libogg documentation | libogg release 1.3.4 - 20190830

# ogg_stream_flush

declared in "ogg/ogg.h";

This function checks for remaining packets inside the stream and forces remaining packets into a page, regardless of the size of the page.

This should only be used when you want to flush an undersized page from the middle of the stream. Otherwise, ogg_stream_pageout or ogg_stream_pageout_fill should always be used.

This function can also be used to verify that all packets have been flushed. If the return value is 0, all packets have been placed into a page. Like ogg_stream_pageout, it should generally be called in a loop until available packet data has been flushes, since even a single packet may span multiple pages.

    int ogg_stream_flush(ogg_stream_state *os, ogg_page *og);

### Parameters

os
  Pointer to a previously declared ogg_stream_state struct, which represents the current logical bitstream.
og
  Pointer to a page of data. The remaining packets in the stream will be placed into this page, if any remain.

### Return Values

> - 0 means that all packet data has already been flushed into pages, and there are no packets to put into the page. 0 is also returned in the case of an ogg_stream_state that has been cleared explicitly or implicitly due to an internal error.
> - Nonzero means that remaining packets have successfully been flushed into the page.

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libogg documentation | libogg release 1.3.4 - 20190830