[Libav-user] Cached Frames

[James Board]

In the libAV examples distributed with ffmpeg, I see the following code:

    // Flush cache frames
    do {
        decode_packet(&got_frame, 1);
    } while (got_frame);

What are cached frames and what does the above do?  Is this explained
anywhere?

In my libav app, I'm trying to do simple edits.  So, I seek to the edit-start,
decode all packets until I reach the edit-end, then seek to the next
edit-start.  After all edits are processed, I call the above (not knowing
what it does) and it loops forever.
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