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));