Re: [FFmpeg-user] HD MXF SMPTE ST377 Standard Compliance Problem with multiple IndexTableSegments carring Unique ID twins (maybe a bug)

2018-11-09 17:36 GMT+01:00, Carl Zwanzig : > With such a well-written bug report Unfortunately, it isn't;-( > (especially compared to the more usual "it doesn't work") I strongly prefer "here is a link to a file that doesn't work", even "here is a command line to a file that doesn't play with

Re: [FFmpeg-user] HD MXF SMPTE ST377 Standard Compliance Problem with multiple IndexTableSegments carring Unique ID twins (maybe a bug)

2018-11-10 0:19 GMT+01:00, Marton Balint : > > On Fri, 9 Nov 2018, Lou Logan wrote: > >> On Fri, Nov 9, 2018, at 8:01 AM, Carl Eugen Hoyos wrote: >>> >>> (Continuing a discussion I had with several people who archive.) >>> I wonder if this

Re: [FFmpeg-user] h264_videotoolbox encoder

2018-11-09 22:18 GMT+01:00, Alfred E. Heggestad : > Version info first: > > $ ffmpeg -version > ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers While is relatively recent, there is in general no release support on this mailing list, and even less so for macos. [...] > 320

Re: [FFmpeg-user] HD MXF SMPTE ST377 Standard Compliance Problem with multiple IndexTableSegments carring Unique ID twins (maybe a bug)

2018-11-09 17:12 GMT+01:00, Christoph Gerstbauer : > Hello Carl, > > thanks for the fast reply > >> Please test current FFmpeg git head, nothing else is supported here. >> >> [...] > > I cant because I am not able to compile. I am just a user. Not a > programmer/compiler. > I am dependent on the

Re: [FFmpeg-user] Blocking frames with -acodec aac

2018-11-09 16:12 GMT+01:00, Tato Rocker : > Sorry, right now I can´t send you a video. But I can indicate that I'm > trying to execute this command: > ffmpeg -i 20181107_101356_256.avi -aq 9 -bufsize 991835k > -acodec aac -strict -2 r1.mp4 Complete, uncut console output missing. Please find out

Re: [FFmpeg-user] MOV: "undetermined" as audio track language writes "eng"

2018-11-09 13:21 GMT+01:00, Peter B. : > Just seen there's already an issue for this: > https://trac.ffmpeg.org/ticket/6103 > > "When trying to set the audio track metadata language to 'und' > (undefined) ffmpeg switches to 'eng' (English)" > > Shall I post my findings there? The ticket does look

Re: [FFmpeg-user] HD MXF SMPTE ST377 Standard Compliance Problem with multiple IndexTableSegments carring Unique ID twins (maybe a bug)

2018-11-09 15:25 GMT+01:00, Chris von Görstinger : > I am testing to generate XDMCAMHD422 and AVCIntra50/100 MXFs > with ffmpeg 4.0.2. and 4.0. Please test current FFmpeg git head, nothing else is supported here. [...] > After generating these files I am testing them with an MXF Analyzer which

Re: [FFmpeg-user] -vtag 'xvid' broken in 4.1

2018-11-08 14:12 GMT+01:00, Reindl Harald : > > > Am 08.11.18 um 14:09 schrieb Carl Eugen Hoyos: >> 2018-11-08 13:56 GMT+01:00, Reindl Harald : >>> >>> >>> Am 08.11.18 um 13:46 schrieb Carl Eugen Hoyos: >>>> 2018-11-08 13:43 GMT+01:

Re: [FFmpeg-user] Blocking frames with -acodec aac

2018-11-08 14:17 GMT+01:00, Tato Rocker : > I am making video conversions from .avi to .mp4. After updating the linux > kernel I can not use the library "libfaac" otherwise I am using the option > "-acodec aac -strict experimental" that works in most cases, but there are > certain videos that are

Re: [FFmpeg-user] -vtag 'xvid' broken in 4.1

2018-11-08 13:56 GMT+01:00, Reindl Harald : > > > Am 08.11.18 um 13:46 schrieb Carl Eugen Hoyos: >> 2018-11-08 13:43 GMT+01:00, Reindl Harald : >>> to not waste everybodys time? >> >> I may miss something but so far I had the impression that you >> were w

Re: [FFmpeg-user] -vtag 'xvid' broken in 4.1

2018-11-08 13:43 GMT+01:00, Reindl Harald : > to not waste everybodys time? I may miss something but so far I had the impression that you were wasting everybody's time by making untested claims in your original mail. Carl Eugen ___ ffmpeg-user mailing

