[FFmpeg-user] How do I open stdin from a filter graph?

0x73cf08003b00] Failed to avformat_open_input '-' [AVFilterGraph @ 0x73cf080012c0] Error processing filtergraph: No such file or directory amovie=-: No such file or directory Neither does using the "pipe:" protocol. I can't find any other way to read

[FFmpeg-user] ffmpeg stuck at "No default whitelist set"

0 channel_layout:'stereo' nb_samples:1024 [lavfi @ 027a34babc80] All info found Input #0, lavfi, from 'anullsrc': Duration: N/A, start: 0.00, bitrate: 705 kb/s Stream #0:0, 1, 1/44100: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s Succes

Re: [FFmpeg-user] ffmpeg stuck at "No default whitelist set"

I get the same result using this command: ffmpeg -rtsp_transport tcp -i rtsp://onvif:bridge@localhost:554/live/41cf4f34-e137-4559-8278-47d912c64c5b rtmp://a.rtmp.youtube.com/live2/xxx -loglevel trace Result: ffmpeg version N-91172-gebf85d3190 Copyright (c) 2000-2018 the FFmpeg developers b

[FFmpeg-user] Audio converting and muxing error/warning messages

pts and put them into the container to avoid those messages? Here are the logs (for first snippet): https://pastebin.com/xWq9U2sN (The message from the pastebin-logs [h264 @ 005037c0] Stream #0: not enough frames to estimate rate; consider increasing probesize I could fix with

Re: [FFmpeg-user] Audio converting and muxing error/warning messages

MP_V2 from mkv with -i. Without success. -Ursprüngliche Nachricht- Von: ffmpeg-user Im Auftrag von Carl Eugen Hoyos Gesendet: Montag, 17. Dezember 2018 15:10 An: FFmpeg user questions Betreff: Re: [FFmpeg-user] Audio converting and muxing error/warning messages 2018-12-17 10:04 GMT+01:00, Fel

Re: [FFmpeg-user] Audio converting and muxing error/warning messages

Thank you. 02:24:29:53 is the correct duration. The timestamp and pts problems are still present. I tried to generate pts with -fflags +genpts. Without success. I tried to generate new timestamps with -vsync drop. Without success. For the frame size is not set problem. I get the frame rate: f

Re: [FFmpeg-user] Audio converting and muxing error/warning messages

> Please provide a command line you tested including complete, > uncut console output. Please have a look further up in this conversation. > Don't use this functionality unless you have a very good reason. My reason is to avoid those messages and generate a clean output. _

Re: [FFmpeg-user] Audio converting and muxing error/warning messages

Nobody has an idea? I tried -fflags +genpts and -r on the raw h264 stream. But that also didn’t work. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-u

Re: [FFmpeg-user] Audio converting and muxing error/warning messages

I finally solved it. I simply take the video-stream directly from one container to the other: ffmpeg -i german_dd_to_alac__english_truehd_to_alac.mkv -map 0:0 -c copy german_dd_to_alac__english_truehd_to_alac.m4v And than do my thing: ffmpeg^ -i german_dd_to_alac__english_truehd_to_alac.m4v -i

[FFmpeg-user] ffmpeg reads cfr as vfr

8 and force framerate with -r. But that don't work. When I try to mux the raw h264 stream (ffmpeg -r 24000/1001 -i video.264 -c copy test.mp4) I get this message: "pts has no value time=00:02:38.19 bitrate=1312.4kbits/s speed= 154x" many times. Can you help me? Best regards, Felix

Re: [FFmpeg-user] ffmpeg reads cfr as vfr

Thank you for your answer. I appended the command line and console output in my first mail. Please scroll down. The raw videostream is a cfr stream. Every frame has a duration of 1/(24000/1001). So there are no timestamps or anything like that. I don’t understand the error message. ___

[FFmpeg-user] ffmpeg don't writes metadata in file (but shows it correctly)

