Fix Deadlock when stressing the player with multiple seeks

databrary / datavyu-ffmpegplugin

A Java Media Player based on FFmpeg and SDL2

GNU General Public License v3.0

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Fix Deadlock when stressing the player with multiple seeks #184

Closed TheoWolf closed 5 years ago

TheoWolf commented 5 years ago

To underlying issues are causing this behavior:

NaN returns by the image clock after a seek.
Deadlock caused by the condition variable that is supposed to bloc until the seek is done

Note: a final fix would be to buffer consecutive seeks and process requests in a FIFO queue in order to remove the Deadlock, a time out (A workaround) will be used in the 0.22 version