Hi,
qtdemux has sometime pads on source side (look at 'gst-inspect-1.0').
See in the documentation how to link sometime pads.
Bernhard
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Von: gstreamer-devel [mailto:
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Im Auftrag von VVcbvb
Gesendet: Sonntag, 29. Oktober 2017 14:41
An:
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Betreff: Can not link elements from GStreamer library with function
gst_element_link_many
I created in main next elements and I am trying to link them to play video,
but result of gst_element_link_many is always FALSE.
GstElement *pipeline, *videosrc, *videoenc, *muxer, *sink;
pipeline = gst_pipeline_new ("video-player");
videosrc = gst_element_factory_make ("filesrc", "videosrc");
muxer = gst_element_factory_make ("qtdemux", "mux");
videoenc = gst_element_factory_make ("avdec_mpeg4", "videoenc");
sink = gst_element_factory_make ("autovideosink", "sink");
g_object_set (G_OBJECT (videosrc), "location", argv[1], NULL);
gst_bin_add_many (GST_BIN (pipeline), videosrc, muxer, videoenc, sink,
NULL);
/* link the elements together */
int resLinkMany = gst_element_link_many (videosrc, muxer, videoenc, sink,
NULL);
printf(" resLinkMany = %d \n", resLinkMany); //I get 0
In general I am trying to launch video, but it didn't work because of
incorrect linking. Here is the full code of my program:
https://pastebin.com/BER1BZDU--
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