<div dir="ltr">I am almost there, now getting some errors with alsa, given below from the debug logs:<div><br></div><div><b><br></b><div><div><b>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb2822f80, vAddr 0xab71e000, pAddr 0x40000000, helper 0x17</b></div><div><b>0:00:00.861131345 1934 0x138e60 WARN alsa conf.c:4563:parse_args: alsalib error: Unknown parameter AES0</b></div><div><b>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb281f080, vAddr 0xab6f8000, pAddr 0x40040000, helper 0x18</b></div><div><b>0:00:00.886618614 1934 0x138e60 WARN alsa conf.c:4723:snd_config_expand: alsalib error: Parse arguments error: No such file or directory</b></div><div><b>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb281b778, vAddr 0xab6d2000, pAddr 0x40080000, helper 0x19</b></div><div><b>0:00:00.915113345 1934 0x138e60 WARN alsa pcm.c:2267:snd_pcm_open_noupdate: alsalib error: Unknown PCM default:{AES0 0x02 AES1 0x82 AES2 0x00 AES3 0x02}</b></div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb2825c90, vAddr 0xab6ac000, pAddr 0x400c0000, helper 0x1a</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb2825d58, vAddr 0xab686000, pAddr 0x40100000, helper 0x1b</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0x1b2e90, vAddr 0xab506000, pAddr 0x40200000, helper 0x1c</div><div>coda7542_os_driver_init is called</div><div>_openfd_coda7542 succeed, fd 29</div><div>VpuInformCodecType(0x1b2ee0, 0x10000) is called</div><div>get_mem_size is called</div><div>get_mem_size is called</div><div>get_mem_addr is called</div><div>_VpuCoda7542GetBufAddr: VPU has no 2nd AXI</div><div>_VpuCoda7542GetBufAddr() get firmware mem vpuio addr 0x27e00000, vir addr 0xab406000, sz 1048576</div><div>0:00:01.030366037 1934 0x138e60 WARN alsa pcm_hw.c:1234:snd_pcm_hw_get_chmap: alsalib error: Cannot read Channel Map ctl</div><div>: No such file or directory</div><div>download firmware in VpuCoda7542Device_Get(), rt 0</div><div>VpuCoda7542Slot_Get(0x1b2ee0) return 0</div><div>VpuCoda7542Slot_Rel(0x1b2ee0, 0) is called</div><div>VpuCoda7542Device_Rel: munmap firmware, sram and reg base addr</div><div>_VpuCoda7542RelBufAddr: VirAddrr = 0, index =2</div><div>coda7542_os_driver_clean is called 0x1b2ee0</div><div>_closefd_coda7542 is calling, fd 29</div><div>coda7542_os_driver_init is called</div><div>_openfd_coda7542 succeed, fd 29</div><div>VpuInformCodecType(0x187400, 0x10000) is called</div><div>get_mem_size is called</div><div>get_mem_size is called</div><div>get_mem_addr is called</div><div>_VpuCoda7542GetBufAddr: VPU has no 2nd AXI</div><div>_VpuCoda7542GetBufAddr() get firmware mem vpuio addr 0x27e00000, vir addr 0xab406000, sz 1048576</div><div>download firmware in VpuCoda7542Device_Get(), rt 0</div><div>VpuCoda7542Slot_Get(0x187400) return 0</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb2827f98, vAddr 0xab71e000, pAddr 0x40000000, helper 0x1b</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb283cf90, vAddr 0xab6f8000, pAddr 0x40040000, helper 0x1e</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb281b778, vAddr 0xab6d2000, pAddr 0x40080000, helper 0x1f</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb2846d10, vAddr 0xab6ac000, pAddr 0x400c0000, helper 0x20</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0xb2832f90, vAddr 0xab686000, pAddr 0x40100000, helper 0x21</div><div>coda7542_os_api_pcontmem_alloc() succeed, pMemInfo 0x1b2ee0, vAddr 0xab3e6000, pAddr 0x40140000, helper 0x22</div><div>VpuCoda7542Sram_Get is called</div><div>Could not get 2nd AXI SRAM for Coda7542!</div><div>0:00:01.259776576 1934 0x188430 WARN basesrc <b>gstbasesrc.c:2933:gst_base_src_loop:<udpsrc1> error: Internal data flow error.