]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cl_video.c
renamed varray_ arrays to rsurface_array_, and they are no longer used outside the...
[xonotic/darkplaces.git] / cl_video.c
index a309b2e49288b9e9999e847d6d4c54691cdc9536..3bbe315a34079e63a20b72ad2e1f43642efcae28 100644 (file)
 #include "cl_video.h"
 #include "dpvsimpledecode.h"
 
-mempool_t *clvideomempool;
+// constants (and semi-constants)
+static int  cl_videormask;
+static int  cl_videobmask;
+static int  cl_videogmask;
+static int     cl_videobytesperpixel;
 
-int cl_videoplaying = false;
-void *cl_videostream;
+static int cl_num_videos;
+static clvideo_t cl_videos[ MAXCLVIDEOS ];
+static rtexturepool_t *cl_videotexturepool;
 
-double cl_videostarttime;
-int cl_videoframenum;
-double cl_videoframerate;
-
-int cl_videoimagewidth;
-int cl_videoimageheight;
-int cl_videoimagedata_rmask;
-int cl_videoimagedata_gmask;
-int cl_videoimagedata_bmask;
-int cl_videoimagedata_bytesperpixel;
-void *cl_videoimagedata;
-
-int cl_videosoundrate;
-int cl_videosoundlength;
-short *cl_videosounddata;
-int cl_videosoundresamplelength;
-short *cl_videosoundresampledata;
+static clvideo_t *FindUnusedVid( void )
+{
+       int i;
+       for( i = 1 ; i < MAXCLVIDEOS ; i++ )
+               if( cl_videos[ i ].state == CLVIDEO_UNUSED )
+                       return &cl_videos[ i ];
+       return NULL;
+}
 
-rtexture_t *cl_videotexture;
-rtexturepool_t *cl_videotexturepool;
+static qboolean OpenStream( clvideo_t * video )
+{
+       char *errorstring;
+       video->stream = dpvsimpledecode_open( video->filename, &errorstring);
+       if (!video->stream )
+       {
+               Con_Printf("unable to open \"%s\", error: %s\n", video->filename, errorstring);
+               return false;
+       }
+       return true;
+}
 
