tools/dump.c

   1 /* Swfdec
   2  * Copyright (C) 2003-2006 David Schleef <ds@schleef.org>
   3  *               2005-2006 Eric Anholt <eric@anholt.net>
   4  *               2006-2007 Benjamin Otte <otte@gnome.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25 #include <stdio.h>
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #include <stdlib.h>
  29 #include <sys/stat.h>
  30 #include <glib.h>
  31 #include <glib-object.h>
  32 #include <swfdec/swfdec.h>
  33 #include <swfdec/swfdec_audio_decoder.h>
  34 #include <swfdec/swfdec_button.h>
  35 #include <swfdec/swfdec_text_field.h>
  36 #include <swfdec/swfdec_font.h>
  37 #include <swfdec/swfdec_image.h>
  38 #include <swfdec/swfdec_movie.h>
  39 #include <swfdec/swfdec_player_internal.h>
  40 #include <swfdec/swfdec_sprite.h>
  41 #include <swfdec/swfdec_shape.h>
  42 #include <swfdec/swfdec_sound.h>
  43 #include <swfdec/swfdec_swf_decoder.h>
  44 #include <swfdec/swfdec_resource.h>
  45 #include <swfdec/swfdec_tag.h>
  46 #include <swfdec/swfdec_text.h>
  47
  48 static gboolean verbose = FALSE;
  49
  50 static const char *
  51 get_audio_format_name (guint codec)
  52 {
  53   switch (codec) {
  54     case SWFDEC_AUDIO_CODEC_ADPCM:
  55       return "ADPCM";
  56     case SWFDEC_AUDIO_CODEC_MP3:
  57       return "MP3";
  58     case SWFDEC_AUDIO_CODEC_UNCOMPRESSED:
  59       return "uncompressed";
  60     case SWFDEC_AUDIO_CODEC_NELLYMOSER:
  61       return "Nellymoser";
  62     default:
  63       return "Unknown";
  64   }
  65 }
  66
  67 static void
  68 dump_sound (SwfdecSound *sound)
  69 {
  70   g_print ("  codec: %s\n", get_audio_format_name (sound->codec));
  71   if (verbose) {
  72     g_print ("  format: %s\n", swfdec_audio_format_to_string (sound->format));
  73     g_print ("  samples: %u (%gs)\n", sound->n_samples,
  74         (double) sound->n_samples / swfdec_audio_format_get_rate (sound->format));
  75   }
  76 }
  77
  78 static void
  79 dump_sprite (SwfdecSwfDecoder *dec, SwfdecSprite *s)
  80 {
  81   if (!verbose) {
  82     g_print ("  %u frames\n", s->n_frames);
  83   } else {
  84     guint i, j, tag;
  85     SwfdecBuffer *buffer;
  86
  87     j = 0;
  88     for (i = 0; ; i++) {
  89       if (!swfdec_sprite_get_action (s, i, &tag, &buffer))
  90         break;
  91       switch (tag) {
  92         case SWFDEC_TAG_DOACTION:
  93           g_print ("   %4u script\n", j);
  94           break;
  95         case SWFDEC_TAG_PLACEOBJECT2:
  96         case SWFDEC_TAG_PLACEOBJECT3:
  97           {
  98             SwfdecBits bits;
  99             gboolean has_char, is_move;
 100             guint depth;
 101
 102             swfdec_bits_init (&bits, buffer);
 103             swfdec_bits_getbits (&bits, 6);
 104             has_char = swfdec_bits_getbit (&bits);
 105             is_move = swfdec_bits_getbit (&bits);
 106             if (tag == SWFDEC_TAG_PLACEOBJECT3)
 107               swfdec_bits_get_u8 (&bits);
 108             depth = swfdec_bits_get_u16 (&bits);
 109             g_print ("   %4u %5u %s", j, depth, is_move ? "move" : "place");
 110             if (has_char) {
 111               SwfdecCharacter *c;
 112               c = swfdec_swf_decoder_get_character (dec, swfdec_bits_get_u16 (&bits));
 113               if (c)
 114                 g_print (" %s %u", G_OBJECT_TYPE_NAME (c), c->id);
