codec-cfg.c

   1 /*
   2  * codec.conf parser
   3  *
   4  * to compile test application:
   5  *  cc -I. -DTESTING -o codec-cfg-test codec-cfg.c mp_msg.o osdep/getch2.o -ltermcap
   6  * to compile CODECS2HTML:
   7  *   gcc -DCODECS2HTML -o codecs2html codec-cfg.c mp_msg.o
   8  *
   9  * TODO: implement informat in CODECS2HTML too
  10  *
  11  * Copyright (C) 2001 Szabolcs Berecz <szabi@inf.elte.hu>
  12  *
  13  * This file is part of MPlayer.
  14  *
  15  * MPlayer is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * MPlayer is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License along
  26  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  27  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  28  */
  29
  30 #define DEBUG
  31
  32 //disable asserts
  33 #define NDEBUG
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <fcntl.h>
  38 #include <unistd.h>
  39 #include <errno.h>
  40 #include <ctype.h>
  41 #include <assert.h>
  42 #include <string.h>
  43 #include <stdint.h>
  44
  45 #include "config.h"
  46 #include "mp_msg.h"
  47 #ifdef CODECS2HTML
  48 #define mp_tmsg mp_msg
  49 #ifdef __GNUC__
  50 #define mp_msg(t, l, m, args...) fprintf(stderr, m, ##args)
  51 #else
  52 #define mp_msg(t, l, ...) fprintf(stderr, __VA_ARGS__)
  53 #endif
  54 #endif
  55
  56
  57 #include "libmpcodecs/img_format.h"
  58 #include "codec-cfg.h"
  59
  60 #ifdef CODECS2HTML
  61 #define CODEC_CFG_MIN 20100000
  62 #else
  63 #include "codecs.conf.h"
  64 #endif
  65
  66 #define mmioFOURCC( ch0, ch1, ch2, ch3 )                                \
  67                 ( (uint32_t)(uint8_t)(ch0) | ( (uint32_t)(uint8_t)(ch1) << 8 ) |        \
  68                 ( (uint32_t)(uint8_t)(ch2) << 16 ) | ( (uint32_t)(uint8_t)(ch3) << 24 ) )
  69
  70 #define PRINT_LINENUM mp_msg(MSGT_CODECCFG,MSGL_ERR," at line %d\n", line_num)
  71
  72 #define MAX_NR_TOKEN    16
  73
  74 #define MAX_LINE_LEN    1000
  75
  76 #define RET_EOF         -1
  77 #define RET_EOL         -2
  78
  79 #define TYPE_VIDEO      0
  80 #define TYPE_AUDIO      1
  81
  82 static int codecs_conf_release;
  83 char * codecs_file = NULL;
  84
  85 static int add_to_fourcc(char *s, char *alias, unsigned int *fourcc,
  86                          unsigned int *map)
  87 {
  88     int i, j, freeslots;
  89     unsigned int tmp;
  90
  91     /* find first unused slot */
  92     for (i = 0; i < CODECS_MAX_FOURCC && fourcc[i] != 0xffffffff; i++)
  93         /* NOTHING */;
  94     freeslots = CODECS_MAX_FOURCC - i;
  95     if (!freeslots)
  96         goto err_out_too_many;
  97
  98     do {
  99         tmp = mmioFOURCC(s[0], s[1], s[2], s[3]);
 100         for (j = 0; j < i; j++)
 101             if (tmp == fourcc[j])
 102                 goto err_out_duplicated;
 103         fourcc[i] = tmp;
 104         map[i] = alias ? mmioFOURCC(alias[0], alias[1], alias[2], alias[3]) : tmp;
 105         s += 4;
 106         i++;
 107     } while ((*(s++) == ',') && --freeslots);
 108
 109     if (!freeslots)
 110         goto err_out_too_many;
 111     if (*(--s) != '\0')
 112         goto err_out_parse_error;
 113     return 1;
 114 err_out_duplicated:
 115     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"duplicated FourCC");
 116     return 0;
 117 err_out_too_many:
 118     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"too many FourCCs/formats...");
 119     return 0;
 120 err_out_parse_error:
 121     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"parse error");
 122     return 0;
 123 }
 124
 125 static int add_to_format(char *s, char *alias,unsigned int *fourcc, unsigned int *fourccmap)
 126 {
 127     int i, j;
 128     char *endptr;
 129
 130     /* find first unused slot */
 131     for (i = 0; i < CODECS_MAX_FOURCC && fourcc[i] != 0xffffffff; i++)
 132         /* NOTHING */;
 133     if (i == CODECS_MAX_FOURCC) {
 134         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"too many FourCCs/formats...");
 135         return 0;
 136     }
 137
 138     fourcc[i]=strtoul(s,&endptr,0);
 139     if (*endptr != '\0') {
 140         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"parse error (format ID not a number?)");
 141         return 0;
 142     }
 143
 144     if(alias){
 145         fourccmap[i]=strtoul(alias,&endptr,0);
 146         if (*endptr != '\0') {
 147             mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"parse error (format ID alias not a number?)");
 148             return 0;
 149         }
 150     } else
 151         fourccmap[i]=fourcc[i];
 152
 153     for (j = 0; j < i; j++)
 154         if (fourcc[j] == fourcc[i]) {
 155             mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"duplicated format ID");
 156             return 0;
 157         }
 158
 159     return 1;
 160 }
 161
 162 static const struct {
 163     const char *name;
 164     const unsigned int num;
 165 } fmt_table[] = {
 166     // note: due to parser deficiencies/simplicity, if one format
 167     // name matches the beginning of another, the longer one _must_
 168     // come first in this list.