-void CL_VideoFrame(void)
+static void SuspendVideo( clvideo_t * video )
 {
-       int frames, framenum, samples, s;
-       if (!cl_videoplaying)
+       if( video->suspended )
                return;
-       framenum = (realtime - cl_videostarttime) * cl_videoframerate;
-       //Con_Printf("frame %i\n", framenum);
-       if (framenum < 0)
-               framenum = 0;
-       frames = 0;
-       while (cl_videoframenum < framenum)
-       {
-               frames++;
-               cl_videoframenum++;
-               if (dpvsimpledecode_video(cl_videostream, cl_videoimagedata, cl_videoimagedata_rmask, cl_videoimagedata_gmask, cl_videoimagedata_bmask, cl_videoimagedata_bytesperpixel, cl_videoimagewidth * cl_videoimagedata_bytesperpixel))
-               {
-                       CL_VideoStop();
-                       return;
+       video->suspended = true;
+       // free the texture
+       R_FreeTexture( video->cpif.tex );
+       // free the image data
+       Mem_Free( video->imagedata );
+       // if we are in firstframe mode, also close the stream
+       if( video->state == CLVIDEO_FIRSTFRAME )
+               dpvsimpledecode_close( video->stream );
+}
+
+static qboolean WakeVideo( clvideo_t * video )
+{
+       if( !video->suspended )
+               return true;
+       video->suspended = false;
+
+       if( video->state == CLVIDEO_FIRSTFRAME )
+               if( !OpenStream( video ) ) {
+                       video->state = CLVIDEO_UNUSED;
+                       return false;
                }
+
+       video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
+       video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name,
+               video->cpif.width, video->cpif.height, NULL, TEXTYPE_RGBA, 0, NULL );
+
+       // update starttime
+       video->starttime += realtime - video->lasttime;
+
+       return true;
+}
+
+static clvideo_t* OpenVideo( clvideo_t *video, const char *filename, const char *name, int owner )
+{
+       strncpy( video->filename, filename, MAX_QPATH );
+       video->ownertag = owner;
+       if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
+               return NULL;
+       strncpy( video->cpif.name, name, MAX_QPATH );
+
+       if( !OpenStream( video ) )
+               return NULL;
+
+       video->state = CLVIDEO_FIRSTFRAME;
+       video->framenum = -1;
+       video->framerate = dpvsimpledecode_getframerate( video->stream );
+       video->lasttime = realtime;
+
+       video->cpif.width = dpvsimpledecode_getwidth( video->stream );
+       video->cpif.height = dpvsimpledecode_getheight( video->stream );
+       video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name,
+               video->cpif.width, video->cpif.height, NULL, TEXTYPE_RGBA, 0, NULL );
+
+    video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
+
+       return video;
+}
+
+clvideo_t* CL_OpenVideo( const char *filename, const char *name, int owner )
+{
+       clvideo_t *video;
+
+       video = FindUnusedVid();
+       if( !video ) {
+               Con_Printf( "unable to open video \"%s\" - video limit reached\n", filename );
+               return NULL;
        }
-       if (frames)
+       video = OpenVideo( video, filename, name, owner );
+       // expand the active range to include the new entry
+       if (video)
+               cl_num_videos = max(cl_num_videos, (int)(video - cl_videos) + 1);
+       return video;
+}
+
+static clvideo_t* CL_GetVideoBySlot( int slot )
+{
+       clvideo_t *video = &cl_videos[ slot ];
+
+       if( video->suspended )
        {
-               R_UpdateTexture(cl_videotexture, cl_videoimagedata);
-               //Draw_NewPic("engine_videoframe", cl_videoimagewidth, cl_videoimageheight, false, cl_videoimagedata);
+               if( !WakeVideo( video ) )
+                       return NULL;
+               else if( video->state == CLVIDEO_RESETONWAKEUP )
+                       video->framenum = -1;
        }
-       if (cl_videosoundrate && (samples = S_RawSamples_QueueWantsMore()))
-       {
-               Con_DPrintf("%i = S_RawSamples_QueueWantsMore()\n", samples);
 
-               // calculate how much source data we need to fill the output...
-               s = samples * cl_videosoundrate / S_RawSamples_SampleRate();
+       video->lasttime = realtime;
 
-               // reallocate processing buffer if needed
-               if (cl_videosoundresamplelength < samples)
-               {
-                       cl_videosoundresamplelength = samples + 100;
-                       if (cl_videosoundresampledata)
-                               Mem_Free(cl_videosoundresampledata);
-                       cl_videosoundresampledata = Mem_Alloc(clvideomempool, cl_videosoundresamplelength * sizeof(short[2]));
-               }
+       return video;
+}
 
-               // reallocate loading buffer if needed
-               if (cl_videosoundlength < s)
-               {
-                       cl_videosoundlength = s + 100;
-                       if (cl_videosounddata)
-                               Mem_Free(cl_videosounddata);
-                       cl_videosounddata = Mem_Alloc(clvideomempool, cl_videosoundlength * sizeof(short[2]));
-               }
+clvideo_t *CL_GetVideoByName( const char *name )
+{
+       int i;
+
+       for( i = 0 ; i < cl_num_videos ; i++ )
+               if( cl_videos[ i ].state != CLVIDEO_UNUSED
+                       &&      !strcmp( cl_videos[ i ].cpif.name , name ) )
+                       break;
+       if( i != cl_num_videos )
+               return CL_GetVideoBySlot( i );
+       else
+               return NULL;
+}
+
+void CL_SetVideoState( clvideo_t *video, clvideostate_t state )
+{
+       if( !video )
+               return;
+
+       video->lasttime = realtime;
+       video->state = state;
+       if( state == CLVIDEO_FIRSTFRAME )
+               CL_RestartVideo( video );
+}
+
+void CL_RestartVideo( clvideo_t *video )
+{
+       if( !video )
+               return;
+
+       video->starttime = video->lasttime = realtime;
+       video->framenum = -1;
+
+       dpvsimpledecode_close( video->stream );
+       if( !OpenStream( video ) )
+               video->state = CLVIDEO_UNUSED;
+}
 