Re: [FFmpeg-user] -vtag 'xvid' broken in 4.1

2018-11-08 13:35 GMT+01:00, Reindl Harald : >> PS: There is no release support on this mailing list, release support >> may exist on the bug tracker of your distribution > > I AM the distribution Then please start with fixing your configure line, you know that it contains several issues that

Re: [FFmpeg-user] -vtag 'xvid' broken in 4.1

2018-11-08 13:21 GMT+01:00, Reindl Harald : > that worked over many years now and with 4.1 "[mp4 @ 0x5618adfe4b80] > Could not find tag for codec mpeg4 in stream #0, codec not currently > supported in container" > > /usr/local/bin/ffmpeg -hide_banner -i > '/mnt/data/autotest/parts/ffmpeg/demo.mp4'

Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?

2018-11-06 11:32 GMT+01:00, Roman Gorelik : > Can someone explain please what is the difference between hwaccels > cuda and cuvid? Which one should be used in which cases? Adding to the answer: Using FFmpeg's parser and not Nvidia's can help with unusual samples. > PS C:\vers\Release>

Re: [FFmpeg-user] Re-packing video in new container file really working for all container types (AVI, MP4 MKV, WMV) and codecs?

2018-11-05 11:59 GMT+01:00, Ben : > Can someone please confirm that the target file (AVI, MP4, MKV, > WMV) will be full compliant with container definition and not just > a dirty workaround from ffmpeg. Please read the final clauses of the (L)GPL again, nobody can confirm what you request. Carl

Re: [FFmpeg-user] Re-packing video in new container file really working for all container types (AVI, MP4 MKV, WMV) and codecs?

2018-11-05 11:59 GMT+01:00, Ben : Splitting the answers to make sure that can be no misunderstanding about the first one;-) > Is this lossless re-packing possible for all types of video codecs We call it "remuxing" and it makes sense to use this word here. > (e.g. H.264, H.265, VP9 and Xvid)

Re: [FFmpeg-user] Question about rendering and photo dimensions.

2018-11-02 10:22 GMT+01:00, Hwaen Ch'uqi : > The following output was generated by the script command. In general, scripts are not supported here. This thread is a good explanation why: There most likely are issues about your FFmpeg command line that can be improved (for example, I expect you

Re: [FFmpeg-user] Question about rendering and photo dimensions.

2018-11-02 8:34 GMT+01:00, Hwaen Ch'uqi : > I do not include console output here, because after more than > an hour of the machine churning away and finally interrupting > the process, the console output had amassed to over 70MB! Then please post the first 100 lines, "interrupt" with pressing

Re: [FFmpeg-user] Optimization

2018-11-02 3:47 GMT+01:00, Marcus Lim : > The issue though still stands, and I did a fresh clone from git, and built > from source as per https://trac.ffmpeg.org/wiki/CompilationGuide/macOS. Which issue? >> ./../FFmpeg/ffmpeg -r 1/4 -i IMG_%3d.jpg out.mp4 You want to set an output frame rate

Re: [FFmpeg-user] Optimization

2018-11-02 0:05 GMT+01:00, Marcus Lim : > Thanks for all the suggestions, > So after some reading, the img2 demuxer won't work since the images I have > are all of different sizes, and according to the documentation it says that > they need to be of the same size (still tried it, but the images

Re: [FFmpeg-user] Optimization

2018-11-01 21:36 GMT+01:00, Paul B Mahol : > On 11/1/18, Carl Eugen Hoyos wrote: >> 2018-11-01 3:31 GMT+01:00, Marcus Lim : >>> Hey all, >>> New to the list and trying to get my head around ffmpeg a bit still. >>> So I am using ffmpeg to create

Re: [FFmpeg-user] Optimization

2018-11-01 3:31 GMT+01:00, Marcus Lim : > Hey all, > New to the list and trying to get my head around ffmpeg a bit still. > So I am using ffmpeg to create slideshows out of individual images, with an > audio backing track (usually mp3), and then encoding as MP4 (video is h264 > and audio is acc),

Re: [FFmpeg-user] frame rate:24 or 24000/1001 for native movies

2018-11-01 1:13 GMT+01:00, Phil Rhodes : > Salient information: > It would be unusual for an NTSC-oriented DVD containing a feature film to > have anything other than either 23.976 or 24fps material on it. While - as so often - this is plain wrong depending on the definition of "unusual" - the

Re: [FFmpeg-user] frame rate:24 or 24000/1001 for native movies

2018-10-31 23:27 GMT+01:00, sean darcy : > I've got a bunch of soft-telecined dvds. I'm trying to get them > back to native format, 24fps. Note that players should simply ignore the soft-telecine assuming you are not using an old american tv set. > ffmpeg -i input.vob -r [??] output.mp4 The

Re: [FFmpeg-user] Storing scan-type/interlaced in MXF?

