Hi developers,
I'm trying to use
g_signal_emit_by_name(playbin2, "convert-frame", caps, &buf);
to receive images in the format I need. I set this format using
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
"depth", G_TYPE_INT, 24,
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"red_mask", G_TYPE_INT, 0xff0000,
"green_mask", G_TYPE_INT, 0x00ff00,
"blue_mask", G_TYPE_INT, 0x0000ff,
NULL
);
If I pass NULL instead of caps to the function, the signal will be
emitted and everything is fine. But as soon as I change it to caps my
application stops at this function. So I assume the signal will not be
emitted. My playbin2 is in playing state and works fine so far. I'm
currently using another function that creates a second pipeline to set
the new format for me but this is very inefficient. If possible, I'd
like to use "convert-frame". I am using a gthread in my program and use
the g_signal_emit_by_name in my thread loop. Any hints why my
application freezes?
Thanks in advance,
Steffen Liebscher
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