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692 lines
22 KiB
692 lines
22 KiB
/* |
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* ffprobe : Simple Media Prober based on the FFmpeg libraries |
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* Copyright (c) 2007-2010 Stefano Sabatini |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#include "config.h" |
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#include "libavformat/avformat.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/dict.h" |
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#include "libavdevice/avdevice.h" |
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#include "cmdutils.h" |
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const char program_name[] = "ffprobe"; |
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const int program_birth_year = 2007; |
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static int do_show_format = 0; |
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static int do_show_packets = 0; |
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static int do_show_streams = 0; |
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static int show_value_unit = 0; |
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static int use_value_prefix = 0; |
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static int use_byte_value_binary_prefix = 0; |
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static int use_value_sexagesimal_format = 0; |
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static char *print_format; |
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static const OptionDef options[]; |
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/* FFprobe context */ |
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static const char *input_filename; |
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static AVInputFormat *iformat = NULL; |
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static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" }; |
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static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" }; |
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static const char *unit_second_str = "s" ; |
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static const char *unit_hertz_str = "Hz" ; |
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static const char *unit_byte_str = "byte" ; |
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static const char *unit_bit_per_second_str = "bit/s"; |
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void exit_program(int ret) |
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{ |
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exit(ret); |
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} |
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static char *value_string(char *buf, int buf_size, double val, const char *unit) |
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{ |
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if (unit == unit_second_str && use_value_sexagesimal_format) { |
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double secs; |
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int hours, mins; |
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secs = val; |
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mins = (int)secs / 60; |
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secs = secs - mins * 60; |
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hours = mins / 60; |
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mins %= 60; |
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snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs); |
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} else if (use_value_prefix) { |
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const char *prefix_string; |
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int index; |
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if (unit == unit_byte_str && use_byte_value_binary_prefix) { |
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index = (int) (log(val)/log(2)) / 10; |
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index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1); |
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val /= pow(2, index*10); |
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prefix_string = binary_unit_prefixes[index]; |
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} else { |
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index = (int) (log10(val)) / 3; |
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index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1); |
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val /= pow(10, index*3); |
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prefix_string = decimal_unit_prefixes[index]; |
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} |
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snprintf(buf, buf_size, "%.3f%s%s%s", val, prefix_string || show_value_unit ? " " : "", |
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prefix_string, show_value_unit ? unit : ""); |
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} else { |
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snprintf(buf, buf_size, "%f%s%s", val, show_value_unit ? " " : "", |
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show_value_unit ? unit : ""); |
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} |
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return buf; |
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} |
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static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base) |
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{ |
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if (val == AV_NOPTS_VALUE) { |
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snprintf(buf, buf_size, "N/A"); |
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} else { |
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value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str); |
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} |
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return buf; |
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} |
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static char *ts_value_string (char *buf, int buf_size, int64_t ts) |
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{ |
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if (ts == AV_NOPTS_VALUE) { |
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snprintf(buf, buf_size, "N/A"); |
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} else { |
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snprintf(buf, buf_size, "%"PRId64, ts); |
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} |
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return buf; |
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} |
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struct writer { |
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const char *name; |
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const char *item_sep; ///< separator between key/value couples |
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const char *items_sep; ///< separator between sets of key/value couples |
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const char *section_sep; ///< separator between sections (streams, packets, ...) |
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const char *header, *footer; |
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void (*print_section_start)(const char *, int); |
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void (*print_section_end) (const char *, int); |
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void (*print_header)(const char *); |
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void (*print_footer)(const char *); |
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void (*print_integer)(const char *, int); |