-               dpvsimpledecode_audio(cl_videostream, cl_videosounddata, s);
-               S_ResampleBuffer16Stereo(cl_videosounddata, s, cl_videosoundresampledata, samples);
-               S_RawSamples_Enqueue(cl_videosoundresampledata, samples);
+void CL_CloseVideo( clvideo_t * video )
+{
+       if( !video || video->state == CLVIDEO_UNUSED )
+               return;
+
+       if( !video->suspended || video->state != CLVIDEO_FIRSTFRAME )
+               dpvsimpledecode_close( video->stream );
+       if( !video->suspended ) {
+               Mem_Free( video->imagedata );
+               R_FreeTexture( video->cpif.tex );
        }
+
+       video->state = CLVIDEO_UNUSED;
 }
 
-void CL_DrawVideo(void)
+static void VideoFrame( clvideo_t *video )
 {
-       if (cl_videoplaying)
-       {
-               drawqueuemesh_t mesh;
-               float vertex3f[12];
-               float texcoord2f[8];
-               float color4f[16];
-               float s1, t1, s2, t2, x1, y1, x2, y2;
-               x1 = 0;
-               y1 = 0;
-               x2 = vid.conwidth;
-               y2 = vid.conheight;
-               R_FragmentLocation(cl_videotexture, NULL, NULL, &s1, &t1, &s2, &t2);
-               texcoord2f[0] = s1;texcoord2f[1] = t1;
-               texcoord2f[2] = s2;texcoord2f[3] = t1;
-               texcoord2f[4] = s2;texcoord2f[5] = t2;
-               texcoord2f[6] = s1;texcoord2f[7] = t2;
-               R_FillColors(color4f, 4, r_colorscale, r_colorscale, r_colorscale, 1);
-               vertex3f[ 0] = x1;vertex3f[ 1] = y1;vertex3f[ 2] = 0;
-               vertex3f[ 3] = x2;vertex3f[ 4] = y1;vertex3f[ 5] = 0;
-               vertex3f[ 6] = x2;vertex3f[ 7] = y2;vertex3f[ 8] = 0;
-               vertex3f[ 9] = x1;vertex3f[10] = y2;vertex3f[11] = 0;
-               mesh.texture = cl_videotexture;
-               mesh.numtriangles = 2;
-               mesh.numvertices = 4;
-               mesh.element3i = polygonelements;
-               mesh.vertex3f = vertex3f;
-               mesh.texcoord2f = texcoord2f;
-               mesh.color4f = color4f;
-               DrawQ_Mesh(&mesh, 0);
-               //DrawQ_Pic(0, 0, "engine_videoframe", vid.conwidth, vid.conheight, 1, 1, 1, 1, 0);
+       int destframe;
+
+       if( video->state == CLVIDEO_FIRSTFRAME )
+               destframe = 0;
+       else
+               destframe = (realtime - video->starttime) * video->framerate;
+       if( destframe < 0 )
+               destframe = 0;
+       if( video->framenum < destframe ) {
+               do {
+                       video->framenum++;
+                       if( dpvsimpledecode_video( video->stream, video->imagedata, cl_videormask,
+                               cl_videogmask, cl_videobmask, cl_videobytesperpixel,
+                               cl_videobytesperpixel * video->cpif.width )
+                               ) { // finished?
+                               CL_RestartVideo( video );
+                               if( video->state == CLVIDEO_PLAY )
+                                               video->state = CLVIDEO_FIRSTFRAME;
+                               return;
+                       }
+               } while( video->framenum < destframe );
+               R_UpdateTexture( video->cpif.tex, (unsigned char *)video->imagedata );
        }
 }
 
