Re: [FFmpeg-user] (no subject)

[Def Etienne]

> 
> On 16 Apr 2024, at 14:30, B-2014 Ariyan Kashyap  
> wrote:
> 
> Getting this err while running ./configure --enable-shared
> 
> ./configure --enable-shared
> nasm/yasm not found or too old. Use --disable-x86asm for a crippled build.
> 

Install a recent version of nasm. 

Def

> If you think configure made a mistake, make sure you are using the latest
> version from Git.  If the latest version fails, report the problem to the
> ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.libera.chat.
> Include the log file "ffbuild/config.log" produced by configure as this
> will help
> solve 
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[FFmpeg-user] (no subject)

[B-2014 Ariyan Kashyap]

Getting this err while running ./configure --enable-shared

./configure --enable-shared
nasm/yasm not found or too old. Use --disable-x86asm for a crippled build.

If you think configure made a mistake, make sure you are using the latest
version from Git.  If the latest version fails, report the problem to the
ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.libera.chat.
Include the log file "ffbuild/config.log" produced by configure as this
will help
solve the problem.
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[FFmpeg-user] (no subject)

[Mark Filipak]

I've attached the full error. Sorry. This webmail limits the length of messages.

Error: "Found duplicated MOOV Atom. Skipped it"

c:\1.mp4 contains chapters  1-16
c:\2.mp4 contains chapters 17-28
c:\3.mp4 contains chapters 29-38
c:\4.mp4 contains chapters 39-53

Only c:\1.mp4 gets processed. The others do not.

"Found duplicated MOOV Atom. Skipped it"
"it" in "Skipped it" appears to be the 3 remaining input files.

Prior to concatenation I clipped the ends of input files 1 2 & 3 at I-frames.
I noticed that the ends of the chapter lists are NOT cut off, Look:

c:\1.mp4 chapters lists  1-53
c:\2.mp4 chapters lists 17-53
c:\3.mp4 chapters lists 29-53
c:\4.mp4 chapters lists 39-53

Help!

Kind Regards,
Mark.
Error:
"Found duplicated MOOV Atom. Skipped it"

c:\>ffmpeg -sn -dn -i "concat:c:\1.mp4|c:\2.mp4|c:\3.mp4|c:\4.mp4" -map 0 
-codec copy -sn -dn "e:\target.mp4"
ffmpeg version 2023-08-10-git-d9d5695390-full_build-www.gyan.dev Copyright (c) 
2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static 
--disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv 
--enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma 
--enable-libsnappy --enable-zlib --enable-librist --enable-libsrt 
--enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray 
--enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption 
--enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi 
--enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 
--enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom 
--enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation 
--enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi 
--enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf 
--enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid 
--enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va 
--enable-dxva2 --enable-libvpl --enable-libshaderc --enable-vulkan 
--enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme 
--enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb 
--enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame 
--enable-libvo-amrwbenc--enable-libcodec2 --enable-libilbc --enable-libgsm 
--enable-libopencore-amrnb --enable-libopus --enable-libspeex 
--enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite 
--enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil  58. 16.101 / 58. 16.101
  libavcodec 60. 23.100 / 60. 23.100
  libavformat60. 10.100 / 60. 10.100
  libavdevice60.  2.101 / 60.  2.101
  libavfilter 9. 10.100 /  9. 10.100
  libswscale  7.  3.100 /  7.  3.100
  libswresample   4. 11.100 /  4. 11.100
  libpostproc57.  2.100 / 57.  2.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00429d40] Found duplicated MOOV Atom. 
Skipped it
Last message repeated 2 times
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 
'concat:c:\1.mp4|c:\2.mp4|c:\3.mp4|c:\4.mp4':
  Metadata:
encoder : Lavf60.10.100
major_brand : isom
minor_version   : 512
compatible_brands: isomiso2mp41
  Duration: 01:33:12.63, start: 0.00, bitrate: 49220 kb/s
  Chapters:
Chapter #0:0: start 0.00, end 483.692000
  Metadata:
title   : Chapter 1
Chapter #0:1: start 483.692000, end 824.407000
  Metadata:
title   : Chapter 2
Chapter #0:2: start 824.407000, end 1217.508000
  Metadata:
title   : Chapter 3
Chapter #0:3: start 1217.508000, end 1419.919000
  Metadata:
title   : Chapter 4
Chapter #0:4: start 1419.919000, end 1690.814000
  Metadata:
title   : Chapter 5
Chapter #0:5: start 1690.814000, end 2208.998000
  Metadata:
title   : Chapter 6
Chapter #0:6: start 2208.998000, end 2559.182000
  Metadata:
title   : Chapter 7
Chapter #0:7: start 2559.182000, end 3068.941000
  Metadata:
title   : Chapter 8
Chapter #0:8: start 3068.941000, end 3325.656000
  Metadata:
title   : Chapter 9
Chapter #0:9: start 3325.656000, end 3786.533000
  Metadata:
title   : Chapter 10
Chapter #0:10: start 3786.533000, end 4270.016000
  Metadata:
title   : Chapter 11
Chapter #0:11: start 4270.016000, end 4581.577000
  Metadata:
title   : Chapter 12
Chapter #0:12: start 4581.577000, end 5110.188000
  Metadata:
title   : Chapter 13
Chapter #0:13: start 5110.188000, end 5395.765000
  Metadata:
title   : Chapter 14
Chapter #0:14: start 5395.765000, end 5590.835000
  Metadata:
title   : Chapter 15
Chapter #0:15: start 5590.835000, end 

Re: [FFmpeg-user] (no subject)

[Carl Zwanzig]

And also STOP putting logs in attachments, put them in the body of the message.

z!
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Re: [FFmpeg-user] (no subject)

[Bo Berglund]

On Fri, 9 Sep 2022 09:55:32 +0800, jie chen  wrote:

>
>but some rtmp were stop
>
>The log is in the attachment

STOP posting questions without a subject!


-- 
Bo Berglund
Developer in Sweden

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[FFmpeg-user] (no subject)

[jie chen]

https://ffmpeg.org/ffmpeg-all.html#overlay-1
39.177.2 Examples
Chain several overlays in cascade

I want to combine several videos using this


ffmpeg \
-rw_timeout 6000 -re -r 15 -i "rtmp://
10.154.39.14:1935/live/rfBd56ti2SMtYvSgD5xAV0YU99zampta7Z7S575KLkIZ9PYk" \
-rw_timeout 6000 -re -r 15 -i "rtmp://
10.154.39.14:1935/live/L17LTlsVqMNTZyLKMIFSD2x28MlgPJ0SDZVHnHJPxMKi0tWx" \
-rw_timeout 6000 -re -r 15 -i "rtmp://
10.154.39.14:1935/live/u3pQJ71N5GWfOIGTdSWXbRLGAwD1IkzuZ5G1pEDzqqm3sncC" \
-rw_timeout 6000 -re -r 15 -i "rtmp://
10.154.39.14:1935/live/Yry01AuHiK7FDcCc35S4IzoOjgm2v8KyBpNlS52DyhMEXiJe" \
-preset ultrafast -filter_complex
"[0:v]scale=480:270,pad=iw:ih*2[0v];[1:v]scale=480:270,pad=iw:ih*2[1v];[2:v]scale=480:270[2v];[3:v]scale=480:270[3v];[0v][2v]overlay=0:h:eof_action=pass,pad=iw*2:ih[1p];[1v][3v]overlay=0:h:eof_action=pass[2p];[1p][2p]overlay=w:eof_action=pass[end];[end]scale=1440:540"
-r 24 -g 15 -c:v h264 -shortest -f hls -hls_list_size 3 -hls_time 2
-hls_base_url
https://bisp-media.zhenergy.com.cn/player/2022/09/media/live/tmp/
/bisp-3m/player/2022/09/media/live/tmp/tmp.m3u8 > 1.log 2>&1



but some rtmp were stop

The log is in the attachment


1.log
Description: Binary data
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Re: [FFmpeg-user] (no subject)

[Carl Zwanzig]

On 5/31/2022 4:11 AM, Shazly Sayed wrote:

Can you help me summarize what is required and help not to repeat mistakes
again, and thank you for your patience with us


If you don't actually state a problem, no one can help with it. We don't 
know what you're trying to to, how you've tried, and what failed or didn't 
work as expected.


(And you MUST put a subject in the email.)

z!
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

moron you recently sent already a pointless mail without a subject - if 
you are not able to tell anybody what you are talking about you won#t 
get help


Am 31.05.22 um 13:11 schrieb Shazly Sayed:

Can you help me summarize what is required and help not to repeat mistakes
again, and thank you for your patience with us


Am 24.05.22 um 04:08 schrieb Shazly Sayed:
> Are there any other messages or instructions
> that I need to follow?

yes: start using subjects in your mails and state wthat you are talking 
about at all

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[FFmpeg-user] (no subject)

[Shazly Sayed]

Can you help me summarize what is required and help not to repeat mistakes
again, and thank you for your patience with us
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 29.05.22 um 00:28 schrieb Shazly Sayed:

I can't merge what to do


and nobody can't undestand what you want
your dumb subject "(no subject)" don't help
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[FFmpeg-user] (no subject)

[Shazly Sayed]

I can't merge what to do
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 24.05.22 um 04:08 schrieb Shazly Sayed:

Are there any other messages or instructions that I need to follow?


yes: start using subjects in your mails and state wthat you are talking 
about at all

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Re: [FFmpeg-user] (no subject)

[Carl Zwanzig]

On 5/23/2022 7:08 PM, Shazly Sayed wrote:

Are there any other messages or instructions that I need to follow?


About what?

z!
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[FFmpeg-user] (no subject)

[Shazly Sayed]

Are there any other messages or instructions that I need to follow?
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[FFmpeg-user] (no subject)

[Yusuf Unlu]

Hi,
I have been publishing a screen to AWS IVS and AWS medialive by using
ffmpeg.
Now, needed to package 1 video + 4 audios which flv or rtmp
protocol doesn't support.
I can package 4a+1v into mp4 but rtmp doesn't support that if I am not
wrong.

What container format and protocol should I use if anyone faced this kind
of issue?
Should I produce hls on local ?

https://docs.aws.amazon.com/ivs/latest/userguide/encoder-config.html#encoder-config-settings
https://docs.aws.amazon.com/medialive/latest/ug/inputs-supported-formats.html

-- 
Thanks
Yusufu
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[FFmpeg-user] (no subject)

[Raj Cryp]

ffmpeg has the option to split file based on time. Say starting with time t
and go for length l.

I am thinking of basically computing the time windows which will result in
the desired file size. Say a 1 min video of 20 MB will need to be split in
parts roughly 6 sec each.

Is there an option to pass desired file size directly into the command?
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Re: [FFmpeg-user] (no subject)

[Alessandro Molon]

> I am running this command [snip] Is there any way to limit this speed to a 
> standard 1x?

Adding -re in the input stage of the command.

ffmpeg -re -vaapi_device and so on.

Cheers
Alex

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Re: [FFmpeg-user] (no subject)

[owen s]

adding realtime before the crop filter dropped the bitrate and increased
the encoding speed to 80x
i moved the realtime t filter after hwdownload, but the speed was still
about 1.78
I looked over the filter documentation:
https://ffmpeg.org/ffmpeg-filters.html#realtime_002c-arealtime
and noticed there's a speed or limit options; adding realtime=speed=1.04
keeps the speed at 1.04 and the problem is resolved.

Thanks for the help!

