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2a353381f3
When a video filter returned inf as PTS, the player crashed. One reason for this was that decode_audio() was called with a negative minlen parameter, which at some point caused it to call a memory allocation function with a ridiculous value, triggering an out of memory code path in talloc.c. (talloc.c has been modified to abort() on out of memory situations.) Fix this by sanity checking minlen in decode_audio(). (The check against outbuf->len always succeeded, because it's an unsigned comparison.) Make an existing sanity check in mplayer.c more robust: check for NaN too, which happens if the video PTS is inf. This happened with "-vf pullup,softpulldown" (but is not triggered when the following commit is applied).