static void gst_scream_queue_finalize(GObject *object)
{
GstScreamQueue *self = GST_SCREAM_QUEUE(object);
GstDataQueueItem *item;
while (!gst_data_queue_is_empty(self->approved_packets)) {
gst_data_queue_pop(self->approved_packets, &item);
item->destroy(item);
}
gst_object_unref(self->approved_packets);
while ((item = (GstDataQueueItem *)g_async_queue_try_pop(self->incoming_packets))) {
item->destroy(item);
}
g_async_queue_unref(self->incoming_packets);
g_hash_table_unref(self->streams);
g_hash_table_unref(self->adapted_stream_ids);
g_hash_table_unref(self->ignored_stream_ids);
if (self->scream_controller) {
g_object_unref(self->scream_controller);
}
G_OBJECT_CLASS(parent_class)->finalize (object);
}
/* Called with reader lock held */
static gboolean
have_empty_queue (GstSplitMuxPartReader * reader)
{
GList *cur;
for (cur = g_list_first (reader->pads); cur != NULL; cur = g_list_next (cur)) {
GstSplitMuxPartPad *part_pad = SPLITMUX_PART_PAD_CAST (cur->data);
if (part_pad->is_eos) {
GST_LOG_OBJECT (part_pad, "Pad is EOS");
return TRUE;
}
if (gst_data_queue_is_empty (part_pad->queue)) {
GST_LOG_OBJECT (part_pad, "Queue is empty");
return TRUE;
}
}
return FALSE;
}
static void gst_scream_queue_srcpad_loop(GstScreamQueue *self)
{
GstScreamDataQueueItem *item;
GstScreamDataQueueRtpItem *rtp_item;
GstScreamStream *stream;
guint stream_id;
guint64 time_now_us, time_until_next_approve = 0;
GstBuffer *buffer;
time_now_us = get_gst_time_us(self);
if (G_UNLIKELY(time_now_us == 0)) {
goto end;
}
if (time_now_us >= self->next_approve_time) {
time_until_next_approve = gst_scream_controller_approve_transmits(self->scream_controller,
time_now_us);
} else {
GST_LOG_OBJECT(self, "Time is %" G_GUINT64_FORMAT ", waiting %" G_GUINT64_FORMAT,
time_now_us, self->next_approve_time);
}
/* Send all approved packets */
while (!gst_data_queue_is_empty(self->approved_packets)) {
if (G_UNLIKELY(!gst_data_queue_pop(self->approved_packets,
(GstDataQueueItem **)&rtp_item))) {
GST_WARNING_OBJECT(self, "Failed to pop from approved packets queue. Flushing?");
goto end; /* flushing */
}
buffer = GST_BUFFER(((GstDataQueueItem *)rtp_item)->object);
gst_pad_push(self->src_pad, buffer);
GST_LOG_OBJECT(self, "pushing: pt = %u, seq: %u, pass: %u", rtp_item->rtp_pt, rtp_item->rtp_seq, self->pass_through);
if (rtp_item->adapted) {
guint tmp_time;
stream_id = ((GstScreamDataQueueItem *)rtp_item)->rtp_ssrc;
tmp_time = gst_scream_controller_packet_transmitted(self->scream_controller, stream_id,
rtp_item->rtp_payload_size, rtp_item->rtp_seq, time_now_us);
time_until_next_approve = MIN(time_until_next_approve, tmp_time);
}
g_slice_free(GstScreamDataQueueRtpItem, rtp_item);
}
self->next_approve_time = time_now_us + time_until_next_approve;
GST_LOG_OBJECT(self, "Popping or waiting %" G_GUINT64_FORMAT, time_until_next_approve);
item = (GstScreamDataQueueItem *)g_async_queue_timeout_pop(self->incoming_packets, time_until_next_approve);
if (!item) {
goto end;
}
stream_id = item->rtp_ssrc;
if (item->type == GST_SCREAM_DATA_QUEUE_ITEM_TYPE_RTP) {
GstScreamDataQueueRtpItem *rtp_item = (GstScreamDataQueueRtpItem *)item;
stream = get_stream(self, item->rtp_ssrc, rtp_item->rtp_pt);
if (!stream) {
rtp_item->adapted = FALSE;
GST_LOG_OBJECT(self, "!adapted, approving: pt = %u, seq: %u, pass: %u",
rtp_item->rtp_pt, rtp_item->rtp_seq, self->pass_through);
gst_data_queue_push(self->approved_packets, (GstDataQueueItem *)item);
} else {
gst_atomic_queue_push(stream->packet_queue, rtp_item);
stream->enqueued_payload_size += rtp_item->rtp_payload_size;
stream->enqueued_packets++;
rtp_item->adapted = TRUE;
self->next_approve_time = 0;
gst_scream_controller_new_rtp_packet(self->scream_controller, stream_id, rtp_item->rtp_ts,
rtp_item->enqueued_time, stream->enqueued_payload_size, rtp_item->rtp_payload_size);
}
} else { /* item->type == GST_SCREAM_DATA_QUEUE_ITEM_TYPE_RTCP */
GstScreamDataQueueRtcpItem *rtcp_item = (GstScreamDataQueueRtcpItem *)item;
gst_scream_controller_incoming_feedback(self->scream_controller, stream_id, time_now_us,
rtcp_item->timestamp, rtcp_item->highest_seq, rtcp_item->n_loss, rtcp_item->n_ecn, rtcp_item->qbit);
((GstDataQueueItem *)item)->destroy(item);
}
end:
return;
}
