void *receiver_conf;
/** the number of filters that should be activated for this audio format */
unsigned int num_filters;
- /** pointer to the array of filters to be activated */
- struct filter **filters;
- /** pointer to the array of filter configurations */
+ /** Array of filter numbers to be activated. */
+ unsigned *filter_nums;
+ /** Pointer to the array of filter configurations. */
void **filter_conf;
/** the number of filters that should be activated for this audio format */
unsigned int num_writers;
FOR_EACH_SLOT(i) {
struct slot_info *s = &slot[i];
- if (s->wng && !s->wng->task.error) {
- PARA_INFO_LOG("unregistering writer node group in slot %d\n",
+ if (s->wng && s->wng->task.error >= 0) {
+ PARA_INFO_LOG("deactivating wng in slot %d\n",
i);
- wng_unregister(s->wng);
s->wng->task.error = error;
}
- if (s->fc && !s->fc->task.error) {
- PARA_INFO_LOG("unregistering filter chain in slot %d\n", i);
- unregister_task(&s->fc->task);
+ if (s->fc && s->fc->task.error >= 0) {
+ PARA_INFO_LOG("deactivatimg filter chain in slot %d\n", i);
s->fc->task.error = error;
}
- if (s->receiver_node && !s->receiver_node->task.error) {
- PARA_INFO_LOG("unregistering receiver_node in slot %d\n", i);
- unregister_task(&s->receiver_node->task);
+ if (s->receiver_node && s->receiver_node->task.error >= 0) {
+ PARA_INFO_LOG("deactivating receiver_node in slot %d\n", i);
s->receiver_node->task.error = error;
}
}
{
struct slot_info *s = &slot[slot_num];
struct audio_format_info *a = &afi[s->format];
+ struct filter_node *fn;
int nf = a->num_filters;
int i;
return;
PARA_INFO_LOG("opening %s filters\n", audio_formats[s->format]);
s->fc = para_calloc(sizeof(struct filter_chain));
- INIT_LIST_HEAD(&s->fc->filters);
+ s->fc->filter_nodes = para_malloc(nf * sizeof(struct filter_chain));
s->fc->inbuf = s->receiver_node->buf;
s->fc->in_loaded = &s->receiver_node->loaded;
s->fc->input_error = &s->receiver_node->task.error;
s->fc->task.pre_select = filter_pre_select;
+ s->fc->task.post_select = NULL;
s->fc->task.error = 0;
+ s->fc->num_filters = nf;
s->receiver_node->output_error = &s->fc->task.error;
sprintf(s->fc->task.status, "filter chain");
- for (i = 0; i < nf; i++) {
- struct filter_node *fn = para_calloc(sizeof(struct filter_node));
+ FOR_EACH_FILTER_NODE(fn, s->fc, i) {
+ struct filter *f = filters + a->filter_nums[i];
+ fn->filter_num = a->filter_nums[i];
fn->conf = a->filter_conf[i];
fn->fc = s->fc;
- fn->filter = a->filters[i];
+ fn->loaded = 0;
INIT_LIST_HEAD(&fn->callbacks);
- list_add_tail(&fn->node, &s->fc->filters);
- fn->filter->open(fn);
+ f->open(fn);
PARA_NOTICE_LOG("%s filter %d/%d (%s) started in slot %d\n",
- audio_formats[s->format], i + 1, nf,
- fn->filter->name, slot_num);
+ audio_formats[s->format], i + 1, nf, f->name, slot_num);
s->fc->outbuf = fn->buf;
s->fc->out_loaded = &fn->loaded;
}
return;
}
s->wstime = *now;
- activate_inactive_grab_clients(slot_num, s->format, &s->fc->filters);
+ activate_inactive_grab_clients(slot_num, s->format, s->fc);
}
#if 0
filter_num = check_filter_arg(cmdline, &a->filter_conf[nf]);
if (filter_num < 0)
return filter_num;
- a->filters[nf] = &filters[filter_num];
+ a->filter_nums[nf] = filter_num;
a->num_filters++;
PARA_INFO_LOG("%s filter %d: %s\n", audio_formats[format], nf + 1,
- a->filters[nf]->name);
+ filters[filter_num].name);
return filter_num;
}
PARA_INFO_LOG("maximal number of filters: %d\n", nf);
FOR_EACH_AUDIO_FORMAT(i) {
afi[i].filter_conf = para_malloc(nf * sizeof(void *));
- afi[i].filters = para_malloc(nf * sizeof(struct filter *));
+ afi[i].filter_nums = para_malloc(nf * sizeof(unsigned));
}
if (!conf.no_default_filters_given)
return init_default_filters();
tv_add(now, &delay, &stat_task->restart_barrier);
}
-#if 0
-static void client_task_event_handler(__a_unused struct task *t)
-{
- int i;
-
- if (t->ret == -E_HANDSHAKE_COMPLETE)
- return;
- unregister_task(t);
- close_stat_pipe();
- if (t->ret != -E_SERVER_EOF)
- stat_task->clock_diff_count = conf.clock_diff_count_arg;
- set_stat_task_restart_barrier();
- FOR_EACH_AUDIO_FORMAT(i)
- afi[i].restart_barrier = stat_task->restart_barrier;
-}
-#endif
-
+/* restart the client task if necessary */
static void status_pre_select(struct sched *s, struct task *t)
{
struct status_task *st = container_of(t, struct status_task, task);
int ret;
- if (st->ct || audiod_status == AUDIOD_OFF)
+ if (st->ct || audiod_status == AUDIOD_OFF) /* no need to restart */
return;
if (!st->clock_diff_count && tv_diff(now, &st->restart_barrier, NULL)
< 0)
return;
- if (st->clock_diff_count) {
+ if (st->clock_diff_count) { /* get status only one time */
char *argv[] = {"audiod", "stat", "1", NULL};
int argc = 3;
if (tv_diff(now, &st->clock_diff_barrier, NULL) < 0)
if (!st->ct || st->ct->status != CL_RECEIVING)
return;
- if (st->ct && audiod_status == AUDIOD_OFF) {
- unregister_task(&st->ct->task);
+ if (audiod_status == AUDIOD_OFF || st->ct->task.error < 0) {
+ if (st->ct->task.error >= 0)
+ unregister_task(&st->ct->task);
+ if (audiod_status == AUDIOD_OFF)
+ st->clock_diff_count = conf.clock_diff_count_arg;
close_stat_pipe();
- st->clock_diff_count = conf.clock_diff_count_arg;
return;
}
bytes_left = for_each_line(st->ct->buf, st->ct->loaded,
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