[FFmpeg-devel] [PATCH] lavfi/af_ebur128: update filter to use new ebur128 API
Paul B Mahol
onemda at gmail.com
Fri Nov 18 10:15:46 EET 2016
On 11/18/16, Kyle Swanson <k at ylo.ph> wrote:
> On Thu, Nov 17, 2016 at 11:04 AM, Kyle Swanson <k at ylo.ph> wrote:
>> Hi,
>>
>> Here's a couple of patches which update the ebur128 filter to use the
>> recently added ebur128 API. This updated filter allows fine-tuned
>> control over which EBU R128 parameters are measured, and provides
>> modest speed increases over the previous ebur128 filter. Also
>> noteworthy: this removes the video output option of the ebur128
>> filter. This is extraneous for an ebur128 measurement filter IMHO, but
>> if we wanted to keep similar functionality in FFmpeg, we'd be better
>> served by a new video source filter where custom meters could be
>> created via exported frame metadata.
>>
>> The first patch adds true peak functionality to the ebur128 API using
>> swresample (this was already discussed a little bit:
>> http://ffmpeg.org/pipermail/ffmpeg-devel/2016-November/202583.html)
>> The second patch is an update to the ebur128 filter.
>>
>> Kyle
>
> Here's a v2 for the second patch. Fixes the vla error.
>
If this patch removes video output of ebur128 scanner it is unacceptable to me.
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