diff options
Diffstat (limited to 'debian/transcode/transcode-1.1.7/src/cmdline.c')
| -rw-r--r-- | debian/transcode/transcode-1.1.7/src/cmdline.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/src/cmdline.c b/debian/transcode/transcode-1.1.7/src/cmdline.c new file mode 100644 index 00000000..dec44bff --- /dev/null +++ b/debian/transcode/transcode-1.1.7/src/cmdline.c @@ -0,0 +1,241 @@ +/* + * cmdline.c -- parse transcode command line + * Written by Andrew Church <achurch@achurch.org> + * + * This file is part of transcode, a video stream processing tool. + * transcode is free software, distributable under the terms of the GNU + * General Public License (version 2 or later). See the file COPYING + * for details. + */ + +#include "transcode.h" +#include "decoder.h" +#include "probe.h" +#include "libtc/libtc.h" +#include "libtc/cfgfile.h" +#include "libtc/ratiocodes.h" +#include "libtc/tccodecs.h" +#include "libtc/xio.h" + +#include "cmdline.h" + +#include <ctype.h> +#ifdef HAVE_GETOPT_LONG_ONLY +#include <getopt.h> +#else +#include "libtc/getopt.h" +#endif + + +/* Global variables from transcode.c that should eventually go away. */ +int core_mode=TC_MODE_DEFAULT; +char *im_aud_mod = NULL, *im_vid_mod = NULL; +char *ex_aud_mod = NULL, *ex_vid_mod = NULL, *ex_mplex_mod = NULL; +char *plugins_string = NULL; +char + *nav_seek_file=NULL, *socket_file=NULL, + *chbase=NULL, //*dirbase=NULL, + base[TC_BUF_MIN]; +int psu_frame_threshold=12; //psu with less/equal frames are skipped. +int + no_vin_codec=1, no_ain_codec=1, + no_v_out_codec=1, no_a_out_codec=1; +int + frame_a=TC_FRAME_FIRST, // defaults to all frames + frame_b=TC_FRAME_LAST, + splitavi_frames=0, + psu_mode=TC_FALSE; +int preset_flag=0, auto_probe=1, seek_range=1; +int no_audio_adjust=TC_FALSE, no_split=TC_FALSE; +char *fc_ttime_string = NULL; +int sync_seconds=0; +pid_t writepid = 0; + + +/*************************************************************************/ + +/* Utility routines used by option processing. */ + + +/** + * print_option_help: Print a help line for a given option. + * + * Parameters: + * name: Option name (long name). + * shortopt: Character used for the short form of the option, 0 if none. + * argname: String describing the option's argument, NULL if none. + * helptext: Help text for the option. May include newlines (\n). + * optwidth: Number of columns to use for the long name and argument. + * Return value: + * None. + */ + +#define MAX_LINELEN 79 /* Maximum line length */ +#define MAX_OPTWIDTH 35 /* Maximum space to allocate to options */ + +static void print_option_help(const char *name, char shortopt, + const char *argname, const char *helptext, + int optwidth) +{ + int helpmax; + char optbuf[MAX_LINELEN+1]; + const char *s; + + if (optwidth > MAX_OPTWIDTH) + optwidth = MAX_OPTWIDTH; + snprintf(optbuf, sizeof(optbuf), "--%s%s%s", + name, + argname ? " " : "", + argname ? argname : ""); + printf(" %c%c%c%-*s ", + shortopt ? '-' : ' ', + shortopt ? shortopt : ' ', + shortopt ? '/' : ' ', + optwidth, optbuf); + if (strlen(optbuf) > optwidth) { + /* If the option overflowed the given width, skip to the next line */ + printf("\n%-*s", 5 + optwidth + 2, ""); + } + /* Break help text into lines at whitespace or \n */ + helpmax = MAX_LINELEN - 5 - optwidth - 2; + s = helptext; + s += strspn(s, " \t"); + do { + const char *t, *next; + t = s + helpmax; + if (t > s + strlen(s)) + t = s + strlen(s); + if (t > s + strcspn(s, "\n")) + t = s + strcspn(s, "\n"); + /* Don't try to break text with no whitespace */ + if (s + strcspn(s, " \t") < t) { + while (t > s+1 && *t && !isspace(*t)) + t--; + } + if (*t == '\n') { + /* Preserve whitespace after a newline */ + next = t + 1; + } else { + next = t + strspn(t, " \t\n"); + } + /* Only print indent if there's more text */ + printf("%.*s\n%-*s", + (int)(t-s), s, + *next ? optwidth+7+3 : 0, ""); + s = next; + /* Indent subsequent lines 3 spaces (the +3 above is also for this) */ + helpmax = 79 - 5 - optwidth - 2 - 3; + } while (*s); +} + +/*************************************************************************/ + +/* The actual option definitions are located in cmdline_def.h using macros; + * see that file for details. */ + +enum { + DUMMY = 0x100, +#define TC_OPTIONS_TO_ENUM +#include "cmdline_def.h" +#undef TC_OPTIONS_TO_ENUM +}; + +static struct option tc_options[] = { +#define TC_OPTIONS_TO_STRUCT_OPTION +#include "cmdline_def.h" +#undef TC_OPTIONS_TO_STRUCT_OPTION +}; + + +/** + * usage: Print a command-line help message. + * + * Parameters: + * None. + * Return value: + * None. + */ + +static void usage(void) +{ + int optwidth = 0; + +#define TC_OPTIONS_TO_OPTWIDTH optwidth +#include "cmdline_def.h" +#undef TC_OPTIONS_TO_OPTWIDTH + + version(); + printf("\n"); + printf("Usage: transcode [options...]\n"); + printf("\n"); + printf("Options:\n"); +#define TC_OPTIONS_TO_HELP optwidth +#include "cmdline_def.h" +#undef TC_OPTIONS_TO_HELP + printf("\n"); + printf("use tcmodinfo to discover module properties and configurable options.\n"); +} + + +/** + * parse_cmdline: Parse all options on the transcode command line, storing + * appropriate values in the global "vob" data structure. + * + * Parameters: + * argc: Command line argument count. + * argv: Command line argument vector. + * vob: Global data structure. + * Return value: + * Nonzero on success, zero on error. + */ + +int parse_cmdline(int argc, char **argv, vob_t *vob) +{ + const char *shortopts; + int option; + +#define TC_OPTIONS_TO_SHORTOPTS shortopts +#include "cmdline_def.h" +#undef TC_OPTIONS_TO_SHORTOPTS + + while (-1 != (option = getopt_long_only(argc, argv, shortopts, + tc_options, NULL)) + ) { + switch (option) { +#define TC_OPTIONS_TO_CODE +#include "cmdline_def.h" +#undef TC_OPTIONS_TO_CODE + default: + short_usage: /* error-handling label */ + fprintf(stderr, "'transcode -h | more' shows a list of available" + " command line options.\n"); + return 0; + } + } + + if (optind == 1) + goto short_usage; + +#ifndef __APPLE__ + if (optind < argc) { + int n; + tc_warn("unused command line argument detected (%d/%d)", optind, argc); + for (n = optind; n < argc; n++) + tc_warn("argc[%d]=%s (unused)", n, argv[n]); + } +#endif + + return 1; +} + +/*************************************************************************/ + +/* + * Local variables: + * c-file-style: "stroustrup" + * c-file-offsets: ((case-label . *) (statement-case-intro . *)) + * indent-tabs-mode: nil + * End: + * + * vim: expandtab shiftwidth=4: + */ |