On Mon, May 14, 2018 at 15:48:18 +0200, cedric.dew...@telfort.nl wrote:
> I have a bananapi, running Armbian 5.38. I have done the following steps to
> compile ffmpeg:
> git clone https://github.com/chwe17/FFmpeg-Cedrus.git
I would like to claim: If you have issues with that fork of ffmpeg, why
d
On Mon, May 14, 2018 at 12:28:13 +0200, Thomas Schmiedl wrote:
> I'm only an end-user, maybe someone could help me?
Perhaps someone at the freetz site?
> I got this error: 'ERROR: libxml-2.0 not found using pkg-config'. But
> the freetz-toolchain does not contain pkg-config. Is it possible to us
On Mon, May 14, 2018 at 12:54:02 +0200, sirk98 qwerty89 wrote:
> I try to use the debug loglevel, but I can't understand the problem .
>
> av_interleaved_write_frame(): Broken pipe
> No more output streams to write to, finishing.
> Error writing trailer of http://127.0.0.1:8989/1: Broken pipe
>
>
On Sat, May 12, 2018 at 19:26:25 +0200, Thomas Schmiedl wrote:
> I tested with the ffmpeg git-version. When I use './configure
> --list-demuxers', there is 'dash' listed. A simple './configure' does
> not list 'dash' in the 'configure summary report' under 'Enabled demuxers'.
>
> Is there an ext
On Mon, May 07, 2018 at 21:13:38 -0300, Jamenson Ferreira Espindula de Almeida
Melo wrote:
> Below is the listing of a DVD movie disc. I want to convert these files
> to one file. The files already are on my hard disk.
>
> total 4,2G
> -r--r--r-- 1 jamenson jamenson 124K fev 2 2010 video_ts.vob
On Mon, May 07, 2018 at 05:27:04 +, m.kamalasubha m.kamalasubha wrote:
> I tried to open URL using avformat_open_input API function.
> Initially, I got a warning like,
Hi Kamalasubha,
for questions regarding the use of the libav* libraries, you have a
much better chance of getting support on t
Hi Claire,
On Mon, May 07, 2018 at 10:41:44 +, Claire Mantel wrote:
> Yes, KLV is a standard for encoding data (https://en.wikipedia.org/wiki/KLV)
> I believe it's quite commonly used in commercial UAVs (drones) to tag the
> video with info like timestamp, GPS coordinates and pitch, roll and
On Sun, May 06, 2018 at 00:46:43 +0200, Nomis101 ? wrote:
> Am 05.05.18 um 23:45 schrieb Lou Logan:
> > Supported sample rates: 8000 16000 32000 11025 22050 44100 12000 24000 48000
>
> OK, thanks. I did not know, that it is possible to look up the supported
> sample rates like this. Are there any
On Thu, May 03, 2018 at 16:46:47 -0300, Jamenson Ferreira Espindula de Almeida
Melo wrote:
> I would like to get some tutorials about FFmpeg. The official
> documentation seems to me very abstract.
That may be so. But do take a look at the contributions in the Wiki as
well:
https://trac.ffmpeg.or
On Fri, May 04, 2018 at 23:45:27 -0700, swades wrote:
> Please help me waiting for help. its been 24 hours I am waiting for replies.
> I am noob i want little help
>
> * i don't know how to Run this. i mean where do i run
> this set SDL_AUDIODRIVER=directsound Please also teach how to set at sys
Hi Claire,
On Thu, May 03, 2018 at 14:21:29 +, Claire Mantel wrote:
> I have a videostream with klv metadata that I want to edit while keeping the
> metadata.
> I'm wondering if it's possible with ffmpeg?
I assume you mean that which ffmpeg identifies as a KLV data stream? (I
have no knowled
On Wed, May 02, 2018 at 15:51:09 +0200, Bouke / VideoToolShed wrote:
> Strange thing, more than 8 channels give silent output:
> ffmpeg -i 9Ch_orMore.WAV -filter_complex "[0:0][0:0]
> amix=inputs=2,pan=mono|c0=c0+c1” -ac 1 mono.wav
> gives on errors whatsoever, but output is silent.
"No" errors?