On Tue, Jan 26, 2021 at 4:47 PM Dennis Mungai  wrote:

> On Tue, 26 Jan 2021, 03:14 owen s,  wrote:
>
> > I am running this command
> >
> > ffmpeg-git -y \
> > -vaapi_device /dev/dri/renderD128 \
> > -framerate 60 -i ./image.jpg \
> > -stream_loop -1 -i ./audio.mp3 \
> > -map 0:v \
> > -c:v h264_vaapi \
> > -vf
> >
> >
> 'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
> > \
> > -rc_mode 2 -b:v 20M \
> > -c:v libx264 \
> > -map 1:a \
> > -c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
> > -af "dynaudnorm=f=150:g=15" \
> > -f flv /dev/null
> >
> > the encoding speed is very fast, typically 1.78x
> >
> > frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
> > bitrate=11046.8kbits/s speed=1.79x
> >
> > Is there any way to limit this speed to a standard 1x?
> > ___
> >
>
>
> Add the realtime filter to your filter chain, right before crop. So you'd
> have -vf "realtime,crop..." etc
>
> >
> ___
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Re: [FFmpeg-user] (no subject)

[Dennis Mungai]

On Tue, 26 Jan 2021, 03:14 owen s,  wrote:

> I am running this command
>
> ffmpeg-git -y \
> -vaapi_device /dev/dri/renderD128 \
> -framerate 60 -i ./image.jpg \
> -stream_loop -1 -i ./audio.mp3 \
> -map 0:v \
> -c:v h264_vaapi \
> -vf
>
> 'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
> \
> -rc_mode 2 -b:v 20M \
> -c:v libx264 \
> -map 1:a \
> -c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
> -af "dynaudnorm=f=150:g=15" \
> -f flv /dev/null
>
> the encoding speed is very fast, typically 1.78x
>
> frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
> bitrate=11046.8kbits/s speed=1.79x
>
> Is there any way to limit this speed to a standard 1x?
> ___
>


Add the realtime filter to your filter chain, right before crop. So you'd
have -vf "realtime,crop..." etc

>
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Re: [FFmpeg-user] (no subject)

[Michael Koch]

Am 26.01.2021 um 01:09 schrieb owen s:

I am running this command

ffmpeg-git -y \
-vaapi_device /dev/dri/renderD128 \
-framerate 60 -i ./image.jpg \
-stream_loop -1 -i ./audio.mp3 \
-map 0:v \
-c:v h264_vaapi \
-vf
'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
\
-rc_mode 2 -b:v 20M \
-c:v libx264 \
-map 1:a \
-c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
-af "dynaudnorm=f=150:g=15" \
-f flv /dev/null

the encoding speed is very fast, typically 1.78x

frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
bitrate=11046.8kbits/s speed=1.79x

Is there any way to limit this speed to a standard 1x?


You could try the -re option. The documentation says it's not suitable 
for all types of input streams. I'm not sure if it works with your input.


Michael
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Re: [FFmpeg-user] (no subject)

[owen s]

I think it's the encoding speed that's causing the problem.

Typically, encoding faster than real time would be a good problem to have
but in this situation, when I stream this fast, it fills up the streaming
platform buffer
after some point the streaming platform gets too far behind and cuts the
stream.

This is why I would like to limit the speed to something closer to 1x.

On Tue, Jan 26, 2021 at 9:48 AM Mark Filipak (ffmpeg) 
wrote:

> On 01/25/2021 07:09 PM, owen s wrote:
> > I am running this command
> >
> > ffmpeg-git -y \
> > -vaapi_device /dev/dri/renderD128 \
> > -framerate 60 -i ./image.jpg \
> > -stream_loop -1 -i ./audio.mp3 \
> > -map 0:v \
> > -c:v h264_vaapi \
> > -vf
> >
> 'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
> > \
> > -rc_mode 2 -b:v 20M \
> > -c:v libx264 \
> > -map 1:a \
> > -c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
> > -af "dynaudnorm=f=150:g=15" \
> > -f flv /dev/null
> >
> > the encoding speed is very fast, typically 1.78x
> >
> > frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
> > bitrate=11046.8kbits/s speed=1.79x
> >
> > Is there any way to limit this speed to a standard 1x?
>
> With no guide to report formats you are understandably misinterpreting
> what ffmpeg is trying to tell
> you.
> The "speed=1.79x" means that the encoder time was 1.79x the running time.
> In other words, it took
> less time to encode than to play the video. To see the video's playback
> speed, look for lines that
> look like this:
> Output #0, matroska, to ...:
>Metadata:
>  encoder : Lavf58.65.100
>  Stream #0:0, 0, 1/1000: Video: hevc, yuv420p(tv, progressive),
> 720x240 [SAR 8:9 DAR 8:3],
> q=2-31, 59.94 fps, 1k tbn
>
>
> --
> Someone's sneaking in and turning up the range so that my food burns.
> I'm sure of it.
> And the older I get, the more sure of it I become.
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Re: [FFmpeg-user] (no subject)

[Mark Filipak (ffmpeg)]

On 01/25/2021 07:09 PM, owen s wrote:

I am running this command

ffmpeg-git -y \
-vaapi_device /dev/dri/renderD128 \
-framerate 60 -i ./image.jpg \
-stream_loop -1 -i ./audio.mp3 \
-map 0:v \
-c:v h264_vaapi \
-vf
'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
\
-rc_mode 2 -b:v 20M \
-c:v libx264 \
-map 1:a \
-c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
-af "dynaudnorm=f=150:g=15" \
-f flv /dev/null

the encoding speed is very fast, typically 1.78x

frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
bitrate=11046.8kbits/s speed=1.79x

Is there any way to limit this speed to a standard 1x?


With no guide to report formats you are understandably misinterpreting what ffmpeg is trying to tell 
you.
The "speed=1.79x" means that the encoder time was 1.79x the running time. In other words, it took 
less time to encode than to play the video. To see the video's playback speed, look for lines that 
look like this:

Output #0, matroska, to ...:
  Metadata:
encoder : Lavf58.65.100
Stream #0:0, 0, 1/1000: Video: hevc, yuv420p(tv, progressive), 720x240 [SAR 8:9 DAR 8:3], 
q=2-31, 59.94 fps, 1k tbn



--
Someone's sneaking in and turning up the range so that my food burns.
I'm sure of it.
And the older I get, the more sure of it I become.
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[FFmpeg-user] (no subject)

[owen s]

I am running this command

ffmpeg-git -y \
-vaapi_device /dev/dri/renderD128 \
-framerate 60 -i ./image.jpg \
-stream_loop -1 -i ./audio.mp3 \
-map 0:v \
-c:v h264_vaapi \
-vf
'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
\
-rc_mode 2 -b:v 20M \
-c:v libx264 \
-map 1:a \
-c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
-af "dynaudnorm=f=150:g=15" \
-f flv /dev/null

the encoding speed is very fast, typically 1.78x

frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
bitrate=11046.8kbits/s speed=1.79x

Is there any way to limit this speed to a standard 1x?
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[FFmpeg-user] (no subject)

[Randy Johnson via ffmpeg-user]

Hello,

When running the following command:

```
ffmpeg \
-loop 1 -framerate 30 -t 1.4 -i /assets/img/filler640480.jpg -i 0d.mp4 -
y \
-loop 1 -framerate 30 -t 891.113 -i /assets/img/filler640480.jpg -i
9f.mp4 -y \
-f lavfi -t 0.1 -i anullsrc=channel_layout=mono:sample_rate=48000 \
-filter_complex "
[0:v]setsar=1[v0];[2:v]setsar=1[v1];[v0][4:a][1:v][1:a][v1][4:a][3:v][3:a]concat=n=4:v=1:a=1"
-vsync 2 -vcodec libx264 -pix_fmt yuv420p 0245-grid.mp4

```

I am getting the following error:

```
Stream specifier ':a' in filtergraph description 
[0:v]setsar=1[v0];[2:v]setsar=1[v1];[v0][4:a][1:v][1:a][v1][4:a][3:v][3:a]concat=n=4:v=1:a=1
matches no streams.
```

This only happens on some video processing not all, cannot seem to
figure out why.

Thank You,

Randy
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 02.11.20 um 00:09 schrieb juan carlos rebate:

On Windows, you normally don't care about a dynamic compile as no incompatible
C library should exist


in which perfect world?

other than on proper operating systems with package managers and 
dependencies you even can end in one installer overwrites existing 
libraries with incompatible versions

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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am Mo., 2. Nov. 2020 um 00:09 Uhr schrieb juan carlos rebate
:

> The options that I indicate are listed in the configure file,

No.

> if it does not make sense for what is included ?

Most of the options never make sense.

> what would be the correct combination that includes free and non-free
> tools if the options of the configure file do not make sense?

You did not include any non-free optional parts, you therefore don't
need --enable-nonfree.

I can only repeat:
If you cannot use prebuilt binaries but have to build Windows binaries
yourself, wsl is the best option.

If you need more help, please fix your mailer and your quoting, Carl Eugen
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Re: [FFmpeg-user] (no subject)

[juan carlos rebate]

Enviado desde Correo para Windows 10

De: Carl Eugen Hoyos
Enviado: domingo, 1 de noviembre de 2020 23:27
Para: FFmpeg user questions
Asunto: Re: [FFmpeg-user] (no subject)

Am So., 1. Nov. 2020 um 21:41 Uhr schrieb juan carlos rebate
:

> Actually my way of compiling is simpler but as it did not work in windows I 
> looked
> in google for some way to do it and I came up with a tutorial, my way that I 
> have
> been using since ffmpeg 2.4.4 is this;
> ./configure --enable-gpl --enable-nonfree --enable-encoders --enable-decoders 
> --enable-muxers --enable-demuxers.

The following options have no effect:
--enable-nonfree --enable-encoders --enable-decoders --enable-muxers
--enable-demuxers

> In linux in this way it compiles me perfect except that it does not link me 
> statically
> but dynamically for that reason the static,

On Windows, you normally don't care about a dynamic compile as no incompatible
C library should exist.

> but in windows with my way it tells me that the compiler tests failed

Which compiler did you install?
With wsl, you can use msvc, (Microsoft) clang and - with a little additional
effort - gcc.

Please cut your quotes, Carl Eugen
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The options that I indicate are listed in the configure file, if it does not 
make sense for what is included ?, what would be the correct combination that 
includes free and non-free tools if the options of the configure file do not 
make sense?
en este momento estoy usando cygwin con mingw, wsl no puedo utilizarlo porque 
es un absoluto engendro disfuncional
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am So., 1. Nov. 2020 um 21:41 Uhr schrieb juan carlos rebate
:

> Actually my way of compiling is simpler but as it did not work in windows I 
> looked
> in google for some way to do it and I came up with a tutorial, my way that I 
> have
> been using since ffmpeg 2.4.4 is this;
> ./configure --enable-gpl --enable-nonfree --enable-encoders --enable-decoders 
> --enable-muxers --enable-demuxers.

The following options have no effect:
--enable-nonfree --enable-encoders --enable-decoders --enable-muxers
--enable-demuxers

> In linux in this way it compiles me perfect except that it does not link me 
> statically
> but dynamically for that reason the static,

On Windows, you normally don't care about a dynamic compile as no incompatible
C library should exist.

> but in windows with my way it tells me that the compiler tests failed

Which compiler did you install?
With wsl, you can use msvc, (Microsoft) clang and - with a little additional
effort - gcc.

