Merge branch 't/oggdec_latency_improvements'
[paraslash.git] / afh.c
1 /*
2 * Copyright (C) 2008-2014 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 #include "ggo.h"
19
20 static struct afh_args_info conf;
21 INIT_AFH_ERRLISTS;
22
23 static int loglevel;
24 INIT_STDERR_LOGGING(loglevel)
25
26 static void print_info(int audio_format_num, struct afh_info *afhi)
27 {
28 char *msg;
29
30 afh_get_afhi_txt(audio_format_num, afhi, &msg);
31 printf("%s", msg);
32 free(msg);
33 }
34
35 static void print_chunk_table(struct afh_info *afhi)
36 {
37 int i;
38
39 if (conf.parser_friendly_given) {
40 printf("chunk_table: ");
41 for (i = 0; i <= afhi->chunks_total; i++)
42 printf("%u ", afhi->chunk_table[i]);
43 printf("\n");
44 return;
45 }
46 for (i = 1; i <= afhi->chunks_total; i++) {
47 struct timeval tv;
48 long unsigned from, to;
49 tv_scale(i - 1, &afhi->chunk_tv, &tv);
50 from = tv2ms(&tv);
51 tv_scale(i, &afhi->chunk_tv, &tv);
52 to = tv2ms(&tv);
53 printf("%d [%lu.%03lu - %lu.%03lu] %u - %u (%u)\n", i - 1,
54 from / 1000, from % 1000, to / 1000, to % 1000,
55 afhi->chunk_table[i - 1], afhi->chunk_table[i],
56 afhi->chunk_table[i] - afhi->chunk_table[i - 1]);
57 }
58 }
59
60 __noreturn static void print_help_and_die(void)
61 {
62 struct ggo_help h = DEFINE_GGO_HELP(afh);
63 int d = conf.detailed_help_given;
64 unsigned flags = d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS;
65
66 ggo_print_help(&h, flags);
67 printf("supported audio formats: %s\n", AUDIO_FORMAT_HANDLERS);
68 exit(EXIT_SUCCESS);
69 }
70
71 /**
72 * The main function of para_afh.
73 *
74 * \param argc Usual argument count.
75 * \param argv Usual argument vector.
76 *
77 * \return \p EXIT_FAILURE or \p EXIT_SUCCESS.
78 */
79 int main(int argc, char **argv)
80 {
81 int i, ret, audio_format_num, fd;
82 void *audio_file_data;
83 size_t audio_file_size;
84 struct afh_info afhi;
85
86 afh_cmdline_parser(argc, argv, &conf);
87 loglevel = get_loglevel_by_name(conf.loglevel_arg);
88 version_handle_flag("afh", conf.version_given);
89 if (conf.help_given || conf.detailed_help_given)
90 print_help_and_die();
91 afh_init();
92 ret = -E_AFH_SYNTAX;
93 if (conf.inputs_num == 0)
94 goto out;
95 for (i = 0; i < conf.inputs_num; i++) {
96 int ret2;
97 ret = mmap_full_file(conf.inputs[i], O_RDONLY, &audio_file_data,
98 &audio_file_size, &fd);
99 if (ret < 0) {
100 PARA_ERROR_LOG("failed to mmap \"%s\"\n", conf.inputs[i]);
101 goto out;
102 }
103 ret = compute_afhi(conf.inputs[i], audio_file_data, audio_file_size,
104 fd, &afhi);
105 if (ret < 0)
106 goto out;
107
108 audio_format_num = ret;
109 printf("File %d: %s\n", i + 1, conf.inputs[i]);
110 print_info(audio_format_num, &afhi);
111 if (conf.chunk_table_given)
112 print_chunk_table(&afhi);
113 printf("\n");
114 clear_afhi(&afhi);
115 ret2 = para_munmap(audio_file_data, audio_file_size);
116 if (ret2 < 0 && ret >= 0)
117 ret = ret2;
118 if (ret < 0)
119 break;
120 }
121 out:
122 if (ret < 0)
123 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
124 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
125 }