On Mon, Apr 30, 2018 at 15:50:55 +, juan carlos rebate wrote:
> I have a file with 2 audio tracks and I want to remove one of them,the file
> has three tracks, one video track and two audio tracks,in previous versions
> I usually do the following:
> ffmpeg-i imput.avi -map 0:0 -vcodec copy -map
On Mon, Apr 30, 2018 at 08:41:32 +, m.kamalasubha m.kamalasubha wrote:
> I tried the above command line. It works.
Nice!
> But the requirement is to have individual raw files for every individual ts
> file.
Again, you didn't say so originally.
> Is there any way to generate raw file for eve
On Fri, Apr 27, 2018 at 14:11:47 +, m.kamalasubha m.kamalasubha wrote:
> Basically, I want to extract the audio and video raw files from the ts
> segments of the playlist file. Is it possible to generate the raw files
> from the individual TS segments using FFmpeg?
Ah, that's why it's always g
On Fri, Apr 27, 2018 at 18:54:40 +0530, m.kamalasubha m.kamalasubha wrote:
> Is there any way to download the individual ts files from the .m3u8
> playlist file https://mnmedias.api.telequebec.tv/m3u8/29880.m3u8 of
> specific bitrate using FFmpeg?
No, ffmpeg always demuxes and remuxes a stream.
W
On Sat, Apr 21, 2018 at 15:39:09 +0200, Reindl Harald wrote:
> * it was removed in some snapshot
> * in a later release tarball *after* that snapshot it was there again
There's your misunderstanding:
- recent 3.4.x releases were made from the n3.4 branch (and 3.3.x from
n3.3 and so on;
- snapsho
On Tue, Apr 17, 2018 at 22:24:12 +0200, Frank Haefemeier wrote:
> Am Montag, den 16.04.2018, 16:02 -0400 schrieb antony baxter:
> > I have some video files with a DTS audio stream. I'm trying to add a
> If you not specifiy the right mapping index by 'ac' parameter it will
> default to zero.
Sorr
On Mon, Apr 16, 2018 at 16:02:53 -0400, antony baxter wrote:
> I have some video files with a DTS audio stream. I'm trying to add a
> couple of additional audio streams into the file, transcoded from the
> DTS stream. My command line is:
>
>ffmpeg
> -i "${input}"
> -map 0:0
>
On Fri, Apr 13, 2018 at 08:17:41 +0200, Paul B Mahol wrote:
> > I'm not a programmer, sorry. I guess ffmpeg is not the right tool for this
> > job. Thanks.
>
> Have you ever noticed there are other video source filters? Like life,
> cellauto
> and mptestsrc?
Indeed, if all you need is frames w
On Mon, Apr 09, 2018 at 16:21:39 +0200, Phillipe Laterrade wrote:
> Does anyone knows if an ffmpeg static version exists including the fix
> documented in the ticket #6383 ?
Yes, since that commit has been in the repo since last year, all builds
from git master will include that fix. (No existin
On Tue, Apr 03, 2018 at 17:43:03 +0200, rav...@gmx.de wrote:
> > $ [...] -map 0:v -map 0:a:0 -map 0:a:1
> That also fails:
Because, unlike mpv, ffmpeg fails to recognize the audio streams which
appear later:
> # ffmpeg -hide_banner -y -ss 1:15.500 -i capture_V0.mpg -t 30
> capture_V1_30s.mkv
[..
Hi Austin,
On Tue, Apr 03, 2018 at 13:05:03 +0530, Austin Einter wrote:
> After I prepare buffer, then I use av_write_xxx apis to write it using
> ffmpeg.
The list ffmpeg-user discusses use of ffmpeg's command line tools. If
you need assistance in using the libav* libraries, please direct your
q
On Sun, Apr 01, 2018 at 03:22:10 +0200, rav...@gmx.de wrote:
> I want to keep audio track 1 ("aid=1") and audio track 2 ("aid=2"), or how
> ffmpeg usually addresses these: "audio0 audio1"
> The other 2 audio tracks can be rejected / should not be added into the
> resulting mkv or ogv.
No problem
On Mon, Apr 02, 2018 at 09:39:18 +0200, Zoltan Kerenyi Nagy wrote:
> I'd like to overlay the audio waveform coming from an axis camera's stream.
> I've started to read the documentation, but It's quiet complex. For testing
> I use that bunny stream.
[...]
