4 #include "dpvsimpledecode.h"
6 // constants (and semi-constants)
7 static int cl_videormask;
8 static int cl_videobmask;
9 static int cl_videogmask;
10 static int cl_videobytesperpixel;
12 static clvideo_t videoarray[ MAXCLVIDEOS ];
13 static mempool_t *cl_videomempool;
14 static rtexturepool_t *cl_videotexturepool;
16 static clvideo_t *FindUnusedVid( void )
19 for( i = 1 ; i < MAXCLVIDEOS ; i++ )
20 if( videoarray[ i ].state == CLVIDEO_UNUSED )
21 return &videoarray[ i ];
25 static qboolean OpenStream( clvideo_t * video )
28 video->stream = dpvsimpledecode_open( video->filename, &errorstring);
31 Con_Printf("unable to open \"%s\", error: %s\n", video->filename, errorstring);
37 static void SuspendVideo( clvideo_t * video )
39 if( video->suspended )
41 video->suspended = true;
43 R_FreeTexture( video->cpif.tex );
44 // free the image data
45 Mem_Free( video->imagedata );
46 // if we are in firstframe mode, also close the stream
47 if( video->state == CLVIDEO_FIRSTFRAME )
48 dpvsimpledecode_close( video->stream );
51 static qboolean WakeVideo( clvideo_t * video )
53 if( !video->suspended )
55 video->suspended = false;
57 if( video->state == CLVIDEO_FIRSTFRAME )
58 if( !OpenStream( video ) ) {
59 video->state = CLVIDEO_UNUSED;
63 video->imagedata = Mem_Alloc( cl_videomempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
64 video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name,
65 video->cpif.width, video->cpif.height, NULL, TEXTYPE_RGBA, 0, NULL );
68 video->starttime += realtime - video->lasttime;
73 static clvideo_t* OpenVideo( clvideo_t *video, char *filename, char *name, int owner )
75 strncpy( video->filename, filename, MAX_QPATH );
76 video->ownertag = owner;
77 if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
79 strncpy( video->cpif.name, name, MAX_QPATH );
81 if( !OpenStream( video ) )
84 video->state = CLVIDEO_FIRSTFRAME;
86 video->framerate = dpvsimpledecode_getframerate( video->stream );
87 video->lasttime = realtime;
89 cl_videotexturepool = R_AllocTexturePool();
91 video->cpif.width = dpvsimpledecode_getwidth( video->stream );
92 video->cpif.height = dpvsimpledecode_getheight( video->stream );
93 video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name,
94 video->cpif.width, video->cpif.height, NULL, TEXTYPE_RGBA, 0, NULL );
96 video->imagedata = Mem_Alloc( cl_videomempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
101 clvideo_t* CL_OpenVideo( char *filename, char *name, int owner )
105 video = FindUnusedVid();
107 Con_Printf( "unable to open video \"%s\" - video limit reached\n", filename );
110 return OpenVideo( video, filename, name, owner );
113 clvideo_t* CL_GetVideo( char *name )
118 for( i = 0 ; i < MAXCLVIDEOS ; i++ )
119 if( videoarray[ i ].state != CLVIDEO_UNUSED
120 && !strcmp( videoarray[ i ].cpif.name , name ) )
122 if( i == MAXCLVIDEOS )
124 video = &videoarray[ i ];
126 if( video->suspended )
128 if( !WakeVideo( video ) )
130 else if( video->state == CLVIDEO_RESETONWAKEUP )
131 video->framenum = -1;
134 video->lasttime = realtime;
139 void CL_SetVideoState( clvideo_t *video, clvideostate_t state )
144 video->lasttime = realtime;
145 video->state = state;
