHandle(NULL); |
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| 269 | HWND hwnd; |
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| 270 | RECT rect; |
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| 271 | wc.style = 0 ; |
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| 272 | wc.lpfnWndProc = window_proc; |
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| 273 | wc.cbClsExtra = 0; |
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| 274 | wc.cbWndExtra = 0; |
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| 275 | wc.hInstance = NULL; |
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| 276 | wc.hIcon = NULL; |
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| 277 | wc.hCursor = LoadCursor(hInstance, IDC_ARROW); |
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| 278 | wc.hbrBackground = NULL; |
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| 279 | wc.lpszMenuName = NULL; |
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| 280 | wc.lpszClassName = "Video Window"; |
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| 281 | |
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| 282 | if(!RegisterClass(&wc)) |
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| 283 | { |
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| 284 | /* already registred! */ |
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| 285 | } |
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| 286 | rect.left=100; |
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| 287 | rect.top=100; |
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| 288 | rect.right=rect.left+w; |
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| 289 | rect.bottom=rect.top+h; |
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| 290 | if (!AdjustWindowRect(&rect,WS_OVERLAPPEDWINDOW|WS_VISIBLE /*WS_CAPTION WS_TILED|WS_BORDER*/,FALSE)){ |
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| 291 | ms_error("AdjustWindowRect failed."); |
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| 292 | } |
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| 293 | ms_message("AdjustWindowRect: %li,%li %li,%li",rect.left,rect.top,rect.right,rect.bottom); |
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| 294 | hwnd=CreateWindow("Video Window", "Video window", WS_OVERLAPPEDWINDOW|WS_VISIBLE , |
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| 295 | CW_USEDEFAULT, CW_USEDEFAULT, rect.right-rect.left,rect.bottom-rect.top, |
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| 296 | NULL, NULL, hInstance, NULL); |
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| 297 | if (hwnd==NULL){ |
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| 298 | ms_error("Fail to create video window"); |
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| 299 | } |
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| 300 | return hwnd; |
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| 301 | } |
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| 302 | |
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| 303 | static bool_t win_display_init(MSDisplay *obj, MSPicture *fbuf){ |
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| 304 | WinDisplay *wd=(WinDisplay*)obj->data; |
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| 305 | int ysize,usize; |
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| 306 | |
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| 307 | if (wd!=NULL) |
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| 308 | { |
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| 309 | if (wd->ddh) DrawDibClose(wd->ddh); |
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| 310 | wd->ddh=NULL; |
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| 311 | if (wd->fb.planes[0]) ms_free(wd->fb.planes[0]); |
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| 312 | wd->fb.planes[0]=NULL; |
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| 313 | wd->fb.planes[1]=NULL; |
