]> de.git.xonotic.org Git - voretournament/voretournament.git/blobdiff - misc/mediasource/netradiant-src/tools/quake3/q3data/video.c
Rename mediasource to source
[voretournament/voretournament.git] / misc / mediasource / netradiant-src / tools / quake3 / q3data / video.c
diff --git a/misc/mediasource/netradiant-src/tools/quake3/q3data/video.c b/misc/mediasource/netradiant-src/tools/quake3/q3data/video.c
deleted file mode 100644 (file)
index afabdeb..0000000
+++ /dev/null
@@ -1,1153 +0,0 @@
-/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-#include <assert.h>
-#include "q3data.h"
-
-static int s_resample_width = 256;
-static int s_resample_height = 256;
-
-#define OUTPUT_TGAS                    1
-
-#define UNCOMPRESSED           0
-#define BTC_COMPRESSION                1
-
-static int s_compression_method = BTC_COMPRESSION;
-
-static const char *CIN_EXTENSION = "cn2";
-static const int CIN_SIGNATURE = ( 'C' << 24 ) | ( 'I' << 16 ) | ( 'N' << 8 ) | ( '2' );
-
-static byte    *s_soundtrack;
-static char    s_base[32];
-static char    s_output_base[32];
-
-/*
-===============================================================================
-
-WAV loading
-
-===============================================================================
-*/
-
-typedef struct
-{
-       int                     rate;
-       int                     width;
-       int                     channels;
-       int                     loopstart;
-       int                     samples;
-       int                     dataofs;                // chunk starts this many bytes from file start
-} wavinfo_t;
-
-
-byte   *data_p;
-byte   *iff_end;
-byte   *last_chunk;
-byte   *iff_data;
-int    iff_chunk_len;
-
-
-static int                     s_samplecounts[0x10000];
-static wavinfo_t       s_wavinfo;
-
-short GetLittleShort(void)
-{
-       short val = 0;
-       val = *data_p;
-       val = val + (*(data_p+1)<<8);
-       data_p += 2;
-       return val;
-}
-
-int GetLittleLong(void)
-{
-       int val = 0;
-       val = *data_p;
-       val = val + (*(data_p+1)<<8);
-       val = val + (*(data_p+2)<<16);
-       val = val + (*(data_p+3)<<24);
-       data_p += 4;
-       return val;
-}
-
-void FindNextChunk(char *name)
-{
-       while (1)
-       {
-               data_p=last_chunk;
-
-               if (data_p >= iff_end)
-               {       // didn't find the chunk
-                       data_p = NULL;
-                       return;
-               }
-               
-               data_p += 4;
-               iff_chunk_len = GetLittleLong();
-               if (iff_chunk_len < 0)
-               {
-                       data_p = NULL;
-                       return;
-               }
-//             if (iff_chunk_len > 1024*1024)
-//                     Sys_Error ("FindNextChunk: %i length is past the 1 meg sanity limit", iff_chunk_len);
-               data_p -= 8;
-               last_chunk = data_p + 8 + ( (iff_chunk_len + 1) & ~1 );
-               if (!strncmp(data_p, name, 4))
-                       return;
-       }
-}
-
-void FindChunk(char *name)
-{
-       last_chunk = iff_data;
-       FindNextChunk (name);
-}
-
-
-void DumpChunks(void)
-{
-       char    str[5];
-       
-       str[4] = 0;
-       data_p=iff_data;
-       do
-       {
-               memcpy (str, data_p, 4);
-               data_p += 4;
-               iff_chunk_len = GetLittleLong();
-               printf ("0x%x : %s (%d)\n", (int)(data_p - 4), str, iff_chunk_len);
-               data_p += (iff_chunk_len + 1) & ~1;
-       } while (data_p < iff_end);
-}
-
-/*
-============
-GetWavinfo
-============
-*/
-wavinfo_t GetWavinfo (char *name, byte *wav, int wavlength)
-{
-       wavinfo_t       info;
-       int     i;
-       int     format;
-       int             samples;
-
-       memset (&info, 0, sizeof(info));
-
-       if (!wav)
-               return info;
-               
-       iff_data = wav;
-       iff_end = wav + wavlength;
-
-// find "RIFF" chunk
-       FindChunk("RIFF");
-       if (!(data_p && !strncmp(data_p+8, "WAVE", 4)))
-       {
-               printf("Missing RIFF/WAVE chunks\n");
-               return info;
-       }
-
-// get "fmt " chunk
-       iff_data = data_p + 12;
-// DumpChunks ();
-
-       FindChunk("fmt ");
-       if (!data_p)
-       {
-               printf("Missing fmt chunk\n");
-               return info;
-       }
-       data_p += 8;
-       format = GetLittleShort();
-       if (format != 1)
-       {
-               printf("Microsoft PCM format only\n");
-               return info;
-       }
-
-       info.channels = GetLittleShort();
-       info.rate = GetLittleLong();
-       data_p += 4+2;
-       info.width = GetLittleShort() / 8;
-
-// get cue chunk
-       FindChunk("cue ");
-       if (data_p)
-       {
-               data_p += 32;
-               info.loopstart = GetLittleLong();
-//             Com_Printf("loopstart=%d\n", sfx->loopstart);
-
-       // if the next chunk is a LIST chunk, look for a cue length marker
-               FindNextChunk ("LIST");
-               if (data_p)
-               {
-                       if (!strncmp (data_p + 28, "mark", 4))
-                       {       // this is not a proper parse, but it works with cooledit...
