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_Printf("%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                 int indices[6];
  94                 float vertices[16];
  95                 float texcoords[8];
  96                 float colorsf[16];
  97                 float s1, t1, s2, t2, x1, y1, x2, y2;
  98                 indices[0] = 0;
  99                 indices[1] = 1;
 100                 indices[2] = 2;
 101                 indices[3] = 0;
 102                 indices[4] = 2;
 103                 indices[5] = 3;
 104                 x1 = 0;
 105                 y1 = 0;
 106                 x2 = vid.conwidth;
 107                 y2 = vid.conheight;
 108                 R_FragmentLocation(cl_videotexture, NULL, NULL, &s1, &t1, &s2, &t2);
 109                 texcoords[0] = s1;texcoords[1] = t1;
 110                 texcoords[2] = s2;texcoords[3] = t1;
 111                 texcoords[4] = s2;texcoords[5] = t2;
 112                 texcoords[6] = s1;texcoords[7] = t2;
 113                 R_FillColors(colorsf, 4, r_colorscale, r_colorscale, r_colorscale, 1);
 114                 vertices[ 0] = x1;vertices[ 1] = y1;vertices[ 2] = 0;vertices[ 3] = 0;
 115                 vertices[ 4] = x2;vertices[ 5] = y1;vertices[ 6] = 0;vertices[ 7] = 0;
 116                 vertices[ 8] = x2;vertices[ 9] = y2;vertices[10] = 0;vertices[11] = 0;
 117                 vertices[12] = x1;vertices[13] = y2;vertices[14] = 0;vertices[15] = 0;
 118                 mesh.texture = cl_videotexture;
 119                 mesh.numtriangles = 2;
 120                 mesh.numvertices = 4;
 121                 mesh.indices = indices;
 122                 mesh.vertices = vertices;
 123                 mesh.texcoords = texcoords;
 124                 mesh.colors = colorsf;
 125                 DrawQ_Mesh(&mesh, 0);
 126                 //DrawQ_Pic(0, 0, "engine_videoframe", vid.conwidth, vid.conheight, 1, 1, 1, 1, 0);
 127         }
 128 }
 129
 130 void CL_VideoStart(char *filename)
 131 {
 132         char *errorstring;
 133         cl_videostream = dpvsimpledecode_open(filename, &errorstring);
 134         if (!cl_videostream)
 135         {
 136                 Con_Printf("unable to open \"%s\", error: %s\n", filename, errorstring);
 137                 return;
 138         }
 139
 140         cl_videoplaying = true;
 141         cl_videostarttime = realtime;
 142         cl_videoframenum = -1;
 143         cl_videoframerate = dpvsimpledecode_getframerate(cl_videostream);
 144         cl_videoimagewidth = dpvsimpledecode_getwidth(cl_videostream);
 145         cl_videoimageheight = dpvsimpledecode_getheight(cl_videostream);
 146
 147         // RGBA format
 148         cl_videoimagedata_bytesperpixel = 4;
 149         cl_videoimagedata_rmask = BigLong(0xFF000000);
 150         cl_videoimagedata_gmask = BigLong(0x00FF0000);
 151         cl_videoimagedata_bmask = BigLong(0x0000FF00);
 152         cl_videoimagedata = Mem_Alloc(clvideomempool, cl_videoimagewidth * cl_videoimageheight * cl_videoimagedata_bytesperpixel);
 153         //memset(cl_videoimagedata, 97, cl_videoimagewidth * cl_videoimageheight * cl_videoimagedata_bytesperpixel);
 154
 155         cl_videosoundrate = dpvsimpledecode_getsoundrate(cl_videostream);
 156         cl_videosoundlength = 0;
 157         cl_videosounddata = NULL;
 158         cl_videosoundresamplelength = 0;
 159         cl_videosoundresampledata = NULL;
 160
 161         cl_videotexturepool = R_AllocTexturePool();
 162         cl_videotexture = R_LoadTexture(cl_videotexturepool, "videotexture", cl_videoimagewidth, cl_videoimageheight, NULL, TEXTYPE_RGBA, TEXF_FRAGMENT);
 163 }
 164
 165 void CL_VideoStop(void)
 166 {
 167         cl_videoplaying = false;
 168
 169         S_RawSamples_ClearQueue();
 170
 171         if (cl_videostream)
 172                 dpvsimpledecode_close(cl_videostream);
 173         cl_videostream = NULL;
 174
 175         if (cl_videoimagedata)
 176                 Mem_Free(cl_videoimagedata);
 177         cl_videoimagedata = NULL;
 178
 179         if (cl_videosounddata)
 180                 Mem_Free(cl_videosounddata);
 181         cl_videosounddata = NULL;
 182
 183         if (cl_videosoundresampledata)
 184                 Mem_Free(cl_videosoundresampledata);
 185         cl_videosoundresampledata = NULL;
 186
 187         cl_videotexture = NULL;
 188         R_FreeTexturePool(&cl_videotexturepool);
 189
 190         Draw_FreePic("engine_videoframe");
 191 }
 192
 193 static void CL_PlayVideo_f(void)
 194 {
 195         char name[1024];
 196
 197         if (Cmd_Argc() != 2)
 198         {
 199                 Con_Printf ("usage: playvideo <videoname>\nplays video named video/<videoname>.dpv\n");
 200                 return;
 201         }
 202
 203         sprintf(name, "%s/video/%s.dpv", com_gamedir, Cmd_Argv(1));
 204         CL_VideoStart(name);
 205 }
 206
 207 static void CL_StopVideo_f(void)
 208 {
 209         CL_VideoStop();
 210 }
 211
 212 void CL_Video_Init(void)
 213 {
 214         Cmd_AddCommand("playvideo", CL_PlayVideo_f);
 215         Cmd_AddCommand("stopvideo", CL_StopVideo_f);
 216
 217         clvideomempool = Mem_AllocPool("CL_Video");
 218 }