Greetins!
I am stuck with the following inexplicable GStreamer playback
behavior. Maybe someone has a clue?
1. Both
gst-launch filesrc location=file.png ! decodebin2 ! imagefreeze !
ffmpegcolorspace ! xvimagesink
and
gst-launch filesrc location=file.jpg ! decodebin2 ! imagefreeze !
ffmpegcolorspace ! xvimagesink
work fine, and I can even swap imagefreeze ! ffmpegcolorspace.
2. However, when I turn it into the C-code (omitting declarations and checks):
src = gst_element_factory_make ("filesrc", "source");
g_object_set (src, "location", fname, NULL);
dec = gst_element_factory_make ("decodebin2", "decoder");
img_freeze = gst_element_factory_make ("imagefreeze", "image_freeze");
conv = gst_element_factory_make ("ffmpegcolorspace", "ffmpeg-colorspace");
sink = gst_element_factory_make ("ximagesink", "sink");
gst_bin_add_many (GST_BIN (pipeline),
src,
dec,
conv,
img_freeze,
sink, NULL);
gst_element_link (src, dec);
g_signal_connect (dec, "pad-added", G_CALLBACK (on_pad_added),
conv); // dynamic pad link
gst_element_link_many (conv, img_freeze, sink, NULL);
Then it works as expected if fname is a .png file, but hangs if fname
is a .jpg file
I caught all messages on the bus, as well as in the callback in the //
dynamic pad link above.
It just hangs with no reports on .jpg files
Any ideas?
Many thanks!
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