-                               data_p += 24;
-                               i = GetLittleLong ();   // samples in loop
-                               info.samples = info.loopstart + i;
-                       }
-               }
-       }
-       else
-               info.loopstart = -1;
-
-// find data chunk
-       FindChunk("data");
-       if (!data_p)
-       {
-               printf("Missing data chunk\n");
-               return info;
-       }
-
-       data_p += 4;
-       samples = GetLittleLong ();
-
-       if (info.samples)
-       {
-               if (samples < info.samples)
-                       Error ("Sound %s has a bad loop length", name);
-       }
-       else
-               info.samples = samples;
-
-       info.dataofs = data_p - wav;
-
-       return info;
-}
-
-//=====================================================================
-
-/*
-==============
-LoadSoundtrack
-==============
-*/
-void LoadSoundtrack (void)
-{
-       char    name[1024];
-       FILE    *f;
-       int             len;
-       int     i, val, j;
-
-       s_soundtrack = NULL;
-       sprintf (name, "%svideo/%s/%s.wav", gamedir, s_base, s_base);
-       printf ("WAV: %s\n", name);
-       f = fopen (name, "rb");
-       if (!f)
-       {
-               printf ("no soundtrack for %s\n", s_base);
-               return;
-       }
-       len = Q_filelength(f);
-       s_soundtrack = malloc(len);
-       fread (s_soundtrack, 1, len, f);
-       fclose (f);
-
-       s_wavinfo = GetWavinfo (name, s_soundtrack, len);
-
-       // count samples for compression
-       memset (s_samplecounts, 0, sizeof(s_samplecounts));
-
-       j = s_wavinfo.samples/2;
-       for (i=0 ; i<j ; i++)
-       {
-               val = ((unsigned short *)( s_soundtrack + s_wavinfo.dataofs))[i];
-               s_samplecounts[val]++;
-       }
-       val = 0;
-       for (i=0 ; i<0x10000 ; i++)
-               if (s_samplecounts[i])
-                       val++;
-
-       printf ("%i unique sample values\n", val);
-}
-
-/*
-==================
-WriteSound
-==================
-*/
-void WriteSound (FILE *output, int frame)
-{
-       int             start, end;
-       int             count;
-       int             empty = 0;
-       int             i;
-       int             sample;
-       int             width;
-
-       width = s_wavinfo.width * s_wavinfo.channels;
-
-       start = frame*s_wavinfo.rate/14;
-       end = (frame+1)*s_wavinfo.rate/14;
-       count = end - start;
-
-       for (i=0 ; i<count ; i++)
-       {
-               sample = start+i;
-               if (sample > s_wavinfo.samples || !s_soundtrack)
-                       fwrite (&empty, 1, width, output);
-               else
-                       fwrite (s_soundtrack + s_wavinfo.dataofs + sample*width, 1, width,output);
-       }
-}
-
-//==========================================================================
-
-static float s_resampleXRatio;
-static float s_resampleYRatio;
-
-static void BoxFilterHorizontalElements( unsigned char *dst, unsigned char *src, float s0, float s1 )
-{
-       float w;
-       float rSum = 0, gSum = 0, bSum = 0;
-       float x = s0;
-       float sumWeight = 0;
-
-       for ( x = s0; x < s1; x++, src += 4 )
-       {
-               if ( x == s0 )
-               {
-                       w = ( int ) ( s0 + 1 ) - x;
-               }
-               else if ( x + 1 >= s1 )
-               {
-                       w = s1 - ( int ) x;
-               }
-               else
-               {
-                       w = 1.0f;
-               }
-
-               rSum += src[0] * w;
-               gSum += src[1] * w;
-               bSum += src[2] * w;
-               sumWeight += w;
-       }
-
-       rSum /= sumWeight;
-       gSum /= sumWeight;
-       bSum /= sumWeight;
-
-       dst[0] = ( unsigned char ) ( rSum + 0.5 );
-       dst[1] = ( unsigned char ) ( gSum + 0.5 );
-       dst[2] = ( unsigned char ) ( bSum + 0.5 );
-}
-
-static void BoxFilterVerticalElements( unsigned char *dst, // destination of the filter process
-                                                                          unsigned char *src, // source pixels
-                                                                          int srcStep,            // stride of the source pixels
-                                                                          float s0, float s1 )
-{
-       float w;
-       float rSum = 0, gSum = 0, bSum = 0;
-       float y = s0;
-       float sumWeight = 0;
-
-       for ( y = s0; y < ( int ) ( s1 + 1 ) ; y++, src += srcStep )
-       {
-               if ( y == s0 )
-               {
-                       w = ( int ) ( s0 + 1 ) - y;
-               }