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| 314 | wd->fb.planes[2]=NULL; |
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| 315 | if (wd->rgb) ms_free(wd->rgb); |
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| 316 | wd->rgb=NULL; |
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| 317 | wd->rgb_len=0; |
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| 318 | } |
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| 319 | else |
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| 320 | wd=(WinDisplay*)ms_new0(WinDisplay,1); |
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| 321 | |
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| 322 | obj->data=wd; |
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| 323 | |
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| 324 | wd->fb.w=fbuf->w; |
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| 325 | wd->fb.h=fbuf->h; |
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| 326 | |
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| 327 | if (wd->window==NULL){ |
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| 328 | if (obj->window_id!=0){ |
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| 329 | void *p; |
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| 330 | wd->window=(HWND)obj->window_id; |
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| 331 | p=(void*)GetWindowLongPtr(wd->window,GWLP_USERDATA); |
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| 332 | if (p!=NULL){ |
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| 333 | ms_error("Gulp: this externally supplied windows seems to " |
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| 334 | "already have a userdata ! resizing will crash !"); |
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| 335 | }else SetWindowLongPtr(wd->window,GWLP_USERDATA,(LONG_PTR)obj); |
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| 336 | }else{ |
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| 337 | wd->window=create_window(wd->fb.w,wd->fb.h); |
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| 338 | if (wd->window!=NULL) SetWindowLongPtr(wd->window,GWLP_USERDATA,(LONG_PTR)obj); |
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| 339 | else return FALSE; |
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| 340 | } |
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| 341 | } |
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| 342 | |
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| 343 | if (wd->ddh==NULL) wd->ddh=DrawDibOpen(); |
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| 344 | if (wd->ddh==NULL){ |
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| 345 | ms_error("DrawDibOpen() failed."); |
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| 346 | return FALSE; |
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| 347 | } |
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| 348 | /*allocate yuv and rgb buffers*/ |
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| 349 | if (wd->fb.planes[0]) ms_free(wd->fb.planes[0]); |
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| 350 | if (wd->rgb) ms_free(wd->rgb); |
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| 351 | ysize=wd->fb.w*wd->fb.h; |
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| 352 | usize=ysize/4; |
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| 353 | fbuf->planes[0]=wd->fb.planes[0]=(uint8_t*)ms_malloc0(ysize+2*usize); |
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| 354 | fbuf->planes[1]=wd->fb.planes[1]=wd->fb.planes[0]+ysize; |
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| 355 | fbuf->planes[2]=wd->fb.planes[2]=wd->fb.planes[1]+usize; |
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| 356 | fbuf->strides[0]=wd->fb.strides[0]=wd->fb.w; |
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| 357 | fbuf->strides[1]=wd->fb.strides[1]=wd->fb.w/2; |
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| 358 | fbuf->strides[2]=wd->fb.strides[2]=wd->fb.w/2; |