I really don't understand this. For the first command the metadata (handler, language) is stored correctly. The second keeps the metadata from temp.mkv. What am I doing wrong? Works: ffmpeg^ -i video.h264 -i audio1.dts -i audio2.dts -i sbtl1.srt -i sbtl2.srt^ -map 0:0 -map 1:0 -ma

Re: [FFmpeg-user] ffmpeg don't writes metadata in file (but shows it correctly)

Oh man. Your request forcing me to redo the "working" command. And I realized it also didn't work! I thought it would work because I do it many times before so don't tested it. But ... I updated from v4.0.3 to v4.1. With v4.0.3 everything works fine! And I was searching for many hours. I can

Re: [FFmpeg-user] ffmpeg don't writes metadata in file (but shows it correctly)

That works! Thank you. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

[FFmpeg-user] Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong

Hello, I'm trying to convert Dolby TrueHD embedded in mkv container to alac and mux it into mp4(m4v)-container. I get the following message: [out_0_0 @ 0045a0c0] 100 buffers queued in out_0_0, something may be wrong. This can be replicated using one of those Dolby Trailers: https://thedig

Re: [FFmpeg-user] Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong

Additional Information: The message occurs with every output (alac, flac, wav, ...). I don't understand the message. Can you tell me what it means? And something must be wrong or not? I only have the problem with Dolby TrueHD. DTS-HD MA, DTS-HD HR, DD, DD+ and so on are all working fine. __

Re: [FFmpeg-user] Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong

Thank you. I opened issue #7703. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong

According to the answer by Hendrik. This message is never related to harm the output? Just to make that clear. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email

Re: [FFmpeg-user] Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong

All right. So I‘ll ignore the message in the future. Maybe it should be hidden to not confuse the user. Best Felix ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or

[FFmpeg-user] DTS-HD MA decoding error

Hello, I'm trying to convert DTS-HD Master Audio track embedded in mkv container to alac and mux it into mp4(m4v)-container. After the half I get the following messages: [dca @ 02a7bb80] Failed to decode block code(s) Error while decoding stream #0:1: Invalid data found when processing inp

Re: [FFmpeg-user] DTS-HD MA decoding error

I created the sample file: ffmpeg -ss 01:26:00 -i input.mkv -t 00:02:00 -map 0:1 -c copy output.mkv The problem can easily be reproduced and occurs exactly at the chapter mark. https://ufile.io/g1l40 ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] DTS-HD MA decoding error

The file isn't broken. It was accurately ripped from an official medium. It is a special edition from a movie which regular duration is 01:27:12. The extended duration is almost 3 hours. So could it be that the audio stream from the regular movie has a DTS Core and the audio stream from the exte

Re: [FFmpeg-user] DTS-HD MA decoding error

I did this: ffmpeg -i input.mkv -map 0:1 -c copy -f rawvideo out1.dts clean log mkvextract tracks input.mkv 1:out2.dts also no errors or warnings out1.dts and out2.dts are bit-identical. Then I tried to convert the raw dts-stream: ffmpeg -i out1.dts -c:a alac alac.m4a ffmpeg version N-93069-g6

Re: [FFmpeg-user] DTS-HD MA decoding error

After the error video and audio are a bit asynchronous. I'll create a new rip and do further testing. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-us

Re: [FFmpeg-user] DTS-HD MA decoding error

Sorry, this was a problem of the ripping software I used. No problem anymore. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org wi

[FFmpeg-user] Save webcam stream in mpg, not avi format

Hi everyone! I’m new to FFMPEG and look for help with saving video stream from a webcam in .mpg format. What I have is a working code that will save the video stream in .avi format in 1 hour junks: ffmpeg -r 20 -f dshow -s 960x544 -i video="Microsoft LifeCam HD-5000" -codec copy -f segment -se

Re: [FFmpeg-user] Save webcam stream in mpg, not avi format

Thanks a lot for your reply! >> …but I’m having trouble saving in .mpg format. The reason >> why I would like to save in .mpg format is that > >> (1) .avi files are very large > > This is wrong and indicates that you don't know what you > are talking about. This is generally no problem (that'