</b></div><div><b>0:00:01.275732345 1934 0x188430 WARN basesrc gstbasesrc.c:2933:gst_base_src_loop:<udpsrc1> error: streaming task paused, reason not-linked (-1)</b></div></div><div><br></div><div><br></div><div><b>Updated source code: </b></div><div><div>#include <gst/gst.h></div><div>#include <glib.h></div><div>#include <glib/gprintf.h></div><div><br></div><div>GstElement *audioQueue, *videoQueue;</div><div>GstElement *source, *audio, *video, *convert, *pipeline, *audioDepay,</div><div> *audioParse, *audioDecode, *audioConvert, *audioResample, *audioSink, *videoDepay, *videoParser, *videoDecode, *videoConvert, *videoScale, *videoSink;</div><div><br></div><div>static void onPadAdded(GstElement *element, GstPad *pad, gpointer data)</div><div>{</div><div>#if 1</div><div> GstCaps *caps;</div><div> const char *name;</div><div> char *capsName;</div><div> caps = gst_pad_get_current_caps(pad);</div><div> GstStructure *str = gst_caps_get_structure(caps, 0);</div><div> name = gst_structure_get_name(str);</div><div> g_print("name of caps struct string: %s \n", name);</div><div> capsName = gst_caps_to_string(caps);</div><div> g_print("name of caps string: %s \n", capsName);</div><div> GstPadLinkReturn ret;</div><div>#endif</div><div> if (g_strrstr(capsName,"audio"))</div><div> {</div><div> g_print("here .....1 \n");</div><div> GstPad *dynamic_pad = gst_element_get_static_pad(audioQueue, "sink");</div><div> ret = gst_pad_link(pad, dynamic_pad);</div><div> if (GST_PAD_LINK_FAILED (ret)) {</div><div> g_print (" Type is '%s' but link failed.\n", capsName);</div><div> } else {</div><div> g_print (" Link succeeded (type '%s').\n", capsName);</div><div> }</div><div> gst_object_unref(dynamic_pad);</div><div><br></div><div> }</div><div><br></div><div> else if (g_strrstr(capsName, "video"))</div><div> {</div><div> g_print("here .....2 \n");</div><div> GstPad *video_dynamic_pad= gst_element_get_static_pad(videoQueue, "sink");</div><div> ret = gst_pad_link(pad, video_dynamic_pad);</div><div> if (GST_PAD_LINK_FAILED (ret)) {</div><div> g_print (" Type is '%s' but link failed.\n", capsName);</div><div> } else {</div><div> g_print (" Link succeeded (type '%s').\n", capsName);</div><div> }</div><div> gst_object_unref(video_dynamic_pad);</div><div><br></div><div> }</div><div> g_free(capsName);</div><div> gst_caps_unref(caps);</div><div><br></div><div>}</div><div><br></div><div>int main(int argc, char *argv[]) {</div></div><div><div> GstCaps *capsFilter;</div><div> GstBus *bus;</div><div> GstMessage *msg;</div><div> GstPad *pad;</div><div> gboolean link_ok;</div><div> GstStateChangeReturn ret;</div><div><br></div><div> /* Initialize GStreamer */</div><div> gst_init (&argc, &argv);</div><div><br></div><div><br></div><div> /* Create Elements */</div><div> pipeline = gst_pipeline_new("rtsp-pipeline");</div><div> source = gst_element_factory_make ("rtspsrc", "rtsp-source");</div><div> g_object_set(source, "location", "rtsp://<a href="http://192.168.3.30:8554/rajvi" target="_top" rel="nofollow" link="external">192.168.3.30:8554/rajvi</a>", NULL);</div><div> g_object_set(source, "latency", 0, NULL);</div><div><br></div><div> audioQueue = gst_element_factory_make ("queue", "audio-queue");</div><div> audioDepay = gst_element_factory_make ("rtpmp4gdepay", "audio-depayer");</div><div> audioParse = gst_element_factory_make ("aacparse", "audio-parser");</div><div> audioDecode = gst_element_factory_make ("avdec_aac", "audio-decoder");</div><div> audioConvert = gst_element_factory_make ("audioconvert", "aconv");</div><div> audioResample = gst_element_factory_make ("audioresample", "audio-resample");</div><div> audioSink = gst_element_factory_make ("autoaudiosink", "audiosink");</div><div><br></div><div> if (!audioQueue || !audioDepay || !audioParse || !audioConvert || !audioResample || !audioSink)</div><div> {</div><div> g_printerr("Cannot create audio elements \n");</div><div> return 0;</div><div> }</div><div> videoQueue = gst_element_factory_make ("queue", "video-queue");</div><div> videoDepay= gst_element_factory_make ("rtph264depay", "video-depay");</div><div> videoParser = gst_element_factory_make ("h264parse", "video-parser");</div><div> videoDecode = gst_element_factory_make ("omxh264dec", "video-decoder");</div><div> videoConvert = gst_element_factory_make("videoconvert", "convert");</div><div> videoScale = gst_element_factory_make("videoscale", "video-scale");</div><div> videoSink = gst_element_factory_make("ximagesink", "video-sink");</div><div> capsFilter = gst_caps_new_simple("video/x-raw",</div><div> "width", G_TYPE_INT, 