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| 359 | |
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| 360 | wd->rgb_len=ysize*3; |
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| 361 | wd->rgb=(uint8_t*)ms_malloc0(wd->rgb_len); |
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| 362 | return TRUE; |
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| 363 | } |
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| 364 | |
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| 365 | typedef struct rgb{ |
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| 366 | uint8_t r,g,b; |
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| 367 | } rgb_t; |
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| 368 | |
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| 369 | typedef struct yuv{ |
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| 370 | uint8_t y,u,v; |
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| 371 | } yuv_t; |
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| 372 | |
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| 373 | |
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| 374 | |
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| 375 | static void yuv420p_to_rgb(MSPicture *src, uint8_t *rgb){ |
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| 376 | struct SwsContext *sws; |
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| 377 | int rgb_stride=-src->w*3; |
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| 378 | uint8_t *p; |
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| 379 | |
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| 380 | p=rgb+(src->w*3*(src->h-1)); |
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| 381 | sws=sws_getContext(src->w,src->h,PIX_FMT_YUV420P, |
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| 382 | src->w,src->h,PIX_FMT_RGB24, |
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| 383 | 0, NULL, NULL, NULL); |
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| 384 | if (sws_scale(sws,src->planes,src->strides, 0, |
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| 385 | 0, &p, &rgb_stride)<0){ |
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| 386 | ms_error("Error in 420->rgb sws_scale()."); |
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| 387 | } |
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| 388 | sws_freeContext(sws); |
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| 389 | |
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| 390 | /*revert colors*/ |
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| 391 | { |
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| 392 | int i,j,stride; |
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| 393 | rgb_t pix; |
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| 394 | stride=src->w*3; |
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| 395 | p=rgb; |
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| 396 | for(i=0;i<src->h;++i){ |
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| 397 | for(j=0;j<stride;j+=3){ |
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| 398 | pix.r=p[j]; |
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| 399 | pix.g=p[j+1]; |
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| 400 | pix.b=p[j+2]; |
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| 401 | p[j]=pix.b; |
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| 402 | p[j+2]=pix.r; |
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| 403 | } |
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| 404 | p+=stride; |
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| 405 | } |
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| 406 | } |
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| 407 | |
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| 408 | } |
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| 409 | |
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| 410 | static void win_display_update(MSDisplay *obj){ |
