afh.c

   1 /*
   2  * Copyright (C) 2008-2013 Andre Noll <maan@systemlinux.org>
   3  *
   4  * Licensed under the GPL v2. For licencing details see COPYING.
   5  */
   6
   7 /** \file afh.c Paraslash's standalone audio format handler tool. */
   8
   9 #include <regex.h>
  10
  11 #include "para.h"
  12 #include "string.h"
  13 #include "afh.cmdline.h"
  14 #include "fd.h"
  15 #include "afh.h"
  16 #include "error.h"
  17 #include "version.h"
  18
  19 static struct afh_args_info conf;
  20 INIT_AFH_ERRLISTS;
  21
  22 static int loglevel;
  23 INIT_STDERR_LOGGING(loglevel)
  24
  25 static void print_info(int audio_format_num, struct afh_info *afhi)
  26 {
  27         char *msg;
  28
  29         afh_get_afhi_txt(audio_format_num, afhi, &msg);
  30         printf("%s", msg);
  31         free(msg);
  32 }
  33
  34 static void print_chunk_table(struct afh_info *afhi)
  35 {
  36         int i;
  37
  38         if (conf.parser_friendly_given) {
  39                 printf("chunk_table: ");
  40                 for (i = 0; i <= afhi->chunks_total; i++)
  41                         printf("%u ", afhi->chunk_table[i]);
  42                 printf("\n");
  43                 return;
  44         }
  45         for (i = 1; i <= afhi->chunks_total; i++) {
  46                 struct timeval tv;
  47                 long unsigned from, to;
  48                 tv_scale(i - 1, &afhi->chunk_tv, &tv);
  49                 from = tv2ms(&tv);
  50                 tv_scale(i, &afhi->chunk_tv, &tv);
  51                 to = tv2ms(&tv);
  52                 printf("%d [%lu.%03lu - %lu.%03lu] %u - %u (%u)\n", i - 1,
  53                         from / 1000, from % 1000, to / 1000, to % 1000,
  54                         afhi->chunk_table[i - 1], afhi->chunk_table[i],
  55                         afhi->chunk_table[i] - afhi->chunk_table[i - 1]);
  56         }
  57 }
  58
  59 /**
  60  * The main function of para_afh.
  61  *
  62  * \param argc Usual argument count.
  63  * \param argv Usual argument vector.
  64  *
  65  * \return \p EXIT_FAILURE or \p EXIT_SUCCESS.
  66  */
  67 int main(int argc, char **argv)
  68 {
  69         int i, ret, audio_format_num, fd;
  70         void *audio_file_data;
  71         size_t audio_file_size;
  72         struct afh_info afhi;
  73
  74         afh_cmdline_parser(argc, argv, &conf);
  75         loglevel = get_loglevel_by_name(conf.loglevel_arg);
  76         HANDLE_VERSION_FLAG("afh", conf);
  77         ret = -E_AFH_SYNTAX;
  78         if (conf.inputs_num == 0)
  79                 goto out;
  80         afh_init();
  81         for (i = 0; i < conf.inputs_num; i++) {
  82                 int ret2;
  83                 ret = mmap_full_file(conf.inputs[i], O_RDONLY, &audio_file_data,
  84                         &audio_file_size, &fd);
  85                 if (ret < 0) {
  86                         PARA_ERROR_LOG("failed to mmap \"%s\"\n", conf.inputs[i]);
  87                         goto out;
  88                 }
  89                 ret = compute_afhi(conf.inputs[i], audio_file_data, audio_file_size,
  90                         fd, &afhi);
  91                 if (ret < 0)
  92                         goto out;
  93
  94                 audio_format_num = ret;
  95                 printf("File %d: %s\n", i + 1, conf.inputs[i]);
  96                 print_info(audio_format_num, &afhi);
  97                 if (conf.chunk_table_given)
  98                         print_chunk_table(&afhi);
  99                 printf("\n");
 100                 clear_afhi(&afhi);
 101                 ret2 = para_munmap(audio_file_data, audio_file_size);
 102                 if (ret2 < 0 && ret >= 0)
 103                         ret = ret2;
 104                 if (ret < 0)
 105                         break;
 106         }
 107 out:
 108         if (ret < 0)
 109                 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
 110         return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
 111 }