 169     {"YV12",  IMGFMT_YV12},
 170     {"I420",  IMGFMT_I420},
 171     {"IYUV",  IMGFMT_IYUV},
 172     {"NV12",  IMGFMT_NV12},
 173     {"NV21",  IMGFMT_NV21},
 174     {"YVU9",  IMGFMT_YVU9},
 175     {"IF09",  IMGFMT_IF09},
 176     {"444P16LE", IMGFMT_444P16_LE},
 177     {"444P16BE", IMGFMT_444P16_BE},
 178     {"422P16LE", IMGFMT_422P16_LE},
 179     {"422P16BE", IMGFMT_422P16_BE},
 180     {"420P16LE", IMGFMT_420P16_LE},
 181     {"420P16BE", IMGFMT_420P16_BE},
 182     {"444P16", IMGFMT_444P16},
 183     {"422P16", IMGFMT_422P16},
 184     {"420P16", IMGFMT_420P16},
 185     {"420A",  IMGFMT_420A},
 186     {"444P",  IMGFMT_444P},
 187     {"422P",  IMGFMT_422P},
 188     {"411P",  IMGFMT_411P},
 189     {"440P",  IMGFMT_440P},
 190     {"Y800",  IMGFMT_Y800},
 191     {"Y8",    IMGFMT_Y8},
 192
 193     {"YUY2",  IMGFMT_YUY2},
 194     {"UYVY",  IMGFMT_UYVY},
 195     {"YVYU",  IMGFMT_YVYU},
 196
 197     {"RGB48LE",  IMGFMT_RGB48LE},
 198     {"RGB48BE",  IMGFMT_RGB48BE},
 199     {"RGB4",  IMGFMT_RGB4},
 200     {"RGB8",  IMGFMT_RGB8},
 201     {"RGB15", IMGFMT_RGB15},
 202     {"RGB16", IMGFMT_RGB16},
 203     {"RGB24", IMGFMT_RGB24},
 204     {"RGB32", IMGFMT_RGB32},
 205     {"BGR4",  IMGFMT_BGR4},
 206     {"BGR8",  IMGFMT_BGR8},
 207     {"BGR15", IMGFMT_BGR15},
 208     {"BGR16", IMGFMT_BGR16},
 209     {"BGR24", IMGFMT_BGR24},
 210     {"BGR32", IMGFMT_BGR32},
 211     {"RGB1",  IMGFMT_RGB1},
 212     {"BGR1",  IMGFMT_BGR1},
 213
 214     {"MPES",  IMGFMT_MPEGPES},
 215
 216     {"IDCT_MPEG2",IMGFMT_XVMC_IDCT_MPEG2},
 217     {"MOCO_MPEG2",IMGFMT_XVMC_MOCO_MPEG2},
 218
 219     {"VDPAU_MPEG1",IMGFMT_VDPAU_MPEG1},
 220     {"VDPAU_MPEG2",IMGFMT_VDPAU_MPEG2},
 221     {"VDPAU_H264",IMGFMT_VDPAU_H264},
 222     {"VDPAU_WMV3",IMGFMT_VDPAU_WMV3},
 223     {"VDPAU_VC1",IMGFMT_VDPAU_VC1},
 224     {"VDPAU_MPEG4",IMGFMT_VDPAU_MPEG4},
 225
 226     {NULL,    0}
 227 };
 228
 229
 230 static int add_to_inout(char *sfmt, char *sflags, unsigned int *outfmt,
 231                         unsigned char *outflags)
 232 {
 233
 234     static char *flagstr[] = {
 235         "flip",
 236         "noflip",
 237         "yuvhack",
 238         "query",
 239         "static",
 240         NULL
 241     };
 242
 243     int i, j, freeslots;
 244     unsigned char flags;
 245
 246     for (i = 0; i < CODECS_MAX_OUTFMT && outfmt[i] != 0xffffffff; i++)
 247         /* NOTHING */;
 248     freeslots = CODECS_MAX_OUTFMT - i;
 249     if (!freeslots)
 250         goto err_out_too_many;
 251
 252     flags = 0;
 253     if(sflags) {
 254         do {
 255             for (j = 0; flagstr[j] != NULL; j++)
 256                 if (!strncmp(sflags, flagstr[j],
 257                              strlen(flagstr[j])))
 258                     break;
 259             if (flagstr[j] == NULL)
 260                 goto err_out_parse_error;
 261             flags|=(1<<j);
 262             sflags+=strlen(flagstr[j]);
 263         } while (*(sflags++) == ',');
 264
 265         if (*(--sflags) != '\0')
 266             goto err_out_parse_error;
 267     }
 268
 269     do {
 270         for (j = 0; fmt_table[j].name != NULL; j++)
 271             if (!strncmp(sfmt, fmt_table[j].name, strlen(fmt_table[j].name)))
 272                 break;
 273         if (fmt_table[j].name == NULL)
 274             goto err_out_parse_error;
 275         outfmt[i] = fmt_table[j].num;
 276         outflags[i] = flags;
 277         ++i;
 278         sfmt+=strlen(fmt_table[j].name);
 279     } while ((*(sfmt++) == ',') && --freeslots);
 280
 281     if (!freeslots)
 282         goto err_out_too_many;
 283
 284     if (*(--sfmt) != '\0')
 285         goto err_out_parse_error;
 286
 287     return 1;
 288 err_out_too_many:
 289     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"too many out...");
 290     return 0;
 291 err_out_parse_error:
 292     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"parse error");
 293     return 0;
 294 }
 295
 296 static int validate_codec(codecs_t *c, int type)
 297 {
 298     unsigned int i;
 299     char *tmp_name = c->name;
 300
 301     for (i = 0; i < strlen(tmp_name) && isalnum(tmp_name[i]); i++)
 302         /* NOTHING */;
 303
 304     if (i < strlen(tmp_name)) {
 305         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"\ncodec(%s) name is not valid!\n", c->name);
 306         return 0;
 307     }
 308
 309     if (!c->info)
 310         c->info = strdup(c->name);
 311
 312 #if 0
 313     if (c->fourcc[0] == 0xffffffff) {
 314         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"\ncodec(%s) does not have FourCC/format!\n", c->name);
 315         return 0;
 316     }
 317 #endif
 318
 319     if (!c->drv) {
 320         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"\ncodec(%s) does not have a driver!\n", c->name);
 321         return 0;
 322     }
 323
 324 #if 0
 325 //FIXME: codec->driver == 4;... <- this should not be put in here...