176,</div><div> "height", G_TYPE_INT, 144,</div><div> NULL);</div><div><br></div><div> if (!videoQueue || !videoDepay || !videoParser || !videoDecode || !videoConvert || !videoScale || !videoSink || !capsFilter)</div><div> {</div><div> g_printerr("Cannot create video elements \n");</div><div> return 0;</div><div> }</div><div> gst_bin_add_many(GST_BIN(pipeline), source,</div></div><div><div> audioQueue, audioDepay, audioParse, audioDecode, audioConvert, audioResample, audioSink,</div><div> videoQueue, videoDepay, videoParser, videoDecode, videoConvert, videoScale, videoSink, NULL);</div><div><br></div><div> if (!gst_element_link_many(audioQueue, audioDepay, audioParse, audioDecode, audioConvert, audioResample, audioSink, NULL))</div><div> {</div><div> g_printerr("Cannot link audio elements \n");</div><div> return 0;</div><div> }</div><div><br></div><div> /*Linking filter element to videoScale and videoSink */</div><div> link_ok = gst_element_link_filtered(videoScale,videoSink, capsFilter);</div><div> gst_caps_unref (capsFilter);</div><div> if (!link_ok) {</div><div> g_warning ("Failed to link element1 and element2!");</div><div> return 0;</div><div> }</div><div> if (!gst_element_link_many(videoQueue, videoDepay, videoParser, videoDecode, videoConvert, NULL))</div><div> {</div><div> g_printerr("Cannot link audio elements \n");</div><div> return 0;</div><div> }</div><div> g_signal_connect(source, "pad-added", G_CALLBACK(onPadAdded), NULL);</div><div><br></div><div> /* Start playing */</div><div> gst_element_set_state ( pipeline, GST_STATE_PLAYING);</div><div><br></div><div> /* Wait until error or EOS */</div><div> bus = gst_element_get_bus (pipeline);</div><div> msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS);</div><div><br></div><div> /* Free resources */</div><div> if (msg != NULL)</div><div> gst_message_unref (msg);</div><div> gst_object_unref (bus);</div><div> gst_element_set_state (pipeline, GST_STATE_NULL);</div><div> gst_object_unref (pipeline);</div><div> return 0;</div></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jan 25, 2017 at 11:42 AM, Rajvi Kamdar <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=4681629&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Nope you are right with that pads are actually getting created. I debugged more by increasing the debug level. Found that there is some issue with pushing data buffer. Cannot figure out what it exactly means though.<div>Attaching the logs if you can help:</div><div><br></div><div><div>0:00:16.349383662 2327 0xb30060c0 INFO GST_ELEMENT_PADS gstelement.c:643:gst_element_<wbr>add_pad:<rtpptdemux1> adding pad 'src_96'</div><div>0:00:16.349645086 2327 0xb30060c0 INFO GST_PADS gstpad.c:2186:gst_pad_link_<wbr>prepare: trying to link rtpptdemux1:src_96 and recv_rtp_src_1_279848886_96:<wbr>proxypad9</div><div>0:00:16.349711009 2327 0xb30060c0 INFO GST_PADS gstpad.c:2388:gst_pad_link_<wbr>full: linked rtpptdemux1:src_96 and recv_rtp_src_1_279848886_96:<wbr>proxypad9, successful</div><div>0:00:16.349766663 2327 0xb30060c0 INFO GST_EVENT gstevent.c:1373:gst_event_new_<wbr>reconfigure: creating reconfigure event</div><div>0:00:16.349919971 2327 0xb30060c0 INFO GST_ELEMENT_PADS gstelement.c:643:gst_element_<wbr>add_pad:<manager> adding pad 'recv_rtp_src_1_279848886_96'</div><div>0:00:16.681462663 2327 0xb30060c0 INFO GST_PADS gstpad.c:2186:gst_pad_link_<wbr>prepare: trying to link manager:recv_rtp_src_1_<wbr>279848886_96 and recv_rtp_src_1_279848886_96:<wbr>proxypad10</div><div>0:00:16.681531163 2327 0xb30060c0 INFO GST_PADS gstpad.c:2388:gst_pad_link_<wbr>full: linked manager:recv_rtp_src_1_<wbr>279848886_96 and recv_rtp_src_1_279848886_96:<wbr>proxypad10, successful</div><div>0:00:16.681588625 2327 0xb30060c0 INFO GST_EVENT gstevent.c:1373:gst_event_new_<wbr>reconfigure: creating reconfigure event</div><div>0:00:16.681726702 2327 0xb30060c0 INFO GST_ELEMENT_PADS gstelement.c:643:gst_element_<wbr>add_pad:<rtsp-source> adding pad 'recv_rtp_src_1_279848886_96'</div><span class=""><div>name of caps struct string: application/x-rtp </div><div>name of caps