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README: planning

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Stefan Sauer 2011-02-18 17:36:30 +02:00
parent 46ecfa08ae
commit 9cdf06e282
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mediainfo/README
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@ -85,7 +85,7 @@ Properties:
- get bit-rate over time - get bit-rate over time
- specify window size, get min,max,avg bitrate for each window - specify window size, get min,max,avg bitrate for each window
- gst-mi can draw them as a graph - gst-mi can draw them as a graph
- get key-frame statistics - get key-frame statistics (using gst-index)
- number of keyframes - number of keyframes
- min,max,avg keyframe interval - min,max,avg keyframe interval
- disconts - disconts
@ -136,6 +136,17 @@ Properties:
- CBR/VBR type for each stream - CBR/VBR type for each stream
- can we derive that from the bitrate tags (no min/max bitrate set)? - can we derive that from the bitrate tags (no min/max bitrate set)?
find . -name "*.c" -exec egrep -Hn "GST_TAG[A-Z_]*_BITRATE" {} \; find . -name "*.c" -exec egrep -Hn "GST_TAG[A-Z_]*_BITRATE" {} \;
- formats
- all raw files are cbr
- some codecs are cbr only (some speech codecs)
- audio
- in an MP3 file, if there is no VBRI or Xing,
it probably is not a vbr stream
-
- lossy/lossless compression
- all raw formats are lossless (well rgb->yuv is lossy, but ...)
- some audio formats are lossless (flac, wavpack, ...)
- some video formats can be lossless (dirac,
= discoverer workflow = = discoverer workflow =
== sync quick-scan == == sync quick-scan ==