diff options
Diffstat (limited to 'debian/transcode/transcode-1.1.7/import/tcdecode.c')
| -rw-r--r-- | debian/transcode/transcode-1.1.7/import/tcdecode.c | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/import/tcdecode.c b/debian/transcode/transcode-1.1.7/import/tcdecode.c new file mode 100644 index 00000000..8c28bb42 --- /dev/null +++ b/debian/transcode/transcode-1.1.7/import/tcdecode.c @@ -0,0 +1,355 @@ +/* + * tcdecode.c + * + * Copyright (C) Thomas Oestreich - June 2001 + * + * This file is part of transcode, a video stream processing tool + * + * transcode 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, or (at your option) + * any later version. + * + * transcode 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 GNU Make; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include "transcode.h" +#include "tcinfo.h" + +#include <limits.h> + +#include "ioaux.h" +#include "tc.h" +#include "libtc/xio.h" + +#define EXE "tcdecode" + +extern long fileinfo(int fd, int skip); + +int verbose = TC_QUIET; + +void import_exit(int code) +{ + if (verbose & TC_DEBUG) + tc_log_msg(EXE, "(pid=%d) exit (code %d)", (int) getpid(), code); + exit(code); +} + + +/* ------------------------------------------------------------ + * + * print a usage/version message + * + * ------------------------------------------------------------*/ + + +void version(void) +{ + /* print id string to stderr */ + fprintf(stderr, "%s (%s v%s) (C) 2001-2003 Thomas Oestreich," + " 2003-2010 Transcode Team\n", + EXE, PACKAGE, VERSION); +} + + +static void usage(int status) +{ + version(); + + fprintf(stderr,"\nUsage: %s [options]\n", EXE); + + fprintf(stderr," -i file input file [stdin]\n"); + fprintf(stderr," -x codec source codec (required)\n"); + fprintf(stderr," -t package codec package\n"); + fprintf(stderr," -g wxh stream frame size [autodetect]\n"); + fprintf(stderr," -y format output raw stream format [rgb]\n"); + fprintf(stderr," -Q mode decoding quality (0=fastest-5=best) [%d]\n", VQUALITY); + fprintf(stderr," -d mode verbosity mode\n"); + fprintf(stderr," -s c,f,r audio gain for ac3 downmixing [1,1,1]\n"); + fprintf(stderr," -A n A52 decoder flag [0]\n"); + fprintf(stderr," -C s,e decode only from start to end ((V) frames/(A) bytes) [all]\n"); + fprintf(stderr," -Y use libdv YUY2 decoder mode\n"); + fprintf(stderr," -z r convert zero padding to silence\n"); + fprintf(stderr," -v print version\n"); + + exit(status); +} + +/* ------------------------------------------------------------ + * + * universal decode thread frontend + * + * ------------------------------------------------------------*/ + +int main(int argc, char *argv[]) +{ + decode_t decode; + int ch, done=0; + char *codec=NULL, *format="rgb", *magic="none"; + + memset(&decode, 0, sizeof(decode)); + decode.magic = TC_MAGIC_UNKNOWN; + decode.stype = TC_STYPE_UNKNOWN; + decode.quality = VQUALITY; + decode.ac3_gain[0] = decode.ac3_gain[1] = decode.ac3_gain[2] = 1.0; + decode.frame_limit[0]=0; + decode.frame_limit[1]=LONG_MAX; + + libtc_init(&argc, &argv); + + while ((ch = getopt(argc, argv, "Q:t:d:x:i:a:g:vy:s:YC:A:z:?h")) != -1) { + switch (ch) { + + case 