write_u32(headbuf + 40, size - 44); /* chunk size */
}
-static ssize_t wav_convert(char *inbuf, size_t len, struct filter_node *fn)
-{
- size_t copy;
- int *bof = fn->private_data;
-
- if (*bof) {
- if (!len)
- return 0;
- if (!fn->fc->channels || !fn->fc->samplerate) {
- PARA_ERROR_LOG("%s\n", para_strerror(E_WAV_BAD_FC));
- return -E_WAV_BAD_FC;
- }
- make_wav_header(fn->fc->channels, fn->fc->samplerate, fn->buf);
- fn->loaded = WAV_HEADER_LEN;
- *bof = 0;
-// return 0;
- }
- copy = PARA_MIN(len, fn->bufsize - fn->loaded);
- memmove(fn->buf + fn->loaded, inbuf, copy);
- fn->loaded += copy;
-// PARA_DEBUG_LOG("len = %d, copy = %d\n", len, copy);
- return copy;
-}
-
static void wav_close(struct filter_node *fn)
{
free(fn->buf);
char *header, *buf;
int32_t rate, ch;
-
t->error = 0;
if (iqs == 0) {
ret = -E_WAV_EOF;
header = para_malloc(WAV_HEADER_LEN);
make_wav_header(ch, rate, header);
btr_add_output(header, WAV_HEADER_LEN, btrn);
- btr_pushdown(btrn);
ret = -E_WAV_SUCCESS;
err:
t->error = ret;
- wav_close(fn);
if (ret == -E_WAV_SUCCESS)
- ret = btr_splice_out_node(btrn);
+ btr_splice_out_node(btrn);
else {
- btr_del_node(btrn);
+ btr_remove_node(btrn);
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
}
}
/**
- * the init function of the wav filter
+ * The init function of the wav filter.
*
- * \param f struct to initialize
+ * \param f Structure to initialize.
*/
void wav_filter_init(struct filter *f)
{
- f->convert = wav_convert;
f->close = wav_close;
f->open = wav_open;
f->pre_select = wav_pre_select;