-               else if ( y + 1 >= s1 )
-               {
-                       w = s1 - ( int ) y;
-               }
-               else
-               {
-                       w = 1.0f;
-               }
-
-               rSum += src[0] * w;
-               gSum += src[1] * w;
-               bSum += src[2] * w;
-               sumWeight += w;
-       }
-
-       rSum /= sumWeight;
-       gSum /= sumWeight;
-       bSum /= sumWeight;
-
-       dst[0] = ( unsigned char ) ( rSum + 0.5 );
-       dst[1] = ( unsigned char ) ( gSum + 0.5 );
-       dst[2] = ( unsigned char ) ( bSum + 0.5 );
-       dst[3] = 0xff;
-
-}
-
-static void BoxFilterRow( unsigned char *dstStart, cblock_t *in, int dstRow, int rowWidth )
-{
-       int i;
-       unsigned char *indata = ( unsigned char * ) in->data;
-
-       indata += 4 * dstRow * in->width;
-
-       for ( i = 0; i < rowWidth; i++ )
-       {
-               float c0 = i * s_resampleXRatio;
-               float c1 = ( i + 1 ) * s_resampleXRatio;
-
-               BoxFilterHorizontalElements( &dstStart[i*4], &indata[( ( int ) c0 ) * 4], c0, c1 );
-       }
-}
-
-static void BoxFilterColumn( unsigned char *dstStart, unsigned char *srcStart, int dstCol, int dstRowWidth, int dstColHeight, int srcRowWidthInPels )
-{
-       float c0, c1;
-       int i;
-
-       for ( i = 0; i < dstColHeight; i++ )
-       {
-               c0 = i * s_resampleYRatio;
-               c1 = ( i + 1 ) * s_resampleYRatio;
-
-               BoxFilterVerticalElements( &dstStart[i*4*dstRowWidth], &srcStart[(int)c0*srcRowWidthInPels*4], srcRowWidthInPels*4, c0, c1 );
-       }
-}
-
-#define DROP_SAMPLE            0
-#define BOX_FILTER             1
-
-static void ResampleFrame( cblock_t *in, unsigned char *out, int method, int outWidth, int outHeight )
-{
-       int row, column;
-       unsigned char *indata = ( unsigned char * ) in->data;
-
-       s_resampleXRatio = in->width / ( float ) outWidth;
-       s_resampleYRatio = in->height / ( float ) outHeight;
-
-       if ( method == DROP_SAMPLE )
-       {
-               for ( row = 0; row < outHeight; row++ )
-               {
-                       int r = ( int ) ( row * s_resampleYRatio );
-
-                       for ( column = 0; column < outWidth; column++ )
-                       {
-                               int c = ( int ) ( column * s_resampleXRatio );
-
-                               out[(row*outWidth+column)*4+0] = indata[(r*in->width+c)*4+0];
-                               out[(row*outWidth+column)*4+1] = indata[(r*in->width+c)*4+1];
-                               out[(row*outWidth+column)*4+2] = indata[(r*in->width+c)*4+2];
-                               out[(row*outWidth+column)*4+3] = 0xff;
-                       }
-               }
-       }
-       else if ( method == BOX_FILTER )
-       {
-               unsigned char intermediate[1024*1024*4];
-
-               assert( in->height <= 1024 );
-               assert( in->width <= 1024 );
-
-               //
-               // filter our M x N source image into a RESAMPLE_WIDTH x N horizontally filtered image
-               //
-               for ( row = 0; row < in->height; row++ )
-               {
-                       BoxFilterRow( &intermediate[row*4*outWidth], in, row, outWidth );
-               }
-
-               //
-               // filter our RESAMPLE_WIDTH x N horizontally filtered image into a RESAMPLE_WIDTH x RESAMPLE_HEIGHT filtered image
-               //
-               for ( column = 0; column < outWidth; column++ )
-               {
-                       BoxFilterColumn( &out[column*4], &intermediate[column*4], column, outWidth, outHeight, s_resample_width );
-               }
-       }
-}
-
-static float BTCDistanceSquared( float a[3], float b[3] )
-{
-       return ( b[0] - a[0] ) * ( b[0] - a[0] ) + 
-                  ( b[1] - a[1] ) * ( b[1] - a[1] ) +
-                  ( b[2] - a[2] ) * ( b[2] - a[2] );
-}
-
-static void BTCFindEndpoints( float inBlock[4][4][3], unsigned int endPoints[2][2] )
-{
-       float longestDistance = -1;
-
-       int bX, bY;
-
-       //
-       // find the two points farthest from each other
-       //
-       for ( bY = 0; bY < 4; bY++ )
-       {
-               for ( bX = 0; bX < 4; bX++ )
-               {
-                       int cX, cY;
-                       float d;
-
-                       //
-                       // check the rest of the current row
-                       //
-                       for ( cX = bX + 1; cX < 4; cX++ )
-                       {
-                               if ( ( d = BTCDistanceSquared( inBlock[bY][bX], inBlock[bY][cX] ) ) > longestDistance )
-                               {
-                                       longestDistance = d;
