cl_video.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "dpvsimpledecode.h"
   5
   6 mempool_t *clvideomempool;
   7
   8 int cl_videoplaying = false;
   9 void *cl_videostream;
  10
  11 double cl_videostarttime;
  12 int cl_videoframenum;
  13 double cl_videoframerate;
  14
  15 int cl_videoimagewidth;
  16 int cl_videoimageheight;
  17 int cl_videoimagedata_rmask;
  18 int cl_videoimagedata_gmask;
  19 int cl_videoimagedata_bmask;
  20 int cl_videoimagedata_bytesperpixel;
  21 void *cl_videoimagedata;
  22
  23 int cl_videosoundrate;
  24 int cl_videosoundlength;
  25 short *cl_videosounddata;
  26 int cl_videosoundresamplelength;
  27 short *cl_videosoundresampledata;
  28
  29 rtexture_t *cl_videotexture;
  30 rtexturepool_t *cl_videotexturepool;
  31
  32 void CL_VideoFrame(void)
  33 {
  34         int frames, framenum, samples, s;
  35         if (!cl_videoplaying)
  36                 return;
  37         framenum = (realtime - cl_videostarttime) * cl_videoframerate;
  38         //Con_Printf("frame %i\n", framenum);
  39         if (framenum < 0)
  40                 framenum = 0;
  41         frames = 0;
  42         while (cl_videoframenum < framenum)
  43         {
  44                 frames++;
  45                 cl_videoframenum++;
  46                 if (dpvsimpledecode_video(cl_videostream, cl_videoimagedata, cl_videoimagedata_rmask, cl_videoimagedata_gmask, cl_videoimagedata_bmask, cl_videoimagedata_bytesperpixel, cl_videoimagewidth * cl_videoimagedata_bytesperpixel))
  47                 {
  48                         CL_VideoStop();
  49                         return;
  50                 }
  51         }
  52         if (frames)
  53         {
  54                 R_UpdateTexture(cl_videotexture, cl_videoimagedata);
  55                 //Draw_NewPic("engine_videoframe", cl_videoimagewidth, cl_videoimageheight, false, cl_videoimagedata);
  56         }
  57         if (cl_videosoundrate && (samples = S_RawSamples_QueueWantsMore()))
  58         {
  59                 Con_DPrintf("%i = S_RawSamples_QueueWantsMore()\n", samples);
  60
  61                 // calculate how much source data we need to fill the output...
  62                 s = samples * cl_videosoundrate / S_RawSamples_SampleRate();
  63
  64                 // reallocate processing buffer if needed
  65                 if (cl_videosoundresamplelength < samples)
  66                 {
  67                         cl_videosoundresamplelength = samples + 100;
  68                         if (cl_videosoundresampledata)
  69                                 Mem_Free(cl_videosoundresampledata);
  70                         cl_videosoundresampledata = Mem_Alloc(clvideomempool, cl_videosoundresamplelength * sizeof(short[2]));
  71                 }
  72
  73                 // reallocate loading buffer if needed
  74                 if (cl_videosoundlength < s)
  75                 {
  76                         cl_videosoundlength = s + 100;
  77                         if (cl_videosounddata)
  78                                 Mem_Free(cl_videosounddata);
  79                         cl_videosounddata = Mem_Alloc(clvideomempool, cl_videosoundlength * sizeof(short[2]));
  80                 }
  81
  82                 dpvsimpledecode_audio(cl_videostream, cl_videosounddata, s);
  83                 S_ResampleBuffer16Stereo(cl_videosounddata, s, cl_videosoundresampledata, samples);
  84                 S_RawSamples_Enqueue(cl_videosoundresampledata, samples);
  85         }
  86 }
  87
  88 void CL_DrawVideo(void)
  89 {
  90         if (cl_videoplaying)
  91         {
  92                 drawqueuemesh_t mesh;
  93                 float vertex3f[12];
  94                 float texcoord2f[8];
  95                 float color4f[16];
  96                 float s1, t1, s2, t2, x1, y1, x2, y2;
  97                 x1 = 0;
  98                 y1 = 0;
  99                 x2 = vid.conwidth;
 100                 y2 = vid.conheight;
 101                 R_FragmentLocation(cl_videotexture, NULL, NULL, &s1, &t1, &s2, &t2);
 102                 texcoord2f[0] = s1;texcoord2f[1] = t1;
 103                 texcoord2f[2] = s2;texcoord2f[3] = t1;