 115             }
 116             g_print ("\n");
 117           }
 118           break;
 119         case SWFDEC_TAG_REMOVEOBJECT:
 120         case SWFDEC_TAG_REMOVEOBJECT2:
 121           {
 122             SwfdecBits bits;
 123             swfdec_bits_init (&bits, buffer);
 124             if (tag == SWFDEC_TAG_REMOVEOBJECT)
 125               swfdec_bits_get_u16 (&bits);
 126             g_print ("   %4u %5u remove\n", j, swfdec_bits_get_u16 (&bits));
 127           }
 128           break;
 129         case SWFDEC_TAG_SHOWFRAME:
 130           j++;
 131           break;
 132         case SWFDEC_TAG_STARTSOUND:
 133           /* FIXME add info about what sound etc */
 134           g_print ("   %4u start sound\n", j);
 135           break;
 136         case SWFDEC_TAG_EXPORTASSETS:
 137           g_print ("   %4u export\n", j);
 138           break;
 139         case SWFDEC_TAG_DOINITACTION:
 140           g_print ("   %4u init action\n", j);
 141           break;
 142         case SWFDEC_TAG_SETBACKGROUNDCOLOR:
 143           g_print ("   %4u background color\n", j);
 144           break;
 145         case SWFDEC_TAG_SOUNDSTREAMHEAD:
 146           /* FIXME */
 147           g_print ("   %4u sound stream\n", j);
 148           break;
 149         case SWFDEC_TAG_SOUNDSTREAMHEAD2:
 150         case SWFDEC_TAG_SOUNDSTREAMBLOCK:
 151           break;
 152         default:
 153           g_assert_not_reached ();
 154       }
 155     }
 156   }
 157 }
 158
 159 static void
 160 dump_path (cairo_path_t *path)
 161 {
 162   int i;
 163   cairo_path_data_t *data = path->data;
 164   const char *name;
 165
 166   for (i = 0; i < path->num_data; i++) {
 167     name = NULL;
 168     switch (data[i].header.type) {
 169       case CAIRO_PATH_CURVE_TO:
 170         g_print ("      curve %g %g (%g %g . %g %g)\n",
 171             data[i + 3].point.x, data[i + 3].point.y,
 172             data[i + 1].point.x, data[i + 1].point.y,
 173             data[i + 2].point.x, data[i + 2].point.y);
 174         i += 3;
 175         break;
 176       case CAIRO_PATH_LINE_TO:
 177         name = "line ";
 178       case CAIRO_PATH_MOVE_TO:
 179         if (!name)
 180           name = "move ";
 181         i++;
 182         g_print ("      %s %g %g\n", name, data[i].point.x, data[i].point.y);
 183         break;
 184       case CAIRO_PATH_CLOSE_PATH:
 185         g_print ("      close\n");
 186         break;
 187       default:
 188         g_assert_not_reached ();
 189         break;
 190     }
 191   }
 192 }
 193
 194 static void
 195 dump_shape (SwfdecShape *shape)
 196 {
 197   GSList *walk;
 198
 199   for (walk = shape->draws; walk; walk = walk->next) {
 200     if (SWFDEC_IS_PATTERN (walk->data)) {
 201       SwfdecPattern *pattern = walk->data;
 202       char *str = swfdec_pattern_to_string (pattern);
 203       g_print ("%s\n", str);
 204       g_free (str);
 205       if (verbose) {
 206         g_print ("        %g %g  %g %g  %g %g\n",
 207             pattern->start_transform.xx, pattern->start_transform.xy,
 208             pattern->start_transform.yx, pattern->start_transform.yy,
 209             pattern->start_transform.x0, pattern->start_transform.y0);
 210       }
 211     } else if (SWFDEC_IS_STROKE (walk->data)) {
 212       SwfdecStroke *line = walk->data;