-void CL_VideoStart(char *filename)
+void CL_VideoFrame( void ) // update all videos
 {
-       char *errorstring;
-       cl_videostream = dpvsimpledecode_open(filename, &errorstring);
-       if (!cl_videostream)
-       {
-               Con_Printf("unable to open \"%s\", error: %s\n", filename, errorstring);
+       int i;
+       clvideo_t *video;
+
+       if (!cl_num_videos)
                return;
-       }
 
-       cl_videoplaying = true;
-       cl_videostarttime = realtime;
-       cl_videoframenum = -1;
-       cl_videoframerate = dpvsimpledecode_getframerate(cl_videostream);
-       cl_videoimagewidth = dpvsimpledecode_getwidth(cl_videostream);
-       cl_videoimageheight = dpvsimpledecode_getheight(cl_videostream);
-
-       // RGBA format
-       cl_videoimagedata_bytesperpixel = 4;
-       cl_videoimagedata_rmask = BigLong(0xFF000000);
-       cl_videoimagedata_gmask = BigLong(0x00FF0000);
-       cl_videoimagedata_bmask = BigLong(0x0000FF00);
-       cl_videoimagedata = Mem_Alloc(clvideomempool, cl_videoimagewidth * cl_videoimageheight * cl_videoimagedata_bytesperpixel);
-       //memset(cl_videoimagedata, 97, cl_videoimagewidth * cl_videoimageheight * cl_videoimagedata_bytesperpixel);
-
-       cl_videosoundrate = dpvsimpledecode_getsoundrate(cl_videostream);
-       cl_videosoundlength = 0;
-       cl_videosounddata = NULL;
-       cl_videosoundresamplelength = 0;
-       cl_videosoundresampledata = NULL;
+       for( video = cl_videos, i = 0 ; i < cl_num_videos ; video++, i++ )
+               if( video->state != CLVIDEO_UNUSED && !video->suspended )
+               {
+                       if( realtime - video->lasttime > CLTHRESHOLD )
+                               SuspendVideo( video );
+                       else if( video->state == CLVIDEO_PAUSE )
+                               video->starttime = realtime - video->framenum * video->framerate;
+                       else
+                               VideoFrame( video );
+               }
 
-       cl_videotexturepool = R_AllocTexturePool();
-       cl_videotexture = R_LoadTexture2D(cl_videotexturepool, "videotexture", cl_videoimagewidth, cl_videoimageheight, NULL, TEXTYPE_RGBA, TEXF_FRAGMENT, NULL);
+       if( cl_videos->state == CLVIDEO_FIRSTFRAME )
+               CL_VideoStop();
+
+       // reduce range to exclude unnecessary entries
+       while (cl_num_videos > 0 && cl_videos[cl_num_videos-1].state == CLVIDEO_UNUSED)
+               cl_num_videos--;
 }
 
-void CL_VideoStop(void)
+void CL_Video_Shutdown( void )
 {
-       cl_videoplaying = false;
+       int i;
+       for( i = 0 ; i < cl_num_videos ; i++ )
+               CL_CloseVideo( &cl_videos[ i ] );
+}
 
-       S_RawSamples_ClearQueue();
+void CL_PurgeOwner( int owner )
+{
+       int i;
+       for( i = 0 ; i < cl_num_videos ; i++ )
+               if( cl_videos[ i ].ownertag == owner )
+                       CL_CloseVideo( &cl_videos[ i ] );
+}
 
-       if (cl_videostream)
-               dpvsimpledecode_close(cl_videostream);
-       cl_videostream = NULL;
+int cl_videoplaying = false; // old, but still supported
 