 104                 texcoord2f[4] = s2;texcoord2f[5] = t2;
 105                 texcoord2f[6] = s1;texcoord2f[7] = t2;
 106                 R_FillColors(color4f, 4, 1, 1, 1, 1);
 107                 vertex3f[ 0] = x1;vertex3f[ 1] = y1;vertex3f[ 2] = 0;
 108                 vertex3f[ 3] = x2;vertex3f[ 4] = y1;vertex3f[ 5] = 0;
 109                 vertex3f[ 6] = x2;vertex3f[ 7] = y2;vertex3f[ 8] = 0;
 110                 vertex3f[ 9] = x1;vertex3f[10] = y2;vertex3f[11] = 0;
 111                 mesh.texture = cl_videotexture;
 112                 mesh.numtriangles = 2;
 113                 mesh.numvertices = 4;
 114                 mesh.element3i = polygonelements;
 115                 mesh.vertex3f = vertex3f;
 116                 mesh.texcoord2f = texcoord2f;
 117                 mesh.color4f = color4f;
 118                 DrawQ_Mesh(&mesh, 0);
 119                 //DrawQ_Pic(0, 0, "engine_videoframe", vid.conwidth, vid.conheight, 1, 1, 1, 1, 0);
 120         }
 121 }
 122
 123 void CL_VideoStart(char *filename)
 124 {
 125         char *errorstring;
 126         cl_videostream = dpvsimpledecode_open(filename, &errorstring);
 127         if (!cl_videostream)
 128         {
 129                 Con_Printf("unable to open \"%s\", error: %s\n", filename, errorstring);
 130                 return;
 131         }
 132
 133         cl_videoplaying = true;
 134         cl_videostarttime = realtime;
 135         cl_videoframenum = -1;
 136         cl_videoframerate = dpvsimpledecode_getframerate(cl_videostream);
 137         cl_videoimagewidth = dpvsimpledecode_getwidth(cl_videostream);
 138         cl_videoimageheight = dpvsimpledecode_getheight(cl_videostream);
 139
 140         // RGBA format
 141         cl_videoimagedata_bytesperpixel = 4;
 142         cl_videoimagedata_rmask = BigLong(0xFF000000);
 143         cl_videoimagedata_gmask = BigLong(0x00FF0000);
 144         cl_videoimagedata_bmask = BigLong(0x0000FF00);
 145         cl_videoimagedata = Mem_Alloc(clvideomempool, cl_videoimagewidth * cl_videoimageheight * cl_videoimagedata_bytesperpixel);
 146         //memset(cl_videoimagedata, 97, cl_videoimagewidth * cl_videoimageheight * cl_videoimagedata_bytesperpixel);
 147
 148         cl_videosoundrate = dpvsimpledecode_getsoundrate(cl_videostream);
 149         cl_videosoundlength = 0;
 150         cl_videosounddata = NULL;
 151         cl_videosoundresamplelength = 0;
 152         cl_videosoundresampledata = NULL;
 153
 154         cl_videotexturepool = R_AllocTexturePool();
 155         cl_videotexture = R_LoadTexture2D(cl_videotexturepool, "videotexture", cl_videoimagewidth, cl_videoimageheight, NULL, TEXTYPE_RGBA, TEXF_FRAGMENT, NULL);
 156 }
 157
 158 void CL_VideoStop(void)
 159 {
 160         cl_videoplaying = false;
 161
 162         S_RawSamples_ClearQueue();
 163
 164         if (cl_videostream)
 165                 dpvsimpledecode_close(cl_videostream);
 166         cl_videostream = NULL;
 167
 168         if (cl_videoimagedata)
 169                 Mem_Free(cl_videoimagedata);
 170         cl_videoimagedata = NULL;
 171
 172         if (cl_videosounddata)
 173                 Mem_Free(cl_videosounddata);
 174         cl_videosounddata = NULL;
 175
 176         if (cl_videosoundresampledata)
 177                 Mem_Free(cl_videosoundresampledata);
 178         cl_videosoundresampledata = NULL;
 179
 180         cl_videotexture = NULL;
 181         R_FreeTexturePool(&cl_videotexturepool);
 182
 183         Draw_FreePic("engine_videoframe");
 184 }
 185
 186 static void CL_PlayVideo_f(void)
 187 {
 188         char name[1024];
 189
 190         if (Cmd_Argc() != 2)
 191         {
 192                 Con_Printf ("usage: playvideo <videoname>\nplays video named video/<videoname>.dpv\n");
 193                 return;
 194         }
 195
 196         sprintf(name, "video/%s.dpv", Cmd_Argv(1));
 197         CL_VideoStart(name);
 198 }
 199
 200 static void CL_StopVideo_f(void)
 201 {
 202         CL_VideoStop();
 203 }
 204
 205 void CL_Video_Init(void)
 206 {
 207         Cmd_AddCommand("playvideo", CL_PlayVideo_f);
 208         Cmd_AddCommand("stopvideo", CL_StopVideo_f);
 209
 210         clvideomempool = Mem_AllocPool("CL_Video");
 211 }