> I'd like similar to this video:
>
> http
Hi Jeff,
On Sun, Apr 01, 2018 at 16:28:28 -0400, Jeff wrote:
> However when running *ffplay* as the root user over X11 on the same files,
> I am getting met with the '*Unable to initialize SDL*' error.
First of all: *WHY*?? There is usually no good reason to run anything
as root, if you are not a
On Thu, Mar 22, 2018 at 09:22:24 +0800, Kai Hendry wrote:
> https://s.natalian.org/2018-03-22/1521681432.mp4.log
> I'm getting hwupload,scale_vaapi=format=nv12: Invalid argument
>
> Did I miss something?
Yes, the lines before that one. This hints that your command line is
misinterpreted:
> Openin
On Wed, Mar 21, 2018 at 07:57:02 +1300, 3djake wrote:
> How do I compile ffmpeg so that ffplay can use /dev/fb0 for playback?
You don't. It uses SDL.
> ./configure --arch=armel --target-os=linux --enable-gpl --enable-omx
> --enable-omx-rpi --enable-nonfree --enable-mmal --enable-ffplay
>
> It ap
On Tue, Mar 20, 2018 at 18:08:36 +0100, ned.hodd...@bellair.net wrote:
> Could anyone tell me why I get slightly different audio durations reported
> from the following two commands:
>
> ffprobe -show_streams x.m4a
>
> ffprobe -select_streams a:0 -show_entries format=duration x.m4a
>
> In thi
On Sat, Mar 17, 2018 at 22:33:42 +0100, Carl Eugen Hoyos wrote:
> > But I can't find a way to download the subtitle file within the command.
> > Could you suggest me any possibilities to achieve that, even further - to
> > embed the subtitle to the video?
>
> Afaik, mpegts does not support any typ
On Thu, Mar 15, 2018 at 09:18:01 -0700, Carl Zwanzig wrote:
> On 3/15/2018 9:05 AM, Moritz Barsnick wrote:
> > AFAIU, MPEG-PS can contain streams which appear later. (Same for
> > MPEG-TS, I think.) Perhaps the subtitle streams aren't visible at t=0.
>
> That is my ex
On Wed, Mar 14, 2018 at 22:01:01 +0100, Adi Marvillo wrote:
> ffprobe does not show any difference in the file-specs: not with the
> encoder nor in resolution although the small video has bad quality- Does
> anybody know what is the differnce between the 2 files and why ffmpeg
> keeps telling me th
On Thu, Mar 15, 2018 at 14:42:32 +0100, Adi Marvillo wrote:
> > Input #0, mpeg, from 'stream.dump':
> > Duration: 01:16:44.93, start: 0.040033, bitrate: 5392 kb/s
> > Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, top
> > first), 720x480 [SAR 32:27 DAR 16:9], 29.67 fps, 59.94 tbr,
On Mon, Mar 12, 2018 at 12:32:09 +0100, Peter B. wrote:
> On 2018-03-12 11:50, Paul B Mahol wrote:
> > prores_aw gonna be removed.
>
> Interesting.
>
> Will the alias "-c:v prores" then point to "prores_ks"?
I'm quite sure.
BTW, there was a previous recent propasal to move the alias to _ks, bu
On Mon, Mar 12, 2018 at 08:24:26 +0100, Peter B. wrote:
> But now I know:
>
> * -c:v prores_ks: uses the documented profile strings
> * -c:v prores_aw (=prores): seems to work only with integers (not in the
> documentation/nor help)
Indeed.
> [prores_aw @ 0x36fdc40] unknown profile -1, use
On Sun, Mar 11, 2018 at 09:33:29 +0100, Peter B. wrote:
> 2) Docs say "profile/quantmat" is "integer", but only list strings:
>
>
> [quote]
> profile integer
> Select the ProRes profile to encode
>
> ‘proxy’
> ‘lt’
> ‘standard’
> ‘hq’
On Fri, Mar 09, 2018 at 18:47:33 +, Pierre Pasquet wrote:
> I’m confused.
> What does $ ffmpeg -i udp://127.0.0.1: actually
> do?
> Is it a substitute to mediastreamsegmenter?
No. It verifies that what the other ffmpeg sent was actually an MPEG-TS
with audio only. To answer the questio
On Fri, Mar 09, 2018 at 17:34:05 +, Pierre Pasquet wrote:
> Why can’t I just do the same for a stream segmenter? Doesn’t FFMpeg provide a
> way to create a MPEG-2 transport stream with Audio only?
