struct timeval barrier;
};
-static ssize_t prebuffer_convert(char *inbuf, size_t inbuf_len,
- struct filter_node *fn)
-{
- struct private_prebuffer_data *ppd = fn->private_data;
- struct prebuffer_filter_args_info *conf = ppd->conf;
-
- if (inbuf_len == 0) {
- if (*fn->fc->input_error < 0 && ppd->prebuffered >= 0)
- goto prebuffer_end;
- return 0;
- }
- if (ppd->prebuffered < 0) {
- size_t copy = PARA_MIN(inbuf_len, fn->bufsize - fn->loaded);
- memcpy(fn->buf + fn->loaded, inbuf, copy);
- fn->loaded += copy;
- return copy;
- }
- if (ppd->prebuffered + inbuf_len > fn->bufsize) {
- fn->bufsize = PARA_MAX(2 * fn->bufsize,
- ppd->prebuffered + inbuf_len);
- fn->buf = para_realloc(fn->buf, fn->bufsize);
- }
- memcpy(fn->buf + ppd->prebuffered, inbuf, inbuf_len);
- if (ppd->prebuffered == 0) {
- struct timeval tv;
- PARA_INFO_LOG("prebuffer period %dms\n",
- conf->duration_arg);
- ms2tv(conf->duration_arg, &tv);
- tv_add(&tv, now, &ppd->barrier);
- }
- ppd->prebuffered += inbuf_len;
- PARA_DEBUG_LOG("%d bytes prebuffered\n", ppd->prebuffered);
- if (*fn->fc->input_error >= 0) {
- struct timeval diff;
- if (tv_diff(now, &ppd->barrier, &diff) < 0)
- goto out;
- if (ppd->prebuffered < conf->size_arg)
- goto out;
- }
-prebuffer_end:
- fn->loaded = ppd->prebuffered;
- ppd->prebuffered = -1;
-out:
- return inbuf_len;
-}
-
static void prebuffer_pre_select(struct sched *s, struct task *t)
{
struct filter_node *fn = container_of(t, struct filter_node, task);
prebuffer_cmdline_parser_init(&dummy);
f->open = prebuffer_open;
f->close = prebuffer_close;
- f->convert = prebuffer_convert;
f->parse_config = prebuffer_parse_config;
f->free_config = prebuffer_free_config;
f->pre_select = prebuffer_pre_select;