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void (*print_string)(const char *, const char *); |
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void (*show_tags)(struct writer *w, AVDictionary *dict); |
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}; |
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/* JSON output */ |
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static void json_print_header(const char *section) |
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{ |
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printf("{\n"); |
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} |
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static char *json_escape_str(const char *s) |
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{ |
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static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0}; |
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static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0}; |
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char *ret, *p; |
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int i, len = 0; |
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// compute the length of the escaped string |
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for (i = 0; s[i]; i++) { |
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if (strchr(json_escape, s[i])) len += 2; // simple escape |
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else if ((unsigned char)s[i] < 32) len += 6; // handle non-printable chars |
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else len += 1; // char copy |
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} |
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p = ret = av_malloc(len + 1); |
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if (!p) |
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return NULL; |
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for (i = 0; s[i]; i++) { |
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char *q = strchr(json_escape, s[i]); |
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if (q) { |
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*p++ = '\\'; |
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*p++ = json_subst[q - json_escape]; |
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} else if ((unsigned char)s[i] < 32) { |
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snprintf(p, 7, "\\u00%02x", s[i] & 0xff); |
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p += 6; |
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} else { |
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*p++ = s[i]; |
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} |
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} |
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*p = 0; |
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return ret; |
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} |
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static void json_print_str(const char *key, const char *value) |
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{ |
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char *key_esc = json_escape_str(key); |
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char *value_esc = json_escape_str(value); |
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printf(" \"%s\": \"%s\"", |
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key_esc ? key_esc : "", |
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value_esc ? value_esc : ""); |
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av_free(key_esc); |
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av_free(value_esc); |
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} |
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static void json_print_int(const char *key, int value) |
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{ |
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char *key_esc = json_escape_str(key); |
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printf(" \"%s\": %d", key_esc ? key_esc : "", value); |
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av_free(key_esc); |
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} |
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static void json_print_footer(const char *section) |
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{ |
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printf("\n }"); |
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} |
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static void json_print_section_start(const char *section, int multiple_entries) |
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{ |
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char *section_esc = json_escape_str(section); |
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printf("\n \"%s\":%s", section_esc ? section_esc : "", |
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multiple_entries ? " [" : " "); |
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av_free(section_esc); |
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} |
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static void json_print_section_end(const char *section, int multiple_entries) |
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{ |
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if (multiple_entries) |
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printf("]"); |
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} |
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/* Default output */ |
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static void default_print_header(const char *section) |
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{ |
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printf("[%s]\n", section); |
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} |
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static void default_print_str(const char *key, const char *value) |
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{ |
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printf("%s=%s", key, value); |
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} |
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static void default_print_int(const char *key, int value) |
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{ |
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printf("%s=%d", key, value); |
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} |
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static void default_print_footer(const char *section) |
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{ |
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printf("\n[/%s]", section); |
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} |
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/* Print helpers */ |
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struct print_buf { |
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char *s; |
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int len; |
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}; |
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static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...) |
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{ |
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va_list va; |
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int len; |
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va_start(va, fmt); |
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len = vsnprintf(NULL, 0, fmt, va); |
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va_end(va); |
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if (len < 0) |
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goto fail; |
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if (pbuf->len < len) { |
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char *p = av_realloc(pbuf->s, len + 1); |
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if (!p) |
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goto fail; |