2018-10-31 19:34 GMT+01:00, Peter B. : > The relevant SMPTE standards committee made a revision, published in > 2014. Members of the committee–and this is perfectly normal–included > stakeholders from companies that had already invested in one or another > wrapping method. Thus the final 2014

Re: [FFmpeg-user] Storing scan-type/interlaced in MXF?

2018-10-31 13:11 GMT+01:00, Peter B. : > $ ffmpeg-git -f lavfi -i testsrc=size=720x576:rate=3/1001 -c:v > libopenjpeg -pix_fmt yuv422p10le -t 1 -an -top 1 delme.mxf From a quick look, interlaced mxf is only supported for selected codecs (that support interlaced encoding), not for j2k. Are

Re: [FFmpeg-user] Question about rendering and photo dimensions.

2018-10-30 3:41 GMT+01:00, Hwaen Ch'uqi : > I am a newbie to ffmpeg and am quite impressed at the program's > capabilities. For the moment, I am simply combining an audio file with > a single still image to create an mp4 file. I am using this command: > > ffmpeg -loop 1 -i FILE.jpg -i FILE.mp3

Re: [FFmpeg-user] Problems with concat demuxer

2018-10-31 11:53 GMT+01:00, Gabriele Greco : > I have some problems with concat demuxer when the input files has audio > encoded as "pcm_bluray", the output file ends up with a "bin_data" stream > that ffmpeg itself does not recognise. The fact that FFmpeg is unable to write bluray streams is

Re: [FFmpeg-user] How to concatenate multiple ts files into one fmp4 file

2018-10-29 17:25 GMT+01:00, qw : > I have one question about fragmented mp4. > > There are many ts files with different a/v encoding setting. I want to > concatenate those ts files together into one fmp4 file without > retranscoding. What's wrong with concatenating them into one ts file? Or are

Re: [FFmpeg-user] Decoding adpcm_psx

2018-10-28 0:47 GMT+02:00, Markus Laaja : > Oh my. Almost bitwise identical file with the one I converted using PSound. > Could you do the conversion with FFmpeg or VGMstream and if so, how did > you do it? I don't even know what VGMstream is, I forced the codec and block_align in a random

Re: [FFmpeg-user] Decoding adpcm_psx

2018-10-27 17:14 GMT+02:00, Markus Laaja : > Excuse me for attaching the file directly. > Successful conversion should yield 21840 samples in 22khz, mono. Is it supposed to be (similar to) the attached file? Can you tell us anything about the file? It looks hard to auto-detect, where does it

Re: [FFmpeg-user] Decoding adpcm_psx

> Am 26.10.2018 um 21:12 schrieb Markus Laaja : > > Greetings. > In short, I'm running into constant input errors when trying to decode from > different adpcm formats. > Compiling ffmpeg on a linux environment to see if it helps, is way beyond my > reach just to solve this, unfortunately. >

Re: [FFmpeg-user] YUV RGB Video Levels

2018-10-22 23:54 GMT+02:00, Chris : > I have a strange question. > > I have a YUV video file which must pass EBU r103. The RGB > components must be above 0 and less than 255. (I probably misunderstand but I would have assumed that it is technically impossible to output values that are not within

Re: [FFmpeg-user] Trying to use for first time- logging out automatically

> Am 20.10.2018 um 03:49 schrieb Randy Carrier <1...@mail.com>: > > > Hello, > I'm trying to use this for the first time, but it appears that the prog > automatically closes out. No. > I pasted the console text below- any help is appreciated! > Rs-iMac:~ rc$ /Users/rc/Desktop/ffmpeg ;

Re: [FFmpeg-user] Closed Captions in EIA-607 are broken

2018-10-19 22:52 GMT+02:00, W Boba : > "ffmpeg.exe -y -v 99 -loglevel 99 -i sample-1min.ts -c:a aac > -c:v libx264 sample-1min.mp4" Complete, uncut console output missing, a sample might be needed. Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Concat Resulting in Delayed Audio

2018-10-17 21:51 GMT+02:00, VP Lists : > The command lines are there. Just being curious: Where? > “Other approaches likely exist”. I’d likely know what the approaches are, > which is what I’m asking about. These two are the only ones I know, so > that’s where I sit. Sorry if this wasn't

Re: [FFmpeg-user] Performance Tuning for Raspberry Pi

2018-10-17 21:24 GMT+02:00, Bruce Diesel : > The command is: > ffmpeg -f v4l2 -i /dev/video0 -vf > drawtext="fontsize=20:fontfile=FreeSerif.ttf:textfile=/dev/shm/Sensors.txt: > reload=1:x=(w-text_w)/2:y=(h-text_h)/2" test.mpg > > The output is: > ffmpeg version 3.2.10-1~deb9u1+rpt2 Copyright (c)