-                                       endPoints[0][0] = bX;
-                                       endPoints[0][1] = bY;
-                                       endPoints[1][0] = cX;
-                                       endPoints[1][1] = bY;
-                               }
-                       }
-
-                       //
-                       // check remaining rows and columns
-                       //
-                       for ( cY = bY+1; cY < 4; cY++ )
-                       {
-                               for ( cX = 0; cX < 4; cX++ )
-                               {
-                                       if ( ( d = BTCDistanceSquared( inBlock[bY][bX], inBlock[cY][cX] ) ) > longestDistance )
-                                       {
-                                               longestDistance = d;
-                                               endPoints[0][0] = bX;
-                                               endPoints[0][1] = bY;
-                                               endPoints[1][0] = cX;
-                                               endPoints[1][1] = cY;
-                                       }
-                               }
-                       }
-               }
-       }
-}
-
-static float BTCQuantizeBlock( float inBlock[4][4][3], unsigned long endPoints[2][2], int btcQuantizedBlock[4][4], float bestError )
-{
-       int i;
-       int blockY, blockX;
-       float dR, dG, dB;
-       float R, G, B;
-       float error = 0;
-       float colorLine[4][3];
-
-       //
-       // build the color line
-       //
-       dR = inBlock[endPoints[1][1]][endPoints[1][0]][0] -
-                inBlock[endPoints[0][1]][endPoints[0][0]][0];
-       dG = inBlock[endPoints[1][1]][endPoints[1][0]][1] -
-                inBlock[endPoints[0][1]][endPoints[0][0]][1];
-       dB = inBlock[endPoints[1][1]][endPoints[1][0]][2] -
-                inBlock[endPoints[0][1]][endPoints[0][0]][2];
-
-       dR *= 0.33f;
-       dG *= 0.33f;
-       dB *= 0.33f;
-
-       R = inBlock[endPoints[0][1]][endPoints[0][0]][0];
-       G = inBlock[endPoints[0][1]][endPoints[0][0]][1];
-       B = inBlock[endPoints[0][1]][endPoints[0][0]][2];
-
-       for ( i = 0; i < 4; i++ )
-       {
-               colorLine[i][0] = R;
-               colorLine[i][1] = G;
-               colorLine[i][2] = B;
-
-               R += dR;
-               G += dG;
-               B += dB;
-       }
-
-       //
-       // quantize each pixel into the appropriate range
-       //
-       for ( blockY = 0; blockY < 4; blockY++ )
-       {
-               for ( blockX = 0; blockX < 4; blockX++ )
-               {
-                       float distance = 10000000000;
-                       int shortest = -1;
-
-                       for ( i = 0; i < 4; i++ )
-                       {
-                               float d;
-
-                               if ( ( d = BTCDistanceSquared( inBlock[blockY][blockX], colorLine[i] ) ) < distance )
-                               {
-                                       distance = d;
-                                       shortest = i;
-                               }
-                       }
-
-                       error += distance;
-
-                       //
-                       // if bestError is not -1 then that means this is a speculative quantization
-                       //
-                       if ( bestError != -1 )
-                       {
-                               if ( error > bestError )
-                                       return error;
-                       }
-
-                       btcQuantizedBlock[blockY][blockX] = shortest;
-               }
-       }
-
-       return error;
-}
-
-/*
-** float BTCCompressBlock
-*/
-static float BTCCompressBlock( float inBlock[4][4][3], unsigned long out[2] )
-{
-       int i;
-       int btcQuantizedBlock[4][4];    // values should be [0..3]
-       unsigned long encodedEndPoints, encodedBitmap;
-       unsigned int endPoints[2][2];           // endPoints[0] = color start, endPoints[1] = color end
-       int blockY, blockX;
-       float error = 0;
-       float bestError = 10000000000;
-       unsigned int bestEndPoints[2][2];
-
-#if 0
-       //
-       // find the "ideal" end points for the color vector 
-       //
-       BTCFindEndpoints( inBlock, endPoints );
-       error = BTCQuantizeBlock( inBlock, endPoints, btcQuantizedBlock );
-       memcpy( bestEndPoints, endPoints, sizeof( bestEndPoints ) );
-#else
-       for ( blockY = 0; blockY < 4; blockY++ )
-       {
-               for ( blockX = 0; blockX < 4; blockX++ )
-               {
-                       int x2, y2;
-
-                       for ( y2 = 0; y2 < 4; y2++ )
