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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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rtprtxsend: don't start the task unless we are doing rtx
The rtxsend element can do pass-through when not enabled (no pt-map set) and in those cases there is no point in starting an additional task that does absolutely nothing. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1880>
This commit is contained in:
Havard Graff
GStreamer Marge Bot
parent
69863131bd
commit
4d31641302
2 changed files with 206 additions and 20 deletions
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@ -109,6 +109,8 @@ G_DEFINE_TYPE_WITH_CODE (GstRtpRtxSend, gst_rtp_rtx_send, GST_TYPE_ELEMENT,
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GST_ELEMENT_REGISTER_DEFINE (rtprtxsend, "rtprtxsend", GST_RANK_NONE,
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GST_TYPE_RTP_RTX_SEND);
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#define IS_RTX_ENABLED(rtx) (g_hash_table_size ((rtx)->rtx_pt_map) > 0)
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typedef struct
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{
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guint16 seqnum;
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@ -152,6 +154,60 @@ ssrc_rtx_data_free (SSRCRtxData * data)
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g_slice_free (SSRCRtxData, data);
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}
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typedef enum
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{
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RTX_TASK_START,
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RTX_TASK_PAUSE,
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RTX_TASK_STOP,
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} RtxTaskState;
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static void
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gst_rtp_rtx_send_set_flushing (GstRtpRtxSend * rtx, gboolean flush)
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{
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GST_OBJECT_LOCK (rtx);
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gst_data_queue_set_flushing (rtx->queue, flush);
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gst_data_queue_flush (rtx->queue);
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GST_OBJECT_UNLOCK (rtx);
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}
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static gboolean
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gst_rtp_rtx_send_set_task_state (GstRtpRtxSend * rtx, RtxTaskState task_state)
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{
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GstTask *task = GST_PAD_TASK (rtx->srcpad);
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GstPadMode mode = GST_PAD_MODE (rtx->srcpad);
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gboolean ret = TRUE;
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switch (task_state) {
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case RTX_TASK_START:
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{
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gboolean active = task && GST_TASK_STATE (task) == GST_TASK_STARTED;
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if (IS_RTX_ENABLED (rtx) && mode != GST_PAD_MODE_NONE && !active) {
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GST_DEBUG_OBJECT (rtx, "Starting RTX task");
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gst_rtp_rtx_send_set_flushing (rtx, FALSE);
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ret = gst_pad_start_task (rtx->srcpad,
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(GstTaskFunction) gst_rtp_rtx_send_src_loop, rtx, NULL);
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}
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break;
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}
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case RTX_TASK_PAUSE:
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if (task) {
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GST_DEBUG_OBJECT (rtx, "Pausing RTX task");
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gst_rtp_rtx_send_set_flushing (rtx, TRUE);
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ret = gst_pad_pause_task (rtx->srcpad);
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}
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break;
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case RTX_TASK_STOP:
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if (task) {
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GST_DEBUG_OBJECT (rtx, "Stopping RTX task");
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gst_rtp_rtx_send_set_flushing (rtx, TRUE);
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ret = gst_pad_stop_task (rtx->srcpad);
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}
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break;
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}
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return ret;
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}
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static void
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gst_rtp_rtx_send_class_init (GstRtpRtxSendClass * klass)
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{
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@ -287,15 +343,6 @@ gst_rtp_rtx_send_init (GstRtpRtxSend * rtx)
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rtx->max_size_packets = DEFAULT_MAX_SIZE_PACKETS;
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}
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static void
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gst_rtp_rtx_send_set_flushing (GstRtpRtxSend * rtx, gboolean flush)
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{
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GST_OBJECT_LOCK (rtx);
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gst_data_queue_set_flushing (rtx->queue, flush);
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gst_data_queue_flush (rtx->queue);
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GST_OBJECT_UNLOCK (rtx);
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}
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static gboolean
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gst_rtp_rtx_send_queue_check_full (GstDataQueue * queue,
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guint visible, guint bytes, guint64 time, gpointer checkdata)
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@ -609,14 +656,11 @@ gst_rtp_rtx_send_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_START:
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gst_pad_push_event (rtx->srcpad, event);
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gst_rtp_rtx_send_set_flushing (rtx, TRUE);
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gst_pad_pause_task (rtx->srcpad);
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gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_PAUSE);
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return TRUE;
