TOOLS/vivodump.c

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License along
  13  * with this program; if not, write to the Free Software Foundation, Inc.,
  14  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  15  */
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <inttypes.h>
  21
  22 #include "loader/wine/mmreg.h"
  23 #include "loader/wine/vfw.h"
  24
  25 #include "stream/stream.h"
  26 #include "libmpdemux/muxer.h"
  27 #include "libmpdemux/demuxer.h"
  28
  29 /* linking hacks */
  30 char *info_name;
  31 char *info_artist;
  32 char *info_genre;
  33 char *info_subject;
  34 char *info_copyright;
  35 char *info_sourceform;
  36 char *info_comment;
  37
  38 char* out_filename = NULL;
  39 char* force_fourcc=NULL;
  40 char* passtmpfile="divx2pass.log";
  41
  42 static const short h263_format[8][2] = {
  43     { 0, 0 },
  44     { 128, 96 },
  45     { 176, 144 },
  46     { 352, 288 },
  47     { 704, 576 },
  48     { 1408, 1152 },
  49     { 320, 240 }
  50 };
  51
  52 unsigned char* buffer;
  53 int bufptr=0;
  54 int bitcnt=0;
  55 unsigned char buf=0;
  56
  57 static unsigned int x_get_bits(int n){
  58     unsigned int x=0;
  59     while(n-->0){
  60         if(!bitcnt){
  61             // fill buff
  62             buf=buffer[bufptr++];
  63             bitcnt=8;
  64         }
  65         //x=(x<<1)|(buf&1);buf>>=1;
  66         x=(x<<1)|(buf>>7);buf<<=1;
  67         --bitcnt;
  68     }
  69     return x;
  70 }
  71
  72 #define get_bits(xxx,n) x_get_bits(n)
  73 #define get_bits1(xxx) x_get_bits(1)
  74 #define skip_bits(xxx,n) x_get_bits(n)
  75 #define skip_bits1(xxx) x_get_bits(1)
  76
  77 int format;
  78 int width=320;
  79 int height=240;
  80
  81 /* most is hardcoded. should extend to handle all h263 streams */
  82 static int h263_decode_picture_header(unsigned char *b_ptr)
  83 {
  84     int i;
  85
  86     for(i=0;i<16;i++) printf(" %02X",b_ptr[i]); printf("\n");
  87
  88     buffer=b_ptr;
  89     bufptr=bitcnt=buf=0;
  90
  91     /* picture header */
  92     if (get_bits(&s->gb, 22) != 0x20){
  93         printf("bad picture header\n");
  94         return -1;
  95     }
  96     skip_bits(&s->gb, 8); /* picture timestamp */
  97
  98     if (get_bits1(&s->gb) != 1){
  99         printf("bad marker\n");
 100         return -1;      /* marker */
 101     }
 102     if (get_bits1(&s->gb) != 0){
 103         printf("bad h263 id\n");
 104         return -1;      /* h263 id */
 105     }
 106     skip_bits1(&s->gb); /* split screen off */
 107     skip_bits1(&s->gb); /* camera  off */
 108     skip_bits1(&s->gb); /* freeze picture release off */
 109
 110     format = get_bits(&s->gb, 3);
 111
 112     if (format != 7) {
 113         printf("h263_plus = 0  format = %d\n",format);
 114         /* H.263v1 */
 115         width = h263_format[format][0];
 116         height = h263_format[format][1];
 117         printf("%d x %d\n",width,height);
 118 //        if (!width) return -1;
 119
 120         printf("pict_type=%d\n",get_bits1(&s->gb));
 121         printf("unrestricted_mv=%d\n",get_bits1(&s->gb));
 122 #if 1
 123         printf("SAC: %d\n",get_bits1(&s->gb));
 124         printf("advanced prediction mode: %d\n",get_bits1(&s->gb));
 125         printf("PB frame: %d\n",get_bits1(&s->gb));
 126 #else
 127         if (get_bits1(&s->gb) != 0)
 128             return -1;  /* SAC: off */
 129         if (get_bits1(&s->gb) != 0)
 130             return -1;  /* advanced prediction mode: off */
 131         if (get_bits1(&s->gb) != 0)
 132             return -1;  /* not PB frame */
 133 #endif
 134         printf("qscale=%d\n",get_bits(&s->gb, 5));
 135         skip_bits1(&s->gb);     /* Continuous Presence Multipoint mode: off */
 136     } else {
 137         printf("h263_plus = 1\n");
 138         /* H.263v2 */
 139         if (get_bits(&s->gb, 3) != 1){
 140             printf("H.263v2 A error\n");
 141             return -1;
 142         }
 143         if (get_bits(&s->gb, 3) != 6){ /* custom source format */
 144             printf("custom source format\n");
 145             return -1;
 146         }
 147         skip_bits(&s->gb, 12);
 148         skip_bits(&s->gb, 3);
 149         printf("pict_type=%d\n",get_bits(&s->gb, 3) + 1);
 150 //        if (s->pict_type != I_TYPE &&
 151 //            s->pict_type != P_TYPE)
 152 //            return -1;
 153         skip_bits(&s->gb, 7);
