X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=cl_video.c;h=4eac2aea923314e61883ff220b40a8f4dcf3d72e;hb=145be4b7f63608b1b43cdae981761cc74c34efa0;hp=c6c094c365995c03bd292ffa81f83dca56c4b5ba;hpb=ff46d6ff516fda192c5adc55a5c9b82007545bd2;p=xonotic%2Fdarkplaces.git

diff --git a/cl_video.c b/cl_video.c
index c6c094c3..4eac2aea 100644
--- a/cl_video.c
+++ b/cl_video.c
@@ -1,191 +1,326 @@
 
 #include "quakedef.h"
+#include "cl_dyntexture.h"
 #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;
+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;
+}
 
-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;
+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;
+}
 
-int cl_videosoundrate;
-int cl_videosoundlength;
-short *cl_videosounddata;
-int cl_videosoundresamplelength;
-short *cl_videosoundresampledata;
+static void VideoUpdateCallback(rtexture_t *rt, void *data) {
+	clvideo_t *video = (clvideo_t *) data;
+	R_UpdateTexture( video->cpif.tex, (unsigned char *)video->imagedata, 0, 0, video->cpif.width, video->cpif.height );
+}
 
-rtexture_t *cl_videotexture;
-rtexturepool_t *cl_videotexturepool;
+static void LinkVideoTexture( clvideo_t *video ) {
+	video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name,
+		video->cpif.width, video->cpif.height, NULL, TEXTYPE_BGRA, TEXF_ALWAYSPRECACHE | TEXF_PERSISTENT, NULL );
+	R_MakeTextureDynamic( video->cpif.tex, VideoUpdateCallback, video );
+	CL_LinkDynTexture( video->cpif.name, video->cpif.tex );
+}
+
+static void UnlinkVideoTexture( clvideo_t *video ) {
+	CL_UnlinkDynTexture( video->cpif.name );
+	// free the texture
+	R_FreeTexture( video->cpif.tex );
+	// free the image data
+	Mem_Free( video->imagedata );
+}
 
-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;
+	UnlinkVideoTexture( video );
+	// 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;
 		}
-	}
-	if (frames)
-	{
-		R_UpdateTexture(cl_videotexture, cl_videoimagedata);
-		//Draw_NewPic("engine_videoframe", cl_videoimagewidth, cl_videoimageheight, false, cl_videoimagedata);
-	}
-	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->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
+	LinkVideoTexture( video );
 
-		// 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]));
-		}
+	// update starttime
+	video->starttime += realtime - video->lasttime;
 
-		// 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]));
+	return true;
+}
+
+static clvideo_t* OpenVideo( clvideo_t *video, const char *filename, const char *name, int owner )
+{
+	strlcpy( video->filename, filename, sizeof(video->filename) );
+	video->ownertag = owner;
+	if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
+		return NULL;
+	strlcpy( video->cpif.name, name, sizeof(video->cpif.name) );
+
+	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->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
+	LinkVideoTexture( video );
+
+	return video;
+}
+
+clvideo_t* CL_OpenVideo( const char *filename, const char *name, int owner )
+{
+	clvideo_t *video;
+	// sanity check
+	if( !name || !*name || strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) != 0 ) {
+		if( developer.integer > 0 ) {
+			Con_Printf( "CL_OpenVideo: Bad video texture name '%s'!\n", name );
 		}
+		return NULL;
+	}
 
-		dpvsimpledecode_audio(cl_videostream, cl_videosounddata, s);
-		S_ResampleBuffer16Stereo(cl_videosounddata, s, cl_videosoundresampledata, samples);
-		S_RawSamples_Enqueue(cl_videosoundresampledata, samples);
+	video = FindUnusedVid();
+	if( !video ) {
+		Con_Printf( "CL_OpenVideo: unable to open video \"%s\" - video limit reached\n", filename );
+		return NULL;
 	}
+	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;
 }
 
-void CL_DrawVideo(void)
+static clvideo_t* CL_GetVideoBySlot( int slot )
 {
-	if (cl_videoplaying)
+	clvideo_t *video = &cl_videos[ slot ];
+
+	if( video->suspended )
 	{
-		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, 1, 1, 1, 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.num_triangles = 2;
-		mesh.num_vertices = 4;
-		mesh.data_element3i = polygonelements;
-		mesh.data_vertex3f = vertex3f;
-		mesh.data_texcoord2f = texcoord2f;
-		mesh.data_color4f = color4f;
-		DrawQ_Mesh(&mesh, 0);
-		//DrawQ_Pic(0, 0, "engine_videoframe", vid.conwidth, vid.conheight, 1, 1, 1, 1, 0);
+		if( !WakeVideo( video ) )
+			return NULL;
+		else if( video->state == CLVIDEO_RESETONWAKEUP )
+			video->framenum = -1;
 	}
+
+	video->lasttime = realtime;
+
+	return video;
 }
 
-void CL_VideoStart(char *filename)
+clvideo_t *CL_GetVideoByName( const char *name )
 {
-	char *errorstring;
-	cl_videostream = dpvsimpledecode_open(filename, &errorstring);
-	if (!cl_videostream)
-	{
-		Con_Printf("unable to open \"%s\", error: %s\n", filename, errorstring);
+	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;
+}
+
+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 ) {
+		UnlinkVideoTexture( video );
 	}
 
