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

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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;