2 * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 #include "write.cmdline.h"
26 #include "write_common.h"
32 struct check_wav_task
{
41 struct initial_delay_task
{
42 struct timeval start_time
;
46 static struct write_args_info conf
;
47 struct stdin_task sit
;
48 struct check_wav_task cwt
;
49 struct initial_delay_task idt
;
50 static struct writer_node_group
*wng
;
52 #define WAV_HEADER_LEN 44
55 * test if audio buffer contains a valid wave header
57 * \return If not, return -E_NO_WAV_HEADER, otherwise, return zero. If
58 * there is less than WAV_HEADER_LEN bytes awailable, return one.
60 static void check_wav_pre_select(__a_unused
struct sched
*s
, struct task
*t
)
62 struct check_wav_task
*wt
= t
->private_data
;
65 if (*wt
->loaded
< WAV_HEADER_LEN
) {
66 t
->ret
= *wt
->eof
? -E_PREMATURE_END
: 1;
70 wt
->samplerate
= 44100;
71 a
= (unsigned char*)wt
->buf
;
72 t
->ret
= -E_NO_WAV_HEADER
;
73 if (a
[0] != 'R' || a
[1] != 'I' || a
[2] != 'F' || a
[3] != 'F')
75 wt
->channels
= (unsigned) a
[22];
76 wt
->samplerate
= a
[24] + (a
[25] << 8) + (a
[26] << 16) + (a
[27] << 24);
77 *wt
->loaded
-= WAV_HEADER_LEN
;
78 memmove(wt
->buf
, wt
->buf
+ WAV_HEADER_LEN
, *wt
->loaded
);
79 t
->ret
= -E_WAV_HEADER_SUCCESS
;
80 PARA_INFO_LOG("channels: %d, sample rate: %d\n", wt
->channels
, wt
->samplerate
);
83 static void initial_delay_pre_select(struct sched
*s
, struct task
*t
)
85 struct initial_delay_task
*dt
= t
->private_data
;
89 if (!dt
->start_time
.tv_sec
&& !dt
->start_time
.tv_usec
)
91 t
->ret
= -E_DELAY_TIMEOUT
;
92 if (tv_diff(now
, &dt
->start_time
, &diff
) > 0)
95 if (tv_diff(&s
->timeout
, &diff
, NULL
) > 0)
99 void para_log(int ll
, const char* fmt
,...)
103 if (ll
< conf
.loglevel_arg
)
106 vfprintf(stderr
, fmt
, argp
);
110 static struct writer_node_group
*check_args(void)
112 int i
, ret
= -E_WRITE_SYNTAX
;
113 struct writer_node_group
*g
= NULL
;
115 if (conf
.list_writers_given
) {
118 char *tmp
= make_message("%s%s%s",
125 fprintf(stderr
, "%s\n", msg
);
129 if (conf
.start_time_given
) {
130 long unsigned sec
, usec
;
131 if (sscanf(conf
.start_time_arg
, "%lu:%lu",
134 idt
.start_time
.tv_sec
= sec
;
135 idt
.start_time
.tv_usec
= usec
;
137 if (!conf
.writer_given
) {
138 g
= setup_default_wng();
142 g
= wng_new(conf
.writer_given
);
143 ret
= -E_WRITE_SYNTAX
;
144 for (i
= 0; i
< conf
.writer_given
; i
++) {
146 g
->writer_nodes
[i
].conf
= check_writer_arg(
147 conf
.writer_arg
[i
], &writer_num
);
148 if (!g
->writer_nodes
[i
].conf
)
150 g
->writer_nodes
[i
].writer
= &writers
[writer_num
];
160 static void wng_event_handler(struct task
*t
)
162 struct writer_node_group
*g
= t
->private_data
;
164 PARA_INFO_LOG("%s\n", PARA_STRERROR(-t
->ret
));
170 static void idt_event_handler(struct task
*t
)
174 PARA_INFO_LOG("%s\n", PARA_STRERROR(-t
->ret
));
177 wng
->loaded
= &sit
.loaded
;
178 wng
->input_eof
= &sit
.eof
;
179 wng
->task
.event_handler
= wng_event_handler
;
180 wng
->channels
= &cwt
.channels
;
181 wng
->samplerate
= &cwt
.samplerate
;
184 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret
));
189 static void cwt_event_handler(struct task
*t
)
191 if (t
->ret
!= -E_NO_WAV_HEADER
&& t
->ret
!= -E_WAV_HEADER_SUCCESS
) {
192 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-t
->ret
));
195 PARA_INFO_LOG("%s\n", PARA_STRERROR(-t
->ret
));
197 // if (t->ret == -E_WAV_HEADER_SUCCESS) {
198 // conf.channels_arg = cwt.channels;
199 // conf.sample_rate_arg = cwt.sample_rate;
201 idt
.task
.pre_select
= initial_delay_pre_select
;
202 idt
.task
.private_data
= &idt
;
203 idt
.task
.event_handler
= idt_event_handler
;
204 sprintf(idt
.task
.status
, "initial_delay");
205 register_task(&idt
.task
);
208 int main(int argc
, char *argv
[])
210 int ret
= -E_WRITE_SYNTAX
;
213 write_cmdline_parser(argc
, argv
, &conf
);
214 init_supported_writers();
219 stdin_set_defaults(&sit
);
220 if (conf
.bufsize_given
)
221 sit
.bufsize
= conf
.bufsize_arg
;
222 sit
.buf
= para_malloc(sit
.bufsize
),
223 register_task(&sit
.task
);
225 cwt
.task
.pre_select
= check_wav_pre_select
;
226 cwt
.task
.private_data
= &cwt
;
227 cwt
.task
.event_handler
= cwt_event_handler
;
229 cwt
.loaded
= &sit
.loaded
;
231 sprintf(cwt
.task
.status
, "check wav");
232 register_task(&cwt
.task
);
234 s
.default_timeout
.tv_sec
= 1;
235 s
.default_timeout
.tv_usec
= 0;
240 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret
));