On Tue, Dec 20, 2016 at 22:21:12 +0400, Anton Sviridenko wrote:
> http://ffmpeg.org/pipermail/ffmpeg-user/2016-December/034530.html
[...]
> 3) Can I use single hwdevice and vaapi_context instances for all
> streams or there should be own instance for each decoded/encoded
> stream?
You'll have
On Tue, Dec 20, 2016 at 13:31:25 +1300, Michael Heuberger wrote:
> But regarding the length, that still doesn't look right. Can you check
> the lengths again with your random ones?
The lengths all look correct in smplayer (I didn't check their actual
lengths), but so does the output from your
On 20/12/16 18:21, Anton Sviridenko wrote:
> I want to use hardware acceleration for processing multiple realtime
> videostreams (coming over RTSP).
> I've read this thread -
> http://ffmpeg.org/pipermail/ffmpeg-user/2016-December/034530.html
>
> and have some questions related to scaling this
Hi,
I’m trying to generate some smtpebars with a script, and it works fine for
1080p video. However, I’ve tried numerous combinations for generating 1080i
video using the –vf tinterlace filter. For example, if I want to generate
1080i50 video, do I use 25000/1000 as the framerate, and then
Carl Eugen Hoyos-2 wrote
> So what is missing from the FFmpeg mkv muxer?
I can't answer to your question.
I just wanted to share my experience: using the command mentioned in my
first mail in this thread I was not able to correctly encode the HDR video
in object, while using the command
Am 19.12.2016 um 01:56 schrieb Carl Eugen Hoyos:
2016-12-18 23:58 GMT+01:00 Bernhard Döbler :
I looked into ffmpeg documentation and saw there's an argument "-cutoff"
that should do, what "-lowpass" does in LAME.
Why do you think so / where does it say so in the
-- Forwarded message --
From: Nicolas George
Date: Tue, Dec 20, 2016 at 2:12 PM
Subject: Re: [Libav-user] MP4 concatenation with MP42 major_brand
To: libav-u...@ffmpeg.org, ffmpeg-user@ffmpeg.org
Le decadi 30 frimaire, an CCXXV, black copper a écrit :
> I have
I want to use hardware acceleration for processing multiple realtime
videostreams (coming over RTSP).
I've read this thread -
http://ffmpeg.org/pipermail/ffmpeg-user/2016-December/034530.html
and have some questions related to scaling this everything to several
video streams:
1) Is it possible
On 12/20/16, Adam Puckett wrote:
> On 12/20/16, Muhammad Faiz wrote:
>> On 12/20/16, Adam Puckett wrote:
>>> On 12/19/16, Nicolas George wrote:
Oh, good catch. I should have remembered this task
On 12/20/16, Muhammad Faiz wrote:
> On 12/20/16, Adam Puckett wrote:
>> On 12/19/16, Nicolas George wrote:
>>> Oh, good catch. I should have remembered this task needed a primitive
>>> function, not just a multiplication.
>>>
>>>
On 12/20/16, Muhammad Faiz wrote:
> On 12/20/16, Jonathan Girven wrote:
>>> How if you move your multiple inputs into movie sources inside
>>> filter_complex?
>>
>> Sorry, I looked at the documentation here:
>>
>>
On 12/20/16, Jonathan Girven wrote:
>> How if you move your multiple inputs into movie sources inside
>> filter_complex?
>
> Sorry, I looked at the documentation here:
>
> https://ffmpeg.org/ffmpeg-filters.html#Video-Sources
>
> but couldn't see how to grab a file
> How if you move your multiple inputs into movie sources inside filter_complex?
Sorry, I looked at the documentation here:
https://ffmpeg.org/ffmpeg-filters.html#Video-Sources
but couldn't see how to grab a file with this. Do you have an example?
___
> The changes I am working on would fix the "bufferqueue overflow,
> dropping" problems that occur with slightly unbalanced streams, for
> example audio streams with tiny frames where you can get a hundred or so
> frames in one go.
Thanks for clarifying that Nicolas.
> But it would not fix the
Le decadi 30 frimaire, an CCXXV, black copper a écrit :
> I have MP4 source videos, that contain:
>
> video: H264
> audio: G.711 (mulaw)
>
> I want to use concatenation on source videos to get one MP4 file.
>
> I used concat filter by first creating a list: mylist.txt file as follows:
>
> file
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