Please cut your quotes, Carl Eugen
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Re: [FFmpeg-user] (no subject)

[juan carlos rebate]

Enviado desde Correo para Windows 10

De: Carl Eugen Hoyos
Enviado: domingo, 1 de noviembre de 2020 21:14
Para: FFmpeg user questions
Asunto: Re: [FFmpeg-user] (no subject)

Am So., 1. Nov. 2020 um 19:49 Uhr schrieb juan carlos rebate
:

> Good afternoon, sorry that it took so long to update this thread, well I am 
> still trying
> to use uar ffmpeg in my own way, but it seems that everything is going 
> against me,
> now the problem is that if I try to compile in windows the process seems to 
> be it
> carries out but then it doesn't actually do anything, it doesn't compile the
> executables or the dll, but in linux if you want to use the same set of 
> commands,
> to compile I do the following:
> I introduce it in the form of a column so that it does not occupy too much
> ./configure
> --arch=x86_64
> --target-os=mingw32
> --cross-prefix=x86_64-w64-mingw32-
> --prefix=/usr/local
> --pkg-config=pkg-config
> --pkg-config-flags=--static

> --extra-cflags=-static

Is this a useful option?

> --extra-ldflags=-static

(This option sometimes causes issues and I believe it should not
be necessary on Windows)

> --extra-libs="-lm -lz -fopenmp"

Why is this necessary?
Is there a bug we don't know about?
(Or just a bug in an external library?)

> --enable-static
> --disable-shared

These are unneeded.

> --enable-nonfree
> --enable-gpl
> --enable-avisynth
> --enable-libaom
> --enable-libfdk-aac
> --enable-libfribidi
> --enable-libmp3lame
> --enable-libopus
> --enable-libsoxr
> --enable-libvorbis
> --enable-libvpx
> --enable-libx264
> --enable-libx265

> Make

(I suspect there is no operating system with a command "Make")

> If I compile it in linux in this way it compiles well, although along the way 
> it
> tells me that some codecs are deprecated but it does compile, but this
> same set of commands in windows does not compile, if it indicates that it
> does but does not produce the final link, this it only happens to me with 
> ffmpeg.

Very generally, I would not expect the same non-trivial configure line
to work on
Linux and Windows (think of cross- vs native compilation).

> I have tried both with cygwin and with the monster developed by microsoft,

> (the wsl2)

In my tests, I saw some issues with wsl2, I recommend wsl (1)
for FFmpeg Windows compilation.

Carl Eugen
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Actually my way of compiling is simpler but as it did not work in windows I 
looked in google for some way to do it and I came up with a tutorial, my way 
that I have been using since ffmpeg 2.4.4 is this;
./configure --enable-gpl --enable-nonfree --enable-encoders --enable-decoders 
--enable-muxers --enable-demuxers.
In linux in this way it compiles me perfect except that it does not link me 
statically but dynamically for that reason the static, but in windows with my 
way it tells me that the compiler tests failed, with wsl1 it gave me more 
errors than with wsl2
The tutorial is 
https://superuser.com/questions/1425350/how-to-compile-the-best-version-of-ffmpeg-for-windows
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am So., 1. Nov. 2020 um 21:14 Uhr schrieb Edward Park :

> > ./configure
> > --arch=x86_64
> > --target-os=mingw32
> > --cross-prefix=x86_64-w64-mingw32-

> Does that automatically cross-compile with just make?
> I thought you would need to add --enable-cross-compile.

No, --cross-prefix is enough.

[...]

> > I have tried both with cygwin and with the monster developed by microsoft, 
> > (the wsl2)
>
> On wsl2, you’d just compile as if you were on a linux system, and not bother 
> with mingw32, it’s basically a vm isnt it?

wsl2 compilation has not worked for me, there is a line length limitation afair.
ymmv

Carl Eugen
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Re: [FFmpeg-user] (no subject)

[Edward Park]

Hi,

> Good afternoon, sorry that it took so long to update this thread, well I am 
> still trying to use uar ffmpeg in my own way, but it seems that everything is 
> going against me, now the problem is that if I try to compile in windows the 
> process seems to be it carries out but then it doesn't actually do anything, 
> it doesn't compile the executables or the dll, but in linux if you want to 
> use the same set of commands, to compile I do the following:
> I introduce it in the form of a column so that it does not occupy too much
wut
> ./configure 
> --arch=x86_64 
> --target-os=mingw32 
> --cross-prefix=x86_64-w64-mingw32- 
> --prefix=/usr/local 
> --pkg-config=pkg-config 
> --pkg-config-flags=--static 
> --extra-cflags=-static 
> --extra-ldflags=-static 
> --extra-libs="-lm -lz -fopenmp" 
> --enable-static 
> --disable-shared 
> --enable-nonfree
> --enable-gpl 
> --enable-avisynth 
> --enable-libaom 
> --enable-libfdk-aac 
> --enable-libfribidi 
> --enable-libmp3lame 
> --enable-libopus 
> --enable-libsoxr 
> --enable-libvorbis 
> --enable-libvpx 
> --enable-libx264 
> --enable-libx265
> Make
> If I compile it in linux in this way it compiles well, although along the way 
> it tells me that some codecs are deprecated but it does compile, but this 
> same set of commands in windows does not compile, if it indicates that it 
> does but does not produce the final link, this it only happens to me with 
> ffmpeg.
Does that automatically cross-compile with just make? I thought you would need 
to add --enable-cross-compile. Also I’d have thought you’d want a different 
prefix at the least for cross-compiling on linux and compiling on windows.
> I have tried both with cygwin and with the monster developed by microsoft, 
> (the wsl2)

On wsl2, you’d just compile as if you were on a linux system, and not bother 
with mingw32, it’s basically a vm isnt it?

Regards,
Ted Park

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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am So., 1. Nov. 2020 um 19:49 Uhr schrieb juan carlos rebate
:

> Good afternoon, sorry that it took so long to update this thread, well I am 
> still trying
> to use uar ffmpeg in my own way, but it seems that everything is going 
> against me,
> now the problem is that if I try to compile in windows the process seems to 
> be it
> carries out but then it doesn't actually do anything, it doesn't compile the
> executables or the dll, but in linux if you want to use the same set of 
> commands,
> to compile I do the following:
> I introduce it in the form of a column so that it does not occupy too much
> ./configure
> --arch=x86_64
> --target-os=mingw32
> --cross-prefix=x86_64-w64-mingw32-
> --prefix=/usr/local
> --pkg-config=pkg-config
> --pkg-config-flags=--static

> --extra-cflags=-static

Is this a useful option?

> --extra-ldflags=-static

(This option sometimes causes issues and I believe it should not
be necessary on Windows)

> --extra-libs="-lm -lz -fopenmp"

Why is this necessary?
Is there a bug we don't know about?
(Or just a bug in an external library?)

> --enable-static
> --disable-shared

These are unneeded.

> --enable-nonfree
> --enable-gpl
> --enable-avisynth
> --enable-libaom
> --enable-libfdk-aac
> --enable-libfribidi
> --enable-libmp3lame
> --enable-libopus
> --enable-libsoxr
> --enable-libvorbis
> --enable-libvpx
> --enable-libx264
> --enable-libx265

> Make

(I suspect there is no operating system with a command "Make")

> If I compile it in linux in this way it compiles well, although along the way 
> it
> tells me that some codecs are deprecated but it does compile, but this
> same set of commands in windows does not compile, if it indicates that it
> does but does not produce the final link, this it only happens to me with 
> ffmpeg.

Very generally, I would not expect the same non-trivial configure line
to work on
Linux and Windows (think of cross- vs native compilation).

> I have tried both with cygwin and with the monster developed by microsoft,

> (the wsl2)

In my tests, I saw some issues with wsl2, I recommend wsl (1)
for FFmpeg Windows compilation.

Carl Eugen
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am Mo., 26. Okt. 2020 um 06:44 Uhr schrieb Carl Zwanzig :
>
> On 10/25/2020 10:14 PM, Juan carlos Rebate wrote:
> > However if you compile two separate versions
> > there would be no licensing issue if you share it, would it?
>
> If you "share" the build, then technically you're distributing it. The one
> that's GPL only is perfectly fine to share (following the rules of the GPL,
> please read them), but if non-free parts are statically linked in, then
> I don't think that one is distributable.
>
> The questions that drive "can I distribute" include-
> Is this a static or dynamic build?

If the question is "am I allowed to distribute a binary based
on (L)GPL software" then the answer does not depend on
static or dynamic linking.

> Does it contain GPL components?
> Does it contain non-free components?

> There are cases where you can share a dynamic build (no GPL parts) that
> links to non-free libraries but not a static build. (I think building with
> BMD Decklink support is in that catagory.)

No.
Decklink is not GPL-compatible.

Carl Eugen
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Re: [FFmpeg-user] (no subject)

[juan carlos rebate]

Enviado desde Correo para Windows 10

De: Carl Zwanzig
Enviado: martes, 27 de octubre de 2020 0:35
Para: ffmpeg-user@ffmpeg.org
Asunto: Re: [FFmpeg-user] (no subject)

On 10/26/2020 4:22 PM, juan carlos rebate wrote:
> It is not my intention to do top posting, this is because I do not like to 
> use mail apps, I like the graphical interface web, and this does not have 
> options to avoid it

Yes it does, I do that all the time, both in the android app and in a 
browser (click on the three dots to expand the reply text, then edit).

z!
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Good afternoon, sorry that it took so long to update this thread, well I am 
still trying to use uar ffmpeg in my own way, but it seems that everything is 
going against me, now the problem is that if I try to compile in windows the 
process seems to be it carries out but then it doesn't actually do anything, it 
doesn't compile the executables or the dll, but in linux if you want to use the 
same set of commands, to compile I do the following:
I introduce it in the form of a column so that it does not occupy too much
./configure 
--arch=x86_64 
--target-os=mingw32 
--cross-prefix=x86_64-w64-mingw32- 
--prefix=/usr/local 
--pkg-config=pkg-config 
--pkg-config-flags=--static 
--extra-cflags=-static 
--extra-ldflags=-static 
--extra-libs="-lm -lz -fopenmp" 
--enable-static 
--disable-shared 
--enable-nonfree
--enable-gpl 
--enable-avisynth 
--enable-libaom 
--enable-libfdk-aac 
--enable-libfribidi 
--enable-libmp3lame 
--enable-libopus 
--enable-libsoxr 
--enable-libvorbis 
--enable-libvpx 
--enable-libx264 
--enable-libx265
Make
If I compile it in linux in this way it compiles well, although along the way 
it tells me that some codecs are deprecated but it does compile, but this same 
set of commands in windows does not compile, if it indicates that it does but 
does not produce the final link, this it only happens to me with ffmpeg.
I have tried both with cygwin and with the monster developed by microsoft, (the 
wsl2)

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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 27.10.20 um 00:22 schrieb juan carlos rebate:

It is not my intention to do top posting, this is because I do not like to use 
mail apps, I like the graphical interface web, and this does not have options 
to avoid it


then learn to operate the graphical webinterface you like that much or 
use a serious client


if it's too hard to compose a message properly what exactly do you like 
so much - that are basics


i bet it also can do better than "(no subject)"
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Re: [FFmpeg-user] (no subject)

[Carl Zwanzig]

On 10/26/2020 4:22 PM, juan carlos rebate wrote:

It is not my intention to do top posting, this is because I do not like to use 
mail apps, I like the graphical interface web, and this does not have options 
to avoid it


Yes it does, I do that all the time, both in the android app and in a 
browser (click on the three dots to expand the reply text, then edit).


z!
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Re: [FFmpeg-user] (no subject)

[juan carlos rebate]

It is not my intention to do top posting, this is because I do not like to use 
mail apps, I like the graphical interface web, and this does not have options 
to avoid it

De: Carl Zwanzig
Enviado: lunes, 26 de octubre de 2020 6:44
Para: ffmpeg-user@ffmpeg.org
Asunto: Re: [FFmpeg-user] (no subject)

On 10/25/2020 10:14 PM, Juan carlos Rebate wrote:
> However if you compile two separate versions
> there would be no licensing issue if you share it, would it?