 213       g_print ("line (width %u, color #%08X)\n", line->start_width, line->start_color);
 214     } else {
 215       g_print ("not filled\n");
 216     }
 217     if (verbose) {
 218       dump_path (&SWFDEC_DRAW (walk->data)->path);
 219     }
 220   }
 221 }
 222
 223 static void
 224 dump_text_field (SwfdecTextField *text)
 225 {
 226   g_print ("  %s\n", text->input ? text->input : "");
 227   if (verbose) {
 228     if (text->variable)
 229       g_print ("  variable %s\n", text->variable);
 230     else
 231       g_print ("  no variable\n");
 232   }
 233 }
 234
 235 static void
 236 dump_text (SwfdecText *text)
 237 {
 238   guint i;
 239   gunichar2 uni[text->glyphs->len];
 240   char *s;
 241
 242   for (i = 0; i < text->glyphs->len; i++) {
 243     SwfdecTextGlyph *glyph = &g_array_index (text->glyphs, SwfdecTextGlyph, i);
 244     uni[i] = g_array_index (glyph->font->glyphs, SwfdecFontEntry, glyph->glyph).value;
 245     if (uni[i] == 0)
 246       goto fallback;
 247   }
 248   s = g_utf16_to_utf8 (uni, text->glyphs->len, NULL, NULL, NULL);
 249   if (s == NULL)
 250     goto fallback;
 251   g_print ("  text: %s\n", s);
 252   g_free (s);
 253   return;
 254
 255 fallback:
 256   g_print ("  %u characters\n", text->glyphs->len);
 257 }
 258
 259 static void
 260 dump_font (SwfdecFont *font)
 261 {
 262   unsigned int i;
 263   if (font->name)
 264     g_print ("  %s\n", font->name);
 265   g_print ("  %u characters\n", font->glyphs->len);
 266   if (verbose) {
 267     for (i = 0; i < font->glyphs->len; i++) {
 268       gunichar2 c = g_array_index (font->glyphs, SwfdecFontEntry, i).value;
 269       char *s;
 270       if (c == 0 || (s = g_utf16_to_utf8 (&c, 1, NULL, NULL, NULL)) == NULL) {
 271         g_print (" ");
 272       } else {
 273         g_print ("%s ", s);
 274         g_free (s);
 275       }
 276     }
 277     g_print ("\n");
 278   }
 279 }
 280
 281 static void
 282 dump_button (SwfdecButton *button)
 283 {
 284 }
 285
 286 static const char *
 287 get_image_type_name (SwfdecImageType type)
 288 {
 289   switch (type) {
 290     case SWFDEC_IMAGE_TYPE_JPEG:
 291       return "JPEG with global table";
 292     case SWFDEC_IMAGE_TYPE_JPEG2:
 293       return "JPEG";
 294     case SWFDEC_IMAGE_TYPE_JPEG3:
 295       return "JPEG with alpha";
 296     case SWFDEC_IMAGE_TYPE_LOSSLESS:
 297       return "lossless";
 298     case SWFDEC_IMAGE_TYPE_LOSSLESS2:
 299       return "lossless with alpha";
 300     case SWFDEC_IMAGE_TYPE_PNG:
 301       return "PNG";
 302     case SWFDEC_IMAGE_TYPE_UNKNOWN:
 303     default:
 304       g_assert_not_reached ();
 305       return "Unknown";
 306   }
 307 }
 308
 309 static void
 310 dump_image (SwfdecImage *image)
 311 {
 312   cairo_surface_destroy (swfdec_image_create_surface (image, NULL));
 313   g_print ("  %s %u x %u\n", get_image_type_name (image->type),
 314       image->width, image->height);
 315 }
 316
 317 static void
 318 dump_object (gpointer value, gpointer dec)
 319 {
 320   SwfdecCharacter *c = value;
 321
 322   g_print ("%d: %s\n", c->id, G_OBJECT_TYPE_NAME (c));
 323   if (verbose && SWFDEC_IS_GRAPHIC (c)) {
 324     SwfdecGraphic *graphic = SWFDEC_GRAPHIC (c);
 325     g_print ("  extents: %g %g  %g %g\n", graphic->extents.x0, graphic->extents.y0,
 326         graphic->extents.x1, graphic->extents.y1);
 327   }
 328   if (SWFDEC_IS_IMAGE (c)) {
