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Avoid creating tiny (possibly only 64 bytes large) audio packets resulting in 

huge processing and memory usage overhead for avi files with raw PCM audio.

Originally committed as revision 22521 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-03-14 13:38:00 +00:00
parent 686c781766
commit 28eb577390
1 changed files with 2 additions and 1 deletions
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3
libavformat/avidec.c
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@ -749,7 +749,8 @@ resync:
if(ast->sample_size <= 1) // minorityreport.AVI block_align=1024 sample_size=1 IMA-ADPCM
size= INT_MAX;
else if(ast->sample_size < 32)
size= 64*ast->sample_size;
// arbitrary multiplier to avoid tiny packets for raw PCM data
size= 1024*ast->sample_size;
else
size= ast->sample_size;