If you "share" the build, then technically you're distributing it. The one 
that's GPL only is perfectly fine to share (following the rules of the GPL, 
please read them), but if non-free parts are statically linked in, then 
I don't think that one is distributable.

The questions that drive "can I distribute" include-
Is this a static or dynamic build?
Does it contain GPL components?
Does it contain non-free components?
There are cases where you can share a dynamic build (no GPL parts) that 
links to non-free libraries but not a static build. (I think building with 
BMD Decklink support is in that catagory.)

(Unfortunately, there doesn't seem to be a simple matrix to cover this. 
Maybe I'll write one up sometime.)

A big question is whether you need --enable-gpl or not.


Please don't top-post on this list.

z!
Oh, ya, I Am Not A Lawyer
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Re: [FFmpeg-user] (no subject)

[Carl Zwanzig]

On 10/25/2020 10:14 PM, Juan carlos Rebate wrote:

However if you compile two separate versions
there would be no licensing issue if you share it, would it?


If you "share" the build, then technically you're distributing it. The one 
that's GPL only is perfectly fine to share (following the rules of the GPL, 
please read them), but if non-free parts are statically linked in, then 
I don't think that one is distributable.


The questions that drive "can I distribute" include-
Is this a static or dynamic build?
Does it contain GPL components?
Does it contain non-free components?
There are cases where you can share a dynamic build (no GPL parts) that 
links to non-free libraries but not a static build. (I think building with 
BMD Decklink support is in that catagory.)


(Unfortunately, there doesn't seem to be a simple matrix to cover this. 
Maybe I'll write one up sometime.)


A big question is whether you need --enable-gpl or not.


Please don't top-post on this list.

z!
Oh, ya, I Am Not A Lawyer
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Re: [FFmpeg-user] (no subject)

[Juan carlos Rebate]

Yes, it's for personal use, However if you compile two separate versions
there would be no licensing issue if you share it, would it?

El lun., 26 oct. 2020 5:49, Carl Zwanzig  escribió:

> On 10/25/2020 9:16 PM, Juan carlos Rebate wrote:
> > my question is derived from the license problem that does not allow
> > gpl codecs together with non-free codecs
>
> I may be mistaken, but as I understand the GPL, if you're not distributing
> anything (building for your own use), there are no license problems with
> mixing GPL and non-free/encumbered/proprietary components. That means you
> could use -enable-nonfree and -enable-gpl at the same time (I can't
> actually
> try that at the moment).
>
> If you -do- want to distribute ffmpeg, then you simply can't mix GPL and
> proprietary/non-free parts.
>
> z!
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Re: [FFmpeg-user] (no subject)

[Carl Zwanzig]

On 10/25/2020 9:16 PM, Juan carlos Rebate wrote:

my question is derived from the license problem that does not allow
gpl codecs together with non-free codecs


I may be mistaken, but as I understand the GPL, if you're not distributing 
anything (building for your own use), there are no license problems with 
mixing GPL and non-free/encumbered/proprietary components. That means you 
could use -enable-nonfree and -enable-gpl at the same time (I can't actually 
try that at the moment).


If you -do- want to distribute ffmpeg, then you simply can't mix GPL and 
proprietary/non-free parts.


z!
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Re: [FFmpeg-user] (no subject)

[Juan carlos Rebate]

my question is derived from the license problem that does not allow
gpl codecs together with non-free codecs
(I forgot to put subject, sorry forgive me)

El lun., 26 oct. 2020 a las 5:00, Juan carlos Rebate
() escribió:
>
> Hello, I am still engrossed in the previous topic of the screenshot,
> if I got it to work thanks to your help but I do not get the optimal
> quality results, this leads me to the conclusion that there is some
> option not available in the compilation, so I I decided to compile it
> from source, but as I said repeatedly, the verad documentation is
> conspicuous by its absence.
> Please, I do not need to recommend other projects, I do not need to
> recommend other platforms or tools, I just need to know if they know
> the correct way to compile it with the environment and configuration
> that I am using.my entry is:
>
> $ ./configure --cross-prefix=x86_64-w64-mingw32- --arch=x86_64
> --prefix=/usr/local --pkg-config=pkg-config
> --pkg-config-flags=--static --extra-cflags=-static
> --extra-ldflags=-static --enable-static --disable-shared --enable-gpl
> --enable-avisynth --enable-libaom --enable-libfdk-aac
> --enable-libfribidi --enable-libmp3lame --enable-libopus
> --enable-libsoxr --enable-libvorbis --enable-libvpx --enable-libx264
> --enable-libx265
>
> and the response of the configure script is as follows
>
> libfdk_aac is incompatible with the gpl and --enable-nonfree is not specified.
> how can I use both combinations? thanks
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[FFmpeg-user] (no subject)

[Juan carlos Rebate]

Hello, I am still engrossed in the previous topic of the screenshot,
if I got it to work thanks to your help but I do not get the optimal
quality results, this leads me to the conclusion that there is some
option not available in the compilation, so I I decided to compile it
from source, but as I said repeatedly, the verad documentation is
conspicuous by its absence.
Please, I do not need to recommend other projects, I do not need to
recommend other platforms or tools, I just need to know if they know
the correct way to compile it with the environment and configuration
that I am using.my entry is:

$ ./configure --cross-prefix=x86_64-w64-mingw32- --arch=x86_64
--prefix=/usr/local --pkg-config=pkg-config
--pkg-config-flags=--static --extra-cflags=-static
--extra-ldflags=-static --enable-static --disable-shared --enable-gpl
--enable-avisynth --enable-libaom --enable-libfdk-aac
--enable-libfribidi --enable-libmp3lame --enable-libopus
--enable-libsoxr --enable-libvorbis --enable-libvpx --enable-libx264
--enable-libx265

and the response of the configure script is as follows

libfdk_aac is incompatible with the gpl and --enable-nonfree is not specified.
how can I use both combinations? thanks
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[FFmpeg-user] (no subject)

[vinod kc]

Hi,
I have a video with 45 minutes duration. This video contains 2-5 breaks.
Each break time lasts 10 seconds. At this time, the screen is completely
black. But, we can see a watermark and time code clearly. So I want to get;
1. The start and end time of this black screen break.
2. The time code on this black screen frame.
I hope somebody can help me with this. Now, i have this code and i can
create a text file with this.
-
ffmpeg -i video.mp4 -vf blackdetect=d="8":pic_th="0.90":pix_th="0.10" -an
-f null - 2> logfile.txt
---
But this code will only find the start time & end time  of each break. I
want the time code also. And one more thing. Those numeric values in that
code is the result of my trial and error experiment. I don't know what are
they. I hope someone will give a clarity on this subject. Thanks in advance.
-Vinod Chandran.


Virus-free.
www.avast.com

<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
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[FFmpeg-user] (no subject)

[Leonardo via ffmpeg-user]

Hello,

I'm trying to use ffmpeg to record the computer screen and also audio from 
microfone. Googling I found a lot of "how to". Although I can now record, I do 
have a few questions (3):

1) Using command

$ ffmpeg -thread_queue_size 512 -f alsa -ac 2 -ar 44100 -i hw:0,0 -video_size 
1024x768 -probesize 10M -framerate 30 -thread_queue_size 512 -f x11grab -i :0.0 
-c:a aac -c:v libx264 -vf "format=yuv420p" output.mp4
ffmpeg version N-98341-gcca982ee01 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --toolchain=hardened --arch=amd64 --enable-gpl 
--disable-stripping --enable-avresample --disable-filter=resample 
--enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom 
--enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca 
--enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig 
--enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm 
--enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg 
--enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg 
--enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr 
--enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame 
--enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack 
--enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid 
--enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal 
--enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm 
--enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 
--enable-shared
  libavutil  56. 55.100 / 56. 55.100
  libavcodec 58. 93.100 / 58. 93.100
  libavformat    58. 47.100 / 58. 47.100
  libavdevice    58. 11.100 / 58. 11.100
  libavfilter 7. 86.100 /  7. 86.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale  5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, alsa, from 'hw:0,0':
  Duration: N/A, start: 1593480535.223265, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Input #1, x11grab, from ':0.0':
  Duration: N/A, start: 1593480535.257288, bitrate: 754974 kb/s
    Stream #1:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1024x768, 754974 
kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
Stream mapping:
  Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 0x55a51bf2fb00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 
AVX
[libx264 @ 0x55a51bf2fb00] profile High, level 3.1
[libx264 @ 0x55a51bf2fb00] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC 
codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: 
cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 
psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 
deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 
sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 
constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 
open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 
rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 
ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4':
  Metadata:
    encoder : Lavf58.47.100
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), 
yuv420p(progressive), 1024x768, q=-1--1, 30 fps, 15360 tbn, 30 tbc
    Metadata:
  encoder : Lavc58.93.100 libx264
    Side data:
  cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
    Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 
128 kb/s
    Metadata:
  encoder : Lavc58.93.100 aac
frame=   19 fps=0.0 q=0.0 size=   0kB time=00:00:00.00 bitrate=N/A speed=   
frame=   34 fps= 34 q=0.0 size=   0kB time=00:00:00.00 bitrate=N/A speed=   
frame=   49 fps= 32 q=0.0 size=   0kB time=00:00:00.00 bitrate=N/A speed=   
frame=   64 fps= 32 q=29.0 size=   0kB time=00:00:00.39 bitrate=   
1.0kbits/frame=   79 fps= 31 q=29.0 size=   0kB time=00:00:00.90 bitrate=   
0.4kbits/frame=   95 fps= 31 q=29.0 size=   0kB time=00:00:01.40 bitrate=   
0.3kbits/frame=  110 fps= 31 q=29.0 size=   0kB time=00:00:01.90 bitrate=   
0.2kbits/frame=  125 fps= 31 q=29.0 size=   0kB time=00:00:02.40 bitrate=   
0.2kbits/frame=  140 fps= 31 q=29.0 size=   0kB time=00:00:02.92 bitrate=   
0.1kbits/frame=  156 fps= 31 q=29.0 size=   0kB time=00:00:03.43 bitrate=   
0.1kbits/frame=  162 fps= 28 q=-1.0 Lsize= 208kB time=00:00:05.30 bitrate= 
321.1kbits/s speed=0.93x    
video:143kB audio:59kB subtitle:0kB other streams:0kB global headers:0kB muxing 
overhead: 3.221925%
[libx264 @ 0x55a51bf2fb00] frame I:1 Avg 

[FFmpeg-user] (no subject)

[Nasser Nano]

Hi everyone,
> can j download video from straming video site that are DRm protected ?
> thanks
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am Fr., 24. Apr. 2020 um 10:01 Uhr schrieb Tajti Krisztian
:

> I have an issue where I start merging video and audio
> and my mac will render it for a long time and also the file size
> does not match the sum of the video and audio.
> I tried it on a pc and it does it in one second (without rendering),
> and the file size is the sum of the audio and video file.
>
> I used exactly the same command (and of c. same files) on both machines.
> ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac output.mp4

> What could be wrong ?

Complete, uncut console outputs missing.

Carl Eugen
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[FFmpeg-user] (no subject)

[Tajti Krisztian]

Hi,

I have an issue where I start merging video and audio
and my mac will render it for a long time and also the file size
does not match the sum of the video and audio.
I tried it on a pc and it does it in one second (without rendering),
and the file size is the sum of the audio and video file.