string: application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(string)MPEG4-<wbr>GENERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15, m</div><div>ode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, profile=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-ch</div></span><div>arset=(string)UTF-8, ssrc=(uint)279848886, clock-base=(uint)3447297483, seqnum-base=(uint)21447, npt-start=(guint64)<wbr>62586725174000, play-speed=(double)1, play-scale=(double)1 </div><div>here .....1 </div><div>0:00:16.682087741 2327 0xb30060c0 INFO GST_ELEMENT_PADS gstelement.c:895:gst_element_<wbr>get_static_pad: found pad audio-depayer:sink</div><div>0:00:16.682160472 2327 0xb30060c0 INFO GST_PADS gstpad.c:2186:gst_pad_link_<wbr>prepare: trying to link rtsp-source:recv_rtp_src_1_<wbr>279848886_96 and audio-depayer:sink</div><div>0:00:16.682366550 2327 0xb30060c0 INFO GST_PADS gstpad.c:2388:gst_pad_link_<wbr>full: linked rtsp-source:recv_rtp_src_1_<wbr>279848886_96 and audio-depayer:sink, successful</div><div>0:00:16.682424358 2327 0xb30060c0 INFO GST_EVENT gstevent.c:1373:gst_event_new_<wbr>reconfigure: creating reconfigure event</div><div> Link succeeded (type 'application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(string)MPEG4-<wbr>GENERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15</div><div>, mode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, profile=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a</div><div>-charset=(string)UTF-8, ssrc=(uint)279848886, clock-base=(uint)3447297483, seqnum-base=(uint)21447, npt-start=(guint64)<wbr>62586725174000, play-speed=(double)1, play-scale=(double)1').</div><div>0:00:16.683200668 2327 0xb30060c0 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event audio/mpeg, mpegversion=(int)4, stream-format=(string)raw, codec_data=(buffer)1210</div><div>0:00:16.683362207 2327 0xb30060c0 INFO GST_PADS gstpad.c:3745:gst_pad_peer_<wbr>query:<audio-parser:src> pad has no peer</div><div>0:00:16.683574938 2327 0xb30060c0 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event audio/mpeg, mpegversion=(int)4, stream-format=(string)raw, codec_data=(buffer)1210, framed=(boolea</div><div>n)true, level=(string)2, base-profile=(string)lc, profile=(string)lc, rate=(int)44100, channels=(int)2</div><div>0:00:16.683692208 2327 0xb30060c0 INFO baseparse gstbaseparse.c:3585:gst_base_<wbr>parse_set_passthrough:<audio-<wbr>parser> passthrough: yes</div><div>0:00:17.015041706 2327 0xb30060c0 INFO GST_EVENT gstevent.c:759:gst_event_new_<wbr>segment: creating segment event time segment start=0:00:00.000000000, offset=0:00:00.000000000, stop=99:99:99.999999999, rat</div><div>e=1.000000, applied_rate=1.000000, flags=0x00, time=17:23:06.725174000, base=0:00:00.000000000, position 0:00:00.000000000, duration 99:99:99.999999999</div><div>0:00:17.015638093 2327 0xb30060c0 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(str</div><div>ing)MPEG4-GENERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15, mode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, pro</div><div>file=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-charset=(string)UTF-8, ssrc=(uint)279848886, clock-base=(uint)3447297483, seqnum-base=(uint)21447, npt-start=(guint64)625</div><div>86725174000, play-speed=(double)1, play-scale=(double)1</div><div><b>0:00:17.143650771 2327 0xb430ec00 INFO basesrc gstbasesrc.c:2841:gst_base_<wbr>src_loop:<udpsrc1> pausing after gst_pad_push() = not-linked</b></div><div>0:00:17.159881511 2327 0xb430ec00 WARN basesrc gstbasesrc.c:2933:gst_base_<wbr>src_loop:<udpsrc1> error: Internal data flow error.</div><div>0:00:17.175436364 2327 0xb430ec00 WARN basesrc gstbasesrc.c:2933:gst_base_<wbr>src_loop:<udpsrc1> error: streaming task paused, reason not-linked (-1)</div><div>0:00:17.192878876 2327 0xb430ec00 INFO GST_ERROR_SYSTEM gstelement.c:1835:gst_element_<wbr>message_full:<udpsrc1> posting message: Internal data flow error.</div><div>0:00:17.210512927 2327 0xb430ec00 INFO GST_ERROR_SYSTEM gstelement.c:1858:gst_element_<wbr>message_full:<udpsrc1> posted error message: Internal data flow error.