/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
+/** \file write.c Paraslash's standalone wav/raw player. */
+
+#include <sys/types.h>
+#include <dirent.h>
+
#include "para.h"
#include "string.h"
#include "write.cmdline.h"
#include "list.h"
#include "sched.h"
+#include "ggo.h"
#include "stdin.h"
#include "write.h"
#include "write_common.h"
INIT_WRITE_ERRLISTS;
+/** Check if given buffer contains a valid wave header. */
struct check_wav_task {
+ /** The buffer to check. */
char *buf;
+ /** Number of bytes loaded in \a buf. */
size_t *loaded;
- int *eof;
+ /** Non-zero if an error occurred or end of file was reached. */
+ int *input_error;
+ /** Number of channels specified in wav header given by \a buf. */
unsigned channels;
- unsigned sample_rate;
+ /** Sample rate specified in wav header given by \a buf. */
+ unsigned samplerate;
+ /** The task structure used by the scheduler. */
struct task task;
};
+/** Delay writing until given time. */
struct initial_delay_task {
+ /** The time the first data should be written out. */
struct timeval start_time;
+ /** The task structure for this task. */
struct task task;
};
-struct gengetopt_args_info conf;
-struct stdin_task sit;
-struct check_wav_task cwt;
-struct initial_delay_task idt;
+static struct write_args_info conf;
+
+static struct stdin_task sit;
+
+static struct check_wav_task the_check_wav_task;
+static struct initial_delay_task the_initial_delay_task;
+
static struct writer_node_group *wng;
+/** Length of a standard wav header. */
#define WAV_HEADER_LEN 44
/**
- * test if audio buffer contains a valid wave header
+ * Test if audio buffer contains a valid wave header.
*
* \return If not, return -E_NO_WAV_HEADER, otherwise, return zero. If
- * there is less than WAV_HEADER_LEN bytes awailable, return one.
+ * there is less than WAV_HEADER_LEN bytes available, return one.
*/
-static void check_wav_pre_select(struct sched *s, struct task *t)
+static void check_wav_pre_select(__a_unused struct sched *s, struct task *t)
{
- struct check_wav_task *cwt = t->private_data;
+ struct check_wav_task *cwt = container_of(t, struct check_wav_task, task);
unsigned char *a;
+ int ret;
if (*cwt->loaded < WAV_HEADER_LEN) {
- t->ret = *cwt->eof? -E_PREMATURE_END : 1;
+ if (*cwt->input_error < 0)
+ t->error = *cwt->input_error;
return;
}
+ cwt->channels = 2;
+ cwt->samplerate = 44100;
a = (unsigned char*)cwt->buf;
- t->ret = -E_NO_WAV_HEADER;
- if (a[0] != 'R' || a[1] != 'I' || a[2] != 'F' || a[3] != 'F')
- return;
+ if (a[0] != 'R' || a[1] != 'I' || a[2] != 'F' || a[3] != 'F') {
+ PARA_NOTICE_LOG("wav header not found\n");
+ t->error = -E_NO_WAV_HEADER;
+ goto out;
+ }
cwt->channels = (unsigned) a[22];
- cwt->sample_rate = a[24] + (a[25] << 8) + (a[26] << 16) + (a[27] << 24);
+ cwt->samplerate = a[24] + (a[25] << 8) + (a[26] << 16) + (a[27] << 24);
*cwt->loaded -= WAV_HEADER_LEN;
memmove(cwt->buf, cwt->buf + WAV_HEADER_LEN, *cwt->loaded);
- t->ret = -E_WAV_HEADER_SUCCESS;
- PARA_INFO_LOG("channels: %d, sample_rate: %d\n", cwt->channels, cwt->sample_rate);
+ t->error = -E_WAV_HEADER_SUCCESS;
+ PARA_INFO_LOG("channels: %d, sample rate: %d\n", cwt->channels, cwt->samplerate);
+out:
+ wng->channels = &cwt->channels;
+ wng->samplerate = &cwt->samplerate;
+ ret = wng_open(wng);
+ if (ret < 0)
+ t->error = ret;
+ s->timeout.tv_sec = 0;
+ s->timeout.tv_usec = 1;
}
static void initial_delay_pre_select(struct sched *s, struct task *t)
{
- struct initial_delay_task *idt = t->private_data;
+ struct initial_delay_task *idt = container_of(t, struct initial_delay_task, task);
struct timeval diff;
- t->ret = -E_NO_DELAY;
- if (!idt->start_time.tv_sec && !idt->start_time.tv_usec)
- return;
- t->ret = -E_DELAY_TIMEOUT;
- if (tv_diff(&s->now, &idt->start_time, &diff) > 0)
- return;
- t->ret = 1;
+ if (!idt->start_time.tv_sec && !idt->start_time.tv_usec) {
+ t->error = -E_NO_DELAY;
+ goto register_check_wav;
+ }
+ if (tv_diff(now, &idt->start_time, &diff) > 0) {
+ t->error = -E_DELAY_TIMEOUT;
+ goto register_check_wav;
+ }
if (tv_diff(&s->timeout , &diff, NULL) > 0)
s->timeout = diff;
+ return;
+register_check_wav:
+ register_task(&the_check_wav_task.task);
+ s->timeout.tv_sec = 0;
+ s->timeout.tv_usec = 1;
}
-void para_log(int ll, const char* fmt,...)
