<div dir="auto"><div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le mar. 3 mars 2020 05 h 30, sofien rahmouni <<a href="mailto:sofien.rahmouni@gmail.com">sofien.rahmouni@gmail.com</a>> a écrit : </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello, i have an issue of strange behavior when display the received raw data h264 is half of the screen is grey. The issue only reproduce on internet network (in local network is work perfectely) On my code i have two pipeline: 1 - Pipeline: Appsink which take the ahcsrc as a source video and send it as a raw by a UdpSocket on java / Sample Send data APPSINK data->pipeline = gst_parse_launch( "ahcsrc device=1 ! video/x-raw,format=(string)NV21 ! tee name=t t. ! queue ! autovideosink sync=false t. ! queue ! video/x-raw, width=320, height=240 ! videoconvert ! x264enc bitrate=500 speed-preset=superfast tune=zerolatency ! rtph264pay mtu=1024 ! appsink name=callback_read_buffer_sink emit-signals=true", &error); 1.1 - Callback de l'appsink : GstElement *testsink = NULL; /* we use appsink in push mode, it sends us a signal when data is available * and we pull out the data in the signal callback. */ testsink = gst_bin_get_by_name(GST_BIN(data->pipeline), "callback_read_buffer_sink"); if (testsink == NULL) { g_print("appsink is NULL\n"); } g_signal_connect(testsink, "new-sample", G_CALLBACK(cb_new_sample), NULL); gst_object_unref(testsink); if (error) { gchar *message = g_strdup_printf("Unable to build pipeline: %s", error->message); g_clear_error(&error); set_ui_message(message, data); g_free(message); return NULL; } 2- Pipeline: Appsrc which receive a data raw video h264 and display it via autovideosink // Sample Receive data APPSRC data->pipeline = gst_parse_launch( "appsrc name=video_app_source is-live=true ! application/x-rtp,media=video,clock-rate=90000,encoding-name=H264,payload=96 ! rtpjitterbuffer latency=10 ! rtph264depay ! h264parse ! avdec_h264 ! videoconvert ! autovideosink", &error); 2.1 - Callback de l'appsrc : static void gst_native_receive_video_data(JNIEnv *env, jobject thiz, jbyteArray array) { jbyte *temp = (*env)->GetByteArrayElements(env, array, NULL); jsize size = (*env)->GetArrayLength(env, array); GstBuffer *buffer = gst_buffer_new_allocate(NULL, size, NULL); gst_buffer_fill(buffer, 0, temp, size); GstElement *element = gst_bin_get_by_name(GST_BIN(pCustomData->pipeline), "video_app_source"); if (basetimestamp == 0) { if (appsrc) { element = gst_object_ref(appsrc); } else { fprintf(stdout, "%s:%d %s\n", __func__, __LINE__, "manually setting time: exit"); element = NULL; return; } GST_OBJECT_LOCK (element); if (GST_ELEMENT_CLOCK (element)) { GstClockTime now; GstClockTime base_time; now = gst_clock_get_time (GST_ELEMENT_CLOCK (element)); base_time = GST_ELEMENT_CAST (element)->base_time; basetimestamp = now - base_time; GST_BUFFER_TIMESTAMP (buffer) = basetimestamp; } GST_OBJECT_UNLOCK (element); gst_object_unref (element); gst_app_src_push_buffer (GST_APP_SRC(element), buffer); } else { gst_app_src_push_buffer(appsrc, buffer); } (*env)->ReleaseByteArrayElements(env, array, temp, JNI_ABORT); } P.S: Here is attached screenshot of the strange behavior of the streaming <<a href="http://gstreamer-devel.966125.n4.nabble.com/file/t379283/Screenshot_20200302-165235%5B1%5D.png" rel="noreferrer noreferrer" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/file/t379283/Screenshot_20200302-165235%5B1%5D.png</a>> </blockquote></div></div><div dir="auto"> </div><div dir="auto">Looks like a key frame was lost or never seen. Consider configuring a key frame interval on your encoder. Property key-int-max iirc.</div><div dir="auto"> </div><div dir="auto"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> -- Sent from: <a href="http://gstreamer-devel.966125.n4.nabble.com/" rel="noreferrer noreferrer" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/</a> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div></div></div>