[FFmpeg-devel] [PATCH 1/3] lavfi/ebur128: add sample and true peak metering.
u at pkh.me
Fri Jan 31 09:16:55 CET 2014
On Sat, Jan 25, 2014 at 11:19:05PM +0100, Jean First wrote:
> From: Clément Bœsch <ubitux at gmail.com>
> Metadata injection and logging. Not yet present visually.
> Signed-off-by: Jean First <jeanfirst at gmail.com>
> doc/filters.texi | 21 ++++++++
> libavfilter/f_ebur128.c | 140 +++++++++++++++++++++++++++++++++++++++++++-----
> 2 files changed, 149 insertions(+), 12 deletions(-)
So IIRC, the two main standing issues with this patch are the peaks not
expressed in dBFS - which you fixed in a later commit -, and the potential
build problem because of FFLIBS lacking swresample in libavfilter/Makefile
for this particular filter. The trick is that this dependency is optional,
but if this filter and swr are enabled, FFLIBS needs a swresample
reference. It should be relatively trivial to do, so I'll probably patch
and push this week end.
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