-{
- va_list argp;
-
- if (ll < conf.loglevel_arg)
- return;
- va_start(argp, fmt);
- vfprintf(stderr, fmt, argp);
- va_end(argp);
-}
+static int loglevel;
+INIT_STDERR_LOGGING(loglevel)
static struct writer_node_group *check_args(void)
{
int i, ret = -E_WRITE_SYNTAX;
- struct writer_node_group *wng = NULL;
-
- if (conf.list_writers_given) {
- char *msg = NULL;
- FOR_EACH_WRITER(i) {
- char *tmp = make_message("%s%s%s",
- i? msg : "",
- i? " " : "",
- writer_names[i]);
- free(msg);
- msg = tmp;
- }
- fprintf(stderr, "%s\n", msg);
- free(msg);
- exit(EXIT_SUCCESS);
- }
- if (conf.prebuffer_arg < 0 || conf.prebuffer_arg > 100)
- goto out;
+ struct writer_node_group *g = NULL;
+ struct initial_delay_task *idt = &the_initial_delay_task;
+
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
if (conf.start_time_given) {
long unsigned sec, usec;
if (sscanf(conf.start_time_arg, "%lu:%lu",
&sec, &usec) != 2)
goto out;
- idt.start_time.tv_sec = sec;
- idt.start_time.tv_usec = usec;
+ idt->start_time.tv_sec = sec;
+ idt->start_time.tv_usec = usec;
}
if (!conf.writer_given) {
- wng = setup_default_wng();
+ g = setup_default_wng();
ret = 1;
goto out;
}
- wng = wng_new(conf.writer_given);
+ g = wng_new(conf.writer_given);
+ ret = -E_WRITE_SYNTAX;
for (i = 0; i < conf.writer_given; i++) {
- ret = check_writer_arg(conf.writer_arg[i]);
- if (ret < 0)
+ int writer_num;
+ g->writer_nodes[i].conf = check_writer_arg(
+ conf.writer_arg[i], &writer_num);
+ if (!g->writer_nodes[i].conf)
goto out;
- wng->writer_nodes[i].writer = &writers[ret];
- sprintf(wng->writer_nodes[i].task.status, "%s",
- writer_names[ret]);
+ g->writer_nodes[i].writer = &writers[writer_num];
}
ret = 1;
out:
- if (ret > 0) {
- return wng;
- }
- free(wng);
+ if (ret > 0)
+ return g;
+ free(g);
return NULL;
}
-static void idt_event_handler(struct task *t)
-{
- int ret;
-
- PARA_INFO_LOG("%s\n", PARA_STRERROR(-t->ret));
- unregister_task(t);
- wng->buf = sit.buf;
- wng->loaded = &sit.loaded;
- wng->eof = &sit.eof;
- sprintf(wng->task.status, "%s", "writer node group");
- ret = wng_open(wng);
- if (ret < 0) {
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
- exit(EXIT_FAILURE);
- }
-}
-
-static void cwt_event_handler(struct task *t)
+__noreturn static void print_help_and_die(void)
{
- if (t->ret != -E_NO_WAV_HEADER && t->ret != -E_WAV_HEADER_SUCCESS) {
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-t->ret));
- exit(EXIT_FAILURE);
- }
- PARA_INFO_LOG("%s\n", PARA_STRERROR(-t->ret));
- unregister_task(t);
- if (t->ret == -E_WAV_HEADER_SUCCESS) {
- conf.channels_arg = cwt.channels;
- conf.sample_rate_arg = cwt.sample_rate;
- }
- idt.task.pre_select = initial_delay_pre_select;
- idt.task.private_data = &idt;
- idt.task.event_handler = idt_event_handler;
- sprintf(idt.task.status, "initial_delay");
- register_task(&idt.task);
-}
-
-static void stdin_event_handler(struct task *t)
-{
- unregister_task(t);
- if (t->ret != -E_STDIN_EOF)
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-t->ret));
- else
- PARA_INFO_LOG("%s\n", PARA_STRERROR(-t->ret));
+ int d = conf.detailed_help_given;
+ const char **p = d? write_args_info_detailed_help
+ : write_args_info_help;
+
+ printf_or_die("%s\n\n", WRITE_CMDLINE_PARSER_PACKAGE "-"
+ WRITE_CMDLINE_PARSER_VERSION);
+ printf_or_die("%s\n\n", write_args_info_usage);
+ for (; *p; p++)
+ printf_or_die("%s\n", *p);
+ print_writer_helps(d);
+ exit(0);
}
+/**
+ * Para_write's main function.
