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qtmux: In prefill mode, only pad buffers with > 0 sized memories as needed

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Adding a 0-byte memory has not much effect.

Also add some debug output.
This commit is contained in:
Sebastian Dröge 2017-05-11 19:21:22 +02:00
parent 63492ee141
commit 10f4693163
1 changed files with 12 additions and 7 deletions
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5
gst/isomp4/gstqtmux.c
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@ -4096,6 +4096,10 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
goto bail;
}
if (fill_size > 0) {
GST_DEBUG_OBJECT (qtmux,
"Padding buffer by %u bytes to reach required %u bytes", fill_size,
required_buffer_size);
mem = gst_allocator_alloc (NULL, fill_size, NULL);
gst_memory_map (mem, &map, GST_MAP_WRITE);
memset (map.data, 0, map.size);
@ -4104,6 +4108,7 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
gst_buffer_append_memory (last_buf, mem);
buffer_size = required_buffer_size;
}
}
/* duration actually means time delta between samples, so we calculate
* the duration based on the difference in DTS or PTS, falling back