diff options
Diffstat (limited to 'TOOLS/avisubdump.c')
| -rw-r--r-- | TOOLS/avisubdump.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/TOOLS/avisubdump.c b/TOOLS/avisubdump.c deleted file mode 100644 index da886c4332..0000000000 --- a/TOOLS/avisubdump.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * avisubdump - * - * avi vobsub subtitle stream dumper (c) 2004 Tobias Diedrich - * - * The subtitles are dumped to stdout. - * - * This program 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. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <errno.h> - -#define FCC(a,b,c,d) (((a))|((b)<<8)|((c)<<16)|((d)<<24)) - -#define FCC_RIFF FCC('R','I','F','F') -#define FCC_LIST FCC('L','I','S','T') -#define FCC_strh FCC('s','t','r','h') -#define FCC_txts FCC('t','x','t','s') -#define FCC_GAB2 FCC('G','A','B','2') - -#define GAB_LANGUAGE 0 -#define GAB_ENTRY 1 -#define GAB_LANGUAGE_UNICODE 2 -#define GAB_ENTRY_UNICODE 3 -#define GAB_RAWTEXTSUBTITLE 4 - -static unsigned int getle16(FILE* f){ - unsigned int res; - - res = fgetc(f); - res |= fgetc(f) << 8; - - return res; -} - -static unsigned int getle(FILE* f){ - unsigned int res; - - res = fgetc(f); - res |= fgetc(f) << 8; - res |= fgetc(f) << 16; - res |= fgetc(f) << 24; - - return res; -} - -static void skip(FILE *f, int len) -{ - if (f != stdin) { - fseek(f,len,SEEK_CUR); - } else { - void *buf = malloc(len); - fread(buf,len,1,f); - free(buf); - } -} - -static int stream_id(unsigned int id) -{ - char c1,c2; - c1 = (char)(id & 0xff); - c2 = (char)((id >> 8) & 0xff); - if (c1 >= '0' && c1 <= '9' && - c2 >= '0' && c2 <= '9') { - c1 -= '0'; - c2 -= '0'; - return c1*10+c2; - } - return -1; -} - -static int dumpsub_gab2(FILE *f, int size) { - int ret = 0; - - while (ret + 6 <= size) { - unsigned int len, id; - char *buf; - int i; - - id = getle16(f); ret += 2; - len = getle(f); ret += 4; - if (ret + len > size) break; - - buf = malloc(len); - ret += fread(buf, 1, len, f); - - switch (id) { - case GAB_LANGUAGE_UNICODE: /* FIXME: convert to utf-8; endianness */ - for (i=0; i<len; i++) buf[i] = buf[i*2]; - case GAB_LANGUAGE: - fprintf(stderr, "LANGUAGE: %s\n", buf); - break; - case GAB_ENTRY_UNICODE: /* FIXME: convert to utf-8; endianness */ - for (i=0; i<len; i++) buf[i] = buf[i*2]; - case GAB_ENTRY: - fprintf(stderr, "ENTRY: %s\n", buf); - break; - case GAB_RAWTEXTSUBTITLE: - printf("%s", buf); - break; - default: - fprintf(stderr, "Unknown type %d, len %d\n", id, len); - break; - } - free(buf); - } - - return ret; -} - -static void dump(FILE *f) { - unsigned int id, len; - int stream = 0; - int substream = -2; - - while (1) { - id = getle(f); - len = getle(f); - - if(feof(f)) break; - - if (id == FCC_RIFF || - id == FCC_LIST) { - getle(f); - continue; - } else if (id == FCC_strh) { - id = getle(f); len -= 4; - fprintf(stderr, "Stream %d is %c%c%c%c", - stream, - id, - id >> 8, - id >> 16, - id >> 24); - if (id == FCC_txts) { - substream = stream; - fprintf(stderr, " (subtitle stream)"); - } - fprintf(stderr, ".\n"); - stream++; - } else if (stream_id(id) == substream) { - unsigned int subid; - subid = getle(f); len -= 4; - if (subid != FCC_GAB2) { - fprintf(stderr, - "Unknown subtitle chunk %c%c%c%c (%08x).\n", - id, id >> 8, id >> 16, id >> 24, subid); - } else { - skip(f,1); len -= 1; - len -= dumpsub_gab2(f, len); - } - } - len+=len&1; - skip(f,len); - } -} - -int main(int argc,char* argv[]) -{ - FILE* f; - - if (argc != 2) { - fprintf(stderr, "Usage: %s <avi>\n", argv[0]); - exit(1); - } - - if (strcmp(argv[argc-1], "-") == 0) { - dump(stdin); - return 0; - } - - f=fopen(argv[argc-1],"rb"); - - if (!f) { - fprintf(stderr, "Could not open '%s': %s\n", - argv[argc-1], strerror(errno)); - exit(-errno); - } - - dump(f); - fclose(f); - - return 0; -} |