 326 //FIXME: Where are they defined ????????????
 327     if (!c->dll && (c->driver == 4 ||
 328                     (c->driver == 2 && type == TYPE_VIDEO))) {
 329         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"\ncodec(%s) needs a 'dll'!\n", c->name);
 330         return 0;
 331     }
 332 // FIXME: Can guid.f1 be 0? How does one know that it was not given?
 333 //      if (!(codec->flags & CODECS_FLAG_AUDIO) && codec->driver == 4)
 334
 335     if (type == TYPE_VIDEO)
 336         if (c->outfmt[0] == 0xffffffff) {
 337             mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"\ncodec(%s) needs an 'outfmt'!\n", c->name);
 338             return 0;
 339         }
 340 #endif
 341     return 1;
 342 }
 343
 344 static int add_comment(char *s, char **d)
 345 {
 346     int pos;
 347
 348     if (!*d)
 349         pos = 0;
 350     else {
 351         pos = strlen(*d);
 352         (*d)[pos++] = '\n';
 353     }
 354     if (!(*d = realloc(*d, pos + strlen(s) + 1))) {
 355         mp_tmsg(MSGT_CODECCFG,MSGL_FATAL,"Can't allocate memory for comment. ");
 356         return 0;
 357     }
 358     strcpy(*d + pos, s);
 359     return 1;
 360 }
 361
 362 static short get_cpuflags(char *s)
 363 {
 364     static char *flagstr[] = {
 365         "mmx",
 366         "sse",
 367         "3dnow",
 368         NULL
 369     };
 370     int i;
 371     short flags = 0;
 372
 373     do {
 374         for (i = 0; flagstr[i]; i++)
 375             if (!strncmp(s, flagstr[i], strlen(flagstr[i])))
 376                 break;
 377         if (!flagstr[i])
 378             goto err_out_parse_error;
 379         flags |= 1<<i;
 380         s += strlen(flagstr[i]);
 381     } while (*(s++) == ',');
 382
 383     if (*(--s) != '\0')
 384         goto err_out_parse_error;
 385
 386     return flags;
 387 err_out_parse_error:
 388     return 0;
 389 }
 390
 391 static FILE *fp;
 392 static int line_num = 0;
 393 static char *line;
 394 static char *token[MAX_NR_TOKEN];
 395 static int read_nextline = 1;
 396
 397 static int get_token(int min, int max)
 398 {
 399     static int line_pos;
 400     int i;
 401     char c;
 402
 403     if (max >= MAX_NR_TOKEN) {
 404         mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"get_token(): max >= MAX_MR_TOKEN!");
 405         goto out_eof;
 406     }
 407
 408     memset(token, 0x00, sizeof(*token) * max);
 409
 410     if (read_nextline) {
 411         if (!fgets(line, MAX_LINE_LEN, fp))
 412             goto out_eof;
 413         line_pos = 0;
 414         ++line_num;
 415         read_nextline = 0;
 416     }
 417     for (i = 0; i < max; i++) {
 418         while (isspace(line[line_pos]))
 419             ++line_pos;
 420         if (line[line_pos] == '\0' || line[line_pos] == '#' ||
 421             line[line_pos] == ';') {
 422             read_nextline = 1;
 423             if (i >= min)
 424                 goto out_ok;
 425             goto out_eol;
 426         }
 427         token[i] = line + line_pos;
 428         c = line[line_pos];
 429         if (c == '"' || c == '\'') {
 430             token[i]++;
 431             while (line[++line_pos] != c && line[line_pos])
 432                 /* NOTHING */;
 433         } else {
 434             for (/* NOTHING */; !isspace(line[line_pos]) &&
 435                                   line[line_pos]; line_pos++)
 436                 /* NOTHING */;
 437         }
 438         if (!line[line_pos]) {
 439             read_nextline = 1;
 440             if (i >= min - 1)
 441                 goto out_ok;
 442             goto out_eol;
 443         }
 444         line[line_pos] = '\0';
 445         line_pos++;
 446     }
 447 out_ok:
 448     return i;
 449 out_eof:
 450     read_nextline = 1;
 451     return RET_EOF;
 452 out_eol:
 453     return RET_EOL;
 454 }
 455
 456 static codecs_t *video_codecs=NULL;
 457 static codecs_t *audio_codecs=NULL;
 458 static int nr_vcodecs = 0;
 459 static int nr_acodecs = 0;
 460
 461 int parse_codec_cfg(const char *cfgfile)
 462 {
 463     codecs_t *codec = NULL; // current codec
 464     codecs_t **codecsp = NULL;// points to audio_codecs or to video_codecs
 465     char *endptr;   // strtoul()...
