avi2swf/avi2swf.cc

   1 /* avi2swf.cc
   2    Convert avi movie files into swf.
   3
   4    Part of the swftools package.
   5
   6    Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <fcntl.h>
  26
  27 #include "../config.h"
  28
  29 #include "../lib/args.h"
  30 #include "v2swf.h"
  31 #ifdef WIN32
  32 #include "videoreader_vfw.hh"
  33 #else
  34 #include "videoreader_avifile.hh"
  35 #endif
  36
  37 static char * filename = 0;
  38 static char * outputfilename = "output.swf";
  39 int verbose = 0;
  40
  41 static int quality = 80;
  42 static double scale = 1.0;
  43 static int flip = 0;
  44 static int expensive = 0;
  45 static int flashversion = 6;
  46 static int keyframe_interval = -1;
  47 static int skip = 0;
  48 static float audio_adjust = 0;
  49 static int mp3_bitrate = 32;
  50 static int samplerate = 11025;
  51 static int numframes = 0;
  52 static char* skipframes = 0;
  53
  54 static struct options_t options[] = {
  55 {"h", "help"},
  56 {"o", "output"},
  57 {"A", "adjust"},
  58 {"n", "num"},
  59 {"m", "mp3-bitrate"},
  60 {"r", "mp3-samplerate"},
  61 {"s", "scale"},
  62 {"S", "skipframes"},
  63 {"p", "flip"},
  64 {"q", "quality"},
  65 {"k", "keyframe"},
  66 {"x", "extragood"},
  67 {"T", "flashversion"},
  68 {"V", "version"},
  69 {0,0}
  70 };
  71
  72 int args_callback_option(char*name,char*val)
  73 {
  74     if(!strcmp(name, "V")) {
  75         printf("avi2swf-ng - part of %s %s\n", PACKAGE, VERSION);
  76         exit(0);
  77     }
  78     else if(!strcmp(name, "o")) {
  79         outputfilename = val;
  80         return 1;
  81     }
  82     else if(!strcmp(name, "n")) {
  83         numframes = atoi(val);
  84         return 1;
  85     }
  86     else if(!strcmp(name, "d")) {
  87         scale = atof(val);
  88         return 1;
  89     }
  90     else if(!strcmp(name, "q")) {
  91         quality = atoi(val);
  92         if(quality<0)
  93             quality = 0;
  94         if(quality>100)
  95             quality = 100;
  96         return 1;
  97     }
  98     else if(!strcmp(name, "p")) {
  99         flip = 1;
 100         return 0;
 101     }
 102     else if(!strcmp(name, "k")) {
 103         keyframe_interval = atoi(val);
 104         return 1;
 105     }
 106     else if(!strcmp(name, "A")) {
 107         audio_adjust = atof(val);
 108         return 1;
 109     }
 110     else if(!strcmp(name, "v")) {
 111         verbose = 1;
 112         return 0;
 113     }
 114     else if(!strcmp(name, "T")) {
 115         flashversion = atoi(val);
 116         return 1;
 117     }
 118     else if(!strcmp(name, "x")) {
 119         expensive = 1;
 120         return 0;
 121     }
 122     else if(!strcmp(name, "m")) {
 123         mp3_bitrate = atoi(val);
 124         return 1;
 125     }
 126     else if(!strcmp(name, "r")) {
 127         samplerate = atoi(val);
 128         if(samplerate >= 11000 && samplerate <= 12000)
 129             samplerate = 11025;
 130         else if(samplerate >= 22000 && samplerate <= 23000)
 131             samplerate = 22050;
 132         else if(samplerate >= 44000 && samplerate <= 45000)
 133             samplerate = 44100;
 134         else {
 135             fprintf(stderr, "Invalid samplerate: %d\n", samplerate);
 136             fprintf(stderr, "Allowed values: 11025, 22050, 44100\n", samplerate);
 137             exit(1);
 138         }
 139         return 1;
 140     }
 141     else if(!strcmp(name, "S")) {
 142         skip = atoi(val);
 143         return 1;
 144     }
 145     else if(!strcmp(name, "C")) {
 146         skipframes = strdup(val);