+ *
+ * \param argc The usual argument counter.
+ * \param argv The usual argument vector.
+ *
+ * It registers the stdin task, the check_wav_task, the task for initial delay
+ * and all tasks for actually writing out the stream.
+ *
+ * \return \p EXIT_SUCCESS or EXIT_FAILURE
+ */
int main(int argc, char *argv[])
{
int ret = -E_WRITE_SYNTAX;
- struct sched s;
+ static struct sched s;
+ struct check_wav_task *cwt = &the_check_wav_task;
+ struct initial_delay_task *idt = &the_initial_delay_task;
+
+ writer_init();
+ write_cmdline_parser(argc, argv, &conf);
+ HANDLE_VERSION_FLAG("write", conf);
+ if (conf.help_given || conf.detailed_help_given)
+ print_help_and_die();
- cmdline_parser(argc, argv, &conf);
wng = check_args();
if (!wng)
goto out;
- init_supported_writers();
- init_sched();
-
- sit.bufsize = 16 * 1024,
- sit.buf = para_malloc(16 * 1024),
- sit.loaded = 0,
- sit.task.pre_select = stdin_pre_select;
- sit.task.post_select = stdin_post_select;
- sit.task.event_handler = stdin_event_handler;
- sit.task.private_data = &sit;
- sprintf(sit.task.status, "stdin reader");
+ stdin_set_defaults(&sit);
+ ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+ if (conf.bufsize_arg < 0)
+ goto out;
+ if (conf.bufsize_arg >= INT_MAX / 1024)
+ goto out;
+ sit.bufsize = conf.bufsize_arg * 1024;
+ sit.buf = para_malloc(sit.bufsize);
+
+ wng->buf = sit.buf;
+ wng->loaded = &sit.loaded;
+ wng->input_error = &sit.task.error;
+
register_task(&sit.task);
- cwt.task.pre_select = check_wav_pre_select;
- cwt.task.private_data = &cwt;
- cwt.task.event_handler = cwt_event_handler;
- cwt.buf = sit.buf;
- cwt.loaded = &sit.loaded;
- cwt.eof = &sit.eof;
- sprintf(cwt.task.status, "check wav");
- register_task(&cwt.task);
+ cwt->buf = sit.buf;
+ cwt->loaded = &sit.loaded;
+ cwt->input_error = &sit.task.error;
+ sprintf(cwt->task.status, "check wav");
+ cwt->task.pre_select = check_wav_pre_select;
- s.default_timeout.tv_sec = 1;
- s.default_timeout.tv_usec = 0;
- ret = sched(&s);
+ idt->task.pre_select = initial_delay_pre_select;
+ sprintf(idt->task.status, "initial_delay");
+ register_task(&idt->task);
+ s.default_timeout.tv_sec = 10;
+ s.default_timeout.tv_usec = 0;
+ ret = schedule(&s);
+ wng_close(wng);
out:
if (ret < 0) {
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
- ret = EXIT_FAILURE;
- } else
- ret = EXIT_SUCCESS;
- return ret;
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+ exit(EXIT_FAILURE);
+ }
+ exit(EXIT_SUCCESS);
}
projects / paraslash.git / blobdiff