 466     int *nr_codecsp;
 467     int codec_type;     /* TYPE_VIDEO/TYPE_AUDIO */
 468     int tmp, i;
 469
 470     // in case we call it a second time
 471     codecs_uninit_free();
 472
 473     nr_vcodecs = 0;
 474     nr_acodecs = 0;
 475
 476     if(cfgfile==NULL) {
 477 #ifdef CODECS2HTML
 478         return 0;
 479 #else
 480         /* following casts are harmless since {video,audio}_codecs will stay
 481          * untouched in this case */
 482         video_codecs = (codecs_t *)builtin_video_codecs;
 483         audio_codecs = (codecs_t *)builtin_audio_codecs;
 484         nr_vcodecs = sizeof(builtin_video_codecs)/sizeof(codecs_t);
 485         nr_acodecs = sizeof(builtin_audio_codecs)/sizeof(codecs_t);
 486         return 1;
 487 #endif
 488     }
 489
 490     mp_tmsg(MSGT_CODECCFG,MSGL_V,"Reading %s: ", cfgfile);
 491
 492     if ((fp = fopen(cfgfile, "r")) == NULL) {
 493         mp_tmsg(MSGT_CODECCFG,MSGL_V,"Can't open '%s': %s\n", cfgfile, strerror(errno));
 494         return 0;
 495     }
 496
 497     if ((line = malloc(MAX_LINE_LEN + 1)) == NULL) {
 498         mp_tmsg(MSGT_CODECCFG,MSGL_FATAL,"Can't get memory for 'line': %s\n", strerror(errno));
 499         return 0;
 500     }
 501     read_nextline = 1;
 502
 503     /*
 504      * this only catches release lines at the start of
 505      * codecs.conf, before audiocodecs and videocodecs.
 506      */
 507     while ((tmp = get_token(1, 1)) == RET_EOL)
 508         /* NOTHING */;
 509     if (tmp == RET_EOF)
 510         goto out;
 511     if (!strcmp(token[0], "release")) {
 512         if (get_token(1, 2) < 0)
 513             goto err_out_parse_error;
 514         tmp = atoi(token[0]);
 515         if (tmp < CODEC_CFG_MIN)
 516             goto err_out_release_num;
 517         codecs_conf_release = tmp;
 518         while ((tmp = get_token(1, 1)) == RET_EOL)
 519             /* NOTHING */;
 520         if (tmp == RET_EOF)
 521             goto out;
 522     } else
 523         goto err_out_release_num;
 524
 525     /*
 526      * check if the next block starts with 'audiocodec' or
 527      * with 'videocodec'
 528      */
 529     if (!strcmp(token[0], "audiocodec") || !strcmp(token[0], "videocodec"))
 530         goto loop_enter;
 531     goto err_out_parse_error;
 532
 533     while ((tmp = get_token(1, 1)) != RET_EOF) {
 534         if (tmp == RET_EOL)
 535             continue;
 536         if (!strcmp(token[0], "audiocodec") ||
 537             !strcmp(token[0], "videocodec")) {
 538             if (!validate_codec(codec, codec_type))
 539                 goto err_out_not_valid;
 540         loop_enter:
 541             if (*token[0] == 'v') {
 542                 codec_type = TYPE_VIDEO;
 543                 nr_codecsp = &nr_vcodecs;
 544                 codecsp = &video_codecs;
 545             } else if (*token[0] == 'a') {
 546                 codec_type = TYPE_AUDIO;
 547                 nr_codecsp = &nr_acodecs;
 548                 codecsp = &audio_codecs;
 549 #ifdef DEBUG
 550             } else {
 551                 mp_msg(MSGT_CODECCFG,MSGL_ERR,"picsba\n");
 552                 goto err_out;
 553 #endif
 554             }
 555             if (!(*codecsp = realloc(*codecsp,
 556                                      sizeof(codecs_t) * (*nr_codecsp + 2)))) {
 557                 mp_tmsg(MSGT_CODECCFG,MSGL_FATAL,"Can't realloc '*codecsp': %s\n", strerror(errno));
 558                 goto err_out;
 559             }
 560             codec=*codecsp + *nr_codecsp;
 561             ++*nr_codecsp;
 562             memset(codec,0,sizeof(codecs_t));
 563             memset(codec->fourcc, 0xff, sizeof(codec->fourcc));
 564             memset(codec->outfmt, 0xff, sizeof(codec->outfmt));
 565             memset(codec->infmt, 0xff, sizeof(codec->infmt));
 566
 567             if (get_token(1, 1) < 0)
 568                 goto err_out_parse_error;
 569             for (i = 0; i < *nr_codecsp - 1; i++) {
 570                 if(( (*codecsp)[i].name!=NULL) &&
 571                    (!strcmp(token[0], (*codecsp)[i].name)) ) {
 572                     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"Codec name '%s' isn't unique.", token[0]);
 573                     goto err_out_print_linenum;
 574                 }
 575             }
 576             if (!(codec->name = strdup(token[0]))) {
 577                 mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"Can't strdup -> 'name': %s\n", strerror(errno));
 578                 goto err_out;
 579             }
 580         } else if (!strcmp(token[0], "info")) {
 581             if (codec->info || get_token(1, 1) < 0)
 582                 goto err_out_parse_error;
 583             if (!(codec->info = strdup(token[0]))) {
 584                 mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"Can't strdup -> 'info': %s\n", strerror(errno));
 585                 goto err_out;
 586             }
 587         } else if (!strcmp(token[0], "comment")) {
 588             if (get_token(1, 1) < 0)
 589                 goto err_out_parse_error;
 590             add_comment(token[0], &codec->comment);
 591         } else if (!strcmp(token[0], "fourcc")) {
 592             if (get_token(1, 2) < 0)
 593                 goto err_out_parse_error;
 594             if (!add_to_fourcc(token[0], token[1],
 595                                codec->fourcc,