-                       {
-                               for ( x2 = 0; x2 < 4; x2++ )
-                               {
-                                       if ( ( x2 == blockX ) && ( y2 == blockY ) )
-                                               continue;
-
-                                       endPoints[0][0] = blockX;
-                                       endPoints[0][1] = blockY;
-                                       endPoints[1][0] = x2;
-                                       endPoints[1][1] = y2;
-
-                                       error = BTCQuantizeBlock( inBlock, endPoints, btcQuantizedBlock, -1 ); //bestError );
-
-                                       if ( error < bestError )
-                                       {
-                                               bestError = error;
-                                               memcpy( bestEndPoints, endPoints, sizeof( bestEndPoints ) );
-                                       }
-                               }
-                       }
-               }
-       }
-
-       error = BTCQuantizeBlock( inBlock, bestEndPoints, btcQuantizedBlock, -1.0f );
-#endif
-
-       //
-       // encode the results
-       //
-       encodedBitmap = 0;
-       for ( blockY = 0; blockY < 4; blockY++ )
-       {
-               for ( blockX = 0; blockX < 4; blockX++ )
-               {
-                       int shift = ( blockX + blockY * 4 ) * 2;
-                       encodedBitmap |= btcQuantizedBlock[blockY][blockX] << shift;
-               }
-       }
-
-       //
-       // encode endpoints
-       //
-       encodedEndPoints = 0;
-       for ( i = 0; i < 2; i++ )
-       {
-               int iR, iG, iB;
-
-               iR = ( ( int ) inBlock[bestEndPoints[i][1]][bestEndPoints[i][0]][0] );
-               if ( iR > 255 ) 
-                       iR = 255;
-               else if ( iR < 0 ) 
-                       iR = 0;
-               iR >>= 3;
-
-               iG = ( ( int ) inBlock[bestEndPoints[i][1]][bestEndPoints[i][0]][1] );
-               if ( iG > 255 )
-                       iG = 255;
-               else if ( iG < 0 )
-                       iG = 0;
-               iG >>= 2;
-
-               iB = ( ( int ) inBlock[bestEndPoints[i][1]][bestEndPoints[i][0]][2] );
-               if ( iB > 255 )
-                       iB = 255;
-               else if ( iB < 0 )
-                       iB = 0;
-               iB >>= 3;
-
-
-               encodedEndPoints |= ( ( ( iR << 11 ) | ( iG << 5 ) | ( iB ) ) << ( i * 16 ) );
-       }
-
-       //
-       // store 
-       //
-       out[0] = encodedBitmap;
-       out[1] = encodedEndPoints;
-
-       return error;
-}
-
-/*
-** void BTCDecompressFrame
-*/
-static void BTCDecompressFrame( unsigned long *src, unsigned char *dst )
-{
-       int x, y;
-       int iR, iG, iB;
-       int dstX, dstY;
-       float colorStart[3], colorEnd[3];
-       unsigned char colorRampABGR[4][4];
-       unsigned encoded;
-
-       memset( colorRampABGR, 0xff, sizeof( colorRampABGR ) );
-
-       for ( y = 0; y < s_resample_height / 4; y++ )
-       {
-               for ( x = 0; x < s_resample_width / 4; x++ )
-               {
-                       unsigned colorStartPacked = src[(y*s_resample_width/4 + x)*2 + 1] & 0xffff;
-                       unsigned colorEndPacked = src[(y*s_resample_width/4 + x)*2 + 1] >> 16;
-
-                       //
-                       // grab the end points
-                       //   0 = color start
-                       //   1 = color end
-                       //
-                       iR = ( ( colorStartPacked >> 11 ) & ( ( 1 << 5 ) - 1 ) );
-                       iR = ( iR << 3 ) | ( iR >> 2 );
-                       iG = ( ( colorStartPacked >> 5 ) & ( ( 1 << 6 )  - 1 ) );
-                       iG = ( iG << 2 ) | ( iG >> 4 );
-                       iB = ( ( colorStartPacked ) & ( ( 1 << 5  ) - 1 ) );
-                       iB = ( iB << 3 ) | ( iB >> 2 );
-
-                       colorStart[0] = iR;
-                       colorStart[1] = iG;
-                       colorStart[2] = iB;
-                       colorRampABGR[0][0] = iR;
-                       colorRampABGR[0][1] = iG;
-                       colorRampABGR[0][2] = iB;
-
-                       iR = ( ( colorEndPacked >> 11 ) & ( ( 1 << 5 ) - 1 ) );
-                       iR = ( iR << 3 ) | ( iR >> 2 );
-                       iG = ( ( colorEndPacked >> 5 ) & ( ( 1 << 6 )  - 1 ) );
-                       iG = ( iG << 2 ) | ( iG >> 4 );
-                       iB = ( colorEndPacked & ( ( 1 << 5  ) - 1 ) );
-                       iB = ( iB << 3 ) | ( iB >> 2 );
-
-                       colorEnd[0] = iR;
-                       colorEnd[1] = iG;
