struct timeval restart_barrier;
};
+/* Describes one instance of a receiver-filter-writer chain. */
+struct slot_info {
+ /* Number of the audio format in this slot. */
+ int format;
+ /* The stream_start status item announced by para_server. */
+ struct timeval server_stream_start;
+ /* The offset status item announced by para_server. */
+ unsigned offset_seconds;
+ /* The seconds_total status item announced by para_server. */
+ unsigned seconds_total;
+ /* The receiver info associated with this slot. */
+ struct receiver_node *receiver_node;
+ /* The array of filter nodes. */
+ struct filter_node *fns;
+ /* The array of writers attached to the last filter. */
+ struct writer_node *wns;
+};
+
+/** Maximal number of simultaneous instances. */
+#define MAX_STREAM_SLOTS 5
+
+/** Iterate over all slots. */
+#define FOR_EACH_SLOT(_slot) for (_slot = 0; _slot < MAX_STREAM_SLOTS; _slot++)
+
/**
* para_audiod uses \p MAX_STREAM_SLOTS different slots, each of which may
* be associated with a receiver/filter/writer triple. This array holds all
return -E_UNSUPPORTED_AUDIO_FORMAT;
}
+/**
+ * Return the flags for the \a decoder_flags status item.
+ *
+ * Allocates a string which contains one octal digit per slot. Bit zero (value
+ * 1) is set if a receiver is active. Bit one (value 2) and bit three (value 4)
+ * have the analogous meaning for filter and writer, respectively.
+ *
+ * \return String that must be freed by the caller.
+ */
+__malloc char *audiod_get_decoder_flags(void)
+{
+ int i;
+ char flags[MAX_STREAM_SLOTS + 1];
+
+ FOR_EACH_SLOT(i) {
+ struct slot_info *s = &slot[i];
+ char flag = '0';
+ if (s->receiver_node)
+ flag += 1;
+ if (s->fns)
+ flag += 2;
+ if (s->wns)
+ flag += 4;
+ flags[i] = flag;
+ }
+ flags[MAX_STREAM_SLOTS] = '\0';
+ return para_strdup(flags);
+}
+
static int get_matching_audio_format_nums(const char *re)
{
int i, ret;