 596                                codec->fourccmap))
 597                 goto err_out_print_linenum;
 598         } else if (!strcmp(token[0], "format")) {
 599             if (get_token(1, 2) < 0)
 600                 goto err_out_parse_error;
 601             if (!add_to_format(token[0], token[1],
 602                                codec->fourcc,codec->fourccmap))
 603                 goto err_out_print_linenum;
 604         } else if (!strcmp(token[0], "driver")) {
 605             if (get_token(1, 1) < 0)
 606                 goto err_out_parse_error;
 607             if (!(codec->drv = strdup(token[0]))) {
 608                 mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"Can't strdup -> 'driver': %s\n", strerror(errno));
 609                 goto err_out;
 610             }
 611         } else if (!strcmp(token[0], "dll")) {
 612             if (get_token(1, 1) < 0)
 613                 goto err_out_parse_error;
 614             if (!(codec->dll = strdup(token[0]))) {
 615                 mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"Can't strdup -> 'dll': %s", strerror(errno));
 616                 goto err_out;
 617             }
 618         } else if (!strcmp(token[0], "guid")) {
 619             if (get_token(11, 11) < 0)
 620                 goto err_out_parse_error;
 621             codec->guid.f1=strtoul(token[0],&endptr,0);
 622             if ((*endptr != ',' || *(endptr + 1) != '\0') &&
 623                 *endptr != '\0')
 624                 goto err_out_parse_error;
 625             codec->guid.f2=strtoul(token[1],&endptr,0);
 626             if ((*endptr != ',' || *(endptr + 1) != '\0') &&
 627                 *endptr != '\0')
 628                 goto err_out_parse_error;
 629             codec->guid.f3=strtoul(token[2],&endptr,0);
 630             if ((*endptr != ',' || *(endptr + 1) != '\0') &&
 631                 *endptr != '\0')
 632                 goto err_out_parse_error;
 633             for (i = 0; i < 8; i++) {
 634                 codec->guid.f4[i]=strtoul(token[i + 3],&endptr,0);
 635                 if ((*endptr != ',' || *(endptr + 1) != '\0') &&
 636                     *endptr != '\0')
 637                     goto err_out_parse_error;
 638             }
 639         } else if (!strcmp(token[0], "out")) {
 640             if (get_token(1, 2) < 0)
 641                 goto err_out_parse_error;
 642             if (!add_to_inout(token[0], token[1], codec->outfmt,
 643                               codec->outflags))
 644                 goto err_out_print_linenum;
 645         } else if (!strcmp(token[0], "in")) {
 646             if (get_token(1, 2) < 0)
 647                 goto err_out_parse_error;
 648             if (!add_to_inout(token[0], token[1], codec->infmt,
 649                               codec->inflags))
 650                 goto err_out_print_linenum;
 651         } else if (!strcmp(token[0], "flags")) {
 652             if (get_token(1, 1) < 0)
 653                 goto err_out_parse_error;
 654             if (!strcmp(token[0], "seekable"))
 655                 codec->flags |= CODECS_FLAG_SEEKABLE;
 656             else if (!strcmp(token[0], "align16"))
 657                 codec->flags |= CODECS_FLAG_ALIGN16;
 658             else
 659                 goto err_out_parse_error;
 660         } else if (!strcmp(token[0], "status")) {
 661             if (get_token(1, 1) < 0)
 662                 goto err_out_parse_error;
 663             if (!strcasecmp(token[0], "working"))
 664                 codec->status = CODECS_STATUS_WORKING;
 665             else if (!strcasecmp(token[0], "crashing"))
 666                 codec->status = CODECS_STATUS_NOT_WORKING;
 667             else if (!strcasecmp(token[0], "untested"))
 668                 codec->status = CODECS_STATUS_UNTESTED;
 669             else if (!strcasecmp(token[0], "buggy"))
 670                 codec->status = CODECS_STATUS_PROBLEMS;
 671             else
 672                 goto err_out_parse_error;
 673         } else if (!strcmp(token[0], "cpuflags")) {
 674             if (get_token(1, 1) < 0)
 675                 goto err_out_parse_error;
 676             if (!(codec->cpuflags = get_cpuflags(token[0])))
 677                 goto err_out_parse_error;
 678         } else
 679             goto err_out_parse_error;
 680     }
 681     if (!validate_codec(codec, codec_type))
 682         goto err_out_not_valid;
 683     mp_tmsg(MSGT_CODECCFG,MSGL_INFO,"%d audio & %d video codecs\n", nr_acodecs, nr_vcodecs);
 684     if(video_codecs) video_codecs[nr_vcodecs].name = NULL;
 685     if(audio_codecs) audio_codecs[nr_acodecs].name = NULL;
 686 out:
 687     free(line);
 688     line=NULL;
 689     fclose(fp);
 690     return 1;
 691
 692 err_out_parse_error:
 693     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"parse error");
 694 err_out_print_linenum:
 695     PRINT_LINENUM;
 696 err_out:
 697     codecs_uninit_free();
 698
 699     free(line);
 700     line=NULL;
 701     line_num = 0;
 702     fclose(fp);
 703     return 0;
 704 err_out_not_valid:
 705     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"Codec is not defined correctly.");
 706     goto err_out_print_linenum;
 707 err_out_release_num:
 708     mp_tmsg(MSGT_CODECCFG,MSGL_ERR,"This codecs.conf is too old and incompatible with this MPlayer release!");
 709     goto err_out_print_linenum;