Yes it does. If you launch your audio-only ffmpeg stream (but not your
segmenter), and then sep
On Fri, Mar 09, 2018 at 15:59:07 +0800, xyzero wrote:
> Hi all:
> I use the lastest ffmpeg 3.4.2 to transcode a HLS live streaming with the
> command :
> "ffmpeg -i /2011/03/17/20110311090142995200.wmv -c:v h264 -flags +cgop -g 25
> -hls_init_time 1 -hls_time 10 -hls_list_size 0 -hls_flags temp_f
On Fri, Mar 09, 2018 at 01:03:16 +, Pierre Pasquet wrote:
> In theory, when receiving an input file, the segmenter should generate a
> playlist .m3u8 and create subsequent .aac files (because we are dealing only
> with audio)
[...]
> I know that the ffmpeg command is not write because it appl
On Thu, Mar 08, 2018 at 19:51:03 -0800, Carl Zwanzig wrote:
> One thing missing is some directed speculation even before the cmd line is
> sent; it's a valuable part of troubleshooting and helps those asking to learn.
Yes and no. Speculating will help the OP avoid providing more
information. It m
On Thu, Mar 08, 2018 at 14:25:54 +, Pierre Pasquet wrote:
> Not sure to identify what is missing. This command works for a .m4v file and
> doesn’t for a .aac file located in the same directory.
As Carl Eugen tried to point out: What is missing is that you provide
your actual (non-working) com
On Tue, Mar 06, 2018 at 09:32:11 +0530, Vittalprasad wrote:
> *command:*
> ffmpeg -c:v rawvideo -pix_fmt yuv420p -s:v 1920x1080 -r 30 -i bb.yuv -vf
> scale=960:540 -c:v h264 out.h264
>
> *Error:*Cannot load libcuda.so.1
> Error initializing output stream 0:0 -- Error while opening encoder for
> o
Hi Jacky,
On Mon, Mar 05, 2018 at 17:19:24 +0100, JACKY wrote:
> I would like to perform a aac sound normalize with the loudnorm filter
> but let ffmpeg read the first pass log result to perdorm the second pass
> is there a way to do so on windows ?
As far as I can tell, there is no way (current
On Wed, Feb 28, 2018 at 11:30:28 +0100, Moritz Barsnick wrote:
>
> [0:v]drawtext=fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf:x=8:y=8:fontsize=16:fontcolor=yellow@1:expansion=strftime:basetime=151817268000:text='%Y-%m-%d
> %H-%M-%S[vout]' \
>-ma
On Wed, Feb 28, 2018 at 09:04:22 +, oktay eşgül wrote:
> Thank you for your comment.Yes ,seems webm encoding is not supportef by my
> gpu.İnstead,I am planning toy use mkv as output container type.
MKV should work fine.
> instruction do you recommend?
> > On Wed, Feb 28, 2018 at 05:53:17 +00
On Wed, Feb 28, 2018 at 05:53:17 +, oktay eşgül wrote:
> Here is the main steps of my process:
> 1.Split video and audio of the caller.
> time ffmpeg -y -i 230087_caller.webm -vn -ab 256 230087_caller.wav
> 2.Split video and audio of the callee
> time ffmpeg -y -i 230087_callee.webm -vn -ab 256
On Mon, Feb 26, 2018 at 16:43:50 -0500, Lindsey Williams wrote:
> "-r 1 " is just going to use the input file sampling rate, no?
Input file? We are talking about an input device (as this is a camera),
and the term is "frame rate". "-r" should be "-framerate" for a v4l2
input, but "-r" works. It re
On Fri, Feb 23, 2018 at 00:34:26 -0500, DiegoUG wrote:
> I'm doing a capture of an image from the docker using my web cam, but the
> docker is doing it at a resolution of 176x144 and outside of the docker in
> my localhost it takes it to 640x360, in both it's the same installation, I
> do not know
On Mon, Feb 26, 2018 at 10:06:36 +0530, Vittalprasad wrote:
> external player like mplayer, vlc and kmp are failing to decode voice . i.e
> while playing mp4 file there is only video no voice.