-	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;
+	video->state = CLVIDEO_UNUSED;
+}
 
-	cl_videotexturepool = R_AllocTexturePool();
-	cl_videotexture = R_LoadTexture2D(cl_videotexturepool, "videotexture", cl_videoimagewidth, cl_videoimageheight, NULL, TEXTYPE_RGBA, TEXF_FRAGMENT, NULL);
+static void VideoFrame( clvideo_t *video )
+{
+	int destframe;
+
+	if( video->state == CLVIDEO_FIRSTFRAME )
+		destframe = 0;
+	else
+		destframe = (int)((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_MarkDirtyTexture( video->cpif.tex );
+	}
 }
 
-void CL_VideoStop(void)
+void CL_Video_Frame( void ) // update all videos
 {
-	cl_videoplaying = false;
+	int i;
+	clvideo_t *video;
 
-	S_RawSamples_ClearQueue();
+	if (!cl_num_videos)
+		return;
 
-	if (cl_videostream)
-		dpvsimpledecode_close(cl_videostream);
-	cl_videostream = 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 );
+		}
 
-	if (cl_videoimagedata)
-		Mem_Free(cl_videoimagedata);
-	cl_videoimagedata = NULL;
+	if( cl_videos->state == CLVIDEO_FIRSTFRAME )
+		CL_VideoStop();
 
-	if (cl_videosounddata)
-		Mem_Free(cl_videosounddata);
-	cl_videosounddata = NULL;
+	// reduce range to exclude unnecessary entries
+	while (cl_num_videos > 0 && cl_videos[cl_num_videos-1].state == CLVIDEO_UNUSED)
+		cl_num_videos--;
+}
 
-	if (cl_videosoundresampledata)
-		Mem_Free(cl_videosoundresampledata);
-	cl_videosoundresampledata = NULL;
+void CL_Video_Shutdown( void )
+{
+	int i;
+	for( i = 0 ; i < cl_num_videos ; i++ )
+		CL_CloseVideo( &cl_videos[ i ] );
+}
 
-	cl_videotexture = NULL;
-	R_FreeTexturePool(&cl_videotexturepool);
+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 ] );
+}
+
+int cl_videoplaying = false; // old, but still supported
 
-	Draw_FreePic("engine_videoframe");
+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);
+}
+
+void CL_VideoStart(char *filename)
+{
+	Host_StartVideo();
+
+	if( cl_videos->state != CLVIDEO_UNUSED )
+		CL_CloseVideo( cl_videos );
+	// already contains video/
+	if( !OpenVideo( cl_videos, filename, va( CLDYNTEXTUREPREFIX "%s", filename ), 0 ) )
+		return;
+	// expand the active range to include the new entry
+	cl_num_videos = max(cl_num_videos, 1);
+
+	cl_videoplaying = true;
+
+	CL_SetVideoState( cl_videos, CLVIDEO_PLAY );
+	CL_RestartVideo( cl_videos );
+}
+
+void CL_Video_KeyEvent( int key, int ascii, qboolean down ) 
+{
+	// only react to up events, to allow the user to delay the abortion point if it suddenly becomes interesting..
+	if( !down ) {
+		if( key == K_ESCAPE || key == K_ENTER || key == K_SPACE ) {
+			CL_VideoStop();
+		}
+	}
+}
+
+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)
 	{
@@ -193,7 +328,7 @@ static void CL_PlayVideo_f(void)
 		return;
 	}
 
-	sprintf(name, "video/%s.dpv", Cmd_Argv(1));
+	dpsnprintf(name, sizeof(name), "video/%s.dpv", Cmd_Argv(1));
 	CL_VideoStart(name);
 }
 
@@ -202,10 +337,48 @@ static void CL_StopVideo_f(void)
 	CL_VideoStop();
 }
 
-void CL_Video_Init(void)
+static void cl_video_start( void )
+{
+	int i;
+	clvideo_t *video;
+
+	cl_videotexturepool = R_AllocTexturePool();
+
+	for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
+		if( video->state != CLVIDEO_UNUSED && !video->suspended )
+			LinkVideoTexture( video );
+}
+
+static void cl_video_shutdown( void )
+{
+	// TODO: unlink video textures?
+	R_FreeTexturePool( &cl_videotexturepool );
+}
+
+static void cl_video_newmap( void )
+{
+}
+
+void CL_Video_Init( void )
 {
-	Cmd_AddCommand("playvideo", CL_PlayVideo_f);
-	Cmd_AddCommand("stopvideo", CL_StopVideo_f);
+	union
+	{
+		unsigned char b[4];
+		unsigned int i;
+	}
+	bgra;
+
+	cl_num_videos = 0;
+	cl_videobytesperpixel = 4;
 
-	clvideomempool = Mem_AllocPool("CL_Video");
+	// set masks in an endian-independent way (as they really represent bytes)
+	bgra.i = 0;bgra.b[0] = 0xFF;cl_videobmask = bgra.i;
+	bgra.i = 0;bgra.b[1] = 0xFF;cl_videogmask = bgra.i;
+	bgra.i = 0;bgra.b[2] = 0xFF;cl_videormask = bgra.i;
+
+	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 );
 }
+