 710 }
 711
 712 static void codecs_free(codecs_t* codecs,int count) {
 713     int i;
 714     for ( i = 0; i < count; i++)
 715         if ( codecs[i].name ) {
 716             free(codecs[i].name);
 717             free(codecs[i].info);
 718             free(codecs[i].comment);
 719             free(codecs[i].dll);
 720             free(codecs[i].drv);
 721         }
 722     free(codecs);
 723 }
 724
 725 void codecs_uninit_free(void) {
 726     if (video_codecs)
 727     codecs_free(video_codecs,nr_vcodecs);
 728     video_codecs=NULL;
 729     if (audio_codecs)
 730     codecs_free(audio_codecs,nr_acodecs);
 731     audio_codecs=NULL;
 732 }
 733
 734 codecs_t *find_audio_codec(unsigned int fourcc, unsigned int *fourccmap,
 735                            codecs_t *start, int force)
 736 {
 737     return find_codec(fourcc, fourccmap, start, 1, force);
 738 }
 739
 740 codecs_t *find_video_codec(unsigned int fourcc, unsigned int *fourccmap,
 741                            codecs_t *start, int force)
 742 {
 743     return find_codec(fourcc, fourccmap, start, 0, force);
 744 }
 745
 746 codecs_t* find_codec(unsigned int fourcc,unsigned int *fourccmap,
 747                      codecs_t *start, int audioflag, int force)
 748 {
 749     int i, j;
 750     codecs_t *c;
 751
 752 #if 0
 753     if (start) {
 754         for (/* NOTHING */; start->name; start++) {
 755             for (j = 0; j < CODECS_MAX_FOURCC; j++) {
 756                 if (start->fourcc[j] == fourcc) {
 757                     if (fourccmap)
 758                         *fourccmap = start->fourccmap[j];
 759                     return start;
 760                 }
 761             }
 762         }
 763     } else
 764 #endif
 765     {
 766         if (audioflag) {
 767             i = nr_acodecs;
 768             c = audio_codecs;
 769         } else {
 770             i = nr_vcodecs;
 771             c = video_codecs;
 772         }
 773         if(!i) return NULL;
 774         for (/* NOTHING */; i--; c++) {
 775             if(start && c<=start) continue;
 776             for (j = 0; j < CODECS_MAX_FOURCC; j++) {
 777                 // FIXME: do NOT hardwire 'null' name here:
 778                 if (c->fourcc[j]==fourcc || !strcmp(c->drv,"null")) {
 779                     if (fourccmap)
 780                         *fourccmap = c->fourccmap[j];
 781                     return c;
 782                 }
 783             }
 784             if (force) return c;
 785         }
 786     }
 787     return NULL;
 788 }
 789
 790 void stringset_init(stringset_t *set) {
 791     *set = calloc(1, sizeof(char *));
 792 }
 793
 794 void stringset_free(stringset_t *set) {
 795     int count = 0;
 796     while ((*set)[count]) free((*set)[count++]);
 797     free(*set);
 798     *set = NULL;
 799 }
 800
 801 void stringset_add(stringset_t *set, const char *str) {
 802     int count = 0;
 803     while ((*set)[count]) count++;
 804     count++;
 805     *set = realloc(*set, sizeof(char *) * (count + 1));
 806     (*set)[count - 1] = strdup(str);
 807     (*set)[count] = NULL;
 808 }
 809
 810 int stringset_test(stringset_t *set, const char *str) {
 811     stringset_t s;
 812     for (s = *set; *s; s++)
 813         if (strcmp(*s, str) == 0)
 814             return 1;
 815     return 0;
 816 }
 817
 818 void list_codecs(int audioflag){
 819     int i;
 820     codecs_t *c;
 821
 822     if (audioflag) {
 823         i = nr_acodecs;
 824         c = audio_codecs;
 825         mp_msg(MSGT_CODECCFG,MSGL_INFO,"ac:     afm:      status:   info:  [lib/dll]\n");
 826     } else {
 827         i = nr_vcodecs;
 828         c = video_codecs;
 829         mp_msg(MSGT_CODECCFG,MSGL_INFO,"vc:     vfm:      status:   info:  [lib/dll]\n");
 830     }
 831     if(!i) return;
 832     for (/* NOTHING */; i--; c++) {
 833         char* s="unknown ";
 834         switch(c->status){
 835         case CODECS_STATUS_WORKING:     s="working ";break;
 836         case CODECS_STATUS_PROBLEMS:    s="problems";break;
 837         case CODECS_STATUS_NOT_WORKING: s="crashing";break;
 838         case CODECS_STATUS_UNTESTED:    s="untested";break;
 839         }
 840         if(c->dll)
 841             mp_msg(MSGT_CODECCFG,MSGL_INFO,"%-11s %-9s %s  %s  [%s]\n",c->name,c->drv,s,c->info,c->dll);
 842         else
 843             mp_msg(MSGT_CODECCFG,MSGL_INFO,"%-11s %-9s %s  %s\n",c->name,c->drv,s,c->info);
 844         }
 845 }
 846
 847
 848 #ifdef CODECS2HTML
 849 static void wrapline(FILE *f2,char *s){
 850     int c;
 851     if(!s){
 852         fprintf(f2,"-");
 853         return;
 854     }
 855     while((c=*s++)){
 856         if(c==',') fprintf(f2,"<br>"); else fputc(c,f2);
 857     }
 858 }
 859
 860 static void parsehtml(FILE *f1,FILE *f2,codecs_t *codec){
 861     int c,d;
 862     while((c=fgetc(f1))>=0){
 863         if(c!='%'){
 864             fputc(c,f2);
 865             continue;
 866         }
 867         d=fgetc(f1);
 868
 869         switch(d){
 870         case '.':
 871         return; // end of section
 872         case 'n':
 873             wrapline(f2,codec->name); break;
 874         case 'i':
 875             wrapline(f2,codec->info); break;
 876         case 'c':
 877             wrapline(f2,codec->comment); break;
 878         case 'd':
 879             wrapline(f2,codec->dll); break;
 880         case 'D':
