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avf: introduce nobuffer option

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Useful in cases where a significant analyzeduration is
still needed, while minimizing buffering before output.

An example is processing low-latency streams where all
media types won't necessarily come in if the
analyzeduration is small.

Additional changes by Josh Allmann <joshua.allmann@gmail.com>

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Luca Barbato
2012-07-26 16:35:12 -07:00
committed by Anton Khirnov
parent d905c64406
commit 681ed00099
5 changed files with 15 additions and 5 deletions
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doc/APIchanges
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@@ -13,6 +13,9 @@ libavutil: 2011-04-18
API changes, most recent first:
2012-07-xx - xxxxxxx - lavf 54.13.0 - avformat.h
Add AVFMT_FLAG_NOBUFFER for low latency use cases.
2012-07-xx - xxxxxxx - lavfi 3.0.0 - avfilter.h
Add avfilter_unref_bufferp().