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| 411 | WinDisplay *wd=(WinDisplay*)obj->data; |
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| 412 | HDC hdc; |
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| 413 | BITMAPINFOHEADER bi; |
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| 414 | RECT rect; |
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| 415 | bool_t ret; |
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| 416 | if (wd->window==NULL) return; |
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| 417 | hdc=GetDC(wd->window); |
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| 418 | if (hdc==NULL) { |
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| 419 | ms_error("Could not get window dc"); |
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| 420 | return; |
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| 421 | } |
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| 422 | yuv420p_to_rgb(&wd->fb, wd->rgb); |
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| 423 | memset(&bi,0,sizeof(bi)); |
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| 424 | bi.biSize=sizeof(bi); |
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| 425 | GetClientRect(wd->window,&rect); |
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| 426 | /* |
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| 427 | bi.biWidth=wd->fb.w; |
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| 428 | bi.biHeight=wd->fb.h; |
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| 429 | bi.biPlanes=3; |
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| 430 | bi.biBitCount=12; |
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| 431 | bi.biCompression=MAKEFOURCC('I','4','2','0'); |
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| 432 | bi.biSizeImage=(wd->fb.w*wd->fb.h*3)/2; |
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| 433 | */ |
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| 434 | bi.biWidth=wd->fb.w; |
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| 435 | bi.biHeight=wd->fb.h; |
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| 436 | bi.biPlanes=1; |
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| 437 | bi.biBitCount=24; |
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| 438 | bi.biCompression=BI_RGB; |
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| 439 | bi.biSizeImage=wd->rgb_len; |
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| 440 | |
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| 441 | //if (bi.biHeight>rect.bottom) |
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| 442 | // bi.biHeight=rect.bottom; |
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| 443 | //bi.biSizeImage=(bi.biWidth*bi.biHeight)*3; |
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| 444 | |
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| 445 | ret=DrawDibDraw(wd->ddh,hdc,0,0, |
|---|
| 446 | //bi.biWidth,bi.biHeight, |
|---|
| 447 | rect.right,rect.bottom, |
|---|
| 448 | &bi,wd->rgb, |
|---|
| 449 | //0,0,rect.right,rect.bottom,0); |
|---|
| 450 | 0,0,bi.biWidth,bi.biHeight,0); |
|---|
| 451 | |
|---|
| 452 | if (!ret) ms_error("DrawDibDraw failed."); |
|---|
| 453 | ReleaseDC(NULL,hdc); |
|---|
| 454 | } |
|---|
| 455 | |
|---|
| 456 | static void win_display_uninit(MSDisplay *obj){ |
|---|
| 457 | WinDisplay *wd=(WinDisplay*)obj->data; |
|---|
| 458 | if (wd==NULL) |
|---|
| 459 | return; |
|---|
| 460 | if (wd->window && !obj->window_id) DestroyWindow(wd->window); |
|---|
| 461 | if (wd->ddh) DrawDibClose(wd->ddh); |
|---|
| 462 | if (wd->fb.planes[0]) ms_free(wd->fb.planes[0]); |
|---|
| 463 | if (wd->rgb) ms_free(wd->rgb); |
|---|
| 464 | ms_free(wd); |
|---|
| 465 | } |
|---|
| 466 | |
|---|
| 467 | bool_t win_display_pollevent(MSDisplay *d, MSDisplayEvent *ev){ |
|---|
| 468 | WinDisplay *wd=(WinDisplay*)d->data; |
|---|
| 469 | if (wd->new_ev){ |
|---|
| 470 | wd->new_ev=FALSE; |
|---|
| 471 | *ev=wd->last_rsz; |
|---|
| 472 | return TRUE; |
|---|
| 473 | } |
|---|