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pbuf->s = p; |
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pbuf->len = len; |
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} |
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va_start(va, fmt); |
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len = vsnprintf(pbuf->s, len + 1, fmt, va); |
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va_end(va); |
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if (len < 0) |
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goto fail; |
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return pbuf->s; |
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fail: |
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av_freep(&pbuf->s); |
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pbuf->len = 0; |
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return NULL; |
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} |
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#define print_fmt0(k, f, ...) do { \ |
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if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \ |
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w->print_string(k, pbuf.s); \ |
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} while (0) |
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#define print_fmt( k, f, ...) do { \ |
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if (w->item_sep) \ |
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printf("%s", w->item_sep); \ |
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print_fmt0(k, f, __VA_ARGS__); \ |
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} while (0) |
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#define print_int0(k, v) w->print_integer(k, v) |
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#define print_int( k, v) do { \ |
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if (w->item_sep) \ |
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printf("%s", w->item_sep); \ |
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print_int0(k, v); \ |
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} while (0) |
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#define print_str0(k, v) print_fmt0(k, "%s", v) |
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#define print_str( k, v) print_fmt (k, "%s", v) |
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static void show_packet(struct writer *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx) |
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{ |
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char val_str[128]; |
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AVStream *st = fmt_ctx->streams[pkt->stream_index]; |
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struct print_buf pbuf = {.s = NULL}; |
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if (packet_idx) |
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printf("%s", w->items_sep); |
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w->print_header("PACKET"); |
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print_str0("codec_type", av_x_if_null(av_get_media_type_string(st->codec->codec_type), "unknown")); |
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print_int("stream_index", pkt->stream_index); |
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print_str("pts", ts_value_string (val_str, sizeof(val_str), pkt->pts)); |
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print_str("pts_time", time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base)); |
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print_str("dts", ts_value_string (val_str, sizeof(val_str), pkt->dts)); |
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print_str("dts_time", time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base)); |
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print_str("duration", ts_value_string (val_str, sizeof(val_str), pkt->duration)); |
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print_str("duration_time", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base)); |
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print_str("size", value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str)); |
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print_fmt("pos", "%"PRId64, pkt->pos); |
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print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_'); |
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w->print_footer("PACKET"); |
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av_free(pbuf.s); |
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fflush(stdout); |
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} |
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static void show_packets(struct writer *w, AVFormatContext *fmt_ctx) |
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{ |
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AVPacket pkt; |
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int i = 0; |
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av_init_packet(&pkt); |
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while (!av_read_frame(fmt_ctx, &pkt)) |
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show_packet(w, fmt_ctx, &pkt, i++); |
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} |
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static void json_show_tags(struct writer *w, AVDictionary *dict) |
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{ |
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AVDictionaryEntry *tag = NULL; |
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struct print_buf pbuf = {.s = NULL}; |
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int first = 1; |
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if (!dict) |
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return; |
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printf(",\n \"tags\": {\n"); |
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while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) { |
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if (first) { |
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print_str0(tag->key, tag->value); |
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first = 0; |
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} else { |
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print_str(tag->key, tag->value); |
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} |
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} |
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printf("\n }"); |
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av_free(pbuf.s); |
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} |
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static void default_show_tags(struct writer *w, AVDictionary *dict) |
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{ |
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AVDictionaryEntry *tag = NULL; |
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struct print_buf pbuf = {.s = NULL}; |
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while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) { |
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printf("\nTAG:"); |
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print_str0(tag->key, tag->value); |
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} |
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av_free(pbuf.s); |
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} |
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static void show_stream(struct writer *w, AVFormatContext *fmt_ctx, int stream_idx) |
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{ |
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AVStream *stream = fmt_ctx->streams[stream_idx]; |
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AVCodecContext *dec_ctx; |
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AVCodec *dec; |
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char val_str[128]; |