I used exactly the same command (and of c. same files) on both machines.
ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac output.mp4

What could be wrong ?

Regards,
Krisztian
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

> Am 08.03.2020 um 08:23 schrieb ASHIM TOM :
> 
> Why is ffplay binary is not getting compiled?

Why do you send emails without a subject?
Why are you not showing us your configure line?

You have to install the sdl2 development package.

Carl Eugen
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[FFmpeg-user] (no subject)

[ASHIM TOM]

Why is ffplay binary is not getting compiled?
Only ffmpeg and ffprobe are compiled
I used the official repo to build
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Re: [FFmpeg-user] (no subject)

[Michael Castellon]

Ok.
I understand.

Thanks.



On Fri, Aug 23, 2019 at 6:23 PM Carl Eugen Hoyos  wrote:

> Am Sa., 24. Aug. 2019 um 00:16 Uhr schrieb Michael Castellon
> :
> >
> > FFmpeg users, please you help.
> >
> > ffplay -devices
>
> ffplay uses sdl for output, none of the FFmpeg "devices".
>
> Carl Eugen
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Am Sa., 24. Aug. 2019 um 00:16 Uhr schrieb Michael Castellon
:
>
> FFmpeg users, please you help.
>
> ffplay -devices

ffplay uses sdl for output, none of the FFmpeg "devices".

Carl Eugen
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[FFmpeg-user] (no subject)

[Michael Castellon]

FFmpeg users, please you help.

ffplay -devices

Devices:
 D. = Demuxing supported
 .E = Muxing supported
 --
 DE alsaALSA audio output
 DE fbdev   Linux framebuffer
 D  lavfi   Libavfilter virtual input device
 DE oss OSS (Open Sound System) playback
  E sdl,sdl2SDL2 output device
 DE sndio   sndio audio playback
 DE video4linux2,v4l2 Video4Linux2 output device
 D  x11grab X11 screen capture, using XCB
  E xv  XV (XVideo) output device

But how do I know that output I am using?
For example, I am needing to force output
audio: sndio
video: xv

Thanks.
Michael.
Regards
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[FFmpeg-user] (no subject)

[lastkill]

hi! i need to know if ffmpeg.exe uses Gpu or cpu when we use it to convert 
video to number of images? 
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[FFmpeg-user] (no subject)

[Louis Letourneau]

Has anyone managed to capture a feed using the "USB Capture SDI 4k"
from Magewell with ffmpeg?

It runs for awhile but then a 0 byte packet comes along and ffmped just stops.
It doesn't quit, but the frame number just stops and it doesn't do
anything after rhis.

I saw 2 bugs from 2014 and both seem to state it's fixed but clearly it's not.

Thank you. Output following.


> ffmpeg -y -r 60 -thread_queue_size 256 -f v4l2 -framerate 60 -i /dev/video1 
> -thread_queue_size 256 -f alsa -i hw:1 -codec:a libfdk_aac -b:a 128k -codec:v 
> libx264 -crf 18 -preset ultrafast -pix_fmt yuv422p -t 00:53:00 title.mp4

ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
  configuration: --prefix=/data/software/ffmpeg-3.4.2 --enable-gpl
--enable-libfreetype --enable-libx264 --enable-libx265
--enable-nonfree --enable-libfdk-aac --enable-libopus --enable-libvpx
--enable-openssl --enable-shared --enable-sdl2
  libavutil  55. 78.100 / 55. 78.100
  libavcodec 57.107.100 / 57.107.100
  libavformat57. 83.100 / 57. 83.100
  libavdevice57. 10.100 / 57. 10.100
  libavfilter 6.107.100 /  6.107.100
  libswscale  4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc54.  7.100 / 54.  7.100
[video4linux2,v4l2 @ 0x1039680] Dequeued v4l2 buffer contains 362568
bytes, but 460800 were expected. Flags: 0x00012001.
Input #0, video4linux2,v4l2, from '/dev/video1':
  Duration: N/A, bitrate: 221184 kb/s
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422,
640x360, 221184 kb/s, 60 fps, 60 tbr, 1000k tbn, 1000k tbc
Guessed Channel Layout for Input Stream #1.0 : stereo
Input #1, alsa, from 'hw:1':
  Duration: N/A, start: 1552090307.006454, bitrate: 1536 kb/s
Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (libfdk_aac))
Press [q] to stop, [?] for help
[libx264 @ 0x104ff80] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x104ff80] profile High 4:2:2, level 3.1, 4:2:2 8-bit
[libx264 @ 0x104ff80] 264 - core 148 r2643 5c65704 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html -
options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1
psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0
8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0
threads=11 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1
interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0
keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0
crf=18.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
Output #0, mp4, to 'title.mp4':
  Metadata:
encoder : Lavf57.83.100
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661),
yuv422p(progressive), 640x360, q=-1--1, 60 fps, 15360 tbn, 60 tbc
Metadata:
  encoder : Lavc57.107.100 libx264
Side data:
  cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: aac (libfdk_aac) (mp4a / 0x6134706D), 48000
Hz, stereo, s16, 128 kb/s
Metadata:
  encoder : Lavc57.107.100 libfdk_aac
[video4linux2,v4l2 @ 0x1039680] Dequeued v4l2 buffer contains
corrupted data (0 bytes).=   1x
Last message repeated 63 times
frame=46086 fps= 43 q=20.0 size=  613888kB time=00:12:47.91
bitrate=6548.9kbits/s speed=0.721x
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

2018-09-13 18:32 GMT+02:00, Peter Gusev :

> Video plays back correctly color-wise and size-wise. However
> it "scrolls" vertically all the time

Does this also happen if you only use ffplay?
$ ffplay -f avfoundation -framerate 25 -pixel_format uyvy422 -i "0"

Please test current FFmpeg git head.

Carl Eugen
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

2018-08-01 17:35 GMT+02:00, juan carlos rebate :
> How could I edit video without reconverting this video? For example,
> add a watermark

This is (generally) impossible and not related to FFmpeg.

Carl Eugen
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 01.08.2018 um 17:35 schrieb juan carlos rebate:
> How could I edit video without reconverting this video? For example, add a
> watermark, or delete a frame and that the format and quality do not change.
> The commands -c copy or -vcodec and -acodec copy does not have the desired
> effect, although these commands supposedly are for that the result is that
> the video has a higher bit rate, also when you use the copy commands you
> can not use -maxrate and -minrate because it would not make sense.
>  what should I do?

you can't - and next time bother to write a subject to get your messages
not marked as spam
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[FFmpeg-user] (no subject)

[juan carlos rebate]

How could I edit video without reconverting this video? For example, add a
watermark, or delete a frame and that the format and quality do not change.
The commands -c copy or -vcodec and -acodec copy does not have the desired
effect, although these commands supposedly are for that the result is that
the video has a higher bit rate, also when you use the copy commands you
can not use -maxrate and -minrate because it would not make sense.
 what should I do?
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Re: [FFmpeg-user] (no subject)

[Moritz Barsnick]

On Thu, Jun 07, 2018 at 20:46:44 +0100, Anthony Griffiths wrote:
> re-stream this to ffserver (on the same machine) using
> ffmpeg-0.10.16-1.el6.x86_64 that I installed with yum.

Sorry, this version is *extremely* outdated. It was last maintained
three years ago, presumably just with security fixes. 0.10 hasn't
received functional fixes in ages.

Any issues you are seeing are most likely already solved. Even if not,
it's too much struggle trying to debug them on that version.

I know that is the version that rpmfusion stil distributes, and I know
of no other repo (negativo17's multimedia doesn't carry ffmpeg for
RHEL6).

You will need to compile your own version of ffmpeg. It's quite
straight forward, and well described here:
https://trac.ffmpeg.org/wiki/CompilationGuide/Centos

Please try that first.

On the other hand, recent versions of ffmpeg no longer have ffserver,
sorry. You may need to compile a pre-4.x version for that, or find some
other solution. :-/

Cheers,
Moritz
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[FFmpeg-user] (no subject)

[Anthony Griffiths]

I have a live video stream on a centos 6 server that can be viewed at
http://198.91.92.112:90/mobile/index.m3u8 using nginx and I'm trying to
re-stream this to ffserver (on the same machine) using
ffmpeg-0.10.16-1.el6.x86_64 that I installed with yum. The output video
from ffmpeg can be viewed at http://198.91.92.112:8090/test1.mpg. ffmpeg
starts and runs fine but after about 15-20 seconds the ffmpeg output video
freezes and audio goes silent as well, after a few more seconds it then
unfreezes and runs ok but on resumption the lip sync is way out. This looks
as though the video freezes but the audio doesn't, it carries on in the
background.

This is the ffmpeg command:
ffmpeg -re -y -i http://198.91.92.112:90/mobile/index.m3u8
http://127.0.0.1:8090/feed1.ffm

I've also tried:
ffmpeg -re -y -i http://198.91.92.112:90/mobile/index.m3u8 -framerate 25 -g
50 -s 640x360 -maxrate 600k -bufsize 1200k http://127.0.0.1:8090/feed1.ffm

I get a lot of this in the console with both commands:

skipping 1 segments ahead, expired from playlists1:55:45.80 bitrate=
442.6kbits/s dup=3 drop=0
skipping 1 segments ahead, expired from playlists1:57:57.85 bitrate=
442.5kbits/s dup=253 drop=0
skipping 1 segments ahead, expired from playlists1:58:07.69 bitrate=
442.6kbits/s dup=503 drop=0
skipping 1 segments ahead, expired from playlists2:15:54.59 bitrate=
442.5kbits/s dup=753 drop=0

what can I do to stop this stuttering and freezing? is there a way to keep
the audio and video locked together in sync despite the stuttering? the
original .m3u8 input stream doesn't have this problem. thanks for any ideas.
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Re: [FFmpeg-user] (no subject)

[Reuben Martin]

On Monday, April 17, 2017 6:22:18 AM CDT Erik Slagter wrote:
> > according to mp4box tutorials that I have read about making mpeg-dash, I
> > know that I have to set keyint and minkey int equal and also related to
> > segment duration. so I tries using min-keyint=100, but the result video
> > had
> > the min-keyint=51
> 
> Do the tutorials also explain why you would ever want to use a braindead
> (!) fixed gop size in the first place?
> 
> I could imagine a requirement for a closed gop type, but really not why
> you'd want to be gop's always exactly the same length, it's making
> encoding really inefficient.

If you encode a DASH stream with multiple representations (dynamic streaming 
with multiple resolutions / bitrates) you have no way to ensure that the 
encoders for the different resolutions and / or bitrates set the exact same 
GOP boundaries and segmentation on the same frames. Without some way to slave 
encoder processes to one master encoder process with respect to GOP, frame-
type decisions and segmentation, locking down the GOP to a set size is the 
only way to ensure that.

Would be awesome if ffmpeg / x264 developed a way to provide that master - 
slave IPC between different encode sub-processes.

May not apply to this specific situation, but I think that is the thinking 
behind the strict GOP size recommendation.

-Reuben


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Re: [FFmpeg-user] (no subject)

[Erik Slagter]

On 17-04-17 13:25, negin tebyani wrote:

>> Do the tutorials also explain why you would ever want to use a braindead
>> (!) fixed gop size in the first place?
>>
>> I could imagine a requirement for a closed gop type, but really not why
>> you'd want to be gop's always exactly the same length, it's making 
encoding

>> really inefficient.


mp4box group has said that gop length has to be fixed and the same lengh
for input videos, otherwise the dash video will not play well.


That's not really an explanation.

Don't top-post.
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Re: [FFmpeg-user] (no subject)

[negin tebyani]

mp4box group has said that gop length has to be fixed and the same lengh
for input videos, otherwise the dash video will not play well.


