2 * Copyright (C) 2008-2012 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. */
14 #include "afh.cmdline.h"
20 static struct afh_args_info conf;
24 INIT_STDERR_LOGGING(loglevel)
26 static void print_info(int audio_format_num, struct afh_info *afhi)
28 printf("%s: %dkbit/s\n" /* bitrate */
29 "%s: %s\n" /* format */
30 "%s: %dHz\n" /* frequency */
31 "%s: %d\n" /* channels */
32 "%s: %lu\n" /* seconds total */
33 "%s: %lu: %lu\n" /* chunk time */
34 "%s: %lu\n" /* num chunks */
35 "%s: %s\n" /* techinfo */
36 "%s: %s\n" /* artist */
37 "%s: %s\n" /* title */
39 "%s: %s\n" /* album */
40 "%s: %s\n", /* comment */
41 status_item_list[SI_BITRATE], afhi->bitrate,
42 status_item_list[SI_FORMAT], audio_format_name(audio_format_num),
43 status_item_list[SI_FREQUENCY], afhi->frequency,
44 status_item_list[SI_CHANNELS], afhi->channels,
45 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
46 status_item_list[SI_CHUNK_TIME], (long unsigned)afhi->chunk_tv.tv_sec,
47 (long unsigned)afhi->chunk_tv.tv_usec,
48 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total,
49 status_item_list[SI_TECHINFO], afhi->techinfo? afhi->techinfo : "",
50 status_item_list[SI_ARTIST], afhi->tags.artist? afhi->tags.artist : "",
51 status_item_list[SI_TITLE], afhi->tags.title? afhi->tags.title : "",
52 status_item_list[SI_YEAR], afhi->tags.year? afhi->tags.year : "",
53 status_item_list[SI_ALBUM], afhi->tags.album? afhi->tags.album : "",
54 status_item_list[SI_COMMENT], afhi->tags.comment? afhi->tags.comment : ""
58 static void print_chunk_table(struct afh_info *afhi)
62 if (!conf.human_given) {
63 printf("chunk_table: ");
64 for (i = 0; i <= afhi->chunks_total; i++)
65 printf("%u ", afhi->chunk_table[i]);
69 for (i = 1; i <= afhi->chunks_total; i++) {
71 long unsigned from, to;
72 tv_scale(i - 1, &afhi->chunk_tv, &tv);
74 tv_scale(i, &afhi->chunk_tv, &tv);
76 printf("%d [%lu.%03lu - %lu.%03lu] %u - %u (%u)\n", i - 1,
77 from / 1000, from % 1000, to / 1000, to % 1000,
78 afhi->chunk_table[i - 1], afhi->chunk_table[i],
79 afhi->chunk_table[i] - afhi->chunk_table[i - 1]);
83 static int cat_file(struct afh_info *afhi, int audio_format_id,
84 void *audio_file_data, size_t audio_file_size)
87 struct timeval stream_start;
88 long unsigned i, first_chunk, last_chunk;
93 if (conf.begin_chunk_arg < 0) {
94 if (-conf.begin_chunk_arg > afhi->chunks_total)
95 return -ERRNO_TO_PARA_ERROR(EINVAL);
96 first_chunk = afhi->chunks_total + conf.begin_chunk_arg;
98 first_chunk = conf.begin_chunk_arg;
99 if (conf.end_chunk_given) {
100 if (conf.end_chunk_arg < 0) {
101 if (-conf.end_chunk_arg > afhi->chunks_total)
102 return -ERRNO_TO_PARA_ERROR(EINVAL);
103 last_chunk = afhi->chunks_total + conf.end_chunk_arg;
105 if (conf.end_chunk_arg >= afhi->chunks_total)
106 return -ERRNO_TO_PARA_ERROR(EINVAL);
107 last_chunk = conf.end_chunk_arg;
110 last_chunk = afhi->chunks_total - 1;
111 if (first_chunk >= last_chunk)
112 return -ERRNO_TO_PARA_ERROR(EINVAL);
113 if (!afhi->chunks_total)
115 /* eliminate the possibility of short writes */
116 ret = mark_fd_blocking(STDOUT_FILENO);
119 if (first_chunk > 0 && !conf.no_header_given) {
120 afh_get_header(afhi, audio_format_id, audio_file_data, audio_file_size,
123 PARA_INFO_LOG("writing header (%zu bytes)\n", size);
124 ret = write_all(STDOUT_FILENO, header, size);
125 afh_free_header(header, audio_format_id);
129 return -E_AFH_SHORT_WRITE;
132 PARA_NOTICE_LOG("writing chunks %lu - %lu\n", first_chunk, last_chunk);
133 gettimeofday(&stream_start, NULL);
134 for (i = first_chunk; i <= last_chunk; i++) {
135 struct timeval now, diff, next_chunk;
136 afh_get_chunk(i, afhi, audio_file_data, &buf, &size);
137 PARA_DEBUG_LOG("chunk %lu: size %zu\n", i, size);
138 if (conf.just_in_time_given) {
139 compute_chunk_time(i - first_chunk, &afhi->chunk_tv,
140 &stream_start, &next_chunk);
141 gettimeofday(&now, NULL);
142 ret = tv_diff(&next_chunk, &now, &diff);
144 ret = para_select(1, NULL, NULL, &diff);
151 PARA_INFO_LOG("writing chunk %lu\n", i);
152 ret = write_all(STDOUT_FILENO, buf, size);
160 * The main function of para_afh.
162 * \param argc Usual argument count.
163 * \param argv Usual argument vector.
165 * \return \p EXIT_FAILURE or \p EXIT_SUCCESS.
167 int main(int argc, char **argv)
169 int i, ret, audio_format_num, fd;
170 void *audio_file_data;
171 size_t audio_file_size;
172 struct afh_info afhi;
174 afh_cmdline_parser(argc, argv, &conf);
175 HANDLE_VERSION_FLAG("afh", conf);
176 loglevel = get_loglevel_by_name(conf.loglevel_arg);
178 if (conf.inputs_num == 0)
180 if (conf.stream_given && conf.inputs_num != 1)
183 for (i = 0; i < conf.inputs_num; i++) {
185 ret = mmap_full_file(conf.inputs[i], O_RDONLY, &audio_file_data,
186 &audio_file_size, &fd);
188 PARA_ERROR_LOG("failed to mmap \"%s\"\n", conf.inputs[i]);
191 ret = compute_afhi(conf.inputs[i], audio_file_data, audio_file_size,
196 audio_format_num = ret;
197 if (conf.stream_given)
198 ret = cat_file(&afhi, audio_format_num,
199 audio_file_data, audio_file_size);
201 printf("File %d: %s\n", i + 1, conf.inputs[i]);
202 print_info(audio_format_num, &afhi);
203 if (conf.chunk_table_given)
204 print_chunk_table(&afhi);
208 ret2 = para_munmap(audio_file_data, audio_file_size);
209 if (ret2 < 0 && ret >= 0)
216 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
217 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;