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AVRational display_aspect_ratio; |
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struct print_buf pbuf = {.s = NULL}; |
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if (stream_idx) |
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printf("%s", w->items_sep); |
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w->print_header("STREAM"); |
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print_int0("index", stream->index); |
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if ((dec_ctx = stream->codec)) { |
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if ((dec = dec_ctx->codec)) { |
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print_str("codec_name", dec->name); |
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print_str("codec_long_name", dec->long_name); |
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} else { |
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print_str("codec_name", "unknown"); |
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} |
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print_str("codec_type", av_x_if_null(av_get_media_type_string(dec_ctx->codec_type), "unknown")); |
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print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den); |
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/* print AVI/FourCC tag */ |
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av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag); |
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print_str("codec_tag_string", val_str); |
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print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag); |
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switch (dec_ctx->codec_type) { |
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case AVMEDIA_TYPE_VIDEO: |
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print_int("width", dec_ctx->width); |
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print_int("height", dec_ctx->height); |
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print_int("has_b_frames", dec_ctx->has_b_frames); |
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if (dec_ctx->sample_aspect_ratio.num) { |
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print_fmt("sample_aspect_ratio", "%d:%d", |
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dec_ctx->sample_aspect_ratio.num, |
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dec_ctx->sample_aspect_ratio.den); |
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av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, |
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dec_ctx->width * dec_ctx->sample_aspect_ratio.num, |
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dec_ctx->height * dec_ctx->sample_aspect_ratio.den, |
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1024*1024); |
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print_fmt("display_aspect_ratio", "%d:%d", |
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display_aspect_ratio.num, |
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display_aspect_ratio.den); |
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} |
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print_str("pix_fmt", av_x_if_null(av_get_pix_fmt_name(dec_ctx->pix_fmt), "unknown")); |
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print_int("level", dec_ctx->level); |
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break; |
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case AVMEDIA_TYPE_AUDIO: |
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print_str("sample_rate", value_string(val_str, sizeof(val_str), dec_ctx->sample_rate, unit_hertz_str)); |
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print_int("channels", dec_ctx->channels); |
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print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id)); |
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break; |
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} |
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} else { |
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print_str("codec_type", "unknown"); |
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} |
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if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) |
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print_fmt("id=", "0x%x", stream->id); |
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print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den); |
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print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den); |
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print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den); |
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print_str("start_time", time_value_string(val_str, sizeof(val_str), stream->start_time, &stream->time_base)); |
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print_str("duration", time_value_string(val_str, sizeof(val_str), stream->duration, &stream->time_base)); |
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if (stream->nb_frames) |
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print_fmt("nb_frames", "%"PRId64, stream->nb_frames); |
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w->show_tags(w, stream->metadata); |
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w->print_footer("STREAM"); |
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av_free(pbuf.s); |
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fflush(stdout); |
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} |
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static void show_streams(struct writer *w, AVFormatContext *fmt_ctx) |
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{ |
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int i; |
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for (i = 0; i < fmt_ctx->nb_streams; i++) |
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show_stream(w, fmt_ctx, i); |
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} |
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static void show_format(struct writer *w, AVFormatContext *fmt_ctx) |
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{ |
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char val_str[128]; |
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struct print_buf pbuf = {.s = NULL}; |
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w->print_header("FORMAT"); |
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print_str0("filename", fmt_ctx->filename); |
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print_int("nb_streams", fmt_ctx->nb_streams); |
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print_str("format_name", fmt_ctx->iformat->name); |
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print_str("format_long_name", fmt_ctx->iformat->long_name); |
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print_str("start_time", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time, &AV_TIME_BASE_Q)); |
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print_str("duration", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration, &AV_TIME_BASE_Q)); |
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print_str("size", value_string(val_str, sizeof(val_str), fmt_ctx->file_size, unit_byte_str)); |
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print_str("bit_rate", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate, unit_bit_per_second_str)); |
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w->show_tags(w, fmt_ctx->metadata); |
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w->print_footer("FORMAT"); |
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av_free(pbuf.s); |
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fflush(stdout); |
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} |
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static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) |