 147         return 1;
 148     }
 149     else if(!strcmp(name, "s")) {
 150         scale = atoi(val)/100.0;
 151         if(scale>1.0 || scale<=0) {
 152             fprintf(stderr, "Scale must be in the range 1-100!\n");
 153             exit(1);
 154         }
 155         return 1;
 156     }
 157     fprintf(stderr, "Unknown option: -%s\n", name);
 158     exit(1);
 159 }
 160 int args_callback_longoption(char*name,char*val)
 161 {
 162     return args_long2shortoption(options, name, val);
 163 }
 164 void args_callback_usage(char *name)
 165 {
 166     printf("\n");
 167     printf("Usage: %s file.avi [-o output.swf]\n", name);
 168     printf("\n");
 169     printf("-h , --help                    Print help and exit\n");
 170     printf("-o , --output filename         Specify output filename\n");
 171     printf("-A , --adjust seconds          Audio adjust: Shift sound -seconds to the future or +seconds into the past.\n");
 172     printf("-n , --num frames              Number of frames to encode\n");
 173     printf("-m , --mp3-bitrate <kbps>      Set the mp3 bitrate to encode audio with\n");
 174     printf("-r , --mp3-samplerate <hz>     Set the mp3 samplerate to encode audio with (default: 11025)\n");
 175     printf("-s , --scale <val>             Scale down to factor <val>. (in %, e.g. 100 = original size)\n");
 176     printf("-S , --skipframes <num>        Skip <num> frames before starting the conversion.\n");
 177     printf("-p , --flip                    Turn movie upside down\n");
 178     printf("-q , --quality <val>           Set the quality to <val>. (0-100, 0=worst, 100=best, default:80)\n");
 179     printf("-k , --keyframe                Set the number of intermediate frames between keyframes.\n");
 180     printf("-x , --extragood               Enable some *very* expensive compression strategies.\n");
 181     printf("-T , --flashversion <n>        Set output flash version to <n>.\n");
 182     printf("-V , --version                 Print program version and exit\n");
 183     printf("\n");
 184 }
 185 int args_callback_command(char*name,char*val)
 186 {
 187     if(filename) {
 188         fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
 189                  filename, name);
 190     }
 191     filename = name;
 192     return 0;
 193 }
 194
 195 static char toabuf[128];
 196 static char*ftoa(double a)
 197 {
 198     sprintf(toabuf, "%f", a);
 199     return toabuf;
 200 }
 201 static char*itoa(int a)
 202 {
 203     sprintf(toabuf, "%d", a);
 204     return toabuf;
 205 }
 206
 207 #ifdef DO_SIGNALS
 208 pthread_t main_thread;
 209 static void sigterm(int sig)
 210 {
 211     if(pthread_equal (pthread_self(), main_thread))
 212     {
 213         if(frameno>0 && !shutdown_avi2swf) {
 214             if(verbose)
 215                 printf("Thread [%08x] got sigterm %d\n", pthread_self(), sig);
 216             shutdown_avi2swf++;
 217         } else {
 218             exit(1);
 219         }
 220     }
 221 }
 222 #endif
 223
 224 int main (int argc,char ** argv)
 225 {
 226     videoreader_t video;
 227     v2swf_t v2swf;
 228     int ret;
 229     FILE*fi;
 230
 231 #ifdef DO_SIGNALS
 232     signal(SIGTERM, sigterm);
 233     signal(SIGINT , sigterm);
 234     signal(SIGQUIT, sigterm);
 235     main_thread = pthread_self();
 236 #endif
 237
 238     processargs(argc, argv);
 239     if(!filename) {
 240         fprintf(stderr, "You must supply a filename");
 241         exit(0);
 242     }
 243     if(keyframe_interval<0) {
 244         if(flashversion>=6)
 245             keyframe_interval=20;
 246         else