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case GST_EVENT_FLUSH_STOP:
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gst_pad_push_event (rtx->srcpad, event);
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gst_rtp_rtx_send_set_flushing (rtx, FALSE);
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gst_pad_start_task (rtx->srcpad,
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(GstTaskFunction) gst_rtp_rtx_send_src_loop, rtx, NULL);
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gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_START);
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return TRUE;
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case GST_EVENT_EOS:
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GST_INFO_OBJECT (rtx, "Got EOS - enqueueing it");
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@ -837,7 +881,7 @@ gst_rtp_rtx_send_src_loop (GstRtpRtxSend * rtx)
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data->destroy (data);
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} else {
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GST_LOG_OBJECT (rtx, "flushing");
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gst_pad_pause_task (rtx->srcpad);
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gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_PAUSE);
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}
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}
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@ -851,12 +895,9 @@ gst_rtp_rtx_send_activate_mode (GstPad * pad, GstObject * parent,
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switch (mode) {
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case GST_PAD_MODE_PUSH:
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if (active) {
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gst_rtp_rtx_send_set_flushing (rtx, FALSE);
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ret = gst_pad_start_task (rtx->srcpad,
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(GstTaskFunction) gst_rtp_rtx_send_src_loop, rtx, NULL);
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ret = gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_START);
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} else {
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gst_rtp_rtx_send_set_flushing (rtx, TRUE);
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ret = gst_pad_stop_task (rtx->srcpad);
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ret = gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_STOP);
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}
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GST_INFO_OBJECT (rtx, "activate_mode: active %d, ret %d", active, ret);
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break;
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@ -948,6 +989,12 @@ gst_rtp_rtx_send_set_property (GObject * object,
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gst_structure_foreach (rtx->rtx_pt_map_structure, structure_to_hash_table,
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rtx->rtx_pt_map);
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GST_OBJECT_UNLOCK (rtx);
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if (IS_RTX_ENABLED (rtx))
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gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_START);
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else
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gst_rtp_rtx_send_set_task_state (rtx, RTX_TASK_STOP);
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break;
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case PROP_MAX_SIZE_TIME:
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GST_OBJECT_LOCK (rtx);
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@ -146,6 +146,141 @@ create_rtp_buffer_with_timestamp (guint32 ssrc, guint8 payload_type,
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return ret;
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}
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static GstStructure *
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create_rtx_map (const gchar * name, guint key, guint value)
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{
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gchar *key_str = g_strdup_printf ("%u", key);
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GstStructure *s = gst_structure_new (name,
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key_str, G_TYPE_UINT, value, NULL);
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g_free (key_str);
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return s;
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}
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GST_START_TEST (test_rtxsend_basic)
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{
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const guint32 main_ssrc = 1234567;
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const guint main_pt = 96;
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const guint32 rtx_ssrc = 7654321;
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const guint rtx_pt = 106;
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GstHarness *h = gst_harness_new ("rtprtxsend");
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GstStructure *ssrc_map =
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create_rtx_map ("application/x-rtp-ssrc-map", main_ssrc, rtx_ssrc);
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GstStructure *pt_map =
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create_rtx_map ("application/x-rtp-pt-map", main_pt, rtx_pt);
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g_object_set (h->element, "ssrc-map", ssrc_map, NULL);
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g_object_set (h->element, "payload-type-map", pt_map, NULL);
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gst_harness_set_src_caps_str (h, "application/x-rtp, "
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"media = (string)video, payload = (int)96, "
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"ssrc = (uint)1234567, clock-rate = (int)90000, "
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"encoding-name = (string)RAW");
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/* push a packet */
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fail_unless_equals_int (GST_FLOW_OK,
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gst_harness_push (h, create_rtp_buffer (main_ssrc, main_pt, 0)));
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/* and check it came through */
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pull_and_verify (h, FALSE, main_ssrc, main_pt, 0);
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/* now request this packet as rtx */
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gst_harness_push_upstream_event (h, create_rtx_event (main_ssrc, main_pt, 0));
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/* and verify we got an rtx-packet for it */
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pull_and_verify (h, TRUE, rtx_ssrc, rtx_pt, 0);
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gst_structure_free (ssrc_map);