| 474 | return FALSE; |
|---|
| 475 | } |
|---|
| 476 | |
|---|
| 477 | #ifdef _MSC_VER |
|---|
| 478 | |
|---|
| 479 | extern MSDisplayDesc ms_win_display_desc={ |
|---|
| 480 | win_display_init, |
|---|
| 481 | NULL, |
|---|
| 482 | NULL, |
|---|
| 483 | win_display_update, |
|---|
| 484 | win_display_uninit, |
|---|
| 485 | win_display_pollevent |
|---|
| 486 | }; |
|---|
| 487 | |
|---|
| 488 | #else |
|---|
| 489 | |
|---|
| 490 | MSDisplayDesc ms_win_display_desc={ |
|---|
| 491 | .init=win_display_init, |
|---|
| 492 | .update=win_display_update, |
|---|
| 493 | .uninit=win_display_uninit, |
|---|
| 494 | .pollevent=win_display_pollevent |
|---|
| 495 | }; |
|---|
| 496 | |
|---|
| 497 | #endif |
|---|
| 498 | |
|---|
| 499 | #endif |
|---|
| 500 | |
|---|
| 501 | MSDisplay *ms_display_new(MSDisplayDesc *desc){ |
|---|
| 502 | MSDisplay *obj=(MSDisplay *)ms_new0(MSDisplay,1); |
|---|
| 503 | obj->desc=desc; |
|---|
| 504 | obj->data=NULL; |
|---|
| 505 | return obj; |
|---|
| 506 | } |
|---|
| 507 | |
|---|
| 508 | void ms_display_set_window_id(MSDisplay *d, long id){ |
|---|
| 509 | d->window_id=id; |
|---|
| 510 | } |
|---|
| 511 | |
|---|
| 512 | void ms_display_destroy(MSDisplay *obj){ |
|---|
| 513 | obj->desc->uninit(obj); |
|---|
| 514 | ms_free(obj); |
|---|
| 515 | } |
|---|
| 516 | |
|---|
| 517 | typedef struct VideoOut |
|---|
| 518 | { |
|---|
| 519 | AVRational ratio; |
|---|
| 520 | MSPicture fbuf; |
|---|
| 521 | MSPicture local_pic; |
|---|
| 522 | MSRect local_rect; |
|---|
| 523 | mblk_t *local_msg; |
|---|
| 524 | MSPicture tmp_local_pic; |
|---|
| 525 | mblk_t *tmp_local_msg; |
|---|
| 526 | int corner; |
|---|
| 527 | struct SwsContext *sws1; |
|---|
| 528 | struct SwsContext *sws2; |
|---|
| 529 | MSDisplay *display; |
|---|
| 530 | bool_t own_display; |
|---|
| 531 | bool_t ready; |
|---|
| 532 | } VideoOut; |
|---|
| 533 | |
|---|
| 534 | |
|---|
| 535 | #define SCALE_FACTOR 6 |
|---|
| 536 | |
|---|
| 537 | static void set_corner(VideoOut *s, int corner) |
|---|
| 538 | { |
|---|
| 539 | s->corner=corner; |
|---|
| 540 | s->local_pic.w=s->fbuf.w/SCALE_FACTOR; |
|---|
| 541 | s->local_pic.h=s->fbuf.h/SCALE_FACTOR; |
|---|
| 542 | s->tmp_local_pic.h = s->local_pic.h; |
|---|
| 543 | s->tmp_local_pic.w = s->local_pic.w; |
|---|
| 544 | if (corner==1) |
|---|
| 545 | { |
|---|
| 546 | /* top left corner */ |
|---|
| 547 | s->local_rect.x=0; |
|---|
| 548 | s->local_rect.y=0; |
|---|
| 549 | s->local_rect.w=s->local_pic.w; |
|---|
| 550 | s->local_rect.h=s->local_pic.h; |
|---|
| 551 | } |
|---|
| 552 | else if (corner==2) |
|---|
| 553 | { |
|---|
| 554 | /* top right corner */ |
|---|
| 555 | s->local_rect.x=s->fbuf.w-s->local_pic.w; |
|---|
| 556 | s->local_rect.y=0; |
|---|
| 557 | s->local_rect.w=s->local_pic.w; |
|---|
| 558 | s->local_rect.h=s->local_pic.h; |
|---|
| 559 | } |
|---|
| 560 | else if (corner==3) |
|---|
| 561 | { |
|---|
| 562 | /* bottom left corner */ |
|---|
| 563 | s->local_rect.x=0; |
|---|
| 564 | s->local_rect.y=s->fbuf.h-s->local_pic.h; |
|---|
| 565 | s->local_rect.w=s->local_pic.w; |
|---|
| 566 | s->local_rect.h=s->local_pic.h; |
|---|
| 567 | } |
|---|
| 568 | else |
|---|
| 569 | { |
|---|
| 570 | /* default: bottom right corner */ |
|---|
| 571 | /* corner can be set to -1: to disable the self view... */ |
|---|
| 572 | s->local_rect.x=s->fbuf.w-s->local_pic.w; |
|---|
| 573 | s->local_rect.y=s->fbuf.h-s->local_pic.h; |
|---|
| 574 | s->local_rect.w=s->local_pic.w; |
|---|
| 575 | s->local_rect.h=s->local_pic.h; |
|---|
| 576 | } |
|---|
| 577 | } |
|---|
| 578 | |
|---|
| 579 | static void set_vsize(VideoOut *s, MSVideoSize *sz){ |
|---|
| 580 | if (s->ratio.num!=0){ |
|---|
| 581 | sz->width=sz->width & (~0x1); |
|---|
| 582 | sz->height=sz->width*s->ratio.den/s->ratio.num; |
|---|
| 583 | } |
|---|
| 584 | s->fbuf.w=sz->width; |
|---|
| 585 | s->fbuf.h=sz->height; |
|---|
| 586 | set_corner(s, s->corner); |
|---|
| 587 | } |
|---|
| 588 | |
|---|
| 589 | static void video_out_init(MSFilter *f){ |
|---|
| 590 | VideoOut *obj=(VideoOut*)ms_new(VideoOut,1); |