'i': + if (optarg[0]=='-') usage(EXIT_FAILURE); + decode.name = optarg; + break; + + case 'd': + if (optarg[0]=='-') usage(EXIT_FAILURE); + verbose = atoi(optarg); + break; + + case 'Q': + if (optarg[0]=='-') usage(EXIT_FAILURE); + decode.quality = atoi(optarg); + break; + + case 'A': + if (optarg[0]=='-') usage(EXIT_FAILURE); + decode.a52_mode = atoi(optarg); + break; + + case 'x': + if (optarg[0]=='-') usage(EXIT_FAILURE); + codec = optarg; + break; + + case 't': + if (optarg[0]=='-') usage(EXIT_FAILURE); + magic = optarg; + break; + + case 'y': + if (optarg[0]=='-') usage(EXIT_FAILURE); + format = optarg; + break; + + case 'g': + if (optarg[0]=='-') usage(EXIT_FAILURE); + if (2 != sscanf(optarg,"%dx%d", &decode.width, &decode.height)) usage(EXIT_FAILURE); + break; + + case 'v': + version(); + exit(0); + break; + + case 'Y': + decode.dv_yuy2_mode=1; + break; + + case 's': + if(optarg[0]=='-') usage(EXIT_FAILURE); + if (3 != sscanf(optarg,"%lf,%lf,%lf", &decode.ac3_gain[0], &decode.ac3_gain[1], &decode.ac3_gain[2])) usage(EXIT_FAILURE); + break; + + case 'C': + if(optarg[0]=='-') usage(EXIT_FAILURE); + if (2 != sscanf(optarg,"%ld,%ld", &decode.frame_limit[0], &decode.frame_limit[1])) usage(EXIT_FAILURE); + if (decode.frame_limit[0] >= decode.frame_limit[1]) + { + tc_log_error(EXE, "Invalid -C options"); + usage(EXIT_FAILURE); + } + break; + + case 'z': + if(optarg[0]=='-') usage(EXIT_FAILURE); + decode.padrate = atoi(optarg); + break; + + case 'h': + usage(EXIT_SUCCESS); + default: + usage(EXIT_FAILURE); + } + } + + ac_init(AC_ALL); + + /* ------------------------------------------------------------ + * + * fill out defaults for info structure + * + * ------------------------------------------------------------*/ + + // assume defaults + if(decode.name==NULL) decode.stype=TC_STYPE_STDIN; + + // no autodetection yet + if(codec==NULL) { + tc_log_error(EXE, "codec must be specified"); + usage(EXIT_FAILURE); + } + + // do not try to mess with the stream + if (decode.stype != TC_STYPE_STDIN) { + if (tc_file_check(decode.name)) exit(1); + if ((decode.fd_in = xio_open(decode.name, O_RDONLY)) < 0) { + tc_log_perror(EXE, "open file"); + exit(1); + } + + // try to find out the filetype + decode.magic = fileinfo(decode.fd_in, 0); + if (verbose) + tc_log_msg(EXE, "(pid=%d) %s", getpid(), filetype(decode.magic)); + + } else decode.fd_in = STDIN_FILENO; + + decode.fd_out = STDOUT_FILENO; + decode.codec = TC_CODEC_UNKNOWN; + decode.verbose = verbose; + if (decode.width < 0) decode.width = 0; + if (decode.height < 0) decode.height = 0; + + /* ------------------------------------------------------------ + * + * output raw stream format + * + * ------------------------------------------------------------*/ + + if (!strcmp(format, "rgb")) decode.format = TC_CODEC_RGB; + else if (!strcmp(format, "yuv420p")) decode.format = TC_CODEC_YUV420P; + else if (!strcmp(format, "yuv2")) decode.format = TC_CODEC_YUV2; + else if (!strcmp(format, "yuy2")) decode.format = TC_CODEC_YUY2; + else if (!strcmp(format, "pcm")) decode.format = TC_CODEC_PCM; + else if (!strcmp(format, "raw")) decode.format = TC_CODEC_RAW; + + /* ------------------------------------------------------------ + * + * codec specific section + * + * note: user provided values overwrite autodetection! + * + * ------------------------------------------------------------*/ + + // FFMPEG can decode a lot + if(!strcmp(magic, "ffmpeg") || !strcmp(magic, "lavc")) { + if (!strcmp(codec, "mpeg2")) decode.codec = TC_CODEC_MPEG2; + else if (!strcmp(codec, "mpeg2video")) decode.codec = TC_CODEC_MPEG2; + else if (!strcmp(codec, "mpeg1video")) decode.codec = TC_CODEC_MPEG1; + else if (!strcmp(codec, "divx3")) decode.codec = TC_CODEC_DIVX3; + else if (!strcmp(codec, "divx")) decode.codec = TC_CODEC_DIVX4; + else if (!strcmp(codec, "divx4")) decode.codec = TC_CODEC_DIVX4; + else if (!strcmp(codec, "mp42")) decode.codec = TC_CODEC_MP42; + else if (!strcmp(codec, "mjpg")) decode.codec = TC_CODEC_MJPEG; + else if (!strcmp(codec, "mjpeg")) decode.codec = TC_CODEC_MJPEG; + else if (!strcmp(codec, "rv10")) decode.codec = TC_CODEC_RV10; + else if (!strcmp(codec, "svq1")) decode.codec = TC_CODEC_SVQ1; + else if (!strcmp(codec, "svq3")) decode.codec = TC_CODEC_SVQ3; + else if (!strcmp(codec, "vp3")) decode.codec = TC_CODEC_VP3; + else if (!strcmp(codec, "4xm")) decode.codec = TC_CODEC_4XM; + else if (!strcmp(codec, "wmv1")) decode.codec = TC_CODEC_WMV1; + else if (!strcmp(codec, "wmv2")) decode.codec = TC_CODEC_WMV2; + else if (!strcmp(codec, "hfyu")) decode.codec = TC_CODEC_HUFFYUV; + else if (!strcmp(codec, "indeo3")) decode.codec = TC_CODEC_INDEO3; + else if (!strcmp(codec, "h263p")) decode.codec = TC_CODEC_H263P; + else if (!strcmp(codec, "h263i")) decode.codec = TC_CODEC_H263I; + else if (!strcmp(codec, "dvvideo")) decode.codec = TC_CODEC_DV; + else if (!strcmp(codec, "dv")) decode.codec = TC_CODEC_DV; + else if (!strcmp(codec, "vag")) decode.codec = TC_CODEC_VAG; + + decode_lavc(&decode); + } + + // MPEG2 + if (!strcmp(codec, "mpeg2")) { + decode.codec = TC_CODEC_MPEG2; + decode_mpeg2(&decode); + done = 1; + } + + // OGG + if (!strcmp(codec, "ogg")) { + decode.codec = TC_CODEC_VORBIS; + decode_ogg(&decode); + done = 1; + } + + // AC3 + if (!strcmp(codec, "ac3")) { + decode.codec = TC_CODEC_AC3; + decode_a52(&decode); + done = 1; + } + + // MP3 + if (!strcmp(codec, "mp3")) { + decode.codec = TC_CODEC_MP3; + decode_mp3(&decode); + done = 1; + } + + // MP2 + if (!strcmp(codec, "mp2")) { + decode.codec = TC_CODEC_MP3; + decode_mp2(&decode); + done = 1; + } + + // DV + if (!strcmp(codec, "dv")) { + decode.codec = TC_CODEC_DV; + decode_dv(&decode); + done = 1; + } + + // YUV420P + if (!strcmp(codec, "yuv420p")) { + decode.codec = TC_CODEC_YUV420P; + decode_yuv(&decode); + done = 1; + } + +#if 0 + // DivX Video + if (!strcmp(codec, "divx")) { + decode.select = TC_VIDEO; + decode_divx(&decode); + done = 1; + } +#endif + + // MOV + if (!strcmp(codec, "mov")) { + decode_mov(&decode); + done = 1; + } + + // LZO + if (!strcmp(codec, "lzo")) { + decode_lzo(&decode); + done = 1; + } + + if(!done) { + tc_log_error(EXE, "(pid=%d) unable to handle codec %s", getpid(), codec); + exit(1); + } + + if (decode.fd_in != STDIN_FILENO) xio_close(decode.fd_in); + + return 0; +} + +#include "libtc/static_xio.h" |