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gstbuffer: reset buffer to its original size if intact

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Enhance default_reset_buffer() to resize the buffer to its full size if the
memory hasn't changed. This allows to reuse the buffer even if the offset has
changed or the size has shrunk, rather than freeing the buffer.

Change related to: https://bugzilla.gnome.org/show_bug.cgi?id=772841
This commit is contained in:
Petr Kulhavy 2016-11-14 15:35:50 +01:00 committed by Nicolas Dufresne
parent 29e81988fb
commit 7d75d3ef41
1 changed files with 4 additions and 0 deletions
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4
gst/gstbufferpool.c
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@ -1226,6 +1226,10 @@ default_reset_buffer (GstBufferPool * pool, GstBuffer * buffer)
GST_BUFFER_OFFSET (buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (buffer) = GST_BUFFER_OFFSET_NONE;
/* if the memory is intact reset the size to the full size */
if (!GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_TAG_MEMORY))
gst_buffer_resize (buffer, 0, pool->priv->size);
/* remove all metadata without the POOLED flag */
gst_buffer_foreach_meta (buffer, remove_meta_unpooled, pool);
}