[FFmpeg-devel] [PATCH] lavfi: add showvolume filter

[Paul B Mahol]

On 2/20/15, Clement Boesch <u at pkh.me> wrote:
> On Fri, Feb 20, 2015 at 02:28:21PM +0000, Paul B Mahol wrote:
>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>> ---
>>  libavfilter/Makefile         |   1 +
>>  libavfilter/allfilters.c     |   1 +
>>  libavfilter/avf_showvolume.c | 197
>> +++++++++++++++++++++++++++++++++++++++++++
>>  3 files changed, 199 insertions(+)
>>  create mode 100644 libavfilter/avf_showvolume.c
>>
> [...]
>
> You could make a viewer that uses ebur128 metadata, as an alternative to
> its default viewer. The sound level will be way more accurate.

AFAIK ebur128 have only one metadata for all channels.
> --
> Clement B.
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