Are you sure that your external players support this? This feature was
only recently added to the standar
On Tue, Feb 20, 2018 at 15:15:42 +0100, Glenn Cooper wrote:
> I am trying to stream to YT by using a live Icecast radio stream and
> converting it on the fly. Whilst I have this working, the CPU overhead is
> simply ridiculous and I suspect there's an error with my usage. I would hope
> that som
On Sun, Feb 04, 2018 at 20:02:22 -0500, Mr Arca9 wrote:
> running into an issue with HLS stability.
>
> Upon receiving a 403 from an m3u8 link, ffmpeg will only try to reconnect
> once and if it fails it will stop trying to reconnect.
Does it really? (I couldn't find the code which does this.)
F
On Fri, Feb 02, 2018 at 21:08:24 +, Jason Player wrote:
> metadata fields- check). The funny thing is, ffprobe and ffmpeg will display
> the keyword metadata on my older files, just not set it. I¹ve tried using
You should provide the actual command line you tried, along with its
complete, uncu
On Sun, Jan 28, 2018 at 18:38:48 +0100, Cecil Westerhof wrote:
> | faster| 106.2 |7 |
> | veryfast | 83.2 |5 |
> | superfast | 177.4 |4 |
[...]
> So it looks like I should always use superfast. (But probably a good
> idea to test it with a few other videos.)
Funny, I had the same
On Sat, Jan 20, 2018 at 19:24:19 +0100, Frédéric wrote:
> But it is also possible that Kodi team made changes leading to this issue:
> as they use their own versioning, it looks like they change the code...
This is apparently the source code of the ffmpeg version they are
building (and you are usi
On Thu, Jan 18, 2018 at 13:27:47 -0800, DopeLabs wrote:
> just with a quick glance.. -c copy means stream copy.. as in not to
> re-encode.. you should use -c copy OR -vcodec h264(-c:v h264), not both...
That's not true. As you can see from serialhex's command line and
output:
> > D:\programmin\P
On Tue, Jan 16, 2018 at 01:47:44 +, Jeff Wang wrote:
> ffmpeg -i topia.flac -i topia_png.flac -threads 0 -map_chapters -1 -f flac
> -filter_complex "[0:a:0][1:a:0]concat=n=2:v=0:a=1[cat_a]" -map "[cat_a]"
> -acodec flac -sample_fmt s16 -ac 2 -ar 44100 -sn -vn
> topia.flac+topia_png.flac.flac
On Fri, Jan 12, 2018 at 11:17:49 +0100, Nicolas George wrote:
> Moritz Barsnick (2018-01-11):
> > You should be concat'ing the audio separately from the video, and then
> > mapping video and "[outa]" separately.
>
> Very bad advice that would lead to A-V des
On Fri, Jan 12, 2018 at 16:57:12 +0530, Vikram Parmar wrote:
Please try to avoid top-posting.
> >> Any other tools you are aware of which would allow adding of custom
> >> atoms? Those instructions in stackoverflow answer were quite daunting.
I'm not aware, but I'm no expert. In my humble opinio
On Thu, Jan 11, 2018 at 21:42:45 +, Gandharv Bhagat wrote:
> I am trying to generate an alpha channel QT, with Apple animation codec, but
> the I get output has a white background. here is the command
>
> ffmpeg -r 23.976 -loop 1 -i Alpha_1920x1080.png -c:v qtrle -t 00:00:30.000
> -vf
> sub
On Thu, Jan 11, 2018 at 22:57:11 +0100, ropiafoldetnezi wrote:
> multiple sources:
> 1 video file (.mp4)
> 6 separate audio files (.mps)
[...]
> the command i tried (on windows 10):
> ffmpeg -i video1.mp4 -i f1.mp3 -i n1.mp3 -i f2.mp3 -i m1.mp3 -i f3.mp3 -i
> v1.mp3 -filter_complex
> "[0:v:0][1:a:0
On Thu, Jan 11, 2018 at 21:11:55 +0100, Nicolas George wrote:
> > So apparently, ffmpeg is getting some different signal under Linux,
> > and/or handling it differently.
>
> SIGPIPE, obviously.
It was originally obvious to me. Except that I don't get what Windows
does differently. But I never eng
On Thu, Jan 11, 2018 at 15:33:43 +0530, Vikram Parmar wrote:
> Is it possible to add some custom atom in the header of a video file?