|---|
| 591 | MSVideoSize def_size; |
|---|
| 592 | obj->ratio.num=11; |
|---|
| 593 | obj->ratio.den=9; |
|---|
| 594 | def_size.width=MS_VIDEO_SIZE_CIF_W; |
|---|
| 595 | def_size.height=MS_VIDEO_SIZE_CIF_H; |
|---|
| 596 | obj->local_msg=NULL; |
|---|
| 597 | obj->tmp_local_msg=NULL; |
|---|
| 598 | obj->corner=0; |
|---|
| 599 | obj->sws1=NULL; |
|---|
| 600 | obj->sws2=NULL; |
|---|
| 601 | obj->display=NULL; |
|---|
| 602 | obj->own_display=FALSE; |
|---|
| 603 | obj->ready=FALSE; |
|---|
| 604 | set_vsize(obj,&def_size); |
|---|
| 605 | f->data=obj; |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | |
|---|
| 609 | static void video_out_uninit(MSFilter *f){ |
|---|
| 610 | VideoOut *obj=(VideoOut*)f->data; |
|---|
| 611 | if (obj->display!=NULL && obj->own_display) |
|---|
| 612 | ms_display_destroy(obj->display); |
|---|
| 613 | if (obj->sws1!=NULL){ |
|---|
| 614 | sws_freeContext(obj->sws1); |
|---|
| 615 | obj->sws1=NULL; |
|---|
| 616 | } |
|---|
| 617 | if (obj->sws2!=NULL){ |
|---|
| 618 | sws_freeContext(obj->sws2); |
|---|
| 619 | obj->sws2=NULL; |
|---|
| 620 | } |
|---|
| 621 | ms_free(obj); |
|---|
| 622 | } |
|---|
| 623 | |
|---|
| 624 | |
|---|
| 625 | static void video_out_preprocess(MSFilter *f){ |
|---|
| 626 | VideoOut *obj=(VideoOut*)f->data; |
|---|
| 627 | if (obj->display==NULL){ |
|---|
| 628 | #ifndef WIN32 |
|---|
| 629 | obj->display=ms_display_new(&ms_sdl_display_desc); |
|---|
| 630 | #else |
|---|
| 631 | obj->display=ms_display_new(&ms_win_display_desc); |
|---|
| 632 | #endif |
|---|
| 633 | obj->own_display=TRUE; |
|---|
| 634 | } |
|---|
| 635 | if (!ms_display_init(obj->display,&obj->fbuf)){ |
|---|
| 636 | if (obj->own_display) ms_display_destroy(obj->display); |
|---|
| 637 | obj->display=NULL; |
|---|
| 638 | } |
|---|
| 639 | if (obj->sws1!=NULL){ |
|---|
| 640 | sws_freeContext(obj->sws1); |
|---|
| 641 | obj->sws1=NULL; |
|---|
| 642 | } |
|---|
| 643 | if (obj->sws2!=NULL){ |
|---|
| 644 | sws_freeContext(obj->sws2); |
|---|
| 645 | obj->sws2=NULL; |
|---|
| 646 | } |
|---|
| 647 | if (obj->local_msg!=NULL) { |
|---|
| 648 | freemsg(obj->local_msg); |
|---|
| 649 | obj->local_msg=NULL; |
|---|
| 650 | } |
|---|
| 651 | if (obj->tmp_local_msg!=NULL) { |
|---|
| 652 | freemsg(obj->tmp_local_msg); |
|---|
| 653 | obj->tmp_local_msg=NULL; |
|---|
| 654 | } |
|---|
| 655 | obj->ready=TRUE; |
|---|
| 656 | } |
|---|
| 657 | |
|---|
| 658 | static void video_out_postprocess(MSFilter *f){ |
|---|
| 659 | } |
|---|
| 660 | |
|---|
| 661 | static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h){ |
|---|
| 662 | int y; |
|---|
| 663 | for(y=0;y<h;y++){ |
|---|
| 664 | int x; |
|---|
| 665 | for(x=0;x<w;x++) |
|---|
| 666 | dst[x]=src[w-x-1]; |
|---|
| 667 | src+=srcstride; |
|---|
| 668 | dst+=dststride; |
|---|
| 669 | } |
|---|
| 670 | } |
|---|
| 671 | |
|---|
| 672 | |
|---|
| 673 | static void video_out_process(MSFilter *f){ |
|---|
| 674 | VideoOut *obj=(VideoOut*)f->data; |
|---|
| 675 | mblk_t *inm; |
|---|
| 676 | |
|---|
| 677 | #ifdef WIN32 |
|---|
| 678 | video_out_handle_resize(f, NULL); |
|---|
| 679 | #endif |
|---|
| 680 | |
|---|
| 681 | ms_filter_lock(f); |
|---|
| 682 | if (obj->display==NULL){ |
|---|
| 683 | ms_filter_unlock(f); |
|---|
| 684 | if (f->inputs[0]!=NULL) |
|---|
| 685 | ms_queue_flush(f->inputs[0]); |
|---|
| 686 | if (f->inputs[1]!=NULL) |
|---|
| 687 | ms_queue_flush(f->inputs[1]); |
|---|
| 688 | return; |
|---|
| 689 | } |
|---|
| 690 | /*get most recent message and draw it*/ |
|---|
| 691 | if (f->inputs[1]!=NULL && (inm=ms_queue_peek_last(f->inputs[1]))!=0) { |
|---|
| 692 | |
|---|
| 693 | if (obj->corner==-1) |
|---|
| 694 | { |
|---|
| 695 | if (obj->tmp_local_msg!=NULL) { |
|---|
| 696 | freemsg(obj->tmp_local_msg); |
|---|
| 697 | obj->tmp_local_msg=NULL; |
|---|
| 698 | } |
|---|
| 699 | if (obj->local_msg!=NULL) { |
|---|
| 700 | freemsg(obj->local_msg); |
|---|
| 701 | obj->local_msg=NULL; |
|---|
| 702 | } |
|---|
| 703 | } |
|---|
| 704 | else |
|---|
| 705 | { |
|---|