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gst_structure_free (pt_map);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_rtxsend_disabled_enabled_disabled)
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{
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const guint32 main_ssrc = 1234567;
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const guint main_pt = 96;
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const guint32 rtx_ssrc = 7654321;
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const guint rtx_pt = 106;
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GstHarness *h = gst_harness_new ("rtprtxsend");
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GstStructure *ssrc_map =
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create_rtx_map ("application/x-rtp-ssrc-map", main_ssrc, rtx_ssrc);
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GstStructure *pt_map =
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create_rtx_map ("application/x-rtp-pt-map", main_pt, rtx_pt);
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GstStructure *empty_pt_map =
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gst_structure_new_empty ("application/x-rtp-pt-map");
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/* set ssrc-map, but not pt-map, making the element work in passthrough */
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g_object_set (h->element, "ssrc-map", ssrc_map, NULL);
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gst_harness_set_src_caps_str (h, "application/x-rtp, "
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"media = (string)video, payload = (int)96, "
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"ssrc = (uint)1234567, clock-rate = (int)90000, "
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"encoding-name = (string)RAW");
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/* push, pull, request-rtx, verify nothing arrives */
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fail_unless_equals_int (GST_FLOW_OK,
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gst_harness_push (h, create_rtp_buffer (main_ssrc, main_pt, 0)));
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pull_and_verify (h, FALSE, main_ssrc, main_pt, 0);
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gst_harness_push_upstream_event (h, create_rtx_event (main_ssrc, main_pt, 0));
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fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
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/* verify there is no task on the rtxsend srcpad */
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fail_unless (GST_PAD_TASK (GST_PAD_PEER (h->sinkpad)) == NULL);
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/* now enable rtx by setting the pt-map */
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g_object_set (h->element, "payload-type-map", pt_map, NULL);
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/* push, pull, request rtx, pull rtx */
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fail_unless_equals_int (GST_FLOW_OK,
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gst_harness_push (h, create_rtp_buffer (main_ssrc, main_pt, 1)));
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pull_and_verify (h, FALSE, main_ssrc, main_pt, 1);
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gst_harness_push_upstream_event (h, create_rtx_event (main_ssrc, main_pt, 1));
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pull_and_verify (h, TRUE, rtx_ssrc, rtx_pt, 1);
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/* verify there is a task on the rtxsend srcpad */
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fail_unless (GST_PAD_TASK (GST_PAD_PEER (h->sinkpad)) != NULL);
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/* now enable disable rtx agian by setting an empty pt-map */
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g_object_set (h->element, "payload-type-map", empty_pt_map, NULL);
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/* push, pull, request-rtx, verify nothing arrives */
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fail_unless_equals_int (GST_FLOW_OK,
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gst_harness_push (h, create_rtp_buffer (main_ssrc, main_pt, 2)));
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pull_and_verify (h, FALSE, main_ssrc, main_pt, 2);
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gst_harness_push_upstream_event (h, create_rtx_event (main_ssrc, main_pt, 2));
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fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
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/* verify the task is gone again */
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fail_unless (GST_PAD_TASK (GST_PAD_PEER (h->sinkpad)) == NULL);
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gst_structure_free (ssrc_map);
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gst_structure_free (pt_map);
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gst_structure_free (empty_pt_map);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_rtxsend_configured_not_playing_cleans_up)
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{
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GstElement *rtxsend = gst_element_factory_make ("rtprtxsend", NULL);
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GstStructure *ssrc_map =
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create_rtx_map ("application/x-rtp-ssrc-map", 123, 96);
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GstStructure *pt_map = create_rtx_map ("application/x-rtp-pt-map", 321, 106);
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g_object_set (rtxsend, "ssrc-map", ssrc_map, NULL);
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g_object_set (rtxsend, "payload-type-map", pt_map, NULL);
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gst_structure_free (ssrc_map);
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gst_structure_free (pt_map);
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g_usleep (G_USEC_PER_SEC);
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gst_object_unref (rtxsend);
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}
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GST_END_TEST;
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GST_START_TEST (test_rtxreceive_empty_rtx_packet)
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{
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guint rtx_ssrc = 7654321;
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@ -788,6 +923,10 @@ rtprtx_suite (void)
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_rtxsend_basic);
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tcase_add_test (tc_chain, test_rtxsend_disabled_enabled_disabled);
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tcase_add_test (tc_chain, test_rtxsend_configured_not_playing_cleans_up);
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tcase_add_test (tc_chain, test_rtxreceive_empty_rtx_packet);
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tcase_add_test (tc_chain, test_rtxsend_rtxreceive);
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tcase_add_test (tc_chain, test_rtxsend_rtxreceive_with_packet_loss);
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