No, ffmpeg can't add custom or arbitrary atoms.
> I need to add the term "loop" in the header of MP4 files before the "moov"
> atom.
>
> More information can be fo
On Thu, Jan 11, 2018 at 10:56:13 -0500, Dave Rice wrote:
> Could you share the working command you used?
I'm sure it was
$ ffmpeg -report -f lavfi -i testsrc2 -f nut - test.mov -y | ffplay -
That was at work, under Windows. Now I'm at home, and "all" I have
access to is Linux. And here, I can rep
On Thu, Jan 11, 2018 at 16:03:08 +0100, Moritz Barsnick wrote:
> Interesting: ffmpeg doesn't close one output correctly, if the other
> one fails? (I didn't double check, but that is an undesired limitation,
> if you ask me. I'm not using the word "bug" yet.
On Thu, Jan 11, 2018 at 09:25:53 -0500, Dave Rice wrote:
> When running these commands the video plays (in either ffplay or
> mpv). When I close the playback window to stop the player, then
> ffmpeg also stops, but with an invalid output. In this case the file
> will_this_file_work.mov will have no
On Thu, Jan 11, 2018 at 14:44:11 +0100, Thomas Schmiedl wrote:
> xupnpd2 doesn't support https,
Wow. Welcome to the 21st century.
> so my idea is to receive the hls-stream in ffmpeg.
Should work.
> ffmpeg -i https://hddn01.skylinewebcams.com/live.m3u8?a= -c
> copy -f mpeg -listen 1 http://:123
On Sun, Jan 07, 2018 at 12:55:20 -0800, Jim DeLaHunt wrote:
> Harrumph. "Just try it first" is practical advice for this project, it
> seems.
LOL. I was just referring to doubts regarding the documentation. OTOH,
some details are not or cannot be explained, so when a user poses a
complicated "how
On Sun, Jan 07, 2018 at 10:16:55 -0800, Jim DeLaHunt wrote:
> And the term "demuxer" may be complicating things. The documentation for
> `image2` describes it as a "demuxer"[1]. But elsewhere, I think the
> FFmpeg documentation describes the operation of extracting multiple
> still frames from a
On Sat, Jan 06, 2018 at 23:08:32 -0800, Jim DeLaHunt wrote:
> ffmpeg -framerate 10 -i 'img-%03d.jpeg' out.mkv
> ffmpeg -framerate 10 -start_number 100 -i 'img-%03d.jpeg' out.mkv
> ffmpeg -framerate 10 -pattern_type glob -i "*.png" out.mkv
>
> Those examples lack a `-f image2` option. I would expec
On Thu, Jan 04, 2018 at 16:00:01 +, Legault, Phillip [GTSUS] wrote:
> Do you know if this was compiled with mp4 support?
Without even checking, I'm 99.99% sure it was.
Moritz
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On Wed, Jan 03, 2018 at 18:41:08 -0800, Chao-Chin Yang wrote:
> I am trying to compile ffmpeg from source with libx264. Because I
> don’t have any super-user privileges, I am building it under my home.
Even if you have superuser priviliges, you should build (and execute)
as a regular user. Only
On Tue, Jan 02, 2018 at 10:31:48 +, Martin Wahnschaffe wrote:
> Problem is that ffmpeg always uses a blocksize auf 1024. xaudio only
> supports block sizes of up to 512. It would be good to make the blocksize
> configurable to make it compatible.
Have you tried the MS-ADPCM output of sox? I ha
On Wed, Jan 03, 2018 at 10:19:47 +, Martin (Imagine Earth) wrote:
> What does top-post mean?
Lou kindly pointed you to Google and other docs, and I may add:
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is
On Wed, Jan 03, 2018 at 18:06:01 +0300, Александр wrote:
>
> Hello! The second day we suffer, as in one team to change the video to
> proportions and impose a watermark?
> ffmpeg -i /home/rolik.mov -r 25 -crf 25.0 -vcodec libx264 -vpre medium
> -bufsize 8M -b 9000k -acodec libfaac -map 0:0 -map
On Wed, Jan 03, 2018 at 14:09:39 +0100, Carl Eugen Hoyos wrote:
> > I can't force ".mp3" on MP4 container though:
>
> There is a specification
Yeah, but I couldn't find it... So that's why I expressed my confusion.
