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slhck / ffmpeg-debug-qp

FFmpeg Debug Script for QP Values
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Feature Request: Library version #6

Closed ndtreviv closed 4 years ago

ndtreviv commented 4 years ago

I would love this as a reusable, thread-safe library that I could write JNI wrappers for (and obviously contribute back - maybe python ones as well).

What are the chances?

slhck commented 4 years ago

I'm not sure that is possible. This entire project is a bit of a hack; it relies on setting an internal debug flat and capturing hardcoded output created by the ffmpeg H.264 decoder via STDERR.

A more reasonable path forward would be to add a feature to ffmpeg that exports the decoded QP values in a sane format (or stores them internally) upon setting a particular debug flag. Then this could be used in other projects, or, via an API.