Re: [FFmpeg-user] Calculation of duplicated video frames in live stream

2018-10-03 21:01 GMT+02:00, Dmitry Menshikov : > I'm trying to detect duplication of video frames in live streams. Such > situation occurs when encoder can't encode stream at specified fps. I see > few frames with the same pkt_size. I know that there is filter to detect > similar frames but such

Re: [FFmpeg-user] How to hls without DTS error

2018-10-17 19:46 GMT+02:00, Hisli Termos : > Input: Multiple mp4 files with different dar,sar values Please provide the command line you tested together with the complete, uncut console output. Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Wrong "profile-level-id" on RTP SDP after transmux from RTMP

2018-10-17 18:09 GMT+02:00, Quentin RENARD : > Hey guys, > > First off I'm using ffmpeg's master branch. > > Here's the workflow I'm doing: > > Input -- (1) --> RTMP -- (2) --> RTP > > Here are my commands: > > 1) ffmpeg -hide_banner -re -f lavfi -i "testsrc2=size=1280x720:rate=25" > -pix_fmt

Re: [FFmpeg-user] Concat Resulting in Delayed Audio

2018-10-06 4:23 GMT+02:00, VP Lists : > Hi folks. I’m performing a multiple-“.mov” concat which is resulting in > delayed audio in the final output .mp4. > > I’m rendering temp MPEG-2 .ts files, then concatenating all of those into a > final MP4 file. > > The final video has a lagging video,

Re: [FFmpeg-user] Concat Dropping Video

2018-10-04 5:50 GMT+02:00, VP Lists : > Hi folks. I’ve created a list of small clips in random order, each with a > unique filename. This file is used for a concat input file. > > In the verbose processing, I get lots of these after a few of the first > files are processed: > > Error while

Re: [FFmpeg-user] Drawtext and Metadata

> Am 17.10.2018 um 16:12 schrieb Grant Griffith : > > I've tested many variation on the metadata flag, but per the recommendation > earlier I've tried this. It will error out and just won't print anything. > > The command I'm attempting... > > ./ffmpeg -i "$1" \ > -vf

Re: [FFmpeg-user] Producing mp4 from gifs for web browser

> Am 17.10.2018 um 16:23 schrieb paweg : > > I'm making mp4 from gif pictures. I want it to play in web browser in html or > some javascript player. When I try to run produced mp4 on VLC player, it > shows only first frame, but video time runs. Until recently, vlc did not line small frame

Re: [FFmpeg-user] Performance Tuning for Raspberry Pi

2018-10-17 12:16 GMT+02:00, Bruce Diesel : > Please forgive my somewhat basic question, but my searching has not yielded > much information that I can easily understand as I don't have much > knowledge in this space. > > I am building a dash cam type application using a Raspberry Pi Zero, some >

Re: [FFmpeg-user] Approach to Fully Lossless Concat

2018-10-17 13:32 GMT+02:00, VP Lists : > I’ve tried two approaches to bring some short clips I’ve created in > QuickTime Player 7, all together in a concat. Both approaches > demonstrated a shift in audio vs video timelines. Command line and complete, uncut console output missing, please

Re: [FFmpeg-user] Installing ffmpeg from source, missing libs

2018-10-17 10:43 GMT+02:00, paweg : > I was looking for a temporary fix. Have to run it on this Fedora for now, > where Ffmpeg was 0.6.1. > I want to produce, on this machine, silent mp4 from gif pictures. Now flv > are being produced. My approach was to get newer ffmpeg version, so I could > use

Re: [FFmpeg-user] Converting to Dialogic VOX format with ffmpeg

2018-10-16 15:39 GMT+02:00, איל חסון : > I know ffmpeg has a vox decoder, but do you know if there is > any way to use ffmpeg to CREATE vox files? Encoding to ADPCM_IMA_OKI is not supported, I guess you could sponsor such a project. Carl Eugen ___

Re: [FFmpeg-user] Roku Blu-Ray Playback: Blue Flickering at Bottom of Screen

2018-10-16 17:58 GMT+02:00, Joshua Blagden : > Hi folks, > > I got into Blu-Rays about six months ago and I've been "digitizing" them > with MakeMKV. > > I have some Doctor Who Blu-Rays from 2011 that are in MPEG-4, but are > interlaced with MBAFF interlacing. Are you sure they are interlaced?