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{ |
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int err, i; |
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AVFormatContext *fmt_ctx = NULL; |
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AVDictionaryEntry *t; |
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if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) { |
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print_error(filename, err); |
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return err; |
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} |
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if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
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av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key); |
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return AVERROR_OPTION_NOT_FOUND; |
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} |
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/* fill the streams in the format context */ |
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if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) { |
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print_error(filename, err); |
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return err; |
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} |
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av_dump_format(fmt_ctx, 0, filename, 0); |
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|
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/* bind a decoder to each input stream */ |
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for (i = 0; i < fmt_ctx->nb_streams; i++) { |
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AVStream *stream = fmt_ctx->streams[i]; |
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AVCodec *codec; |
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|
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if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) { |
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fprintf(stderr, "Unsupported codec with id %d for input stream %d\n", |
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stream->codec->codec_id, stream->index); |
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} else if (avcodec_open2(stream->codec, codec, NULL) < 0) { |
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fprintf(stderr, "Error while opening codec for input stream %d\n", |
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stream->index); |
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} |
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} |
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*fmt_ctx_ptr = fmt_ctx; |
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return 0; |
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} |
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|
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#define WRITER_FUNC(func) \ |
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.print_header = func ## _print_header, \ |
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.print_footer = func ## _print_footer, \ |
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.print_integer = func ## _print_int, \ |
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.print_string = func ## _print_str, \ |
|
.show_tags = func ## _show_tags |
|
|
|
static struct writer writers[] = {{ |
|
.name = "default", |
|
.item_sep = "\n", |
|
.items_sep = "\n", |
|
.section_sep = "\n", |
|
.footer = "\n", |
|
WRITER_FUNC(default), |
|
},{ |
|
.name = "json", |
|
.header = "{", |
|
.item_sep = ",\n", |
|
.items_sep = ",", |
|
.section_sep = ",", |
|
.footer = "\n}\n", |
|
.print_section_start = json_print_section_start, |
|
.print_section_end = json_print_section_end, |
|
WRITER_FUNC(json), |
|
} |
|
}; |
|
|
|
static int get_writer(const char *name) |
|
{ |
|
int i; |
|
if (!name) |
|
return 0; |
|
for (i = 0; i < FF_ARRAY_ELEMS(writers); i++) |
|
if (!strcmp(writers[i].name, name)) |
|
return i; |
|
return -1; |
|
} |
|
|
|
#define SECTION_PRINT(name, multiple_entries, left) do { \ |
|
if (do_show_ ## name) { \ |
|
if (w->print_section_start) \ |
|
w->print_section_start(#name, multiple_entries); \ |
|
show_ ## name (w, fmt_ctx); \ |
|
if (w->print_section_end) \ |
|
w->print_section_end(#name, multiple_entries); \ |
|
if (left) \ |
|
printf("%s", w->section_sep); \ |
|
} \ |
|
} while (0) |
|
|
|
static int probe_file(const char *filename) |
|
{ |
|
AVFormatContext *fmt_ctx; |
|
int ret, writer_id; |
|
struct writer *w; |
|
|
|
writer_id = get_writer(print_format); |
|
if (writer_id < 0) { |
|
fprintf(stderr, "Invalid output format '%s'\n", print_format); |
|
return AVERROR(EINVAL); |
|
} |
|
w = &writers[writer_id]; |
|
|
|
if ((ret = open_input_file(&fmt_ctx, filename))) |
|
return ret; |
|
|
|
if (w->header) |
|
printf("%s", w->header); |
|
|
|
SECTION_PRINT(packets, 1, do_show_streams || do_show_format); |
|
SECTION_PRINT(streams, 1, do_show_format); |
|
SECTION_PRINT(format, 0, 0); |
|
|
|
if (w->footer) |
|
printf("%s", w->footer); |
|
|
|
av_close_input_file(fmt_ctx); |
|
return 0; |
|
} |
|
|
|
static void show_usage(void) |
|
{ |
|
printf("Simple multimedia streams analyzer\n"); |
|
printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name); |
|
printf("\n"); |
|
} |
|
|
|
static int opt_format(const char *opt, const char *arg) |
|
{ |
|
iformat = av_find_input_format(arg); |
|
if (!iformat) { |
|
fprintf(stderr, "Unknown input format: %s\n", arg); |
|
return AVERROR(EINVAL); |
|
} |
|
return 0; |
|
} |
|
|
|
static void opt_input_file(void *optctx, const char *arg) |
|
{ |
|
if (input_filename) { |
|
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n", |
|
arg, input_filename); |
|
exit(1); |
|
} |
|
if (!strcmp(arg, "-")) |
|
arg = "pipe:"; |
|
input_filename = arg; |
|
} |
|
|
|
static int opt_help(const char *opt, const char *arg) |
|
{ |
|
const AVClass *class = avformat_get_class(); |
|
av_log_set_callback(log_callback_help); |
|
show_usage(); |
|
show_help_options(options, "Main options:\n", 0, 0); |
|
printf("\n"); |
|
av_opt_show2(&class, NULL, |
|
AV_OPT_FLAG_DECODING_PARAM, 0); |
|
return 0; |
|
} |
|
|
|
static int opt_pretty(const char *opt, const char *arg) |
|
{ |
|
show_value_unit = 1; |
|
use_value_prefix = 1; |
|
use_byte_value_binary_prefix = 1; |
|
use_value_sexagesimal_format = 1; |
|
return 0; |
|
} |
|
|
|
static const OptionDef options[] = { |
|
#include "cmdutils_common_opts.h" |
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "format" }, |
|
{ "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" }, |
|
{ "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" }, |
|
{ "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix}, |
|
"use binary prefixes for byte units" }, |
|
{ "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format}, |
|
"use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" }, |
|
{ "pretty", 0, {(void*)&opt_pretty}, |
|
"prettify the format of displayed values, make it more human readable" }, |
|
{ "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format}, "set the output printing format (available formats are: default, json)", "format" }, |
|
{ "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" }, |
|
{ "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" }, |
|
{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" }, |
|
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" }, |
|
{ "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"}, |
|
{ NULL, }, |
|
}; |
|
|
|
int main(int argc, char **argv) |
|
{ |
|
int ret; |
|
|
|
parse_loglevel(argc, argv, options); |
|
av_register_all(); |
|
init_opts(); |
|
#if CONFIG_AVDEVICE |
|
avdevice_register_all(); |
|
#endif |
|
|
|
show_banner(); |
|
parse_options(NULL, argc, argv, options, opt_input_file); |
|
|
|
if (!input_filename) { |
|
show_usage(); |
|
fprintf(stderr, "You have to specify one input file.\n"); |
|
fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'.\n", program_name); |
|
exit(1); |
|
} |
|
|
|
ret = probe_file(input_filename); |
|
|
|
return ret; |
|
}
|
|
|