 247             keyframe_interval=5;
 248     }
 249
 250     fi = fopen(outputfilename, "wb");
 251     if(!fi) {
 252         fflush(stdout); fflush(stderr);
 253         fprintf(stderr, "Couldn't open %s\n", outputfilename);
 254         exit(1);
 255     }
 256
 257 #ifdef WIN32
 258     ret = videoreader_vfw_open(&video, filename);
 259 #else
 260     ret = videoreader_avifile_open(&video, filename);
 261 #endif
 262
 263     if(ret<0) {
 264         fprintf(stderr, "Error opening %s\n", filename);
 265         exit(1);
 266     }
 267
 268     if(verbose) {
 269         printf("| video framerate: %f\n", video.fps);
 270         printf("| video size: %dx%d\n", video.width, video.height);
 271         printf("| audio rate: %d\n", video.samplerate);
 272         printf("| audio channels: %d\n", video.channels);
 273     }
 274
 275     ret = v2swf_init(&v2swf, &video);
 276     if(verbose)
 277         v2swf_setparameter(&v2swf, "verbose", "1");
 278     if(numframes)
 279         v2swf_setparameter(&v2swf, "numframes", itoa(numframes));
 280     v2swf_setparameter(&v2swf, "quality", itoa(quality));
 281     v2swf_setparameter(&v2swf, "blockdiff", "0");
 282     v2swf_setparameter(&v2swf, "blockdiff_mode", "exact");
 283     v2swf_setparameter(&v2swf, "mp3_bitrate", itoa(mp3_bitrate));
 284     v2swf_setparameter(&v2swf, "samplerate", itoa(samplerate));
 285     //v2swf_setparameter(&v2swf, "fixheader", "1");
 286     //v2swf_setparameter(&v2swf, "framerate", "15");
 287     v2swf_setparameter(&v2swf, "scale", ftoa(scale));
 288     v2swf_setparameter(&v2swf, "prescale", "1");
 289     v2swf_setparameter(&v2swf, "flash_version", itoa(flashversion));
 290     v2swf_setparameter(&v2swf, "keyframe_interval", itoa(keyframe_interval));
 291     if(skipframes)
 292         v2swf_setparameter(&v2swf, "skipframes", skipframes);
 293     if(expensive)
 294         v2swf_setparameter(&v2swf, "motioncompensation", "1");
 295     if(flip)
 296         video.setparameter(&video, "flip", "1");
 297     if(verbose)
 298         video.setparameter(&video, "verbose", "1");
 299
 300     if(!verbose)
 301         printf("\n");
 302
 303     if(audio_adjust>0) {
 304         int num = ((int)(audio_adjust*video.samplerate))*video.channels*2;
 305         void*buf = malloc(num);
 306         video.getsamples(&video, buf, num);
 307         free(buf);
 308     } else if(audio_adjust<0) {
 309         int num = (int)(-audio_adjust*video.fps);
 310         void*buf = malloc(video.width*video.height*4);
 311         int t;
 312         for(t=0;t<num;t++) {
 313             video.getimage(&video, buf);
 314         }
 315         free(buf);
 316     }
 317
 318     if(skip) {
 319         int t;
 320         void*buf = malloc(video.width*video.height*4);
 321         for(t=0;t<skip;t++) {
 322             video.getimage(&video, buf);
 323             video.getsamples(&video, buf, (int)((video.samplerate/video.fps)*video.channels*2));
 324             if(!verbose) {
 325                 printf("\rSkipping frame %d", video.frame);fflush(stdout);
 326             }
 327         }
 328         free(buf);
 329     }
 330
 331     char buffer[4096];
 332     while(1) {
 333         int l=v2swf_read(&v2swf, buffer, 4096);
 334         fwrite(buffer, l, 1, fi);
 335         if(!l)
 336             break;
 337         if(!verbose) {
 338             printf("\rConverting frame %d", video.frame);fflush(stdout);
 339         }
 340     }
 341     if(!verbose)
 342         printf("\n");
 343     fclose(fi);
 344     v2swf_backpatch(&v2swf, outputfilename);
 345     v2swf_close(&v2swf);
 346 }
 347