Re: [FFmpeg-user] Drawtext and Metadata

2018-10-16 22:35 GMT+02:00, Grant Griffith : > No luck. "[Parsed_drawtext_3 @ 0x7fd419428000] %{metadata=print} > is not knowned= 0x " Please provide the command line you tested together with the complete, uncut console output. Carl Eugen ___

Re: [FFmpeg-user] Obscure Watermarking with ffmpeg possible?

2018-10-16 8:56 GMT+02:00, Chris von Görstinger : > is it currently possible to watermark a video with obscure > watermarking algorithm in ffmpeg? Assuming you are not requesting a simple overlay: No. > Or is it planed for future to implement such a filter? I suspect most open-source activists

Re: [FFmpeg-user] How to choose pixfmt output for video generator

2018-10-09 22:41 GMT+02:00, Martin Vignali : > Hello, > > I would like to use a generator for testing > Some generator, seems to have several pix fmt supported, but can't find the > way to choose one > > For example allyuv seems to support yuv444p, gbrp > > ./ffmpeg -f lavfi -i

Re: [FFmpeg-user] Απ: Fwd: Απ: How install ffmpeg in the ubuntu 14.04

2018-10-09 13:16 GMT+02:00, Robinson Robinson : > I was installed ffmpeg with this link but i dont can config the ffmpeg to > encoder. My command line with old ffmpeg is > > > command=/usr/local/bin/ffmpeg -probesize 200 -correct_ts_overflow 1 -i > http://ip:port -threads auto -acodec

Re: [FFmpeg-user] duplicate symbol

2018-10-09 16:03 GMT+02:00, 桃源老師 : > $ nm libaom.a | grep get_overlap_area > 8840 T _get_overlap_area > $ nm libvpx.a | grep get_overlap_area > 4dc0 T _get_overlap_area > > $ nm libaom.a | grep tpl_model_update_b > 89d0 T _tpl_model_update_b > $ nm libvpx.a |

Re: [FFmpeg-user] Combining GIF slideshow and sound from MP4

2018-10-05 20:37 GMT+02:00, Markus Klyver : > Hello, I would like to know the syntax for combining a slideshow of multiple > GIF pictures and the sound of a MP4 file. What did you try? What are the properties of the input files? (This would be part of the first answer and is therefore unneeded if

Re: [FFmpeg-user] How to open avfoundation via C

2018-10-09 1:03 GMT+02:00, Jeroen Ooms : > I would like to capture the screen in MacOS. This works via the command > line: > > Command line: ffmpeg -f avfoundation -i "1" -pix_fmt yuv420p -r 25 > -t 5 out.mov > > However I can't figure out how to do this in C. I tried the following, > but it

Re: [FFmpeg-user] How install ffmpeg in the ubuntu 14.04

2018-10-08 15:53 GMT+02:00, Robinson Robinson : > Please i need instructions how install ffmpeg in the > Ubuntu 14.04, if us have any file install.sh still better. If you fail to compile yourself (it is supposed to compile on any typical and a large number of unusual systems out-of-the-box and

Re: [FFmpeg-user] Basic ffmpeg user - issues converting

2018-10-01 0:02 GMT+02:00, Kassim Massop : > Thanks for the response, > > I am unable to share the files as they are HUGE, the smallest segment which > is 2 minutes long is 30GB. Maybe you could share the first 25MB and the last 10 MB and tell us the exact filesize? > I dont have the means to

Re: [FFmpeg-user] Basic ffmpeg user - issues converting

2018-09-30 14:20 GMT+02:00, Kassim Massop : > Yes VLC plays back the original unconverted file without issues. What does it do with the ten-channel audio? (This is not related to the video issue that you saw so far, I just wonder how to read and play ten audio channels.) > In regards to your

Re: [FFmpeg-user] Why are half the frames "duplicate" ?

2018-09-30 17:21 GMT+02:00, sean darcy : > On 9/30/18 10:45 AM, sean darcy wrote: >> On 9/29/18 5:15 PM, Carl Eugen Hoyos wrote: >>> 2018-09-29 22:46 GMT+02:00, sean darcy : >>>> On 9/28/18 7:29 PM, Carl Eugen Hoyos wrote: >>>>> 2018-09-28 20:58 GMT+

Re: [FFmpeg-user] Basic ffmpeg user - issues converting

2018-09-30 10:51 GMT+02:00, Kassim Massop : > Hi there community, > > I have recently discovered ffmpeg and am trying to use it to convert & > compress my raw footage from an Atomos device. > > When using the most basic command (ffmpeg -i source.mov output.mov) I get > the below error in "basic

Re: [FFmpeg-user] Why are half the frames "duplicate" ?

