[FFmpeg-soc] [PATCH] Audio visualization initial draft (incomplete) and question on callbacks

[S.N. Hemanth Meenakshisundaram]

This filter will need the value of delay (calculated in ffplay based on
how much SDL has consumed at the moment. What would be the best way to
get this information to the filter. I was thinking of using a callback
but am not sure if its right to call an ffplay.c function from lavfi.
Please let me know if this is ok or if there are better ways.

I already get audio info through filter_samples and other info through
init. Only changing information from video side is a problem.

Regards,
Hemanth

---
 libavfilter/af_aviz.c |  235 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 235 insertions(+), 0 deletions(-)
 create mode 100644 libavfilter/af_aviz.c



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