-/*
- * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/** \file write.c Paraslash's standalone wav/raw player. */
+#include <regex.h>
#include <sys/types.h>
-#include <dirent.h>
+#include <lopsub.h>
+#include "write_cmd.lsg.h"
+#include "write.lsg.h"
#include "para.h"
#include "string.h"
-#include "write.cmdline.h"
#include "list.h"
#include "sched.h"
-#include "ggo.h"
#include "stdin.h"
+#include "buffer_tree.h"
#include "write.h"
-#include "write_common.h"
#include "fd.h"
#include "error.h"
+#include "version.h"
+#include "check_wav.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;
- /** 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;
- /** Sample rate specified in wav header given by \a buf. */
- unsigned samplerate;
- /** The task structure used by the scheduler. */
- struct task task;
-};
+/** Array of error strings. */
+DEFINE_PARA_ERRLIST;
-/** 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;
-};
-
-static struct write_args_info conf;
+#define CMD_PTR (lls_cmd(0, write_suite))
+#define OPT_RESULT(_name, _lpr) \
+ (lls_opt_result(LSG_WRITE_PARA_WRITE_OPT_ ## _name, _lpr))
+#define OPT_GIVEN(_name, _lpr) (lls_opt_given(OPT_RESULT(_name, _lpr)))
+#define OPT_UINT32_VAL(_name, _lpr) (lls_uint32_val(0, OPT_RESULT(_name, _lpr)))
static struct stdin_task sit;
+static int loglevel;
+INIT_STDERR_LOGGING(loglevel)
-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.
- *
- * \return If not, return -E_NO_WAV_HEADER, otherwise, return zero. If
- * 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)
+static void handle_help_flag(struct lls_parse_result *lpr)
{
- struct check_wav_task *cwt = container_of(t, struct check_wav_task, task);
- unsigned char *a;
- int ret;
+ char *help;
- if (*cwt->loaded < WAV_HEADER_LEN) {
- if (*cwt->input_error < 0)
- t->error = *cwt->input_error;
+ if (OPT_GIVEN(DETAILED_HELP, lpr))
+ help = lls_long_help(CMD_PTR);
+ else if (OPT_GIVEN(HELP, lpr))
+ help = lls_short_help(CMD_PTR);
+ else
return;
- }
- cwt->channels = 2;
- cwt->samplerate = 44100;
- a = (unsigned char*)cwt->buf;
- 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->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->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;
+ printf("%s\n", help);
+ free(help);
+ print_writer_helps(OPT_GIVEN(DETAILED_HELP, lpr));
+ exit(EXIT_SUCCESS);
}
-static void initial_delay_pre_select(struct sched *s, struct task *t)
-{
- struct initial_delay_task *idt = container_of(t, struct initial_delay_task, task);
- struct timeval diff;
+struct write_task {
+ struct task *task;
+ struct check_wav_context *cwc;
+};
- 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;
+static void write_pre_select(struct sched *s, void *context)
+{
+ struct write_task *wt = context;
+ check_wav_pre_select(s, wt->cwc);
}
-static int loglevel;
-INIT_STDERR_LOGGING(loglevel)
+static int write_post_select(__a_unused struct sched *s, void *context)
+{
+ struct write_task *wt = context;
+ return check_wav_post_select(wt->cwc);
+}
-static struct writer_node_group *check_args(void)
+static int setup_and_schedule(struct lls_parse_result *lpr)
{
- int i, ret = -E_WRITE_SYNTAX;
- 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;
+ int i, n, ret, writer_given = OPT_GIVEN(WRITER, lpr);
+ struct btr_node *cw_btrn;
+ struct writer_node *wns;
+ static struct sched s;
+ struct wav_params wp;
+ struct write_task wt;
+
+ sit.btrn = btr_new_node(&(struct btr_node_description)
+ EMBRACE(.name = "stdin"));
+ stdin_task_register(&sit, &s);
+
+ LLS_COPY_WAV_PARMS(&wp, LSG_WRITE_PARA_WRITE, lpr);
+ wt.cwc = check_wav_init(sit.btrn, NULL, &wp, &cw_btrn);
+ wt.task = task_register(&(struct task_info) {
+ .name = "write",
+ .pre_select = write_pre_select,
+ .post_select = write_post_select,
+ .context = &wt,
+ }, &s);
+
+ n = writer_given? writer_given : 1;
+ wns = para_calloc(n * sizeof(*wns));
+ for (i = 0; i < n; i++) {
+ const char *arg = i < writer_given?