2018-09-29 22:46 GMT+02:00, sean darcy : > On 9/28/18 7:29 PM, Carl Eugen Hoyos wrote: >> 2018-09-28 20:58 GMT+02:00, sean darcy : >> >>> Also, I used ffprobe: >>> >>> ffprobe -show_frames -select_streams v -i in.mpg 2>&1 | grep -c >>

Re: [FFmpeg-user] Playing an uncompressed raw interlaced RTP video stream

2018-09-28 16:38 GMT+02:00, villas...@yahoo.com.au : > On Friday, 28 September 2018, 6:01:08 am AWST, Carl Eugen Hoyos > wrote: > >> Please do, if it works your problem should be solved, >> I fear though that the "bitpacked" codec (the name alone >> makes

Re: [FFmpeg-user] Why are half the frames "duplicate" ?

2018-09-28 20:58 GMT+02:00, sean darcy : > Also, I used ffprobe: > > ffprobe -show_frames -select_streams v -i in.mpg 2>&1 | grep -c > interlaced_frame=1 > 2052 > ffprobe -show_frames -select_streams v -i in.mpg 2>&1 | grep -c > interlaced_frame=0 > 30347 > > This means there are at least some

Re: [FFmpeg-user] Bad Quality Webm video with alpha

2018-09-27 21:27 GMT+02:00, Rafael Mancini : > So, after altering the command line I got a much better result with this: > > *ffmpeg -r 24 -i "input 1920x1080.mov" -c:v libvpx-vp9 -crf 30 -b:v 0 > "output 1920x1080.webm"* > > The quality is a lot better, but still not exactly what I wanted...

Re: [FFmpeg-user] Why are half the frames "duplicate" ?

2018-09-27 4:27 GMT+02:00, sean darcy : > I'm transcoding mpeg2 -> x264. > > Stream #0:0[0x64]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), > yuv420p(tv, progressive), 720x480 [SAR 8:9 DAR 4:3], Closed Captions, > 29.97 fps, 59.94 tbr, 90k tbn, 59.94 tbc > > When I run ffmpeg: > > ffmpeg -i

Re: [FFmpeg-user] Why are half the frames "duplicate" ?

2018-09-27 11:55 GMT+02:00, DopeLabs : > > input: 90k tbn, 59.94 tbc > > output: 30k tbn, 29.97 tbc > > try explicitly specifying the output frame rate > > -c:v h264 -r 29.97 This is definitely not correct, "29.97" is not the right framerate for any common use-case, the framerate for ntsc video

Re: [FFmpeg-user] Questions regarding hevc_videotoolbox encoding

2018-09-27 0:08 GMT+02:00, Nomis101  : > Am 26.09.18 um 21:27 schrieb Carl Eugen Hoyos: >> This is not unexpected. >> >> Feel free to try even higher bit-rates or main10 profile. > > Yes, main10 gives little bit nicer results. It seems to me there is a > bitrate limi

Re: [FFmpeg-user] Bad Quality Webm video with alpha

2018-09-26 23:21 GMT+02:00, Rafael Mancini : > Any ideas on how to get a smaller file without loosing too much quality? Definitely not without the complete, uncut console output. Please find out what "top-posting" means and don't do it here. Carl Eugen

Re: [FFmpeg-user] rtmp re-encode to rtmp stops frequently

2018-09-26 6:37 GMT+02:00, Remo Rayamajhi : > ffmpeg version 3.0.11 Copyright (c) 2000-2018 the FFmpeg developers This is 2,5 years old and definitely unsupported (here). Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Questions regarding hevc_videotoolbox encoding

2018-09-26 21:27 GMT+02:00, Carl Eugen Hoyos : > 2018-09-26 20:23 GMT+02:00, Nomis101  : > >> /$ ffmpeg -i video_in.mkv -acodec copy -vcodec hevc_videotoolbox -b:v >> 6000k -tag:v hvc1 -profile:v main video_out.mp4/ > > Complete, uncut console output missing. Sorry about

Re: [FFmpeg-user] Questions regarding hevc_videotoolbox encoding

2018-09-26 20:23 GMT+02:00, Nomis101  : > /$ ffmpeg -i video_in.mkv -acodec copy -vcodec hevc_videotoolbox -b:v > 6000k -tag:v hvc1 -profile:v main video_out.mp4/ Complete, uncut console output missing. > But the quality is still not comparable with software encoded HEVC. This is not

Re: [FFmpeg-user] Bad Quality Webm video with alpha

2018-09-25 1:14 GMT+02:00, Rafael Mancini : > I'm trying to generate a WebM video with alpha for a HTML5 template. > Already tried different compression settings and I'm still getting poor > quality results for complex videos with lots of animated objects. > > The Input video is made in After