Moritz
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f
On Wed, Jan 03, 2018 at 11:39:09 +0100, Gabriel Zachmann wrote:
>Stream #0:1(eng): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p,
> 192 kb/s (default)
Well, at least this looks peculiar, but I'm no QuickTime/MOV/MP4
expert. I get the same when r
On Tue, Jan 02, 2018 at 16:01:05 -0800, Gaye Gül Bulut wrote:
> My console output looks like this:
For which of those command lines?
> x265 [info]: Keyframe min / max / scenecut / bias: 25 / 250 / 40 / 5.00
I have just as much of a problem as you in getting these values to
change, despite follow
On Tue, Jan 02, 2018 at 18:55:56 +, brucedavid1...@hotmail.com wrote:
> Hello. How do I translate video and sound with an mp4 extension to raw format?
$ ffmpeg -i input.mp4 -f rawvideo rawvideofile -f s16le rawaudiofile
You may have to be more specific as to what you're trying to achieve.
Mo
On Tue, Dec 19, 2017 at 06:08:55 -0700, Rollie Tyler wrote:
> And here is the command that I tried:
>
> time /FFmpeg/3.4/bin/ffmpeg -hwaccel cuvid -c:v hevc_cuvid -i
> /storage/input_HDR.mp4 -c:v nvenc_hevc -filter_complex
> [0:0]scale_npp=colormatrix=bt2020:h_chr_pos=0:v_chr_pos=0,format=yuv420p1
On Mon, Dec 11, 2017 at 01:59:13 +0100, Carl Eugen Hoyos wrote:
> 2017-12-11 1:29 GMT+01:00 Moritz Barsnick :
> > On Sat, Dec 09, 2017 at 16:31:25 +0100, Lionel Crassier wrote:
> >> I’m trying to replace B-Frames and P-Frames exclusively with i-frames in a
> >> .mp4
On Sat, Dec 09, 2017 at 16:31:25 +0100, Lionel Crassier wrote:
> I’m trying to replace B-Frames and P-Frames exclusively with i-frames in a
> .mp4 video with x264 codec, mp4 muxer.
> I didn’t see any such functionality in your documentation.
Google is a really cool tool though.
https://lists.ffm
On Thu, Dec 07, 2017 at 07:03:29 -0700, sujaypatil0055 wrote:
> --cpu=arm7 \
> --arch=arm \
[...]
> --extra-ldflags='-L../x264 -Wl,--fix-cortex-a8 -L../android-libs
"--cpu=arm7" is wrong according to google. You probably don't even need
to set it. (The armv7 architecture is not the arm7 CPU. Thank
On Thu, Dec 07, 2017 at 20:41:01 +, George Nistor wrote:
> In either way it does not work.
That's not a very descriptive error. What did you try, what did you
expect, what was the actual result?
We kindly ask you to provide the actual command line and its complete,
uncut console output.
> H
On Wed, Dec 06, 2017 at 15:58:28 +, Dhananjay Umap wrote:
> ffmpeg -f video4linux2 -i /dev/video0 -start_number 1 -vframes 250 -c:v mpeg4
> -qscale:v 1 test1.avi
> As I can see below the rawvideo is at 1920x1080 format, but the input to the
> card is 4K as well as the card is 4K capable.
>
On Wed, Dec 06, 2017 at 06:40:12 +1100, Alec Taylor wrote:
> As for the ffserver.conf; I am using an unaltered
> http://ffmpeg.org/sample.html
>
> $ ffmpeg -f avfoundation -framerate 30 -i "FaceTime HD Camera":"Built-in
> Microphone" http://0.0.0.0:8090/stream0.webm
Oh, then you actually need to
On Tue, Dec 05, 2017 at 20:21:48 +0100, Michael Koch wrote:
> Is this possible?
Yes.
Oh, you want more info? ;-)
> Let's assume I have a sequence of 100 images. Is it possible to let
> ffmpeg loop over this input sequence again and again?
