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rtprtxqueue: Implement support for buffer lists

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This commit is contained in:
Sebastian Dröge 2015-03-19 11:39:38 +01:00
parent 1c27002ebd
commit 57ff27f8c8
1 changed files with 51 additions and 5 deletions
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56
gst/rtpmanager/gstrtprtxqueue.c
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@ -64,6 +64,8 @@ static gboolean gst_rtp_rtx_queue_src_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static GstFlowReturn gst_rtp_rtx_queue_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer);
static GstFlowReturn gst_rtp_rtx_queue_chain_list (GstPad * pad,
GstObject * parent, GstBufferList * list);
static GstStateChangeReturn gst_rtp_rtx_queue_change_state (GstElement *
element, GstStateChange transition);
@ -159,6 +161,8 @@ gst_rtp_rtx_queue_init (GstRTPRtxQueue * rtx)
GST_PAD_SET_PROXY_ALLOCATION (rtx->sinkpad);
gst_pad_set_chain_function (rtx->sinkpad,
GST_DEBUG_FUNCPTR (gst_rtp_rtx_queue_chain));
gst_pad_set_chain_list_function (rtx->sinkpad,
GST_DEBUG_FUNCPTR (gst_rtp_rtx_queue_chain_list));
gst_element_add_pad (GST_ELEMENT (rtx), rtx->sinkpad);
rtx->queue = g_queue_new ();
@ -246,6 +250,16 @@ do_push (GstBuffer * buffer, GstRTPRtxQueue * rtx)
gst_pad_push (rtx->srcpad, buffer);
}
/* Must be called with rtx->lock */
static void
shrink_queue (GstRTPRtxQueue * rtx)
{
if (rtx->max_size_packets) {
while (g_queue_get_length (rtx->queue) > rtx->max_size_packets)
gst_buffer_unref (g_queue_pop_tail (rtx->queue));
}
}
static GstFlowReturn
gst_rtp_rtx_queue_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
@ -257,11 +271,7 @@ gst_rtp_rtx_queue_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
g_mutex_lock (&rtx->lock);
g_queue_push_head (rtx->queue, gst_buffer_ref (buffer));
if (rtx->max_size_packets) {
while (g_queue_get_length (rtx->queue) > rtx->max_size_packets)
gst_buffer_unref (g_queue_pop_tail (rtx->queue));
}
shrink_queue (rtx);
pending = rtx->pending;
rtx->pending = NULL;
@ -275,6 +285,42 @@ gst_rtp_rtx_queue_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
return ret;
}
static gboolean
push_to_queue (GstBuffer ** buffer, guint idx, gpointer user_data)
{
GQueue *queue = user_data;
g_queue_push_head (queue, gst_buffer_ref (*buffer));
return TRUE;
}
static GstFlowReturn
gst_rtp_rtx_queue_chain_list (GstPad * pad, GstObject * parent,
GstBufferList * list)
{
GstRTPRtxQueue *rtx;
GstFlowReturn ret;
GList *pending;
rtx = GST_RTP_RTX_QUEUE (parent);
g_mutex_lock (&rtx->lock);
gst_buffer_list_foreach (list, push_to_queue, rtx->queue);
shrink_queue (rtx);
pending = rtx->pending;
rtx->pending = NULL;
g_mutex_unlock (&rtx->lock);
g_list_foreach (pending, (GFunc) do_push, rtx);
g_list_free (pending);
ret = gst_pad_push_list (rtx->srcpad, list);
return ret;
}
static void
gst_rtp_rtx_queue_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)