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lavc: use a separate field for exporting audio encoder padding

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Currently, the amount of padding inserted at the beginning by some audio
encoders, is exported through AVCodecContext.delay. However
- the term 'delay' is heavily overloaded and can have multiple different
  meanings even in the case of audio encoding.
- this field has entirely different meanings, depending on whether the
  codec context is used for encoding or decoding (and has yet another
  different meaning for video), preventing generic handling of the codec
  context.

Therefore, add a new field -- AVCodecContext.initial_padding. It could
conceivably be used for decoding as well at a later point.
This commit is contained in:
Anton Khirnov
2014-08-23 12:40:50 +00:00
parent c80a816142
commit 2df0c32ea1
22 changed files with 63 additions and 40 deletions
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doc/APIchanges
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@@ -13,6 +13,10 @@ libavutil: 2014-08-09
API changes, most recent first:
2014-10-13 - xxxxxxx - lavc 55.03.0 - avcodec.h
Add AVCodecContext.initial_padding. Deprecate the use of AVCodecContext.delay
for audio encoding.
2014-09-xx - xxxxxxx - lavu 54.04.0 - pixdesc.h
Add API to return the name of frame and context color properties.