146 if( state == CLVIDEO_FIRSTFRAME )
147 CL_RestartVideo( video );
150 void CL_RestartVideo( clvideo_t *video )
155 video->starttime = video->lasttime = realtime;
156 video->framenum = -1;
158 dpvsimpledecode_close( video->stream );
159 if( !OpenStream( video ) )
160 video->state = CLVIDEO_UNUSED;
163 void CL_CloseVideo( clvideo_t * video )
165 if( !video || video->state == CLVIDEO_UNUSED )
168 if( !video->suspended || video->state != CLVIDEO_FIRSTFRAME )
169 dpvsimpledecode_close( video->stream );
170 if( !video->suspended ) {
171 Mem_Free( video->imagedata );
172 R_FreeTexture( video->cpif.tex );
173 R_FreeTexturePool( &cl_videotexturepool );
176 video->state = CLVIDEO_UNUSED;
179 static void VideoFrame( clvideo_t *video )
183 if( video->state == CLVIDEO_FIRSTFRAME )
186 destframe = (realtime - video->starttime) * video->framerate;
189 if( video->framenum < destframe ) {
192 if( dpvsimpledecode_video( video->stream, video->imagedata, cl_videormask,
193 cl_videogmask, cl_videobmask, cl_videobytesperpixel,
194 cl_videobytesperpixel * video->cpif.width )
196 CL_RestartVideo( video );
197 if( video->state == CLVIDEO_PLAY )
198 video->state = CLVIDEO_FIRSTFRAME;
201 } while( video->framenum < destframe );
202 R_UpdateTexture( video->cpif.tex, video->imagedata );
206 void CL_VideoFrame( void ) // update all videos
211 for( video = videoarray, i = 0 ; i < MAXCLVIDEOS ; video++, i++ )
212 if( video->state != CLVIDEO_UNUSED && !video->suspended )
214 if( realtime - video->lasttime > CLTHRESHOLD )
215 SuspendVideo( video );
216 else if( video->state == CLVIDEO_PAUSE )
217 video->starttime = realtime - video->framenum * video->framerate;
222 if( videoarray->state == CLVIDEO_FIRSTFRAME )
226 void CL_Video_Shutdown( void )
229 for( i = 0 ; i < MAXCLVIDEOS ; i++ )
230 CL_CloseVideo( &videoarray[ i ] );
232 Mem_FreePool( &cl_videomempool );
235 void CL_PurgeOwner( int owner )
238 for( i = 0 ; i < MAXCLVIDEOS ; i++ )
239 if( videoarray[ i ].ownertag == owner )
240 CL_CloseVideo( &videoarray[ i ] );
243 int cl_videoplaying = false; // old, but still supported
245 void CL_DrawVideo(void)
248 DrawQ_Pic(0, 0, videoarray->cpif.name, vid.conwidth, vid.conheight, 1, 1, 1, 1, 0);
251 void CL_VideoStart(char *filename)
253 if( videoarray->state != CLVIDEO_UNUSED )
254 CL_CloseVideo( videoarray );
255 if( !OpenVideo( videoarray, filename, va( CLVIDEOPREFIX "%s", filename ), 0 ) )
258 cl_videoplaying = true;
260 CL_SetVideoState( videoarray, CLVIDEO_PLAY );
261 CL_RestartVideo( videoarray );
264 void CL_VideoStop(void)
266 cl_videoplaying = false;
268 CL_CloseVideo( videoarray );
271 static void CL_PlayVideo_f(void)
277 Con_Print("usage: playvideo <videoname>\nplays video named video/<videoname>.dpv\n");
281 sprintf(name, "video/%s.dpv", Cmd_Argv(1));
285 static void CL_StopVideo_f(void)
290 void CL_Video_Init( void )
292 cl_videobytesperpixel = 4;
293 cl_videormask = BigLong(0xFF000000);
294 cl_videogmask = BigLong(0x00FF0000);
295 cl_videobmask = BigLong(0x0000FF00);
297 Cmd_AddCommand( "playvideo", CL_PlayVideo_f );
298 Cmd_AddCommand( "stopvideo", CL_StopVideo_f );
300 cl_videomempool = Mem_AllocPool( "CL_Video", 0, NULL );