+ lls_string_val(i, OPT_RESULT(WRITER, lpr)) : NULL;
+ wns[i].wid = check_writer_arg_or_die(arg, &wns[i].lpr);
+ register_writer_node(wns + i, cw_btrn, &s);
}
- if (!conf.writer_given) {
- g = setup_default_wng();
- ret = 1;
- goto out;
+ s.default_timeout.tv_sec = 10;
+ s.default_timeout.tv_usec = 50000;
+ ret = schedule(&s);
+ if (ret >= 0) {
+ int j, ts;
+ for (j = 0; j < n; j++) {
+ struct writer_node *wn = wns + j;
+ ts = task_status(wn->task);
+ assert(ts < 0);
+ if (ts != -E_WRITE_COMMON_EOF && ts != -E_BTR_EOF) {
+ const char *name = writer_name(wn->wid);
+ PARA_ERROR_LOG("%s: %s\n", name,
+ para_strerror(-ts));
+ if (ret >= 0)
+ ret = ts;
+ }
+ }
}
- g = wng_new(conf.writer_given);
- ret = -E_WRITE_SYNTAX;
- for (i = 0; i < conf.writer_given; i++) {
- 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;
- g->writer_nodes[i].writer = &writers[writer_num];
+ for (i = n - 1; i >= 0; i--) {
+ struct writer_node *wn = wns + i;
+ writer_get(wn->wid)->close(wn);
+ btr_remove_node(&wn->btrn);
+ lls_free_parse_result(wns[i].lpr,
+ lls_cmd(wn->wid, write_cmd_suite));
}
- ret = 1;
-out:
- if (ret > 0)
- return g;
- free(g);
- return NULL;
-}
-
-__noreturn static void print_help_and_die(void)
-{
- 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);
+ free(wns);
+ check_wav_shutdown(wt.cwc);
+ sched_shutdown(&s);
+ return ret;
}
/**
* \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.
+ * It sets up and starts the tasks and the buffer tree nodes determined by
+ * command line options.
*
* \return \p EXIT_SUCCESS or EXIT_FAILURE
*/
int main(int argc, char *argv[])
{
- int ret = -E_WRITE_SYNTAX;
- 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();
+ int ret;
+ struct lls_parse_result *lpr;
+ char *errctx;
- wng = check_args();
- if (!wng)
- goto out;
- stdin_set_defaults(&sit);
- ret = -ERRNO_TO_PARA_ERROR(EINVAL);
- if (conf.bufsize_arg < 0)
- goto out;
- if (conf.bufsize_arg >= INT_MAX / 1024)
+ ret = lls(lls_parse(argc, argv, CMD_PTR, &lpr, &errctx));
+ if (ret < 0)
goto out;
- sit.bufsize = conf.bufsize_arg * 1024;
- sit.buf = para_malloc(sit.bufsize);
-
- wng->bufp = &sit.buf;
- wng->loaded = &sit.loaded;
- wng->input_error = &sit.task.error;
-
- register_task(&sit.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;
-
- 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);
+ loglevel = OPT_UINT32_VAL(LOGLEVEL, lpr);
+ version_handle_flag("write", OPT_GIVEN(VERSION, lpr));
+ handle_help_flag(lpr);
+ ret = setup_and_schedule(lpr);
+ lls_free_parse_result(lpr, CMD_PTR);
out:
if (ret < 0) {
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
- exit(EXIT_FAILURE);
}
- exit(EXIT_SUCCESS);
+ return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / paraslash.git / blobdiff