Fix deadlocks when exporting #7449
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A potential infinite wait can happen when closing the FIFO thread if m_stopped is set to true and the device thread never reads the null buffer that signals that the FIFO thread is closing.
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Probably will separate this PR because some of the export fixes may require some larger refactoring. |
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Should fix some bugs with export.
Fixes the "export bomb" bug, where when exporting an empty project, the bug makes it so that the
ProjectRendererthread keeps rendering silence as fast as possible, eliminating the space on the hard drive in seconds.Should fix an export deadlock when exporting an empty project when it reaches 100%
These classes probably need more thorough refactoring though.