2 * Copyright (C) 2008-2009 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file afh.c Paraslash's standalone audio format handler tool. */
15 #include "afh.cmdline.h"
20 static struct afh_args_info conf;
21 /** The list of all status items */
22 const char *status_item_list[] = {STATUS_ITEM_ARRAY};
27 INIT_STDERR_LOGGING(loglevel)
29 static void print_info(int audio_format_num, struct afh_info *afhi)
31 printf("%s: %dkbit/s\n" /* bitrate */
32 "%s: %s\n" /* format */
33 "%s: %dHz\n" /* frequency */
34 "%s: %d\n" /* channels */
35 "%s: %lu\n" /* seconds total */
36 "%s: %lu: %lu\n" /* chunk time */
37 "%s: %lu\n" /* num chunks */
38 "%s: %s\n" /* techinfo */
39 "%s: %s\n" /* artist */
40 "%s: %s\n" /* title */
42 "%s: %s\n" /* album */
43 "%s: %s\n", /* comment */
44 status_item_list[SI_BITRATE], afhi->bitrate,
45 status_item_list[SI_FORMAT], audio_format_name(audio_format_num),
46 status_item_list[SI_FREQUENCY], afhi->frequency,
47 status_item_list[SI_CHANNELS], afhi->channels,
48 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
49 status_item_list[SI_CHUNK_TIME], (long unsigned)afhi->chunk_tv.tv_sec,
50 (long unsigned)afhi->chunk_tv.tv_usec,
51 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total,
52 status_item_list[SI_TECHINFO], afhi->techinfo? afhi->techinfo : "",
53 status_item_list[SI_ARTIST], afhi->tags.artist? afhi->tags.artist : "",
54 status_item_list[SI_TITLE], afhi->tags.title? afhi->tags.title : "",
55 status_item_list[SI_YEAR], afhi->tags.year? afhi->tags.year : "",
56 status_item_list[SI_ALBUM], afhi->tags.album? afhi->tags.album : "",
57 status_item_list[SI_COMMENT], afhi->tags.comment? afhi->tags.comment : ""
61 static void print_chunk_table(struct afh_info *afhi)
65 if (!conf.human_given) {
66 printf("chunk_table: ");
67 for (i = 0; i <= afhi->chunks_total; i++)
68 printf("%u ", afhi->chunk_table[i]);
72 for (i = 1; i <= afhi->chunks_total; i++) {
74 long unsigned from, to;
75 tv_scale(i - 1, &afhi->chunk_tv, &tv);
77 tv_scale(i, &afhi->chunk_tv, &tv);
79 printf("%d [%lu.%03lu - %lu.%03lu] %u - %u (%u)\n", i,
80 from / 1000, from % 1000, to / 1000, to % 1000,
81 afhi->chunk_table[i - 1], afhi->chunk_table[i],
82 afhi->chunk_table[i] - afhi->chunk_table[i - 1]);
86 static int cat_file(void *audio_file_data, struct afh_info *afhi)
89 struct timeval stream_start;
90 long unsigned i, first_chunk, last_chunk;
95 if (conf.begin_chunk_arg < 0) {
96 if (-conf.begin_chunk_arg > afhi->chunks_total)
97 return -ERRNO_TO_PARA_ERROR(EINVAL);
98 first_chunk = afhi->chunks_total + conf.begin_chunk_arg;
100 first_chunk = conf.begin_chunk_arg;
101 if (conf.end_chunk_given) {
102 if (conf.end_chunk_arg < 0) {
103 if (-conf.end_chunk_arg > afhi->chunks_total)
104 return -ERRNO_TO_PARA_ERROR(EINVAL);
105 last_chunk = afhi->chunks_total + conf.end_chunk_arg;
107 if (conf.end_chunk_arg >= afhi->chunks_total)
108 return -ERRNO_TO_PARA_ERROR(EINVAL);
109 last_chunk = conf.end_chunk_arg;
112 last_chunk = afhi->chunks_total - 1;
113 if (first_chunk >= last_chunk)
114 return -ERRNO_TO_PARA_ERROR(EINVAL);
115 if (!afhi->chunks_total)
117 afh_get_header(afhi, audio_file_data, &buf, &size);
118 if (size && first_chunk && !conf.no_header_given) {
119 PARA_INFO_LOG("writing audio file header (%zu bytes)\n", size);
120 ret = write(STDOUT_FILENO, buf, size);
124 return -E_AFH_SHORT_WRITE;
126 PARA_NOTICE_LOG("writing chunks %lu - %lu\n", first_chunk, last_chunk);
127 gettimeofday(&stream_start, NULL);
128 for (i = first_chunk; i <= last_chunk; i++) {
129 struct timeval now, diff, next_chunk;
130 afh_get_chunk(i, afhi, audio_file_data, &buf, &size);
131 PARA_DEBUG_LOG("chunk %lu: size %zu\n", i, size);
132 if (conf.just_in_time_given) {
133 compute_chunk_time(i - first_chunk, &afhi->chunk_tv,
134 &stream_start, &next_chunk);
135 gettimeofday(&now, NULL);
136 ret = tv_diff(&next_chunk, &now, &diff);
138 ret = para_select(1, NULL, NULL, &diff);
145 PARA_INFO_LOG("writing chunk %lu\n", i);
146 ret = write_all(STDOUT_FILENO, buf, &size);
154 * The main function of para_afh.
156 * \param argc Usual argument count.
157 * \param argv Usual argument vector.
159 * \return \p EXIT_FAILURE or \p EXIT_SUCCESS.
161 int main(int argc, char **argv)
163 int i, ret, audio_format_num, fd;
164 void *audio_file_data;
165 size_t audio_file_size;
166 struct afh_info afhi;
168 afh_cmdline_parser(argc, argv, &conf);
169 HANDLE_VERSION_FLAG("afh", conf);
170 loglevel = get_loglevel_by_name(conf.loglevel_arg);
172 if (conf.inputs_num == 0)
174 if (conf.stream_given && conf.inputs_num != 1)
177 for (i = 0; i < conf.inputs_num; i++) {
179 ret = mmap_full_file(conf.inputs[i], O_RDONLY, &audio_file_data,
180 &audio_file_size, &fd);
183 ret = compute_afhi(conf.inputs[i], audio_file_data, audio_file_size,
187 audio_format_num = ret;
188 if (conf.stream_given)
189 ret = cat_file(audio_file_data, &afhi);
191 printf("File %d: %s\n", i + 1, conf.inputs[i]);
192 print_info(audio_format_num, &afhi);
193 if (conf.chunk_table_given)
194 print_chunk_table(&afhi);
196 free(afhi.tags.artist);
197 free(afhi.tags.title);
198 free(afhi.tags.year);
199 free(afhi.tags.album);
200 free(afhi.tags.comment);
201 free(afhi.chunk_table);
204 ret2 = para_munmap(audio_file_data, audio_file_size);
205 if (ret2 < 0 && ret >= 0)
212 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
213 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;