Not all applications (e.g. MPlayer) set block_align, and when using a different demuxer it might not even be easily available. So fall back to selecting mode based on bit rate as before if block_align has not useful value. It can't be worse than failing to decode completely. (cherry picked from commit 1d0d63052b82c76e10c45cd38cdd27677de72e81) CC: libav-stable@libav.org Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Libav README ------------ 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * See the LICENSE file.
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