> Do the tutorials also explain why you would ever want to use a braindead
> (!) fixed gop size in the first place?
>
> I could imagine a requirement for a closed gop type, but really not why
> you'd want to be gop's always exactly the same length, it's making encoding
> really inefficient.
>
>
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Re: [FFmpeg-user] (no subject)

[Erik Slagter]

according to mp4box tutorials that I have read about making mpeg-dash, I
know that I have to set keyint and minkey int equal and also related to
segment duration. so I tries using min-keyint=100, but the result video had
the min-keyint=51


Do the tutorials also explain why you would ever want to use a braindead 
(!) fixed gop size in the first place?


I could imagine a requirement for a closed gop type, but really not why 
you'd want to be gop's always exactly the same length, it's making 
encoding really inefficient.


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[FFmpeg-user] (no subject)

[negin tebyani]

I have two videos that I encoded them with ffmpeg, like:

ffmpeg -i 1_med.mp4 -movflags faststart -c:v libx264 -x264opts
'keyint=100:min-keyint=25:no-scenecut:8x8dct:sliced-threads=0' -deblock 1:1
-flags +loop -b:v 850k -maxrate 850k -bufsize 2000k -nal-hrd cbr -vf
"scale=-1280:720:flags=spline+full_chroma_inp+full_chroma_int+accurate_rnd+bitexact"
-acodec libfdk_aac -b:a 320k -coder 1 -me_range 16 -bf 10 -q:v 1 -qmin 0
-qmax 69 -trellis 2 -mbtree 1 -mixed-refs 1 -preset veryslow medfull.mp4


ffmpeg -i 1_high.mp4 -movflags faststart -c:v libx264 -x264opts
'keyint=100:min-keyint=25:no-scenecut:8x8dct:sliced-threads=0' -deblock 1:1
-flags +loop -b:v 1024k -maxrate 1024k -bufsize 2500k -nal-hrd cbr -vf
"scale=-1280:720:flags=spline+full_chroma_inp+full_chroma_int+accurate_rnd+bitexact"
-acodec libfdk_aac -b:a 320k -coder 1 -me_range 16 -bf 10 -q:v 1 -qmin 0
-qmax 69 -trellis 2 -mbtree 1 -mixed-refs 1 -preset veryslow highfull.mp4

according to mp4box tutorials that I have read about making mpeg-dash, I
know that I have to set keyint and minkey int equal and also related to
segment duration. so I tries using min-keyint=100, but the result video had
the min-keyint=51

so I returned to 25. because the FPS is 25 also.

how can I fix this?? my final dash video has some frame freezes, and i
think it is related to this issue.
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Phil Rhodes  rocketmail.com> writes:

> That's "manners," you insolent prick.

Thank you for correcting me, as you probably assumed, I am 
not a native speaker.

[...]

> Please be aware that you are tolerated for your technical 
> knowledge

That surprises me very much given that among all contributors 
I probably have least technical knowledge.

As said, your quoting looks broken here, please try to fix it.

Carl Eugen

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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Moritz Barsnick  gmx.net> writes:

> With that very old version of ffmpeg, he would have to, 
> as it doesn't support "-to". 

Which imo makes the whole try to support the OP less 
helpful, sorry.

Carl Eugen

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Re: [FFmpeg-user] (no subject)

[RDP]

On 24 Jul 2016 6:09 p.m., "Phil Rhodes"  wrote:
>
> I have also criticised Carl Eugen when he's been >rude, which even his
greatest admirer would have to >admit is something he does almost
constantly.

With all due respect, would it not be bright and better idea to take any
cat-fighting Off-List, gentlemen?  ;o)  Then make up, and go buy each other
a pint?

As to being brusque ( better description ), there are those who are very
protective of their projects, or those they are actively involved in.
Prime example? Linus Torvalds' candid take his own impatience and temper (
check out http://ted.com )

Chris
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Re: [FFmpeg-user] (no subject)

[Moritz Barsnick]

On Sun, Jul 24, 2016 at 18:16:14 +0200, Cley Faye wrote:
> of your input might change. The "-t" option allows you to specify a
> duration instead of a timestamp if this is an issue.

With that very old version of ffmpeg, he would have to, as it doesn't
support "-to". ;-)

> If I'm not wrong, your command line would look something like this:
> # ffmpeg -ss 00:00:10 -to 00:00:20 -i
> /home/lamas44747/public_html/sarmaye.mp4 -c copy
> /home/lamas44747/public_html/split.mp4

Let me add that you need to be prepared for surprises. To quote the
wiki:
"Note that if you specify -ss before -i only, the timestamps will be
reset to zero, so -t and -to have not the same effect. If you want to
keep the original timestamps, add the -copyts option."

Please see some of the examples here (none of them using "-to" as an
input option by the way):
https://trac.ffmpeg.org/wiki/Seeking#Cuttingsmallsections

Moritz

P.S.: Thanks for a technical email. The list doesn't get many these
  days. ;) But I too agree ffmpeg-0.6.x really shouldn't be
  supported. With 2.8.x I wouldn't be so hard on the poster.
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Re: [FFmpeg-user] (no subject)

[Phil Rhodes]

> you are trolling over years here

This is not true.
I have pointed out problems with some of the basic video engineering in ffmpeg. 
I have also criticised Carl Eugen when he's been rude, which even his greatest 
admirer would have to admit is something he does almost constantly.
I'm not here to cause trouble. I consider both of those things to be relevant 
and useful contributions.
P
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 24.07.2016 um 18:56 schrieb Phil Rhodes:

 Please understand that this has changed now, you are not> allowed anymore to 
speak open on our mailing lists, you > have to suppress you arrogant manors.

That's "manners," you insolent prick.
But in any case, the idea that I'm going to accept advice from you on good 
behaviour is hilarious. You are one of the most arrogant, condescending people 
I've ever come across. Your presumptiveness is absolutely astounding, and you 
do it every day. I post a few times a year.
Tellingly, whenever I have met people in person who use this list, your 
staggering rudeness has, without exception, been a topic of conversation. 
You're a laughing stock. Please be aware that you are tolerated for your 
technical knowledge; you are certainly not liked, at least not by any of the 
list users I've met. Whether you have some sort of psychological condition 
which renders you unable to understand this situation I don't know, but it 
isn't really my problem: it is nonetheless true.
Doubtless you're very sure of your position, so I'm sure you won't mind posting 
this publicly.


piss somewehre in the wood - you are trolling over years here



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Re: [FFmpeg-user] (no subject)

[RDP]

On 24 Jul 2016 5:51 p.m., "Nicolas George"  wrote:
>
> Le septidi 7 thermidor, an CCXXIV, RDP a écrit :
> > (.. incidentally, Phil, your list email also ended up in my spam
folder..
>
> That means your spam filter does its job.

I know!  Though there *was* an intentional double entendre in there (
somewhere )..

.. and I think you meant *is* doing its job?  ;o)

[ Exeunts rapidly Stage Left ( with broad grin ) before I too suffer slings
and arrows.. ]
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Re: [FFmpeg-user] (no subject)

[Phil Rhodes]

> Please understand that this has changed now, you are not> allowed anymore to 
>speak open on our mailing lists, you > have to suppress you arrogant manors.
That's "manners," you insolent prick.
But in any case, the idea that I'm going to accept advice from you on good 
behaviour is hilarious. You are one of the most arrogant, condescending people 
I've ever come across. Your presumptiveness is absolutely astounding, and you 
do it every day. I post a few times a year.
Tellingly, whenever I have met people in person who use this list, your 
staggering rudeness has, without exception, been a topic of conversation. 
You're a laughing stock. Please be aware that you are tolerated for your 
technical knowledge; you are certainly not liked, at least not by any of the 
list users I've met. Whether you have some sort of psychological condition 
which renders you unable to understand this situation I don't know, but it 
isn't really my problem: it is nonetheless true.
Doubtless you're very sure of your position, so I'm sure you won't mind posting 
this publicly.
P  
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 24.07.2016 um 18:51 schrieb Nicolas George:

Le septidi 7 thermidor, an CCXXIV, RDP a écrit :

(.. incidentally, Phil, your list email also ended up in my spam folder..


That means your spam filter does its job


or it does an d the yahoo server which randomly was used for that 
message was on too much RBL's this time since Yahoo is *one pf the 
major* spam supporters even allowing forged envelope senders


Received: from nm12-vm0.bullet.mail.bf1.yahoo.com 
(nm12-vm0.bullet.mail.bf1.yahoo.com [98.139.213.140])


spam.dnsbl.sorbs.netLISTED  127.0.0.6



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Re: [FFmpeg-user] (no subject)

[Nicolas George]

Le septidi 7 thermidor, an CCXXIV, RDP a écrit :
> (.. incidentally, Phil, your list email also ended up in my spam folder..

That means your spam filter does its job.
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Phil Rhodes  rocketmail.com> writes:

> That's his problem - it's nothing to do with you.

This is (unfortunately!) not correct: 
As you have pointed out, I give support to users on this 
mailing list. Where I live, I may be made responsible for 
not telling users that they are using (old) versions of 
FFmpeg that do have known issues.
This is also the reason why avconv (that has a usually 
identical syntax as ffmpeg) cannot be supported on this 
mailing list: It has both security issues and known 
encoding issues, so we - imo - have to tell people that 
it is not supported here.

[...]

> I have no idea why you insist on this campaign of hatred 
> against anyone who attempts to use this list outside
> of your personal and microscopically-narrow definition of 
> acceptability. Almost every post you make exhibits 
> complete contempt for the people you're addressing.

We did accept all kinds of insults in the past.
Please understand that this has changed now, you are not 
allowed anymore to speak open on our mailing lists, you 
have to suppress you arrogant manors.

Please fix your quoting, Carl Eugen
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Re: [FFmpeg-user] (no subject)

[RDP]

On 24 Jul 2016 5:30 p.m., "Carl Eugen Hoyos"  wrote:
>
> Phil Rhodes  rocketmail.com> writes:
> > Please, if you aren't interested in getting involved
> > in a discussion, simply ignore it.
>
> Yes, this is what I would honestly like you to do.
>
> But as I learned over the last decade, this is a
> desperate and unsatisfiable hope..

Touché!  ;o)

(.. incidentally, Phil, your list email also ended up in my spam folder..
telling me the rocketmail address is misconfigured.. ).
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Re: [FFmpeg-user] (no subject)

[Phil Rhodes]

> The version used by the OP has known security issues> and known bugs. Nobody 
>stepped forward over the last > years to continue support for it, so we do 
>know that > it actually is unsupported.
That's his problem - it's nothing to do with you. If someone wants to ask a 
question here and someone else wants to answer it, they can if they want, and 
it isn't your place to try to stop them.
I have no idea why you insist on this campaign of hatred against anyone who 
attempts to use this list outside of your personal and microscopically-narrow 
definition of acceptability. Almost every post you make exhibits complete 
contempt for the people you're addressing.
You can't do this an expect everyone to be completely happy with it. It's 
utterly unnecessary.
P

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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Phil Rhodes  rocketmail.com> writes:

> > As explained, this is not supported
> Well, Carl Eugen, it may not be supported by you, 

It isn't.

> but other people may be able to help.

No.

The version used by the OP has known security issues 
and known bugs. Nobody stepped forward over the last 
years to continue support for it, so we do know that 
it actually is unsupported.
(As was explained by others before I answered.)

Note that the tries to help the OP will only lead to 
more misunderstandings: Options that he cannot use are 
incorrectly explained...

> Please, if you aren't interested in getting involved 
> in a discussion, simply ignore it.

