Copies the first sample for the given tag in the taglist into the variable
pointed to by sample. Free the sample with gst_sample_unref() when it is
no longer needed. You can retrieve the buffer from the sample using
gst.sample.Sample.getBuffer and the associated caps (if any) with
gst.sample.Sample.getCaps.
Copies the first sample for the given tag in the taglist into the variable pointed to by sample. Free the sample with gst_sample_unref() when it is no longer needed. You can retrieve the buffer from the sample using gst.sample.Sample.getBuffer and the associated caps (if any) with gst.sample.Sample.getCaps.
Free-function: gst_sample_unref