| 706 | MSPicture src; |
|---|
| 707 | if (yuv_buf_init_from_mblk(&src,inm)==0){ |
|---|
| 708 | |
|---|
| 709 | if (obj->sws2==NULL){ |
|---|
| 710 | obj->sws2=sws_getContext(src.w,src.h,PIX_FMT_YUV420P, |
|---|
| 711 | obj->local_pic.w,obj->local_pic.h,PIX_FMT_YUV420P, |
|---|
| 712 | SWS_FAST_BILINEAR, NULL, NULL, NULL); |
|---|
| 713 | } |
|---|
| 714 | obj->tmp_local_pic.h = obj->local_pic.h; |
|---|
| 715 | obj->tmp_local_pic.w = obj->local_pic.w; |
|---|
| 716 | if (obj->tmp_local_msg==NULL){ |
|---|
| 717 | obj->tmp_local_msg=yuv_buf_alloc(&obj->tmp_local_pic, |
|---|
| 718 | obj->tmp_local_pic.w,obj->tmp_local_pic.h); |
|---|
| 719 | } |
|---|
| 720 | if (obj->local_msg==NULL){ |
|---|
| 721 | obj->local_msg=yuv_buf_alloc(&obj->local_pic, |
|---|
| 722 | obj->local_pic.w,obj->local_pic.h); |
|---|
| 723 | } |
|---|
| 724 | if (sws_scale(obj->sws2,src.planes,src.strides, 0, |
|---|
| 725 | src.h, obj->tmp_local_pic.planes, obj->tmp_local_pic.strides)<0){ |
|---|
| 726 | ms_error("Error in sws_scale()."); |
|---|
| 727 | } |
|---|
| 728 | |
|---|
| 729 | mirror(obj->local_pic.planes[0],obj->tmp_local_pic.planes[0], |
|---|
| 730 | obj->local_pic.strides[0],obj->tmp_local_pic.strides[0], |
|---|
| 731 | obj->local_pic.w,obj->local_pic.h); |
|---|
| 732 | mirror(obj->local_pic.planes[1],obj->tmp_local_pic.planes[1], |
|---|
| 733 | obj->local_pic.strides[1],obj->tmp_local_pic.strides[1], |
|---|
| 734 | obj->local_pic.w>>1,obj->local_pic.h>>1); |
|---|
| 735 | mirror(obj->local_pic.planes[2],obj->tmp_local_pic.planes[2], |
|---|
| 736 | obj->local_pic.strides[2],obj->tmp_local_pic.strides[2], |
|---|
| 737 | obj->local_pic.w>>1,obj->local_pic.h>>1); |
|---|
| 738 | } |
|---|
| 739 | } |
|---|
| 740 | ms_queue_flush(f->inputs[1]); |
|---|
| 741 | } |
|---|
| 742 | |
|---|
| 743 | if (f->inputs[0]!=NULL && (inm=ms_queue_peek_last(f->inputs[0]))!=0) { |
|---|
| 744 | MSPicture src; |
|---|
| 745 | if (yuv_buf_init_from_mblk(&src,inm)==0){ |
|---|
| 746 | if (obj->sws1==NULL){ |
|---|
| 747 | obj->sws1=sws_getContext(src.w,src.h,PIX_FMT_YUV420P, |
|---|
| 748 | obj->fbuf.w,obj->fbuf.h,PIX_FMT_YUV420P, |
|---|
| 749 | SWS_FAST_BILINEAR, NULL, NULL, NULL); |
|---|
| 750 | } |
|---|
| 751 | ms_display_lock(obj->display); |
|---|
| 752 | if (sws_scale(obj->sws1,src.planes,src.strides, 0, |
|---|
| 753 | src.h, obj->fbuf.planes, obj->fbuf.strides)<0){ |
|---|
| 754 | ms_error("Error in sws_scale()."); |
|---|
| 755 | } |
|---|
| 756 | ms_display_unlock(obj->display); |
|---|
| 757 | } |
|---|
| 758 | ms_queue_flush(f->inputs[0]); |
|---|
| 759 | } |
|---|
| 760 | /*copy resized local view into main buffer, at bottom left corner:*/ |
|---|
| 761 | if (obj->local_msg!=NULL){ |
|---|
| 762 | MSPicture corner=obj->fbuf; |
|---|
| 763 | MSVideoSize roi; |
|---|
| 764 | roi.width=obj->local_pic.w; |
|---|
| 765 | roi.height=obj->local_pic.h; |
|---|
| 766 | corner.w=obj->local_pic.w; |
|---|
| 767 | corner.h=obj->local_pic.h; |
|---|
| 768 | corner.planes[0]+=obj->local_rect.x+(obj->local_rect.y*corner.strides[0]); |
|---|
| 769 | corner.planes[1]+=(obj->local_rect.x/2)+((obj->local_rect.y/2)*corner.strides[1]); |
|---|
| 770 | corner.planes[2]+=(obj->local_rect.x/2)+((obj->local_rect.y/2)*corner.strides[2]); |
|---|
| 771 | ms_display_lock(obj->display); |
|---|
| 772 | yuv_buf_copy(obj->local_pic.planes,obj->local_pic.strides, |
|---|
| 773 | corner.planes,corner.strides,roi); |
|---|
| 774 | ms_display_unlock(obj->display); |
|---|
| 775 | } |
|---|
| 776 | |
|---|
| 777 | ms_display_update(obj->display); |
|---|
| 778 | ms_filter_unlock(f); |
|---|
| 779 | } |
|---|
| 780 | |
|---|
| 781 | static int video_out_set_vsize(MSFilter *f,void *arg){ |
|---|
| 782 | VideoOut *s=(VideoOut*)f->data; |
|---|
| 783 | bool_t reconfigure; |
|---|
| 784 | ms_filter_lock(f); |
|---|
| 785 | reconfigure=s->ready; |
|---|
| 786 | set_vsize(s,(MSVideoSize*)arg); |
|---|
| 787 | if (reconfigure) video_out_preprocess(f); |
|---|
| 788 | ms_filter_unlock(f); |
|---|
| 789 | return 0; |
|---|
| 790 | } |
|---|
| 791 | |
|---|
