Appsrc produces silent audio

[Yasushi SHOJI]

On Tue, Jun 27, 2017 at 8:35 PM, dingoegret <sephvelut at gmail.com> wrote:
>
> It writes to test.wav - places bytes in there - but there is no actual
audio
> data. Just a blank file filled with bytes

ah,

    gst_buffer_map(buffer, &map, GST_MAP_WRITE);
    file_stream.rdbuf()->sgetn(&chunk[0], chunk.size());
    map.data = (guint8 *) chunk.data();
    gst_buffer_unmap(buffer, &map);

This does not work.  memcpy() it, or use gst_buffer_fill().
-- 
               yashi
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