-                       colorEnd[2] = iB;
-                       colorRampABGR[3][0] = iR;
-                       colorRampABGR[3][1] = iG;
-                       colorRampABGR[3][2] = iB;
-                       
-                       //
-                       // compute this block's color ramp
-                       // FIXME: This needs to be reversed on big-endian machines
-                       //
-                       
-                       colorRampABGR[1][0] = colorStart[0] * 0.66f + colorEnd[0] * 0.33f;
-                       colorRampABGR[1][1] = colorStart[1] * 0.66f + colorEnd[1] * 0.33f;
-                       colorRampABGR[1][2] = colorStart[2] * 0.66f + colorEnd[2] * 0.33f;
-
-                       colorRampABGR[2][0] = colorStart[0] * 0.33f + colorEnd[0] * 0.66f;
-                       colorRampABGR[2][1] = colorStart[1] * 0.33f + colorEnd[1] * 0.66f;
-                       colorRampABGR[2][2] = colorStart[2] * 0.33f + colorEnd[2] * 0.66f;
-
-                       //
-                       // decode the color data
-                       // information is encoded in 2-bit pixels, with low order bits corresponding
-                       // to upper left pixels.  These 2-bit values are indexed into the block's
-                       // computer color ramp.
-                       //
-                       encoded = src[(y*s_resample_width/4 + x)*2 + 0];
-
-                       for ( dstY = 0; dstY < 4; dstY++ )
-                       {
-                               for ( dstX = 0; dstX < 4; dstX++ )
-                               {
-                                       memcpy( &dst[(y*4+dstY)*s_resample_width*4+x*4*4+dstX*4], colorRampABGR[encoded&3], sizeof( colorRampABGR[0] ) );
-                                       encoded >>= 2;
-                               }
-                       }
-               }
-       }
-}
-
-/*
-** BTCCompressFrame
-**
-** Perform a BTC compression using a 2-bit encoding at each pixel.  This
-** compression method is performed by decomposing the incoming image into
-** a sequence of 4x4 blocks.  At each block two color values are computed
-** that define the endpoints of a vector in color space that represent
-** the two colors "farthest apart".
-*/
-static float BTCCompressFrame( unsigned char *src, unsigned long *dst )
-{
-       int x, y;
-       int bX, bY;
-       float btcBlock[4][4][3];
-
-       float error = 0;
-       
-       for ( y = 0; y < s_resample_height / 4; y++ )
-       {
-               for ( x = 0; x < s_resample_width / 4; x++ )
-               {
-                       //
-                       // fill in the BTC block with raw values
-                       //
-                       for ( bY = 0; bY < 4; bY++ )
-                       {
-                               for ( bX = 0; bX < 4; bX++ )
-                               {
-                                       btcBlock[bY][bX][0] = src[(y*4+bY)*s_resample_width*4 + (x*4+bX)*4 + 0];
-                                       btcBlock[bY][bX][1] = src[(y*4+bY)*s_resample_width*4 + (x*4+bX)*4 + 1];
-                                       btcBlock[bY][bX][2] = src[(y*4+bY)*s_resample_width*4 + (x*4+bX)*4 + 2];
-                               }
-                       }
-
-                       error += BTCCompressBlock( btcBlock, &dst[(y*s_resample_width/4+x)*2] );
-               }
-       }
-
-       return error / ( ( s_resample_width / 4 ) * ( s_resample_height / 4 ) );
-}
-
-/*
-===================
-LoadFrame
-===================
-*/
-cblock_t LoadFrame (char *base, int frame, int digits, byte **palette)
-{
-       int                     ten3, ten2, ten1, ten0;
-       cblock_t        in;
-       int                     width, height;
-       char            name[1024];
-       FILE            *f;
-
-       in.data = NULL;
-       in.count = -1;
-
-       ten3 = frame/1000;
-       ten2 = (frame-ten3*1000)/100;
-       ten1 = (frame-ten3*1000-ten2*100)/10;
-       ten0 = frame%10;
-
-       if (digits == 4)
-               sprintf (name, "%svideo/%s/%s%i%i%i%i.tga", gamedir, base, base, ten3, ten2, ten1, ten0);
-       else
-               sprintf (name, "%svideo/%s/%s%i%i%i.tga", gamedir, base, base, ten2, ten1, ten0);
-
-       f = fopen(name, "rb");
-       if (!f)
-       {
-               in.data = NULL;
-               return in;
-       }
-       fclose (f);
-
-       printf ("%s", name);
-       LoadTGA( name, ( unsigned char ** ) &in.data, &width, &height );
-       if ( palette )
-               *palette = 0;
-//     Load256Image (name, &in.data, palette, &width, &height);
-       in.count = width*height;
-       in.width = width;
-       in.height = height;
-// FIXME: map 0 and 255!
