[FFmpeg-user] Reports not getting x265 info

Jim Worrall coniophora at gmail.com
Sat Jan 9 17:36:54 CET 2016

> On 2016 Jan 9, at 9:02 AM, Moritz Barsnick <barsnick at gmx.net> wrote:
> On Sat, Jan 09, 2016 at 07:11:16 -0700, Jim Worrall wrote:
>> This is great, but with libx265, none of the x265 info gets into the
>> report - it is missing. With libx264, the libx264 output DOES get
>> into the report - it works fine.
> It appears - from looking at the sources - that ffmpeg's libx264
> integration lets libx264 use ffmpeg's logging functions (by a so-called
> callback). Therefore, libx264's log outputs land in ffmpeg's log.
> This does not seem to be the case for libx265 - either because the
> library does not supply these hooks, or ffmpeg doesn't use them. So
> libx265 probably outputs that information to stdout/stderr by its own
> means.

If I’m understanding right, that would mean that redirecting ffmpeg’s stderr and stdout 
would not capture libx265’s output?

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