| 792 | static int video_out_set_display(MSFilter *f,void *arg){ |
|---|
| 793 | VideoOut *s=(VideoOut*)f->data; |
|---|
| 794 | s->display=(MSDisplay*)arg; |
|---|
| 795 | return 0; |
|---|
| 796 | } |
|---|
| 797 | |
|---|
| 798 | static int video_out_handle_resize(MSFilter *f, void *arg){ |
|---|
| 799 | VideoOut *s=(VideoOut*)f->data; |
|---|
| 800 | MSDisplay *disp=s->display; |
|---|
| 801 | if (disp!=NULL){ |
|---|
| 802 | MSDisplayEvent ev; |
|---|
| 803 | if (ms_display_poll_event(disp,&ev)){ |
|---|
| 804 | if (ev.evtype==MS_DISPLAY_RESIZE_EVENT){ |
|---|
| 805 | MSVideoSize sz; |
|---|
| 806 | sz.width=ev.w; |
|---|
| 807 | sz.height=ev.h; |
|---|
| 808 | #ifndef WIN32 |
|---|
| 809 | video_out_set_vsize(f,&sz); |
|---|
| 810 | #endif |
|---|
| 811 | } |
|---|
| 812 | } |
|---|
| 813 | } |
|---|
| 814 | return 0; |
|---|
| 815 | } |
|---|
| 816 | |
|---|
| 817 | static int video_out_set_corner(MSFilter *f,void *arg){ |
|---|
| 818 | VideoOut *s=(VideoOut*)f->data; |
|---|
| 819 | set_corner(s, *(int*)arg); |
|---|
| 820 | #if 1 |
|---|
| 821 | ms_filter_lock(f); |
|---|
| 822 | ms_display_lock(s->display); |
|---|
| 823 | { |
|---|
| 824 | int w=s->fbuf.w; |
|---|
| 825 | int h=s->fbuf.h; |
|---|
| 826 | int ysize=w*h; |
|---|
| 827 | int usize=ysize/4; |
|---|
| 828 | |
|---|
| 829 | memset(s->fbuf.planes[0], 0, ysize); |
|---|
| 830 | memset(s->fbuf.planes[1], 0, usize); |
|---|
| 831 | memset(s->fbuf.planes[2], 0, usize); |
|---|
| 832 | } |
|---|
| 833 | ms_display_unlock(s->display); |
|---|
| 834 | ms_filter_unlock(f); |
|---|
| 835 | #endif |
|---|
| 836 | return 0; |
|---|
| 837 | } |
|---|
| 838 | |
|---|
| 839 | static MSFilterMethod methods[]={ |
|---|
| 840 | { MS_FILTER_SET_VIDEO_SIZE , video_out_set_vsize }, |
|---|
| 841 | { MS_VIDEO_OUT_SET_DISPLAY , video_out_set_display}, |
|---|
| 842 | { MS_VIDEO_OUT_HANDLE_RESIZING , video_out_handle_resize}, |
|---|
| 843 | { MS_VIDEO_OUT_SET_CORNER , video_out_set_corner}, |
|---|
| 844 | { 0 ,NULL} |
|---|
| 845 | }; |
|---|
| 846 | |
|---|
| 847 | #ifdef _MSC_VER |
|---|
| 848 | |
|---|
| 849 | MSFilterDesc ms_video_out_desc={ |
|---|
| 850 | MS_VIDEO_OUT_ID, |
|---|
| 851 | "MSVideoOut", |
|---|
| 852 | "A generic video display", |
|---|
| 853 | MS_FILTER_OTHER, |
|---|
| 854 | NULL, |
|---|
| 855 | 2, |
|---|
| 856 | 0, |
|---|
| 857 | video_out_init, |
|---|
| 858 | video_out_preprocess, |
|---|
| 859 | video_out_process, |
|---|
| 860 | video_out_postprocess, |
|---|
| 861 | video_out_uninit, |
|---|
| 862 | methods |
|---|
| 863 | }; |
|---|
| 864 | |
|---|
| 865 | #else |
|---|
| 866 | |
|---|
| 867 | MSFilterDesc ms_video_out_desc={ |
|---|
| 868 | .id=MS_VIDEO_OUT_ID, |
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| 869 | .name="MSVideoOut", |
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| 870 | .text="A generic video display", |
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| 871 | .category=MS_FILTER_OTHER, |
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| 872 | .ninputs=2, |
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| 873 | .noutputs=0, |
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| 874 | .init=video_out_init, |
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| 875 | .preprocess=video_out_preprocess, |
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| 876 | .process=video_out_process, |
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| 877 | .postprocess=video_out_postprocess, |
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| 878 | .uninit=video_out_uninit, |
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| 879 | .methods=methods |
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| 880 | }; |
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| 881 | |
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| 882 | #endif |
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| 883 | |
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| 884 | MS_FILTER_DESC_EXPORT(ms_video_out_desc) |
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