</div><div>0:00:17.228713441 2327 0xb430ec00 INFO task gsttask.c:300:gst_task_func:<<wbr>udpsrc1:src> Task going to paused</div><div>0:00:17.158788123 2327 0xb430ec30 WARN rtpjitterbuffer rtpjitterbuffer.c:494:<wbr>calculate_skew: delta - skew: 0:00:01.458641493 too big, reset skew</div><div>0:00:17.243162944 2327 0xb430ec30 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(str</div><div>ing)MPEG4-GENERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15, mode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, pro</div><div>file=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-charset=(string)UTF-8, ssrc=(uint)279848886, clock-base=(uint)3447297483, seqnum-base=(uint)21447, npt-start=(guint64)625</div><div>86725174000, play-speed=(double)1, play-scale=(double)1</div><div>0:00:17.243837600 2327 0xb430ec30 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(str</div><div>ing)MPEG4-GENERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15, mode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, pro</div><div>file=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-charset=(string)UTF-8, ssrc=(uint)279848886, clock-base=(uint)3447297483, seqnum-base=(uint)21447, npt-start=(guint64)625</div><div>86725174000, play-speed=(double)1, play-scale=(double)1</div><div>0:00:17.245265643 2327 0xb30060c0 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(str</div><div>ing)MPEG4-GENERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15, mode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, pro</div><div>file=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-charset=(string)UTF-8, ssrc=(uint)279848886, clock-base=(uint)3447297483, seqnum-base=(uint)21447, npt-start=(guint64)625</div><div>86725174000, play-speed=(double)1, play-scale=(double)1</div><div>0:00:17.775943951 2327 0xb430ec30 WARN rtpjitterbuffer rtpjitterbuffer.c:494:<wbr>calculate_skew: delta - skew: 0:00:02.080126874 too big, reset skew</div><div>0:00:18.401815460 2327 0xb430ec90 INFO GST_EVENT gstevent.c:759:gst_event_new_<wbr>segment: creating segment event time segment start=0:00:00.000000000, offset=0:00:00.000000000, stop=99:99:99.999999999, rat</div><div>e=1.000000, applied_rate=1.000000, flags=0x00, time=0:00:00.000000000, base=0:00:00.000000000, position 0:00:00.000000000, duration 99:99:99.999999999</div><div>0:00:18.402094922 2327 0xb430ec90 INFO basesrc gstbasesrc.c:2828:gst_base_<wbr>src_loop:<udpsrc5> marking pending DISCONT</div><div>0:00:18.402501115 2327 0xb430ec90 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event application/x-rtcp, ssrc=(uint)279848886</div><div>0:00:18.402832655 2327 0x19200 INFO GST_BUS gstbus.c:549:gst_bus_timed_<wbr>pop_filtered:<bus1> we got woken up, recheck for message</div><div>0:00:18.486812322 2327 0xb430ec60 INFO GST_EVENT gstevent.c:759:gst_event_new_<wbr>segment: creating segment event time segment start=0:00:00.000000000, offset=0:00:00.000000000, stop=99:99:99.999999999, rat</div><div>e=1.000000, applied_rate=1.000000, flags=0x00, time=0:00:00.000000000, base=0:00:00.000000000, position 0:00:00.000000000, duration 99:99:99.999999999</div><div>0:00:18.487228515 2327 0xb430ec60 INFO basesrc gstbasesrc.c:2828:gst_base_<wbr>src_loop:<udpsrc2> marking pending DISCONT</div><div>0:00:18.487556593 2327 0xb430ec60 INFO GST_EVENT gstevent.c:678:gst_event_new_<wbr>caps: creating caps event application/x-rtcp, ssrc=(uint)315363940</div><div>0:00:18.487809248 2327 0x19200 INFO GST_BUS gstbus.c:549:gst_bus_timed_<wbr>pop_filtered:<bus1> we got woken up, recheck for message</div><div>0:02:54.569395311 2327 0xb430ec60 INFO basesrc gstbasesrc.c:2724:gst_base_<wbr>src_loop:<udpsrc2> pausing after gst_base_src_get_range() = eos</div><div>0:02:54.586390906 2327 0xb430ec30 INFO basesrc gstbasesrc.c:2724:gst_base_<wbr>src_loop:<udpsrc4> pausing after gst_base_src_get_range() = eos</div><div>0:02:54.603107924 2327 0xb430ec60 INFO task gsttask.c:300:gst_task_func:<<wbr>udpsrc2:src> Task going to paused</div><div>0:02:54.617068779 2327 0xb430ec90 INFO basesrc gstbasesrc.c:2724:gst_base_<wbr>src_loop:<udpsrc5> pausing after