> I mean the input should be 0, 1, 2, ... , 99, 0, 1, 2
On Wed, Dec 06, 2017 at 06:10:17 +1100, Alec Taylor wrote:
> But unfortunately I get this error:
>
> av_interleaved_write_frame(): Broken pipe
> frame= 49 fps=1.4 q=0.0 size= 1kB time=00:00:00.89 bitrate=
> 6.5kbits/sav_interleaved_write_frame(): Broken pipe
> Error writing trailer of htt
On Tue, Dec 05, 2017 at 20:06:25 +0100, Moritz Barsnick wrote:
> Perhaps "--extra-cflags=-I/usr/local/include" should be something like
> "--extra-cflags=-I/usr/local/arm/4.3.2/arm-none-linux-gnueabi/x264"
> or wherever you put it.
I meant
"--extra-cflags=-I/
On Tue, Dec 05, 2017 at 21:28:00 +0800, 高建琛 wrote:
> I have install libx264,and I am sure the libx264 is good .But the running
> result show that error::libx264 not found.The version of my libx264 is
> x264-snapshot-20160511-2245.
[...]
> cc1: warning: include location "/usr/local/include" is uns
On Mon, Dec 04, 2017 at 15:01:41 +0100, Carl Eugen Hoyos wrote:
> > Um, since the prompt tells us it's Windows/DOS, I'm sure the ffmpeg
> > executable should be called with "ffmpeg\bin\ffmpeg" (i.e. backslaches
> > as path separator).
>
> Or possibly "ffmpeg" alone which may explain the error mess
On Mon, Dec 04, 2017 at 14:29:25 +0100, Carl Eugen Hoyos wrote:
> 2017-12-04 14:25 GMT+01:00 Moritz Barsnick :
> > clear (to me) from the docs.
>
> Which one?
The decimate filter's practical use isn't clear to me from the docs.
> The mpdecimate filter - as yo
On Mon, Dec 04, 2017 at 13:04:57 +0100, Edgar H wrote:
> C:\Users\myuser\myproject>java -jar streamer/streamer.jar 6 53122 |
> ffmpeg/bin/ffmpeg -f s16le -ar 48000 -ac 2 -i - -f ogg
> icecast://hackme:hackme@localhost:8000/streaming.ogg
Um, since the prompt tells us it's Windows/DOS, I'm sure th
On Mon, Dec 04, 2017 at 13:28:06 +0100, Carl Eugen Hoyos wrote:
> 2017-12-04 11:02 GMT+01:00 Moritz Barsnick :
> > "decimate" filter, but from its description, it can achieve
> > what you require: Dropping "nearly identical" frames.
>
> The relevea
On Mon, Dec 04, 2017 at 09:46:29 +, Will Price wrote:
> It's a real shame that the GoPro does this without warning as it will
> make our lives more challenging. We need to compute the optical flow
> of the videos and without an easy method of determining whether
> frames are 'duplicated' or no
On Mon, Dec 04, 2017 at 01:14:20 +0100, Edgar H wrote:
> Now that I've changed the operator, the output shows again but it seems
> that it's "Unable to find a suitable output format for '/bin/ffmpeg'", and
> then it says "bin/ffmpeg: Invalid argument"
>
> Am I missing any parameter? Maybe just rem
On Mon, Dec 04, 2017 at 00:42:50 +0100, Edgar H wrote:
> Basically I'm using the > operator to send the stdout data to ffmpeg in the
> following way...
>
> java -jar folder_in_project_root/streamer.jar > ffmpeg/bin/ffmpeg.exe -f
> s16le -ar 48000 -ac 2 -i - -f ogg -content_type application/ogg ic
On Fri, Dec 01, 2017 at 21:33:32 +, Andy Furniss wrote:
> Maybe it's intended by the camera eg. the early part is lower motion or
> lower light level.
Actually, googling for this issue gives a lot of hits, such as this:
https://community.gopro.com/t5/Cameras/High-speed-video-frame-doubling-is
On Fri, Dec 01, 2017 at 17:12:38 +, Will Price wrote:
> If you visually compare frames 1 and 2 then to the human eye they
> look impercetibly different, yet the diff shows that there is a
> difference.
That's certainly due to lossy encoding. Even if the input frames were
identical (assuming f
On Fri, Dec 01, 2017 at 09:01:43 +0530, geet fm wrote:
> ERROR: libmp3lame >= 3.98.3 not found
[...]
> --extra-libs=-lpthread \
This should be "-lpthreads" I believe. (It may not matter.)
If that doesn't help, please try "-lpthreads -lm":
http://ffmpeg.org/pipermail/ffmpeg-user/2017-October/037
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