2 * Copyright (C) 2008 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"
19 static struct afh_args_info conf
;
20 /** The list of all status items */
21 const char *status_item_list
[] = {STATUS_ITEM_ARRAY
};
24 INIT_STDERR_LOGGING(conf
.loglevel_arg
)
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 */
34 "%s: %lu: %lu\n" /* chunk time */
35 "%s: %lu\n", /* num chunks */
36 status_item_list
[SI_BITRATE
], afhi
->bitrate
,
37 status_item_list
[SI_FORMAT
], audio_format_name(audio_format_num
),
38 status_item_list
[SI_FREQUENCY
], afhi
->frequency
,
39 status_item_list
[SI_CHANNELS
], afhi
->channels
,
40 status_item_list
[SI_SECONDS_TOTAL
], afhi
->seconds_total
,
42 status_item_list
[SI_CHUNK_TIME
], (long unsigned)afhi
->chunk_tv
.tv_sec
,
43 (long unsigned)afhi
->chunk_tv
.tv_usec
,
44 status_item_list
[SI_NUM_CHUNKS
], afhi
->chunks_total
48 static void print_chunk_table(struct afh_info
*afhi
)
52 printf("chunk_table: ");
53 for (i
= 0; i
<= afhi
->chunks_total
; i
++)
54 printf("%u ", afhi
->chunk_table
[i
]);
58 static int cat_file(void *audio_file_data
, struct afh_info
*afhi
)
61 struct timeval stream_start
;
62 long unsigned i
, first_chunk
, last_chunk
;
67 if (conf
.begin_chunk_arg
< 0)
68 return -ERRNO_TO_PARA_ERROR(EINVAL
);
69 first_chunk
= conf
.begin_chunk_arg
;
71 if (conf
.end_chunk_given
) {
72 if (conf
.end_chunk_arg
< 0)
73 return -ERRNO_TO_PARA_ERROR(EINVAL
);
74 if (conf
.end_chunk_arg
>= afhi
->chunks_total
)
75 return -ERRNO_TO_PARA_ERROR(EINVAL
);
76 last_chunk
= conf
.end_chunk_arg
;
78 last_chunk
= afhi
->chunks_total
- 1;
79 if (!afhi
->chunks_total
)
81 afh_get_header(afhi
, audio_file_data
, &buf
, &size
);
82 if (size
&& first_chunk
&& !conf
.no_header_given
) {
83 PARA_INFO_LOG("writing audio file header (%zu bytes)\n", size
);
84 ret
= write(STDOUT_FILENO
, buf
, size
);
88 return -E_AFH_SHORT_WRITE
;
90 PARA_NOTICE_LOG("writing chunks %lu - %lu\n", first_chunk
, last_chunk
);
91 gettimeofday(&stream_start
, NULL
);
92 for (i
= first_chunk
; i
<= last_chunk
; i
++) {
93 struct timeval now
, diff
, next_chunk
;
94 afh_get_chunk(i
, afhi
, audio_file_data
, &buf
, &size
);
95 PARA_DEBUG_LOG("chunk %lu: size %zu\n", i
, size
);
96 if (conf
.just_in_time_given
) {
97 compute_chunk_time(i
- first_chunk
, &afhi
->chunk_tv
,
98 &stream_start
, &next_chunk
);
99 gettimeofday(&now
, NULL
);
100 ret
= tv_diff(&next_chunk
, &now
, &diff
);
102 ret
= para_select(1, NULL
, NULL
, &diff
);
107 PARA_INFO_LOG("writing chunk %lu\n", i
);
108 ret
= write(STDOUT_FILENO
, buf
, size
);
112 return -E_AFH_SHORT_WRITE
;
117 int main(int argc
, char **argv
)
119 int ret
, audio_format_num
;
120 void *audio_file_data
;
121 size_t audio_file_size
;
122 struct afh_info afhi
;
124 afh_cmdline_parser(argc
, argv
, &conf
);
125 HANDLE_VERSION_FLAG("afh", conf
);
127 if (conf
.inputs_num
!= 1)
130 ret
= mmap_full_file(conf
.inputs
[0], O_RDONLY
, &audio_file_data
,
131 &audio_file_size
, NULL
);
134 ret
= compute_afhi(conf
.inputs
[0], audio_file_data
, audio_file_size
, &afhi
);
137 audio_format_num
= ret
;
138 if (conf
.stream_given
)
139 ret
= cat_file(audio_file_data
, &afhi
);
141 print_info(audio_format_num
, &afhi
);
142 if (conf
.chunk_table_given
)
143 print_chunk_table(&afhi
);
148 PARA_ERROR_LOG("%s\n", para_strerror(-ret
));
149 return ret
< 0? EXIT_FAILURE
: EXIT_SUCCESS
;