/*
- * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file wav_filter.c A filter that inserts a wave header. */
#include <regex.h>
-#include <stdbool.h>
#include "para.h"
#include "error.h"
#include "list.h"
#include "sched.h"
-#include "ggo.h"
#include "buffer_tree.h"
#include "filter.h"
#include "string.h"
int bytespersec = channels * sample_rate * BITS / 8;
int align = channels * BITS / 8;
- PARA_DEBUG_LOG("writing wave header: %d channels, %d KHz\n", channels, sample_rate);
+ PARA_DEBUG_LOG("writing wave header: %u channels, %u KHz\n", channels, sample_rate);
memset(headbuf, 0, WAV_HEADER_LEN);
memcpy(headbuf, "RIFF", 4);
write_u32(headbuf + 4, size - 8);
*bof = 1;
}
-static void wav_pre_select(struct sched *s, struct task *t)
+static void wav_pre_select(struct sched *s, void *context)
{
- struct filter_node *fn = container_of(t, struct filter_node, task);
+ struct filter_node *fn = context;
size_t iqs = btr_get_input_queue_size(fn->btrn);
- t->error = 0;
if (iqs == 0)
return;
sched_min_delay(s);
}
-static void wav_post_select(__a_unused struct sched *s, struct task *t)
+static int wav_post_select(__a_unused struct sched *s, void *context)
{
- struct filter_node *fn = container_of(t, struct filter_node, task);
+ struct filter_node *fn = context;
struct btr_node *btrn = fn->btrn;
size_t iqs = btr_get_input_queue_size(btrn);
int ret;
char *header, *buf;
int32_t rate, ch;
- t->error = 0;
if (iqs == 0) {
ret = -E_WAV_EOF;
if (btr_no_parent(btrn))
goto err;
- return;
+ return 0;
}
ret = btr_exec_up(btrn, "sample_rate", &buf);
if (ret < 0) {
btr_add_output(header, WAV_HEADER_LEN, btrn);
ret = -E_WAV_SUCCESS;
err:
- t->error = ret;
if (ret == -E_WAV_SUCCESS)
- btr_splice_out_node(btrn);
+ btr_splice_out_node(&fn->btrn);
else {
- btr_remove_node(btrn);
+ btr_remove_node(&fn->btrn);
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
}
+ return ret;
}
-/**
- * The init function of the wav filter.
- *
- * \param f Structure to initialize.
- */
-void wav_filter_init(struct filter *f)
-{
- f->close = wav_close;
- f->open = wav_open;
- f->pre_select = wav_pre_select;
- f->post_select = wav_post_select;
-}
+const struct filter lsg_filter_cmd_com_wav_user_data = {
+ .close = wav_close,
+ .open = wav_open,
+ .pre_select = wav_pre_select,
+ .post_select = wav_post_select,
+};