ffmpeg | branch: master | Tian Qi | Fri Aug 28 09:13:02
2020 +0800| [9837f5a64322e89f825a99f14c1a0d27b17b183c] | committer: Rick Kern
avcodec/videotoolboxenc: move pthread_cond_signal after add buffer to the queue
In the VT encoding insertion by FFmpeg,
and vtenc_q_push is callback to add the
ffmpeg | branch: master | Tian Qi | Thu Aug 27 10:53:27
2020 +0800| [1cbea3f9caa8d8641f749219a0c207320908778f] | committer: Rick Kern
avcodec/videotoolboxenc: don't wait when flushing data
because there is run in thread mode, few times will block
the workflow at the wait, so check the s