-
-#if 0
-       // rle compress
-       rle = RLE(in);
-       free (in.data);
-
-       return rle;
-#endif
-
-       return in;
-}
-
-/*
-===============
-Cmd_Video
-
-video <directory> <framedigits>
-===============
-*/
-void Cmd_Video (void)
-{
-       float sumError = 0, error = 0, maxError = 0;
-       char    savename[1024];
-       char    name[1024];
-       FILE    *output;
-       int             startframe, frame;
-       int             width, height;
-       int             i;
-       int             digits;
-       int             minutes;
-       float   fseconds;
-       int             remSeconds;
-       cblock_t        in;
-       unsigned char *resampled;
-       unsigned long *compressed;
-       clock_t start, stop;
-
-       GetToken (qfalse);
-       strcpy (s_base, token);
-       if (g_release)
-       {
-//             sprintf (savename, "video/%s.cin", token);
-//             ReleaseFile (savename);
-               return;
-       }
-
-       GetToken( qfalse );
-       strcpy( s_output_base, token );
-
-       GetToken (qfalse);
-       digits = atoi(token);
-
-       GetToken( qfalse );
-
-       if ( !strcmp( token, "btc" ) )
-       {
-               s_compression_method = BTC_COMPRESSION;
-               printf( "Compression: BTC\n" );
-       }
-       else if ( !strcmp( token, "uc" ) )
-       {
-               s_compression_method = UNCOMPRESSED;
-               printf( "Compression: none\n" );
-       }
-       else
-       {
-               Error( "Uknown compression method '%s'\n", token );
-       }
-
-       GetToken( qfalse );
-       s_resample_width = atoi( token );
-
-       GetToken( qfalse );
-       s_resample_height = atoi( token );
-
-       resampled = malloc( sizeof( unsigned char ) * 4 * s_resample_width * s_resample_height );
-       compressed = malloc( sizeof( long ) * 2 * ( s_resample_width / 4 ) * ( s_resample_height / 4 ) );
-
-       printf( "Resample width: %d\n", s_resample_width );
-       printf( "Resample height: %d\n", s_resample_height );
-
-       // optionally skip frames
-       if (TokenAvailable ())
-       {
-               GetToken (qfalse);
-               startframe = atoi(token);
-       }
-       else
-               startframe=0;
-
-       sprintf (savename, "%svideo/%s.%s", writedir, s_output_base, CIN_EXTENSION );
-
-       // load the entire sound wav file if present
-       LoadSoundtrack ();
-
-       if (digits == 4)
-               sprintf (name, "%svideo/%s/%s0000.tga", gamedir, s_base, s_base);
-       else
-               sprintf (name, "%svideo/%s/%s000.tga", gamedir, s_base, s_base);
-
-       printf ("%s\n", name);
-       LoadTGA( name, NULL, &width, &height);
-
-       output = fopen (savename, "wb");
-       if (!output)
-               Error ("Can't open %s", savename);
-
-       // write header info
-       i = LittleLong( CIN_SIGNATURE );
-       fwrite (&i, 4, 1, output );
-       i = LittleLong (s_resample_width);
-       fwrite (&i, 4, 1, output);
-       i = LittleLong (s_resample_height);
-       fwrite (&i, 4, 1, output);
-       i = LittleLong (s_wavinfo.rate);
-       fwrite (&i, 4, 1, output);
-       i = LittleLong (s_wavinfo.width);
-       fwrite (&i, 4, 1, output);
-       i = LittleLong (s_wavinfo.channels);
-       fwrite (&i, 4, 1, output);
-       i = LittleLong ( s_compression_method );
-       fwrite (&i, 4, 1, output );
-
-       start = clock();
-
-       // perform compression on a per frame basis
-       for ( frame=startframe ;  ; frame++)
-       {
-               printf ("%02d: ", frame);
-               in = LoadFrame (s_base, frame, digits, 0 );
-               if (!in.data)
-                       break;
-
-               ResampleFrame( &in, ( unsigned char * ) resampled, BOX_FILTER, s_resample_width, s_resample_height );
-
-               if ( s_compression_method == UNCOMPRESSED )
-               {
-                       printf( "\n" );
-                       fwrite( resampled, 1, sizeof( unsigned char ) * s_resample_width * s_resample_height * 4, output );
-
-#if OUTPUT_TGAS
-                       {
-                               int x, y;
-                               char buffer[1000];
-
-                               for ( y = 0; y < s_resample_height/2; y++ )
-                               {
-                                       for ( x = 0; x < s_resample_width; x++ )
-                                       {
-                                               unsigned char tmp[4];
-
-                                               tmp[0] = resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 0];
-                                               tmp[1] = resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 1];
-                                               tmp[2] = resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 2];
-                                               tmp[3] = resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 3];
-
-                                               resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 0] = resampled[y*s_resample_width*4 + x*4 + 0];