-       if (cl_videoimagedata)
-               Mem_Free(cl_videoimagedata);
-       cl_videoimagedata = NULL;
+void CL_DrawVideo(void)
+{
+       if (cl_videoplaying)
+               DrawQ_Pic(0, 0, &CL_GetVideoBySlot( 0 )->cpif, vid_conwidth.integer, vid_conheight.integer, 1, 1, 1, 1, 0);
+}
 
-       if (cl_videosounddata)
-               Mem_Free(cl_videosounddata);
-       cl_videosounddata = NULL;
+void CL_VideoStart(char *filename)
+{
+       Host_StartVideo();
 
-       if (cl_videosoundresampledata)
-               Mem_Free(cl_videosoundresampledata);
-       cl_videosoundresampledata = NULL;
+       if( cl_videos->state != CLVIDEO_UNUSED )
+               CL_CloseVideo( cl_videos );
+       if( !OpenVideo( cl_videos, filename, va( CLVIDEOPREFIX "%s", filename ), 0 ) )
+               return;
+       // expand the active range to include the new entry
+       cl_num_videos = max(cl_num_videos, 1);
 
-       cl_videotexture = NULL;
-       R_FreeTexturePool(&cl_videotexturepool);
+       cl_videoplaying = true;
 
-       Draw_FreePic("engine_videoframe");
+       CL_SetVideoState( cl_videos, CLVIDEO_PLAY );
+       CL_RestartVideo( cl_videos );
+}
+
+void CL_VideoStop(void)
+{
+       cl_videoplaying = false;
+
+       CL_CloseVideo( cl_videos );
 }
 
 static void CL_PlayVideo_f(void)
 {
-       char name[1024];
+       char name[MAX_QPATH];
+
+       Host_StartVideo();
 
        if (Cmd_Argc() != 2)
        {
-               Con_Print("usage: playvideo <videoname>\nplays video named video/<videoname>.dpv\n");
+               Con_Print("usage: playvideo <videoname>\nplays video named video/<videoname>.dpv\n");
                return;
        }
 
-       sprintf(name, "%s/video/%s.dpv", fs_gamedir, Cmd_Argv(1));
+       sprintf(name, "video/%s.dpv", Cmd_Argv(1));
        CL_VideoStart(name);
 }
 
@@ -202,10 +304,39 @@ static void CL_StopVideo_f(void)
        CL_VideoStop();
 }
 
-void CL_Video_Init(void)
+static void cl_video_start( void )
 {
-       Cmd_AddCommand("playvideo", CL_PlayVideo_f);
-       Cmd_AddCommand("stopvideo", CL_StopVideo_f);
+       int i;
+       clvideo_t *video;
+
+       cl_videotexturepool = R_AllocTexturePool();
 
-       clvideomempool = Mem_AllocPool("CL_Video");
+       for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
+               if( video->state != CLVIDEO_UNUSED && !video->suspended )
+                       video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name,
+                               video->cpif.width, video->cpif.height, NULL, TEXTYPE_RGBA, 0, NULL );
 }
+
+static void cl_video_shutdown( void )
+{
+       R_FreeTexturePool( &cl_videotexturepool );
+}
+
+static void cl_video_newmap( void )
+{
+}
+
+void CL_Video_Init( void )
+{
+       cl_num_videos = 0;
+       cl_videobytesperpixel = 4;
+       cl_videormask = BigLong(0xFF000000);
+       cl_videogmask = BigLong(0x00FF0000);
+       cl_videobmask = BigLong(0x0000FF00);
+
+       Cmd_AddCommand( "playvideo", CL_PlayVideo_f, "play a .dpv video file" );
+       Cmd_AddCommand( "stopvideo", CL_StopVideo_f, "stop playing a .dpv video file" );
+
+       R_RegisterModule( "CL_Video", cl_video_start, cl_video_shutdown, cl_video_newmap );
+}
+