Re: [FFmpeg-user] how to set start time of ts file

2018-09-26 13:45 GMT+02:00, qw : > There are some ts files, whose start time is not zero, and even too large, > such as 1 hour. Or (in a random sample here): 90047.205533 > How to set start time to zero for those ts files? In my test, start time of the output file is (very close to) zero for

Re: [FFmpeg-user] Playing an uncompressed raw interlaced RTP video stream

2018-09-26 14:15 GMT+02:00, villas...@yahoo.com.au : > Hi, > > I am unable to get ffplay to play back a raw uncompressed interlaced > video from an RTP stream, coming from a camera feed. The camera > broadcasts the SDP using SAP, which I have been able to extract into > a local file. The contents

Re: [FFmpeg-user] how to remove useless nalu from video stream

2018-09-26 16:09 GMT+02:00, qw : > If there is one nalu with zero size, and ffmpeg converts ts into mp4 with > the option of -codec copy, then vlc can't play video stream correctly. Is > there any way to remove useless nalu, i.e. its size is 0? Please provide the command line you tested together

Re: [FFmpeg-user] how to transcode interlaced video into interlaced video

> Am 25.09.2018 um 15:59 schrieb qw : > > I have one question about transcoding interlaced video. How to transcode > interlaced video into another interlaced video with different setting? But > input and output video have the same interlaced structure. It mean > transcoding process doesn't

Re: [FFmpeg-user] Regarding FFmpeg (x264/x265 12bit support)

> Am 25.09.2018 um 13:01 schrieb Vishal Thakur : > Q1.) While encoding and decoding 12 bit streams in lossless mode. The > decoded yuv doesn't match with the original input yuv. Command line and complete, uncut console output missing. > Q2.) Does FFmpeg have 12 bit support in lossless mode

Re: [FFmpeg-user] G723.1 conversion to PCM

> Am 25.09.2018 um 02:13 schrieb > : > > For the issue of converting G723.1 to PCM format – please see the below input > and output and advise. I strongly advise to read the message again that I sent yesterday, esp. the last paragraph:

Re: [FFmpeg-user] Problems playing mjpeg stream at different bitrates

2018-09-20 17:30 GMT+02:00, Fabian Kurt : > It's a FirstSensor DC3K-2-EAP This unfortunately doesn't show up in the comment (I hoped the comment would contain the encoder string). There are different ways to fix this, ideally you would be able to find out if the comment for this sensor always has

Re: [FFmpeg-user] G723.1 conversion to PCM

2018-09-24 15:37 GMT+02:00, esikcalabr...@verizon.net : > Which version to you recommend? Only current FFmpeg git head is supported here. > Can you point me with a URL? http://ffmpeg.org/download.html While compilation is in very general terms required, I suggest you try a Zeranoe binary:

Re: [FFmpeg-user] Get bitrate from stream

2018-09-24 13:26 GMT+02:00, Jesper Nilsson : > This results in a bitrate of 33, but i know that the actual and correct > value is 32. Could you provide a sample? If vlc really shows the correct bitrate, this sounds like a bug in FFmpeg. Carl Eugen

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-21 17:25 GMT+02:00, Peter Gusev : > The discussion on StackOverflow > > shed > some light on what's going on and provided one

Re: [FFmpeg-user] mp3 header missing

2018-09-23 11:19 GMT+02:00, Remo Rayamajhi : > [mpegts @ 0x5b24e80] PES packet size mismatchme=00:03:25.66 > bitrate=1033.6kbits/s speed=1.02x > [mp2 @ 0x5b89d80] Header missing > Error while decoding stream #0:1: Invalid data found when processing input > [mpeg2video @ 0x5b8bc00] Invalid mb type

Re: [FFmpeg-user] -c:v png

2018-09-24 11:14 GMT+02:00, Benoit LELOUTRE : > Can you suggest me a lossy codec with alpha channel? prores comes to mind (it has several advantages over transparency in vpx) but you should try hard if you cannot reduce the bit-depth of your sample, that may lead to better output. In general:

Re: [FFmpeg-user] AAC mpeg2_aac_low profile and ADTS header question

2018-09-20 12:22 GMT+02:00, Dan Lee : > I’m having some trouble transcoding audio to mpeg2 aac. Could you elaborate a little why it makes sense for FFmpeg to not only support writing mpeg4 aac but also mpeg2 aac? And is it sufficient to change the bit you mention, or are other changes necessary?

