diff options
Diffstat (limited to 'ffmpeg/tools/cws2fws.c')
| -rw-r--r-- | ffmpeg/tools/cws2fws.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/ffmpeg/tools/cws2fws.c b/ffmpeg/tools/cws2fws.c deleted file mode 100644 index 84feda9..0000000 --- a/ffmpeg/tools/cws2fws.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * cws2fws by Alex Beregszaszi - * This file is placed in the public domain. - * Use the program however you see fit. - * - * This utility converts compressed Macromedia Flash files to uncompressed ones. - */ - -#include "config.h" -#include <sys/stat.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_IO_H -#include <io.h> -#endif -#include <zlib.h> - -#ifdef DEBUG -#define dbgprintf printf -#else -#define dbgprintf(...) -#endif - -int main(int argc, char *argv[]) -{ - int fd_in, fd_out, comp_len, uncomp_len, i, last_out; - char buf_in[1024], buf_out[65536]; - z_stream zstream; - struct stat statbuf; - - if (argc < 3) { - printf("Usage: %s <infile.swf> <outfile.swf>\n", argv[0]); - return 1; - } - - fd_in = open(argv[1], O_RDONLY); - if (fd_in < 0) { - perror("Error opening input file"); - return 1; - } - - fd_out = open(argv[2], O_WRONLY | O_CREAT, 00644); - if (fd_out < 0) { - perror("Error opening output file"); - close(fd_in); - return 1; - } - - if (read(fd_in, &buf_in, 8) != 8) { - printf("Header error\n"); - close(fd_in); - close(fd_out); - return 1; - } - - if (buf_in[0] != 'C' || buf_in[1] != 'W' || buf_in[2] != 'S') { - printf("Not a compressed flash file\n"); - return 1; - } - - if (fstat(fd_in, &statbuf) < 0) { - perror("fstat failed"); - return 1; - } - comp_len = statbuf.st_size; - uncomp_len = buf_in[4] | (buf_in[5] << 8) | (buf_in[6] << 16) | (buf_in[7] << 24); - - printf("Compressed size: %d Uncompressed size: %d\n", - comp_len - 4, uncomp_len - 4); - - // write out modified header - buf_in[0] = 'F'; - if (write(fd_out, &buf_in, 8) < 8) { - perror("Error writing output file"); - return 1; - } - - zstream.zalloc = NULL; - zstream.zfree = NULL; - zstream.opaque = NULL; - if (inflateInit(&zstream) != Z_OK) { - fprintf(stderr, "inflateInit failed\n"); - return 1; - } - - for (i = 0; i < comp_len - 8;) { - int ret, len = read(fd_in, &buf_in, 1024); - - dbgprintf("read %d bytes\n", len); - - last_out = zstream.total_out; - - zstream.next_in = &buf_in[0]; - zstream.avail_in = len; - zstream.next_out = &buf_out[0]; - zstream.avail_out = 65536; - - ret = inflate(&zstream, Z_SYNC_FLUSH); - if (ret != Z_STREAM_END && ret != Z_OK) { - printf("Error while decompressing: %d\n", ret); - inflateEnd(&zstream); - return 1; - } - - dbgprintf("a_in: %d t_in: %lu a_out: %d t_out: %lu -- %lu out\n", - zstream.avail_in, zstream.total_in, zstream.avail_out, - zstream.total_out, zstream.total_out - last_out); - - if (write(fd_out, &buf_out, zstream.total_out - last_out) < - zstream.total_out - last_out) { - perror("Error writing output file"); - return 1; - } - - i += len; - - if (ret == Z_STREAM_END || ret == Z_BUF_ERROR) - break; - } - - if (zstream.total_out != uncomp_len - 8) { - printf("Size mismatch (%lu != %d), updating header...\n", - zstream.total_out, uncomp_len - 8); - - buf_in[0] = (zstream.total_out + 8) & 0xff; - buf_in[1] = ((zstream.total_out + 8) >> 8) & 0xff; - buf_in[2] = ((zstream.total_out + 8) >> 16) & 0xff; - buf_in[3] = ((zstream.total_out + 8) >> 24) & 0xff; - - if ( lseek(fd_out, 4, SEEK_SET) < 0 - || write(fd_out, &buf_in, 4) < 4) { - perror("Error writing output file"); - return 1; - } - } - - inflateEnd(&zstream); - close(fd_in); - close(fd_out); - return 0; -} |