 881             fprintf(f2,"%c",!strcmp(codec->drv,"dshow")?'+':'-'); break;
 882         case 'F':
 883             for(d=0;d<CODECS_MAX_FOURCC;d++)
 884                 if(!d || codec->fourcc[d]!=0xFFFFFFFF)
 885                     fprintf(f2,"%s%.4s",d?"<br>":"",(codec->fourcc[d]==0xFFFFFFFF || codec->fourcc[d]<0x20202020)?!d?"-":"":(char*) &codec->fourcc[d]);
 886             break;
 887         case 'f':
 888             for(d=0;d<CODECS_MAX_FOURCC;d++)
 889                 if(codec->fourcc[d]!=0xFFFFFFFF)
 890                     fprintf(f2,"%s0x%X",d?"<br>":"",codec->fourcc[d]);
 891             break;
 892         case 'Y':
 893             for(d=0;d<CODECS_MAX_OUTFMT;d++)
 894                 if(codec->outfmt[d]!=0xFFFFFFFF){
 895                     for (c=0; fmt_table[c].name; c++)
 896                         if(fmt_table[c].num==codec->outfmt[d]) break;
 897                     if(fmt_table[c].name)
 898                         fprintf(f2,"%s%s",d?"<br>":"",fmt_table[c].name);
 899                 }
 900             break;
 901         default:
 902             fputc(c,f2);
 903             fputc(d,f2);
 904         }
 905     }
 906 }
 907
 908 void skiphtml(FILE *f1){
 909     int c,d;
 910     while((c=fgetc(f1))>=0){
 911         if(c!='%'){
 912             continue;
 913         }
 914         d=fgetc(f1);
 915         if(d=='.') return; // end of section
 916     }
 917 }
 918
 919 static void print_int_array(const unsigned int* a, int size)
 920 {
 921     printf("{ ");
 922     while (size--)
 923         if(abs(*a)<256)
 924             printf("%d%s", *a++, size?", ":"");
 925         else
 926             printf("0x%X%s", *a++, size?", ":"");
 927     printf(" }");
 928 }
 929
 930 static void print_char_array(const unsigned char* a, int size)
 931 {
 932     printf("{ ");
 933     while (size--)
 934         if((*a)<10)
 935             printf("%d%s", *a++, size?", ":"");
 936         else
 937             printf("0x%02x%s", *a++, size?", ":"");
 938     printf(" }");
 939 }
 940
 941 static void print_string(const char* s)
 942 {
 943     if (!s) printf("NULL");
 944     else printf("\"%s\"", s);
 945 }
 946
 947 int main(int argc, char* argv[])
 948 {
 949     codecs_t *cl;
 950     FILE *f1;
 951     FILE *f2;
 952     int c,d,i;
 953     int pos;
 954     int section=-1;
 955     int nr_codecs;
 956     int win32=-1;
 957     int dshow=-1;
 958     int win32ex=-1;
 959
 960     /*
 961      * Take path to codecs.conf from command line, or fall back on
 962      * etc/codecs.conf
 963      */
 964     if (!(nr_codecs = parse_codec_cfg((argc>1)?argv[1]:"etc/codecs.conf")))
 965         exit(1);
 966     if (codecs_conf_release < CODEC_CFG_MIN)
 967         exit(1);
 968
 969     if (argc > 1) {
 970         int i, j;
 971         const char* nm[2];
 972         codecs_t* cod[2];
 973         int nr[2];
 974
 975         nm[0] = "builtin_video_codecs";
 976         cod[0] = video_codecs;
 977         nr[0] = nr_vcodecs;
 978
 979         nm[1] = "builtin_audio_codecs";
 980         cod[1] = audio_codecs;
 981         nr[1] = nr_acodecs;
 982
 983         printf("/* GENERATED FROM %s, DO NOT EDIT! */\n\n",argv[1]);
 984         printf("#include <stddef.h>\n");
 985         printf("#include \"codec-cfg.h\"\n\n");
 986         printf("#define CODEC_CFG_MIN %i\n\n", codecs_conf_release);
 987
 988         for (i=0; i<2; i++) {
 989             printf("const codecs_t %s[] = {\n", nm[i]);
 990             for (j = 0; j < nr[i]; j++) {
 991                 printf("{");
 992
 993                 print_int_array(cod[i][j].fourcc, CODECS_MAX_FOURCC);
 994                 printf(", /* fourcc */\n");
 995
 996                 print_int_array(cod[i][j].fourccmap, CODECS_MAX_FOURCC);
 997                 printf(", /* fourccmap */\n");
 998
 999                 print_int_array(cod[i][j].outfmt, CODECS_MAX_OUTFMT);
1000                 printf(", /* outfmt */\n");
1001
1002                 print_char_array(cod[i][j].outflags, CODECS_MAX_OUTFMT);
1003                 printf(", /* outflags */\n");
1004
1005                 print_int_array(cod[i][j].infmt, CODECS_MAX_INFMT);
1006                 printf(", /* infmt */\n");
1007
1008                 print_char_array(cod[i][j].inflags, CODECS_MAX_INFMT);
1009                 printf(", /* inflags */\n");
1010
1011                 print_string(cod[i][j].name);    printf(", /* name */\n");
1012                 print_string(cod[i][j].info);    printf(", /* info */\n");
1013                 print_string(cod[i][j].comment); printf(", /* comment */\n");
1014                 print_string(cod[i][j].dll);     printf(", /* dll */\n");
1015                 print_string(cod[i][j].drv);     printf(", /* drv */\n");
1016
1017                 printf("{ 0x%08lx, %hu, %hu,",
1018                        cod[i][j].guid.f1,
1019                        cod[i][j].guid.f2,
1020                        cod[i][j].guid.f3);
1021                 print_char_array(cod[i][j].guid.f4, sizeof(cod[i][j].guid.f4));
1022                 printf(" }, /* GUID */\n");
1023                 printf("%hd /* flags */, %hd /* status */, %hd /* cpuflags */ }\n",
1024                        cod[i][j].flags,
1025                        cod[i][j].status,
1026                        cod[i][j].cpuflags);
1027                 if (j < nr[i]) printf(",\n");
1028             }
1029             printf("};\n\n");
