/*
- * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2008 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file write.c Paraslash's standalone wav/raw player */
+/** \file write.c Paraslash's standalone wav/raw player. */
#include <sys/types.h>
#include <dirent.h>
#include "fd.h"
#include "error.h"
-/** \cond */
INIT_WRITE_ERRLISTS;
-/** \endcond */
-/**
- * check if given buffer contains a valid wave header
- */
+/** Check if given buffer contains a valid wave header. */
struct check_wav_task {
- /** the buffer to check */
+ /** The buffer to check. */
char *buf;
- /** number of bytes loaded in \a buf */
+ /** Number of bytes loaded in \a buf. */
size_t *loaded;
- /** non-zero if end of file was reached */
- int *eof;
- /** number of channels specified in wav header given by \a buf */
+ /** Non-zero if an error occurred or end of file was reached. */
+ int *error;
+ /** Number of channels specified in wav header given by \a buf. */
unsigned channels;
- /** samplerate specified in wav header given by \a buf */
+ /** Sample rate specified in wav header given by \a buf. */
unsigned samplerate;
- /** the task structure for this task */
+ /** The task structure for this task. */
struct task task;
};
-/**
- * delay writing until given time
- */
+/** Delay writing until given time. */
struct initial_delay_task {
- /** the time the first data should be written out */
+ /** The time the first data should be written out. */
struct timeval start_time;
- /** the task structure for this task */
+ /** The task structure for this task. */
struct task task;
};
static struct initial_delay_task idt;
static struct writer_node_group *wng;
-/** length of a standard wav header */
+/** 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(__a_unused struct sched *s, struct task *t)
{
unsigned char *a;
if (*wt->loaded < WAV_HEADER_LEN) {
- t->ret = *wt->eof? -E_PREMATURE_END : 1;
+ t->ret = *wt->error? -E_PREMATURE_END : 1;
return;
}
wt->channels = 2;
{
struct writer_node_group *g = t->private_data;
- PARA_INFO_LOG("%s\n", PARA_STRERROR(-t->ret));
+ PARA_INFO_LOG("%s\n", para_strerror(-t->ret));
unregister_task(t);
wng_close(g);
}
{
int ret;
- PARA_INFO_LOG("%s\n", PARA_STRERROR(-t->ret));
+ PARA_INFO_LOG("%s\n", para_strerror(-t->ret));
unregister_task(t);
wng->buf = sit.buf;
wng->loaded = &sit.loaded;
- wng->input_eof = &sit.eof;
+ wng->input_error = &sit.error;
wng->task.event_handler = wng_event_handler;
wng->channels = &cwt.channels;
wng->samplerate = &cwt.samplerate;
ret = wng_open(wng);
if (ret < 0) {
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
exit(EXIT_FAILURE);
}
}
static void cwt_event_handler(struct task *t)
{
if (t->ret != -E_NO_WAV_HEADER && t->ret != -E_WAV_HEADER_SUCCESS) {
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-t->ret));
+ PARA_ERROR_LOG("%s\n", para_strerror(-t->ret));
exit(EXIT_FAILURE);
}
- PARA_INFO_LOG("%s\n", PARA_STRERROR(-t->ret));
+ PARA_INFO_LOG("%s\n", para_strerror(-t->ret));
unregister_task(t);
// if (t->ret == -E_WAV_HEADER_SUCCESS) {
// conf.channels_arg = cwt.channels;
}
/**
- * para_write's main function
+ * Para_write's main function.
*
- * \param argc the usual argument counter
- * \param argv the usual argument vector
+ * \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.
cwt.task.event_handler = cwt_event_handler;
cwt.buf = sit.buf;
cwt.loaded = &sit.loaded;
- cwt.eof = &sit.eof;
+ cwt.error = &sit.error;
sprintf(cwt.task.status, "check wav");
register_task(&cwt.task);
s.default_timeout.tv_sec = 1;
s.default_timeout.tv_usec = 0;
- ret = sched(&s);
+ ret = schedule(&s);
out:
if (ret < 0) {
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
ret = EXIT_FAILURE;
} else
ret = EXIT_SUCCESS;