 329     dump_image (SWFDEC_IMAGE (c));
 330   }
 331   if (SWFDEC_IS_SPRITE (c)) {
 332     dump_sprite (dec, SWFDEC_SPRITE (c));
 333   }
 334   if (SWFDEC_IS_SHAPE(c)) {
 335     dump_shape(SWFDEC_SHAPE(c));
 336   }
 337   if (SWFDEC_IS_TEXT (c)) {
 338     dump_text (SWFDEC_TEXT (c));
 339   }
 340   if (SWFDEC_IS_TEXT_FIELD (c)) {
 341     dump_text_field (SWFDEC_TEXT_FIELD (c));
 342   }
 343   if (SWFDEC_IS_FONT (c)) {
 344     dump_font (SWFDEC_FONT (c));
 345   }
 346   if (SWFDEC_IS_BUTTON (c)) {
 347     dump_button (SWFDEC_BUTTON (c));
 348   }
 349   if (SWFDEC_IS_SOUND (c)) {
 350     dump_sound (SWFDEC_SOUND (c));
 351   }
 352 }
 353
 354 static void
 355 enqueue (gpointer key, gpointer value, gpointer listp)
 356 {
 357   GList **list = listp;
 358
 359   *list = g_list_prepend (*list, value);
 360 }
 361
 362 static int
 363 sort_by_id (gconstpointer a, gconstpointer b)
 364 {
 365   if (SWFDEC_CHARACTER (a)->id < SWFDEC_CHARACTER (b)->id)
 366     return -1;
 367   return 1;
 368 }
 369
 370 int
 371 main (int argc, char *argv[])
 372 {
 373   SwfdecSwfDecoder *s;
 374   SwfdecPlayer *player;
 375   GError *error = NULL;
 376   GOptionEntry options[] = {
 377     { "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "bew verbose", NULL },
 378     { NULL }
 379   };
 380   GOptionContext *ctx;
 381   GList *list = NULL;
 382   SwfdecURL *url;
 383
 384   ctx = g_option_context_new ("");
 385   g_option_context_add_main_entries (ctx, options, "options");
 386   g_option_context_parse (ctx, &argc, &argv, &error);
 387   g_option_context_free (ctx);
 388   if (error) {
 389     g_printerr ("Error parsing command line arguments: %s\n", error->message);
 390     g_error_free (error);
 391     return 1;
 392   }
 393
 394   swfdec_init();
 395
 396   if(argc < 2){
 397     g_print ("usage: %s [OPTIONS] file\n", argv[0]);
 398     return 0;
 399   }
 400
 401   player = swfdec_player_new (NULL);
 402   url = swfdec_url_new_from_input (argv[1]);
 403   swfdec_player_set_url (player, url);
 404   swfdec_url_free (url);
 405   /* FIXME: HACK! */
 406   swfdec_player_advance (player, 0);
 407   if (!swfdec_player_is_initialized (player)) {
 408     g_printerr ("File \"%s\" is not a SWF file\n", argv[1]);
 409     g_object_unref (player);
 410     player = NULL;
 411     return 1;
 412   }
 413   s = (SwfdecSwfDecoder *) SWFDEC_MOVIE (player->priv->roots->data)->resource->decoder;
 414   /* FIXME: can happen after a _root.loadMovie() call */
 415   if (!SWFDEC_IS_SWF_DECODER (s)) {
 416     g_printerr ("Movie already unloaded from \"%s\"\n", argv[1]);
 417     g_object_unref (player);
 418     player = NULL;
 419     return 1;
 420   }
 421
 422   g_print ("file:\n");
 423   g_print ("  version: %d\n", s->version);
 424   g_print ("  rate   : %g fps\n",  SWFDEC_DECODER (s)->rate / 256.0);
 425   g_print ("  size   : %ux%u pixels\n", SWFDEC_DECODER (s)->width, SWFDEC_DECODER (s)->height);
 426   g_print ("objects:\n");
 427   g_hash_table_foreach (s->characters, enqueue, &list);
 428   list = g_list_sort (list, sort_by_id);
 429   g_list_foreach (list, dump_object, s);
 430   g_list_free (list);
 431
 432   g_print ("main sprite:\n");
 433   dump_sprite (s, s->main_sprite);
 434   g_object_unref (player);
 435   s = NULL;
 436   player = NULL;
 437
 438   return 0;
 439 }
 440