1030         }
1031         exit(0);
1032     }
1033
1034     f1=fopen("DOCS/tech/codecs-in.html","rb"); if(!f1) exit(1);
1035     f2=fopen("DOCS/codecs-status.html","wb"); if(!f2) exit(1);
1036
1037     while((c=fgetc(f1))>=0){
1038         if(c!='%'){
1039             fputc(c,f2);
1040             continue;
1041         }
1042         d=fgetc(f1);
1043         if(d>='0' && d<='9'){
1044             // begin section
1045             section=d-'0';
1046             //printf("BEGIN %d\n",section);
1047             if(section>=5){
1048                 // audio
1049                 cl = audio_codecs;
1050                 nr_codecs = nr_acodecs;
1051                 dshow=7;win32=4;
1052             } else {
1053                 // video
1054                 cl = video_codecs;
1055                 nr_codecs = nr_vcodecs;
1056                 dshow=4;win32=2;win32ex=6;
1057             }
1058             pos=ftell(f1);
1059             for(i=0;i<nr_codecs;i++){
1060                 fseek(f1,pos,SEEK_SET);
1061                 switch(section){
1062                 case 0:
1063                 case 5:
1064                     if(cl[i].status==CODECS_STATUS_WORKING)
1065 //                if(!(!strcmp(cl[i].drv,"vfw") || !strcmp(cl[i].drv,"dshow") || !strcmp(cl[i].drv,"vfwex") || !strcmp(cl[i].drv,"acm")))
1066                         parsehtml(f1,f2,&cl[i]);
1067                     break;
1068 #if 0
1069                 case 1:
1070                 case 6:
1071                     if(cl[i].status==CODECS_STATUS_WORKING)
1072                         if((!strcmp(cl[i].drv,"vfw") || !strcmp(cl[i].drv,"dshow") || !strcmp(cl[i].drv,"vfwex") || !strcmp(cl[i].drv,"acm")))
1073                             parsehtml(f1,f2,&cl[i]);
1074                     break;
1075 #endif
1076                 case 2:
1077                 case 7:
1078                     if(cl[i].status==CODECS_STATUS_PROBLEMS)
1079                         parsehtml(f1,f2,&cl[i]);
1080                     break;
1081                 case 3:
1082                 case 8:
1083                     if(cl[i].status==CODECS_STATUS_NOT_WORKING)
1084                         parsehtml(f1,f2,&cl[i]);
1085                     break;
1086                 case 4:
1087                 case 9:
1088                     if(cl[i].status==CODECS_STATUS_UNTESTED)
1089                         parsehtml(f1,f2,&cl[i]);
1090                     break;
1091                 default:
1092                     printf("Warning! unimplemented section: %d\n",section);
1093                 }
1094             }
1095             fseek(f1,pos,SEEK_SET);
1096             skiphtml(f1);
1097
1098             continue;
1099         }
1100         fputc(c,f2);
1101         fputc(d,f2);
1102     }
1103
1104     fclose(f2);
1105     fclose(f1);
1106     return 0;
1107 }
1108
1109 #endif
1110
1111 #ifdef TESTING
1112 int main(void)
1113 {
1114     codecs_t *c;
1115     int i,j, nr_codecs, state;
1116
1117     if (!(parse_codec_cfg("etc/codecs.conf")))
1118         return 0;
1119     if (!video_codecs)
1120         printf("no videoconfig.\n");
1121     if (!audio_codecs)
1122         printf("no audioconfig.\n");
1123
1124     printf("videocodecs:\n");
1125     c = video_codecs;
1126     nr_codecs = nr_vcodecs;
1127     state = 0;
1128 next:
1129     if (c) {
1130         printf("number of %scodecs: %d\n", state==0?"video":"audio",
1131                nr_codecs);
1132         for(i=0;i<nr_codecs;i++, c++){
1133             printf("\n============== %scodec %02d ===============\n",
1134                    state==0?"video":"audio",i);
1135             printf("name='%s'\n",c->name);
1136             printf("info='%s'\n",c->info);
1137             printf("comment='%s'\n",c->comment);
1138             printf("dll='%s'\n",c->dll);
1139             /* printf("flags=%X  driver=%d status=%d cpuflags=%d\n",
1140                       c->flags, c->driver, c->status, c->cpuflags); */
1141             printf("flags=%X status=%d cpuflags=%d\n",
1142                    c->flags, c->status, c->cpuflags);
1143
1144             for(j=0;j<CODECS_MAX_FOURCC;j++){
1145                 if(c->fourcc[j]!=0xFFFFFFFF){
1146                     printf("fourcc %02d:  %08X (%.4s) ===> %08X (%.4s)\n",j,c->fourcc[j],(char *) &c->fourcc[j],c->fourccmap[j],(char *) &c->fourccmap[j]);
1147                 }
1148             }
1149
1150             for(j=0;j<CODECS_MAX_OUTFMT;j++){
1151                 if(c->outfmt[j]!=0xFFFFFFFF){
1152                     printf("outfmt %02d:  %08X (%.4s)  flags: %d\n",j,c->outfmt[j],(char *) &c->outfmt[j],c->outflags[j]);
1153                 }
1154             }
1155
1156             for(j=0;j<CODECS_MAX_INFMT;j++){
1157                 if(c->infmt[j]!=0xFFFFFFFF){
1158                     printf("infmt %02d:  %08X (%.4s)  flags: %d\n",j,c->infmt[j],(char *) &c->infmt[j],c->inflags[j]);
1159                 }
1160             }
1161
1162             printf("GUID: %08lX %04X %04X",c->guid.f1,c->guid.f2,c->guid.f3);
1163             for(j=0;j<8;j++) printf(" %02X",c->guid.f4[j]);
1164             printf("\n");
1165
1166
1167         }
1168     }
1169     if (!state) {
1170         printf("audiocodecs:\n");
1171         c = audio_codecs;
1172         nr_codecs = nr_acodecs;
1173         state = 1;
1174         goto next;
1175     }
1176     return 0;
1177 }
1178
1179 #endif