-                                               resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 1] = resampled[y*s_resample_width*4 + x*4 + 1];
-                                               resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 2] = resampled[y*s_resample_width*4 + x*4 + 2];
-                                               resampled[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 3] = resampled[y*s_resample_width*4 + x*4 + 3];
-
-                                               resampled[y*s_resample_width*4 + x*4 + 0] = tmp[0];
-                                               resampled[y*s_resample_width*4 + x*4 + 1] = tmp[1];
-                                               resampled[y*s_resample_width*4 + x*4 + 2] = tmp[2];
-                                               resampled[y*s_resample_width*4 + x*4 + 3] = tmp[3];
-                                       }
-                               }
-
-                               sprintf( buffer, "%svideo/%s/uc%04d.tga", gamedir, s_base, frame );
-                               WriteTGA( buffer, resampled, s_resample_width, s_resample_height );
-                       }
-#endif
-               }
-               else if ( s_compression_method == BTC_COMPRESSION )
-               {
-                       error = BTCCompressFrame( resampled, compressed );
-
-                       sumError += error;
-
-                       if ( error > maxError ) 
-                               maxError = error;
-
-                       printf( " (error = %f)\n", error );
-                       fwrite( compressed, 1, 2 * sizeof( long ) * ( s_resample_width / 4 ) * ( s_resample_height / 4 ), output );
-
-#if OUTPUT_TGAS
-                       {
-                               int x, y;
-                               unsigned char *uncompressed;
-                               char buffer[1000];
-
-                               uncompressed = malloc( sizeof( unsigned char ) * 4 * s_resample_width * s_resample_height );
-                               BTCDecompressFrame( compressed, uncompressed );
-
-                               for ( y = 0; y < s_resample_height/2; y++ )
-                               {
-                                       for ( x = 0; x < s_resample_width; x++ )
-                                       {
-                                               unsigned char tmp[4];
-
-                                               tmp[0] = uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 0];
-                                               tmp[1] = uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 1];
-                                               tmp[2] = uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 2];
-                                               tmp[3] = uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 3];
-
-                                               uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 0] = uncompressed[y*s_resample_width*4 + x*4 + 0];
-                                               uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 1] = uncompressed[y*s_resample_width*4 + x*4 + 1];
-                                               uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 2] = uncompressed[y*s_resample_width*4 + x*4 + 2];
-                                               uncompressed[(s_resample_height-1-y)*s_resample_width*4 + x*4 + 3] = uncompressed[y*s_resample_width*4 + x*4 + 3];
-
-                                               uncompressed[y*s_resample_width*4 + x*4 + 0] = tmp[0];
-                                               uncompressed[y*s_resample_width*4 + x*4 + 1] = tmp[1];
-                                               uncompressed[y*s_resample_width*4 + x*4 + 2] = tmp[2];
-                                               uncompressed[y*s_resample_width*4 + x*4 + 3] = tmp[3];
-                                       }
-                               }
-
-
-                               sprintf( buffer, "%svideo/%s/btc%04d.tga", gamedir, s_base, frame );
-                               WriteTGA( buffer, uncompressed, s_resample_width, s_resample_height );
-
-                               free( uncompressed );
-                       }
-#endif
-               }
-
-               WriteSound( output, frame );
-
-               free (in.data);
-       }
-       stop = clock();
-
-       printf ("\n");
-
-       printf ("Total size: %i\n", ftell( output ) );
-       printf ("Average error: %f\n", sumError / ( frame - startframe ) );
-       printf ("Max error: %f\n", maxError );
-
-       fseconds = ( stop - start ) / 1000.0f;
-       minutes = fseconds / 60;
-       remSeconds = fseconds - minutes * 60;
-
-       printf ("Total time: %d s (%d m %d s)\n", ( int ) fseconds, minutes, remSeconds );
-       printf ("Time/frame: %.2f seconds\n", fseconds / ( frame - startframe ) );
-
-       fclose (output);
-
-       if ( s_soundtrack )
-       {
-               free( s_soundtrack );
-               s_soundtrack = 0;
-       }
-}