Re: [FFmpeg-user] text overlay will not work on rtmp stream

2018-09-20 11:24 GMT+02:00, Anthony Griffiths : > On Thu, Sep 20, 2018 at 9:59 AM, Carl Eugen Hoyos > wrote: >> 2018-09-20 10:46 GMT+02:00, Anthony Griffiths : >> >> The problem was not that you used "-f flv -vcodec libx264" but >> "-f flv -vcodec fl

Re: [FFmpeg-user] text overlay will not work on rtmp stream

2018-09-20 10:46 GMT+02:00, Anthony Griffiths : > dvgrab -format dv1 - | > /home//Downloads/ffmpeg-git-20180920-64bit-static/ffmpeg > -deinterlace -f dv -i - -f flv -y \ > -vf >

Re: [FFmpeg-user] Make Output Files More Digestible / Increase Output Compatibility

2018-06-18 23:07 GMT+02:00, Gabriel Balaich : > When I capture the same quality of footage (3440x1440, 100FPS, 250M > bitrate) with something like OBS the files playback > perfectly fine in every video player I test. And more importantly OBS > output plays back very smooth in Adobe Premiere while

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-19 15:33 GMT+02:00, Peter Gusev : > As a part of figuring out the problem I have with ffplay > , > I noticed, that ffmpeg adds 32 bytes to raw 0rgb

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-19 18:24 GMT+02:00, Peter Gusev : > The issue hasn't changed. Of course not since you are testing a six-months old version. Please test current FFmpeg git head, this may have changed this week. If it still fails, please provide (complete, uncut console output and) an output frame. Carl

Re: [FFmpeg-user] text overlay will not work on rtmp stream

2018-09-19 18:46 GMT+02:00, Anthony Griffiths : > On Wed, Sep 19, 2018 at 5:04 PM, Carl Eugen Hoyos > wrote: >> 2018-09-19 17:08 GMT+02:00, Anthony Griffiths : >>> I stream video from a canopus advc100 device to a vps running nginx >>> using ffmpeg with the followi

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-19 15:33 GMT+02:00, Peter Gusev : > Hi! > > As a part of figuring out the problem I have with ffplay > , > I noticed, that ffmpeg adds 32 bytes to raw

Re: [FFmpeg-user] text overlay will not work on rtmp stream

2018-09-19 17:08 GMT+02:00, Anthony Griffiths : > I stream video from a canopus advc100 device to a vps running nginx > using ffmpeg with the following command: > dvgrab -format dv1 - | > /home//Downloads/ffmpeg-git-20170817-64bit-static/ffmpeg > -deinterlace -f dv -i - \ > -vf >

Re: [FFmpeg-user] Problems playing mjpeg stream at different bitrates

2018-09-19 8:40 GMT+02:00, Fabian Kurt : >> Feel free to check if the size of the COM tags is correct or >> wrong by several magnitudes. > > I'm new to this topic and don't know exactly what a COM marker is > used for and how it should be. Could you please provide me some > links about it and how

Re: [FFmpeg-user] Timestamp for variable frame rate (VFR ) video

2018-09-18 22:25 GMT+02:00, Wolfgang Hugemann : >> Please tell us more about the properties of your actual >> input file to give us a chance to help you. > > I would supply it by link, but I can't: It shows a video taken by a > surveillance camera prior to a vehicular accident, and I am obliged to

Re: [FFmpeg-user] Question about conversion (Transcoding)

2018-09-18 21:26 GMT+02:00, JD : > I am getting the following output from ffmpeg: > seems to indicate some problem with my mpg file!!! Not necessarily: Does the output file work in your dvd player? Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Question about conversion (Transcoding)

2018-09-18 18:50 GMT+02:00, JD : > I have an mpeg2 file which I am trying to convert to a dvd iso. > > I am using dvdauthor to do it. > dvdauthor says the file is not mpeg2 video compatible. > > When I run ffprobe on the file, I get this > > ffprobe /usr/tmp/title_3-09h31m23s.mpg > ffprobe version

Re: [FFmpeg-user] Timestamp for variable frame rate (VFR ) video

2018-09-18 18:34 GMT+02:00, Wolfgang Hugemann : > ffmpeg -y -vsync 2 -i "concat:25.avi|50.avi" test.mp4 This produces an invalid file as FFmpeg does not create fully compliant vfr mp4 files (that is at least what Baptiste, the author of the relevant code, claims). Please tell us more about the

Re: [FFmpeg-user] Timestamp for variable frame rate (VFR ) video

2018-09-17 15:19 GMT+02:00, Wolfgang Hugemann : > ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers (Apart from testing current FFmpeg) Please provide ffmpeg -i output for the stream you want to analyze. Carl Eugen ___ ffmpeg-user

<    9   10   11   12   13   14   15   16   17   18   >