[Libav-user] libavfilter source "nullsrc" usage

Stefano Sabatini stefasab at gmail.com
Thu Nov 17 19:41:37 CET 2011

On date Thursday 2011-11-17 13:28:32 +0200, Andrey Utkin encoded:
> How should i push AVFrame into "nullsrc" filtering source?

You shouldn't, nullsrc is not meant to be used that way.

> Regarding "buffer" source, it is covered in examples:
> av_vsrc_buffer_add_frame() must be used.

> And what about nullsrc?

nullsrc is mostly useful for passing empty frames to a filter ignoring
the input data content, *or* for testing configuration.

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