 154         skip_bits(&s->gb, 4); /* aspect ratio */
 155         width = (get_bits(&s->gb, 9) + 1) * 4;
 156         skip_bits1(&s->gb);
 157         height = get_bits(&s->gb, 9) * 4;
 158         printf("%d x %d\n",width,height);
 159         //if (height == 0)
 160         //    return -1;
 161         printf("qscale=%d\n",get_bits(&s->gb, 5));
 162     }
 163
 164     /* PEI */
 165     while (get_bits1(&s->gb) != 0) {
 166         skip_bits(&s->gb, 8);
 167     }
 168 //    s->f_code = 1;
 169 //    s->width = width;
 170 //    s->height = height;
 171     return 0;
 172 }
 173
 174 int postable[32768];
 175
 176 int main(int argc,char ** argv){
 177 int c;
 178 FILE *f;
 179 FILE *f2;
 180 muxer_t* avi;
 181 muxer_stream_t* mux;
 182 //unsigned char* buffer=malloc(0x200000);
 183 int i,len;
 184 int v_id=0;
 185 int flag2=0;
 186 int prefix=0;
 187
 188 // check if enough args were given
 189 if ( argc < 3 ){
 190     printf("Too few arguments given!\n"
 191            "Usage: %s <input_file> <output_file>\n", argv[0]);
 192
 193     return -1;
 194 }
 195 // input
 196 if(!(f=fopen(argv[1],"rb"))){
 197        printf("Couldn't open input file.\n");
 198        return -1;
 199 }
 200 // output
 201 if(!(f2=fopen(argv[2],"wb"))){
 202        printf("Couldn't open output file.\n");
 203        return -1;
 204 }
 205
 206 avi=muxer_new_muxer(MUXER_TYPE_AVI,f2);
 207 mux=muxer_new_stream(avi,MUXER_TYPE_VIDEO);
 208
 209 mux->buffer_size=0x200000;
 210 mux->buffer=malloc(mux->buffer_size);
 211
 212 mux->h.dwScale=1;
 213 mux->h.dwRate=10;
 214
 215 mux->bih=malloc(sizeof(*mux->bih));
 216 mux->bih->biSize=sizeof(*mux->bih);
 217 mux->bih->biPlanes=1;
 218 mux->bih->biBitCount=24;
 219 mux->bih->biCompression=0x6f766976;//      7669766f;
 220 muxer_write_header(avi);
 221
 222 /*
 223 c=fgetc(f); if(c) printf("error! not vivo file?\n");
 224 len=0;
 225 while((c=fgetc(f))>=0x80) len+=0x80*(c&0x0F);
 226 len+=c;
 227 printf("hdr1: %d\n",len);
 228 for(i=0;i<len;i++) fgetc(f);
 229 */
 230
 231 while((c=fgetc(f))>=0){
 232
 233     printf("%08lX  %02X\n",ftell(f),c);
 234
 235     prefix=0;
 236     if(c==0x82){
 237         prefix=1;
 238         //continue;
 239         c=fgetc(f);
 240         printf("%08lX  %02X\n",ftell(f),c);
 241     }
 242
 243     if(c==0x00){
 244         // header
 245         int len=0;
 246         while((c=fgetc(f))>=0x80) len+=0x80*(c&0x0F);
 247         len+=c;
 248         printf("header: 00 (%d)\n",len);
 249         for(i=0;i<len;i++) fgetc(f);
 250         continue;
 251     }
 252
 253     if((c&0xF0)==0x40){
 254         // audio
 255         len=24;
 256         if(prefix) len=fgetc(f);
 257         printf("audio: %02X (%d)\n",c,len);
 258         for(i=0;i<len;i++) fgetc(f);
 259         continue;
 260     }
 261     if((c&0xF0)==0x30){
 262         // audio
 263         len=40;
 264         if(prefix) len=fgetc(f);
 265         printf("audio: %02X (%d)\n",c,len);
 266         for(i=0;i<len;i++) fgetc(f);
 267         continue;
 268     }
 269     if(flag2 || (((c&0xF0)==0x10 || (c&0xF0)==0x20) && (c&0x0F)!=(v_id&0xF))){
 270         // end of frame:
 271         printf("Frame size: %d\n",mux->buffer_len);
 272         h263_decode_picture_header(mux->buffer);
 273         muxer_write_chunk(mux,mux->buffer_len,0x10, MP_NOPTS_VALUE, MP_NOPTS_VALUE);
 274         mux->buffer_len=0;
 275
 276         if((v_id&0xF0)==0x10) fprintf(stderr,"hmm. last video packet %02X\n",v_id);
 277     }
 278     flag2=0;
 279     if((c&0xF0)==0x10){
 280         // 128 byte
 281         len=128;
 282         if(prefix) len=fgetc(f);
 283         printf("video: %02X (%d)\n",c,len);
 284         fread(mux->buffer+mux->buffer_len,len,1,f);
 285         mux->buffer_len+=len;
 286     v_id=c;
 287         continue;
 288     }
 289     if((c&0xF0)==0x20){
 290         int len=fgetc(f);
 291         printf("video: %02X (%d)\n",c,len);
 292         fread(mux->buffer+mux->buffer_len,len,1,f);
 293         mux->buffer_len+=len;
 294         flag2=1;
 295     v_id=c;
 296         continue;
 297     }
 298     printf("error: %02X!\n",c);
 299     exit(1);
 300 }
 301
 302 if(!width) width=320;
 303 if(!height) height=240;
 304
 305 mux->bih->biWidth=width;
 306 mux->bih->biHeight=height;
 307 mux->bih->biSizeImage=3*width*height;
 308
 309 muxer_write_index(avi);
 310 fseek(f2,0,SEEK_SET);
 311 muxer_write_header(avi);
 312
 313 return 0;
 314 }