#942: swresample leaks memory when sampling up
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Reporter: beafdefx | Owner: michael
Type: defect | Status: closed
Priority: normal | Component: swresample
Version: git-master | Resolution: invalid
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by reimar):
I am not sure what kind of solution you are thinking of exactly, and I
haven't tested ant of these.
Most of the time, just making the buffer a bit larger so it can take a few
extra samples when necessary should work I guess.
An alternative if that's no good is to call the resample function with 0
size input buffer.
If you absolutely always want to have a completely filled fixed-size
output buffer you'd probably have to keep track of the rounding error and
do the 0-size input buffer exactly at the right point.
However that is complex and very brittle code.
Another option would be to add a function to libswresample that will
return the number of buffered samples.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/942#comment:14>
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