gst_base_src_get_range() = eos</div><div>0:02:54.633440757 2327 0xb30060c0 INFO task gsttask.c:300:gst_task_func:<<wbr>rtpjitterbuffer1:src> Task going to paused</div><div>0:02:54.633540296 2327 0xb430ec30 INFO task gsttask.c:300:gst_task_func:<<wbr>udpsrc4:src> Task going to paused</div><div>0:02:54.662663240 2327 0xb430ec90 INFO task gsttask.c:300:gst_task_func:<<wbr>udpsrc5:src> Task going to paused</div></div><div><br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jan 25, 2017 at 11:30 AM, Tarun Tej K [via GStreamer-devel] <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=4681629&i=1" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto"><div>Ok, as you suspected may be the pad is not really getting created.<div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">How about not linking if the dynamic pad is NULL. See below:</div><div dir="auto"><br></div><div dir="auto"><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> if (g_strrstr(capsName,"audio"))</div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> {</div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> GstPad *dynamic_pad = gst_element_get_static_pad(aud<wbr>ioDepay, "sink");</div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><font color="#2196f3">g_assert(dynamic_pad!=NULL);</font></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><span style="font-size:13.696px"><font color="#2196f3"> g_print("pad created .....1 \n");</font></span><br></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><div style="color:purple"> gst_pad_link(pad, dynamic_pad);</div><div dir="auto"><font color="#2196f3">gst_object_unref(dynamic_pad);</font></div><span><div style="color:purple"> }</div><div style="color:purple"><br></div><div style="color:purple"> else if (g_strrstr(capsName, "video"))</div><div style="color:purple"> {</div></span></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> </div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> GstPad *video_dynamic_pad= gst_element_get_static_pad(vid<wbr>eoDepay, "sink");</div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><font color="#2196f3"><span style="font-size:13.696px">g_assert(video_dynamic_pad!=NU<wbr>LL);</span><br></font></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><span style="font-size:13.696px"><font color="#2196f3">g_print("pad created .....2 \n");</font></span><br></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> gst_pad_link(pad, video_dynamic_pad);</div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><br></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"><span style="font-size:13.696px"><font color="#2196f3">gst_object_unref(video_dynamic<wbr>_pad);</font></span><br></div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> }</div><div style="font-family:sans-serif;font-size:13.696px" dir="auto"> g_free(capsName);</div></div><div dir="auto"><br></div><br><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_300001282282698494h5">On 25-Jan-2017 11:02 AM, "rajvik" <<a href="http:///user/SendEmail.jtp?type=node&node=4681627&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>> wrote:<br type="attribution"></div></div><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' style="border-left:2px solid #cccccc;padding:0 1em" class="m_300001282282698494m_8069358388775900128quote"><div><div class="m_300001282282698494h5"><div dir="ltr">Getting same error even if linking with audio and video depay<div>error logs:</div><div><div><br></div><div>0:00:00.526193431 2163 0xb440e180 WARN rtpjitterbuffer rtpjitterbuffer.c:185:rtp_jitt<wbr>er_buffer_set_clock_rate: Clock rate changed from 0 to 90000</div><div>0:00:00.552156505 2163 0xb440e230 WARN rtpjitterbuffer rtpjitterbuffer.c:185:rtp_jitt<wbr>er_buffer_set_clock_rate: Clock rate changed from 0 to 44100</div><div class="m_300001282282698494m_8069358388775900128quoted-text"><div>name of caps struct string: application/x-rtp </div></div><div class="m_300001282282698494m_8069358388775900128quoted-text"><div>name of caps string: application/x-rtp, media=(string)video, payload=(int)96, clock-rate=(int)90000, encoding-name=(string)H264, packetization-mode=(string)1, profile-level-id=(string)42801<wbr>e, sprop-parameter-sets=(str</div></div><div>ing)"Z0KAHpZWDY/yf/gACAAKhAAAD<wbr>6QAA6mDgAAC3GAAFuNvxjg7QsXc\,a<wbr>MqNSA\=\=", a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-charset=(string)UTF-8, ssrc=(uint)3625393740, clock-base=(uint)27</div><div>09244179, seqnum-base=(uint)46478, npt-start=(guint64)60293455191<wbr>000, play-speed=(double)1, play-scale=(double)1 </div><div class="m_300001282282698494m_8069358388775900128quoted-text"><div>name of caps struct string: application/x-rtp </div><div>name of caps string: application/x-rtp, media=(string)audio, payload=(int)96, clock-rate=(int)44100, encoding-name=(string)MPEG4-GE<wbr>NERIC, encoding-params=(string)2, streamtype=(string)5, profile-level-id=(string)15, m</div><div>ode=(string)AAC-hbr, config=(string)1210, sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3, profile=(string)1, a-tool=(string)"vlc\ 2.1.6", a-recvonly=(string)"", a-type=(string)broadcast, a-ch</div></div><div>arset=(string)UTF-8, ssrc=(uint)3051532542, clock-base=(uint)3346164277, seqnum-base=(uint)2401, npt-start=(guint64)60293455191<wbr>000, play-speed=(double)1, play-scale=(double)1 </div><div>here .....2 </div><div>here .....1 </div><div>0:00:00.714840440 2163 0xb440e180 WARN basesrc gstbasesrc.c:2933:gst_base_src<wbr>_loop:<udpsrc4> error: Internal data flow error.</div><div>0:00:00.733348867 2163 0xb440e180 WARN basesrc gstbasesrc.c:2933:gst_base_src<wbr>_loop:<udpsrc4> error: streaming task paused, reason not-linked (-1)</div><div>^C</div></div><div><br></div><div><br><div>code snippet: </div></div><div><div class="m_300001282282698494m_8069358388775900128quoted-text"><div>static void onPadAdded(GstElement *element, GstPad *pad, gpointer data)</div><div>{</div></div><div>#if 1</div><div class="m_300001282282698494m_8069358388775900128quoted-text"><div> GstCaps *caps;</div><div> const char *name;</div><div> char *capsName;</div><div> caps = gst_pad_get_current_caps(pad);</div><div> GstStructure *str = gst_caps_get_structure(caps, 0);</div><div> name = gst_structure_get_name(str);</div><div> g_print("name of caps struct string: %s \n", name);</div><div> capsName = gst_caps_to_string(caps);</div><div> g_print("name of caps string: %s \n", capsName);</div></div><div>#endif</div><div> if (g_strrstr(capsName,"audio"))</div><div> {</div><div> g_print("here .....1 \n");</div><div> GstPad *dynamic_pad = gst_element_get_static_pad(aud<wbr>ioDepay, "sink");</div><div class="m_300001282282698494m_8069358388775900128quoted-text"><div> gst_pad_link(pad, dynamic_pad);</div><div> }</div><div><br></div><div> else if (g_strrstr(capsName, "video"))</div><div> {</div></div><div> g_print("here .....2 \n");</div><div> GstPad *video_dynamic_pad= gst_element_get_static_pad(vid<wbr>eoDepay, "sink");</div><div> gst_pad_link(pad, video_dynamic_pad);</div><div> }</div><div> g_free(capsName);</div><div><br></div><div>}</div></div></div></div></div><div><div class="m_300001282282698494h5"><div class="gmail_extra"><br><div class="gmail_quote"><div class="m_300001282282698494m_8069358388775900128quoted-text">On Wed, Jan 25, 2017 at 10:30 AM, Tarun Tej K [via GStreamer-devel] <span dir="ltr"><<a href="http:///user/SendEmail.jtp?type=node&node=4681626&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span> wrote:<br></div><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' style="border-left:2px solid #cccccc;padding:0 1em" class="gmail_quote">