Yes, this is what I would honestly like you to do.

But as I learned over the last decade, this is a 
desperate and unsatisfiable hope...

Carl Eugen

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Re: [FFmpeg-user] (no subject)

[Phil Rhodes]

> As explained, this is not supported
Well, Carl Eugen, it may not be supported by you, but other people may be able 
to help.
Please, if you aren't interested in getting involved in a discussion, simply 
ignore it.
-Phil
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Re: [FFmpeg-user] (no subject)

[Cley Faye]

2016-07-24 17:45 GMT+02:00 Walid Salman :

>
> [root@ns1 ~]
> ​​
> # ffmpeg -i /home/lamas44747/public_html/sarmaye.mp4 -ss
> 00:00:10 -to 00:00:20 -c copy /home/lamas44747/public_html/split.mp4
>
> the server show this error :
>
> FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
>   built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)
>   configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
> --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth
> --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
> -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC'
> --enable-avfilter --enable-avfilter-lavf --enable-libdc1394
> --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin
> --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb
> --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger
> --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl
> --enable-nonfree --enable-postproc --enable-pthreads --enable-shared
> --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
>   libavutil 50.15. 1 / 50.15. 1
>   libavcodec52.72. 2 / 52.72. 2
>   libavformat   52.64. 2 / 52.64. 2
>   libavdevice   52. 2. 0 / 52. 2. 0
>   libavfilter1.19. 0 /  1.19. 0
>   libswscale 0.11. 0 /  0.11. 0
>   libpostproc   51. 2. 0 / 51. 2. 0
>
> Seems stream 0 codec frame rate differs from container frame rate: 48.00
> (705505/14698) -> 24.00 (705505/29396)
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
> '/home/lamas44747/public_html/sarmaye.mp4':
>   Metadata:
> major_brand : isom
> minor_version   : 512
> compatible_brands: isomiso2avc1mp41
> encoder : Lavf56.40.101
> comment : http://www.aparat.com/kshahrvandi
>   Duration: 00:00:58.88, start: 0.-46440, bitrate: 662 kb/s
> Stream #0.0(eng): Video: h264, yuv420p, 640x360 [PAR 1:1 DAR 16:9], 562
> kb/s, 24 fps, 24 tbr, 705505.00 tbn, 48 tbc
> Stream #0.1(eng): Audio: aac, 44100 Hz, stereo, s16, 96 kb/s
> Unrecognized option 'to'


​There are multiple ways to do this, but I assume in this case you want
your input to start at 00:00:10 and end at 00:00:20 from the input video ?
First, know that using copy, it is possible that the cut won't begin
exactly where you want it: to produce a readable output, a lot of codecs
requires the stream to start on an iframe. If you want exact cut, you might
need to reencode a part of your video.

Second, I believe that this time (I was wrong on this before), you want to
-ss and -to to be *input* options and not *output* options. With ffmpeg,
the argument order is important: any option related to an input or an
output must be provided before the input/output. If you have an option that
is related to an input, it must be before the corresponding "-i".
Also note that depending on which option you choose, the relative timestamp
of your input might change. The "-t" option allows you to specify a
duration instead of a timestamp if this is an issue.​

​If I'm not wrong, your command line would look something like this:​
​​# ffmpeg -ss 00:00:10 -to 00:00:20 -i
/home/lamas44747/public_html/sarmaye.mp4 -c copy
/home/lamas44747/public_html/split.mp4​

​Here, "-ss" and "-to" relate to the input file, "​-c copy" relate to the
output.
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Re: [FFmpeg-user] (no subject)

[RDP]

On 24 Jul 2016 4:45 p.m., "Walid Salman"  wrote:
> I have an video and neet to split it, so I use this command :
>
> [root@ns1 ~]# ffmpeg -i /home/lamas44747/public_html/sarmaye.mp4 -ss
> 00:00:10 -to 00:00:20 -c copy /home/lamas44747/public_html/split.mp4
>
> the server show this error :
>
> FFmpeg version 0.6.5, Copyright (c) 2000-2010

Nothing wrong with the command syntax, works perfectly..  but there may
well be some major head scratching as to why you're using such an ancient
version of ffmpeg!!  0.6.5??  Really?  ;o)
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Re: [FFmpeg-user] (no subject)

[Carl Eugen Hoyos]

Walid Salman  gmail.com> writes:

> FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers

As explained, this is not supported, please do not 
continue to ask questions about it.

Please remember no to top-post here and do not send 
messages without subject.

Carl Eugen

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[FFmpeg-user] (no subject)

[Walid Salman]

Hello,

I have an video and neet to split it, so I use this command :

[root@ns1 ~]# ffmpeg -i /home/lamas44747/public_html/sarmaye.mp4 -ss
00:00:10 -to 00:00:20 -c copy /home/lamas44747/public_html/split.mp4

the server show this error :

FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
  built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
--mandir=/usr/share/man --incdir=/usr/include --disable-avisynth
--extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC'
--enable-avfilter --enable-avfilter-lavf --enable-libdc1394
--enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin
--enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger
--enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl
--enable-nonfree --enable-postproc --enable-pthreads --enable-shared
--enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
  libavutil 50.15. 1 / 50.15. 1
  libavcodec52.72. 2 / 52.72. 2
  libavformat   52.64. 2 / 52.64. 2
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter1.19. 0 /  1.19. 0
  libswscale 0.11. 0 /  0.11. 0
  libpostproc   51. 2. 0 / 51. 2. 0

Seems stream 0 codec frame rate differs from container frame rate: 48.00
(705505/14698) -> 24.00 (705505/29396)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/home/lamas44747/public_html/sarmaye.mp4':
  Metadata:
major_brand : isom
minor_version   : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf56.40.101
comment : http://www.aparat.com/kshahrvandi
  Duration: 00:00:58.88, start: 0.-46440, bitrate: 662 kb/s
Stream #0.0(eng): Video: h264, yuv420p, 640x360 [PAR 1:1 DAR 16:9], 562
kb/s, 24 fps, 24 tbr, 705505.00 tbn, 48 tbc
Stream #0.1(eng): Audio: aac, 44100 Hz, stereo, s16, 96 kb/s
Unrecognized option 'to'

Some one to help me ...
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Re: [FFmpeg-user] (no subject)

[Roger Pack]

On 7/15/16, Tim Hiles  wrote:
> Hi all,
>
> Seeing odd behavior with screen capture recorder.
>
> This always works on win 7. No problems. Even when resolution is set to
> 1920 x 1080
>
> c:\ffmpeg\ffmpeg\bin\ffmpeg.exe -f dshow -i
> video="screen-capture-recorder":audio="Microphone Array (Realtek High
> Definition Audio)" -vcodec libx264 -pix_fmt yuv420p -preset ultrafast
> -acodec pcm_s16le -ac 1 -ar 22050 C:\CMT\output.mkv
>
> But it isn't working on this win 10 computer with the resolution set to
> 1920 x 1080.  What happens is that it actually crops the image down to
> 1536x864

gdigrab may work better for you, I think it handles DPI.
See also 
https://github.com/rdp/screen-capture-recorder-to-video-windows-free/issues/50
for possible work arounds.
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

"(no subject)" will attract many people and give a good future ressource 
in list-archives - what mail client allows that without aksing if you 
are serious and why don't you just compose a mail from top to bottom how 
others read and stop at "no subject"?


why don't mailman reject such posts?



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[FFmpeg-user] (no subject)

[Tim Hiles]

Hi all,

Seeing odd behavior with screen capture recorder.

This always works on win 7. No problems. Even when resolution is set to
1920 x 1080

c:\ffmpeg\ffmpeg\bin\ffmpeg.exe -f dshow -i
video="screen-capture-recorder":audio="Microphone Array (Realtek High
Definition Audio)" -vcodec libx264 -pix_fmt yuv420p -preset ultrafast
-acodec pcm_s16le -ac 1 -ar 22050 C:\CMT\output.mkv

But it isn't working on this win 10 computer with the resolution set to
1920 x 1080.  What happens is that it actually crops the image down to
1536x864

Output Below

c:\ffmpeg\ffmpeg\bin\ffmpeg.exe -f dshow -i
video="screen-capture-recorder":audio="Microphone Array (Realtek High
Definition Audio)" -vcodec libx264 -pix_fmt yuv420p -preset ultrafast
-acodec pcm_s16le -ac 1 -ar 22050 C:\CMT\output.mkv
ffmpeg version N-80923-g50747d6 Copyright (c) 2000-2016 the FFmpeg
developers
  built with gcc 5.4.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth
--enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enable-iconv --enable-libass --enable-libbluray --enable-libbs2b
--enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
--enable-libilbc --enable-libmodplug --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-librtmp --enable-libschroedinger
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libzimg --enable-lzma --enable-decklink --enable-zlib
  libavutil  55. 28.100 / 55. 28.100
  libavcodec 57. 48.103 / 57. 48.103
  libavformat57. 41.100 / 57. 41.100
  libavdevice57.  0.102 / 57.  0.102
  libavfilter 6. 47.100 /  6. 47.100
  libswscale  4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc54.  0.100 / 54.  0.100
leaving aero onGuessed Channel Layout for Input Stream #0.1 : stereo
Input #0, dshow, from 'video=screen-capture-recorder:audio=Microphone Array
(Realtek High Definition Audio)':
  Duration: N/A, start: 5660.844000, bitrate: N/A
Stream #0:0: Video: rawvideo, bgr0, 1536x864, 30 fps, 30 tbr, 1k
tbn, 1k tbc
Stream #0:1: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
[libx264 @ 050fdd00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
FMA3 AVX2 LZCNT BMI2
[libx264 @ 050fdd00] profile Constrained Baseline, level 4.0
[libx264 @ 050fdd00] 264 - core 148 r2705 3f5ed56 - H.264/MPEG-4 AVC codec
- Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=0
ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00
mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11
fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1
sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0
constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0
intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69
qpstep=4 ip_ratio=1.40 aq=0
[matroska @ 050fc3a0] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, matroska, to 'C:\CMT\output.mkv':
  Metadata:
encoder : Lavf57.41.100
Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p,
1536x864, q=-1--1, 30 fps, 1k tbn, 30 tbc
Metadata:
  encoder : Lavc57.48.103 libx264
Side data:
  cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, mono,
s16, 352 kb/s
Metadata:
  encoder : Lavc57.48.103 pcm_s16le
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Past duration 0.609367 too large
Past duration 0.92 too large
frame=   18 fps=0.0 q=23.0 size=   1kB time=00:00:00.48 bitrate=
 15.0kbits/Past duration 0.937492 too large
Past duration 0.984367 too large
frame=   33 fps= 33 q=18.0 size= 667kB time=00:00:00.99
bitrate=5497.2kbits/Past duration 0.937492 too large
Past duration 0.984367 too large
Last message repeated 1 times
frame=   48 fps= 32 q=14.0 size= 838kB time=00:00:01.49
bitrate=4599.2kbits/frame=   64 fps= 32 q=13.0 size=1064kB
time=00:00:01.99 bitrate=4373.2kbits/Past duration 0.92 too large
Past duration 0.984367 too large
frame=   79 fps= 31 q=21.0 size=1327kB time=00:00:02.49
bitrate=4359.7kbits/Past duration 0.953117 too large
Past duration 0.984367 too large
frame=   94 fps= 31 q=13.0 size=1523kB time=00:00:02.99
bitrate=4167.5kbits/Past duration 0.92 too large
Past duration 0.874992 too large
frame=  109 fps= 31 q=25.0 

Re: [FFmpeg-user] (no subject)

[Reindl Harald]

Am 05.04.2016 um 14:51 schrieb Ivan Cacique:

I'm having serious problems with the latest versions of ffmpeg with constants 
lockups

Since ffmpeg-20160310-git-689211d-win64-static


* no subject
* no real problem description
* just wow

http://www.catb.org/esr/faqs/smart-questions.html#beprecise



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[FFmpeg-user] (no subject)

[Ivan Cacique]

I'm having serious problems with the latest versions of ffmpeg with constants 
lockups .

