qtmux: handle 0 size packets without dividing by 0
Coverity 1139691
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@ -2387,7 +2387,10 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
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} else {
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nsamples = gst_buffer_get_size (last_buf) / sample_size;
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}
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duration = GST_BUFFER_DURATION (last_buf) / nsamples;
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if (nsamples > 0)
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duration = GST_BUFFER_DURATION (last_buf) / nsamples;
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else
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duration = 0;
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/* timescale = samplerate */
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scaled_duration = 1;
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