<div dir="auto"><div class="m_300001282282698494m_8069358388775900128quoted-text">The pad gets created and that is what you see after the 'name of caps string' in your debug info.</div><div dir="auto"><div class="m_300001282282698494m_8069358388775900128quoted-text"><br><div dir="auto"><span style="font-family:sans-serif">In the code snippet you've linked audioQueue and videoQueue with the pads. Have you tried linking the respective pads with audioDepay and videoDepay directly without using the queues at all? Since you're not reading the audio and video into different sinks (audiosink and ximagesink), we don't need the queue anymore. Us</span></div><div dir="auto"><span style="font-family:sans-serif">e the pads of rtspsrc to link with the respective depayloders.</span><br></div><div dir="auto"><span style="font-family:sans-serif"><br></span></div><div dir="auto"><span style="font-family:sans-serif">Tarun</span></div></div><div dir="auto"><br><div dir="auto"><br><div class="gmail_extra"><br><div class="gmail_quote"><div class="m_300001282282698494m_8069358388775900128elided-text"><span>On 25-Jan-2017 9:33 AM, "rajvik" <<a href="http:///user/SendEmail.jtp?type=node&node=4681625&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>> wrote:<br type="attribution"></span></div><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' style="border-left:2px solid #cccccc;padding:0 1em" class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478quote"><div class="m_300001282282698494m_8069358388775900128elided-text"><span><div dir="ltr">When I try to get the name of the pad, it says EMPTY.<div>I do not know how do we find that a pad has been created or not.</div><div><br></div><div>Rajvi</div></div></span><div><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826h5"><div class="gmail_extra"><br><div class="gmail_quote"><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478elided-text">On Tue, Jan 24, 2017 at 10:45 PM, Ian Davidson [via GStreamer-devel] <span dir="ltr"><<a href="http:///user/SendEmail.jtp?type=node&node=4681624&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span> wrote:<br></div><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' style="border-left:2px solid #cccccc;padding:0 1em" class="gmail_quote"><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478elided-text">
I may be way off course here - but when you are notified that a pad has
<br>been added, don't you want to find the name of the PAD, not the name of
<br>the CAPS?
<br><br>(See
<br><a href="https://gstreamer.freedesktop.org/documentation/application-development/basics/pads.html" rel="nofollow" link="external" target="_blank">https://gstreamer.freedesktop.<wbr>org/documentation/application-<wbr>development/basics/pads.html</a>)
<br><br>Ian
<br><br><br>On 24/01/2017 14:45, rajvik wrote:
<br>> SNIP SNIP
<br><div><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478m_8956883991239427564h5"><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478m_8956883991239427564m_624516158085767003shrinkable-quote"><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478m_8956883991239427564shrinkable-quote"><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826m_-2698758371948032478shrinkable-quote"><div class="m_300001282282698494m_8069358388775900128m_8584713559998024826shrinkable-quote"><div class="m_300001282282698494m_8069358388775900128shrinkable-quote"><div class='shrinkable-quote'><br>> Any idea as to how to move forward with this?
<br>> Code snippet:
<br>>
<br>> GstElement *audioQueue, *videoQueue;
<br>> GstElement *source, *audio, *video, *convert, *pipeline, *audioDepay,
<br>> *audioParse, *audioDecode, *audioConvert, *audioResample,
<br>> *audioSink, *videoDepay, *videoParser, *videoDecode, *videoConvert,
<br>> *videoScale, *videoSink;
<br>>
<br>> static void onPadAdded(GstElement *element, GstPad *pad, gpointer data)
<br>> {
<br>> GstCaps *caps;
<br>> const char *name;
<br>> char *capsName;
<br>> caps = gst_pad_get_current_caps(pad);
<br>> GstStructure *str = gst_caps_get_structure(caps, 0);
<br>> name = gst_structure_get_name(str);
<br>> g_print("name of caps struct string: %s \n", name);
<br>> capsName = gst_caps_to_string(caps);
<br>> g_print("name of caps string: %s \n", capsName);
<br>> if (g_strrstr(capsName,"audio"))
<br>> {
<br>> GstPad *dynamic_pad =
<br>> gst_element_get_static_pad(aud<wbr>ioQueue, "sink");
<br>> gst_pad_link(pad, dynamic_pad);
<br>> }
<br>>
<br>> else if (g_strrstr(capsName, "video"))
<br>> {
<br>> GstPad *video_dynamic_pad =
<br>> gst_element_get_static_pad(vid<wbr>eoQueue, "sink");
<br>> gst_pad_link(pad, video_dynamic_pad);
<br>> }
<br>> g_free(capsName);
<br>>
<br>>
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