Since ffmpeg-20160310-git-689211d-win64-static

Ivan

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Re: [FFmpeg-user] (no subject) (It should have been: Re: Has the syntax changed for audio remapping in ffmpeg 3.0?)

[lou]

Everyone is tired of the bickering in this thread (and stinks of another recent 
argurethread). If there are more similar replies I will set a moderation flag, 
and then your messsages will be stuck in the dank, bottomless pit of the mod 
queue.
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Re: [FFmpeg-user] (no subject) (It should have been: Re: Has the syntax changed for audio remapping in ffmpeg 3.0?)

[Reindl Harald]

Am 16.02.2016 um 21:13 schrieb satellitevie...@gmx.ca:

On Tuesday, February 16, 2016 at 2:46 PM, "Reindl Harald" 
 pontificated:


Am 16.02.2016 um 20:26 schrieb satellitevie...@gmx.ca:

I am not trying to "destroy" your ancient list software. If it's that fragile, 
maybe it's time to retire it!



maybe you have noe clue was threading means



here you see it in reality:
https://ffmpeg.org/pipermail/ffmpeg-user/2014-March/thread.html#20340



here the theory:
https://en.wikipedia.org/wiki/Threaded_discussion[https://en.wikipedia.org/wiki/Threaded_discussion]


I love it when someone gets on their high horse to try to correct someone and then shows 
total disregard for proper spelling.  You must be a real idiot if you can't spell the 
word "no"!  Here's a clue for you:


there is a difference between a fast typo (in a foreign language) and no 
clue how to operate a mail client which works the same way everywhere 
for decades


"I have never come across ANY other email system that just silently 
discards any message that is not pure plain text"- well, there is not 
point to write HTML until you want to format something


to be honest: it should not disard them but reply with "idiot write 
plain text when there is nothing to format and colorize"




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Re: [FFmpeg-user] (no subject) (It should have been: Re: Has the syntax changed for audio remapping in ffmpeg 3.0?)

[satelliteviewer]

On Tuesday, February 16, 2016 at 2:46 PM, "Reindl Harald" 
 pontificated:

> Am 16.02.2016 um 20:26 schrieb satellitevie...@gmx.ca:
>> I am not trying to "destroy" your ancient list software. If it's that 
>> fragile, maybe it's time to retire it!

> maybe you have noe clue was threading means

> here you see it in reality:
> https://ffmpeg.org/pipermail/ffmpeg-user/2014-March/thread.html#20340

> here the theory:
> https://en.wikipedia.org/wiki/Threaded_discussion[https://en.wikipedia.org/wiki/Threaded_discussion]

I love it when someone gets on their high horse to try to correct someone and 
then shows total disregard for proper spelling.  You must be a real idiot if 
you can't spell the word "no"!  Here's a clue for you:

http://www.merriam-webster.com/dictionary/no

See, I can post links too!

What part of "It was an accident" did you not understand?  You aren't perfect 
either, and again, if your ancient mailing list software could handle 
enhanced-text email like almost every other mailing list program not in use, I 
would not have been obsessing over getting the formatting right and I probably 
wouldn't have missed the fact that the subject line was blank.  In fact I 
probably could have just replied to the original post and it would have filled 
in the subject line automatically.  In the last ten years at least, I have 
never come across ANY other email system that just silently discards any 
message that is not pure plain text.

If you want to live in the past that's up to you, but EVERYONE makes mistakes, 
even you, and especially when confronted with an unfamiliar process.  You need 
to lose the attitude.  Or you can try to continue this pissing match, but 
you'll be talking to yourself, because I'm unsubscribing right after I send 
this (as soon as I can figure out how, anyway).  Life is too short to be told 
off by the likes of you over a simple mistake.

To everyone else, I appreciate the help I got and I really was not trying to 
"destroy" your mailing list, and I'm sorry that you have to put up with this 
asshole on your list.
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Re: [FFmpeg-user] (no subject) (It should have been: Re: Has the syntax changed for audio remapping in ffmpeg 3.0?)

[Reindl Harald]

Am 16.02.2016 um 20:26 schrieb satellitevie...@gmx.ca:

I am not trying to "destroy" your ancient list software.  If it's that fragile, 
maybe it's time to retire it!


maybe you have noe clue was threading means

here you see it in reality:
https://ffmpeg.org/pipermail/ffmpeg-user/2014-March/thread.html#20340

here the theory:
https://en.wikipedia.org/wiki/Threaded_discussion



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Re: [FFmpeg-user] (no subject) (It should have been: Re: Has the syntax changed for audio remapping in ffmpeg 3.0?)

[Reindl Harald]

problem to post plaintext?
enhanced text messages?

get a useable mailclient - press "reply to list" and that's it

Am 16.02.2016 um 20:26 schrieb satellitevie...@gmx.ca:

On Tuesday, February 16, 2016 at 2:16 PM, "Reindl Harald" 
 wrote:

why do you destroy a list-thread by compose a new message witout a
subject instead reply to the previous post?


Sorry!!! Next time maybe I should not bother trying to thank someone for 
helping me!

It was an accident.  I have to go through such a convoluted process to post a 
plain text message from here that I simply overlooked the fact that the message 
had no subject.  I saw it when I got it back and was about to compose a 
follow-up when I got your little nastygram.

Lighten up.  People make mistakes.  And if your stupid mailing list would 
accept enhanced text messages like just about every other modern mailing list, 
people would not need to jump through hoops to post here and maybe wouldn't 
make mistakes like that.  It 1s 2016, not 1980, and it's been many years since 
email programs stopped sending plain text as the default.

I very much appreciate the help I received, but I don't appreciate the tone of your post. 
 I am not trying to "destroy" your ancient list software.  If it's that 
fragile, maybe it's time to retire it!






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Re: [FFmpeg-user] (no subject) (It should have been: Re: Has the syntax changed for audio remapping in ffmpeg 3.0?)

[satelliteviewer]

On Tuesday, February 16, 2016 at 2:16 PM, "Reindl Harald" 
 wrote:
> why do you destroy a list-thread by compose a new message witout a
> subject instead reply to the previous post?

Sorry!!! Next time maybe I should not bother trying to thank someone for 
helping me!

It was an accident.  I have to go through such a convoluted process to post a 
plain text message from here that I simply overlooked the fact that the message 
had no subject.  I saw it when I got it back and was about to compose a 
follow-up when I got your little nastygram.

Lighten up.  People make mistakes.  And if your stupid mailing list would 
accept enhanced text messages like just about every other modern mailing list, 
people would not need to jump through hoops to post here and maybe wouldn't 
make mistakes like that.  It 1s 2016, not 1980, and it's been many years since 
email programs stopped sending plain text as the default.

I very much appreciate the help I received, but I don't appreciate the tone of 
your post.  I am not trying to "destroy" your ancient list software.  If it's 
that fragile, maybe it's time to retire it!
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Re: [FFmpeg-user] (no subject)

[Reindl Harald]

why do you destroy a list-thread by compose a new message witout a 
subject instead reply to the previous post?




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[FFmpeg-user] (no subject)

[satelliteviewer]

 
On Tue, 16 Feb 2016 00:59:24 +0100, Moritz Barsnick  wrote:
 

>> pipe:///usr/local/bin/ffmpeg -loglevel fatal -i 
>> http://127.0.0.1:9981/stream/channelnumber/CHANNEL_NUMBER -c:v copy -c:s 
>> copy -c:d copy -c:t copy -filter_complex 
>> +[0:1][0:2][0:3]amerge=inputs=3,pan=5.1|FL=c0|FR=c1|FC=c2|LFE=c3|BL=c4|BR=c5 
>> -c:a eac3 -f mpegts pipe:1
> I have an idea what the issue could be though!
> It may be this recent commit:
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?p=ffmpeg.git;a=commit;h=470749703e3cec3a86bc556648a20f0ec1701954
> It changes the format of the output MPEG-TS w.r.t. E-AC3 audio (which
> you are using). If you add "-mpegts_flags system_b", it should revert
> the behavior.
> Please see if that helps. It's a wild guess.
> (BTW, if that's it, then that's something we probably could *not* have
> seen from the console logs. ;-))
 
That was a VERY good guess, thank you!!!  I reinstalled ffmpeg 3.0 and then 
changed the last part of that URL to:
 
... -c:a eac3 -mpegts_flags system_b -f mpegts pipe:1
 
And now it works!  Unfortunately the new version of ffmpeg still doesn't 
present the closed captions when the stream is viewed using Kodi (Isengard).  
But now I am thinking that is a Kodi issue rather than a ffmpeg issue, because 
just on a hunch I tried viewing the stream in VLC rather than Kodi, and 
although for some reason VLC will not play those streams smoothly on my system, 
I at least was able to see enough to determine that the subtitles are there 
when viewed using VLC.  So I don't know why Kodi doesn't pick them up, but 
that's not a ffmpeg problem.  I think Kodi's ATSC subtitle support is very 
rudimentary at best (on another channel it has the problem of not displaying 
them quickly enough, so they stack up and get behind until finally a bunch are 
lost, so it's not just this channel where it doesn't display them properly).
 
Anyway, thank you again for taking the time to post your guess, it was spot on! 
 I have sent an email to the maintainer of the page I found those instructions 
on, so hopefully they can get that information passed on.
 
 
 
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Re: [FFmpeg-user] (no subject)

[Moritz Barsnick]

On Sat, Nov 21, 2015 at 16:03:02 -0700, Jim Worrall wrote:
> Can you apply a bitstream filter when you are just copying the
> stream?

Yes, you can. A bitstream filter operates on a different level than
encoding.

> Wouldn’t that require transcoding?

No. And it worked for the first 15 minutes...

Moritz
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Re: [FFmpeg-user] (no subject)

[Moritz Barsnick]

On Sat, Nov 21, 2015 at 14:57:42 -0500, Ming Luo wrote:
> And if I trim the original 18 min video to 15 minutes, it works.

To me this indicates that there is some error in the video stream which
ffmpeg can't handle. Sorry, I don't know more than that (such as
whether ffmpeg should handle that, or how to check what kind of issue
that may be).

Moritz
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Re: [FFmpeg-user] (no subject)

[Jim Worrall]

> On 2015 Nov 21, at 12:57 PM, Ming Luo  wrote:
> 
> Hi, guys,
> 
> I installed ffmpeg-2.8.2 on Mac and run in command line:
> 
> ffmpeg -i firstTake.mp4 -vcodec copy -acodec copy -vbsf h264_mp4toannexb
> firstTake.ts
> 
> and get the following result with some errors. For each time running, the
> error happens at different   time positions. And if I trim the original 18
> min video to 15 minutes, it works. I'm new in this area. Can anyone shed
> some light on my problem? Thanks!
> 
> OUTPUT:
> ==
> . . . .

> Failed to open bitstream filter h264_mp4toannexb for stream 0 with codec
> copy: Invalid argument

I’m no expert, and just guessing here since no one else answered so far.  Can 
you apply a bitstream filter when you are just copying the stream?  Wouldn’t 
that require transcoding?  That’s what the failure message might be saying.

On the other hand, if it is genuinely working when you trim the input file, I 
don’t know.
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