Re: [FFmpeg-user] Save webcam stream in mpg, not avi format

> >> Thus, is it possible to save in avi format, but use >> a different codec that will generate smaller files? > > Yes, try "-vcodec mpeg4 -qscale 2" or > "-vcodec mpeg1video -mbd 2 -qscale 2" or use h264. > > Carl Eugen “-vcodec mpeg4 -qscale 2” reduces the file size by a factor of 50 and

Re: [FFmpeg-user] Save webcam stream in mpg, not avi format

2 -f segment -segment_time 3600 -reset_timestamps 1 -segment_start_number 1 -segment_format avi -r 25 c:\Users\Desktop\out%%03d.avi Any idea what might be going on? Leo > On Aug 5, 2015, at 11:24 AM, Felix Baier wrote: > > >> >>> Thus, is it possible to save

Re: [FFmpeg-user] Save webcam stream in mpg, not avi format

> On Aug 28, 2015, at 12:10 PM, Carl Eugen Hoyos wrote: > > Felix Baier ffmpeg.org> writes: > >> I changed “-vcodec mpeg4 -qscale 2” to “-vcodec mpeg4 -q:v 2” >> after I got a notification that the first version was >> ambiguous. > > For

[FFmpeg-user] How to change recording datetime of WAV files

My audio recorder was in a different time zone, plus there was an inaccuracy of a few minutes: $ ffprobe -v quiet -print_format flat -show_format "ZOOM0004.WAV" […] format.tags.date="2021-09-13" format.tags.creation_time="19:21:33" […] This needs to be adjusted by adding 7:56,

Re: [FFmpeg-user] How to change recording datetime of WAV files

I tried now to change the creation time, but this actually removes it: $ ffprobe ZOOM0004.WAV […] Metadata: encoded_by : ZOOM Field Recorder F1 date: 2021-09-13 creation_time : 19:21:33 time_reference : 3345264000 coding_his

Re: [FFmpeg-user] How to change recording datetime of WAV files

Bouke writes: > why would you want to change the creation time if you have a bwf > timestamp? Because I wasn’t aware. Thanks for pointing that out. Maybe I best use [BWF MetaEdit][1] for that? [1]: https://mediaarea.net/BWFMetaEdit ___ ffmpeg-user m

[FFmpeg-user] Switching live streams without interruption?

I'm streaming to Wowza: $ ffmpeg -re -i sintel_trailer-480p.mp4 -c copy -f flv \ rtmp://192.168.56.1/live/myStream *How do I switch to another stream once playback has finished?* Note that when playback of the first stream starts, it is not clear what will be the next stream. So somethin

[FFmpeg-user] Streaming a single image?

Say, I have a TV channel and, at night time, I want to broadcast a [test pattern][1], then: *How do I approach that? Should I convert the image into a video and loop that? How?* It's just a JPEG image. No sound needs to be streamed. [2]: http://de.wikipedia.org/wiki/Testbild#mediaviewer/File:FuB

Re: [FFmpeg-user] Switching live streams without interruption?

> http://www.wowza.com/... Thanks for the links, but: *Can't I do that from ffmpeg?* Thing is, I want to script switching of streams, and I want to have the option to later use another server for broadcasting. ___ ffmpeg-user mailing list ffmpeg-user@ff

Re: [FFmpeg-user] Streaming a single image?

On Sat, Oct 25, 2014 at 8:56 PM, DopeLabs wrote: > ffmpeg -i http://shoutcasthost.com:8000 -re -loop 1 -i > /path/to/image.jpg -c:a libfdk_aac -b:a 192k -c:v h264 -preset > ultrafast -pix_fmt yuvj420p -bsf h264_mp4toannexb -f mpegts > udp://127.0.0.1:1?pkt_size=1316 Thanks! I modified that a

Re: [FFmpeg-user] Switching live streams without interruption?

Thanks Luke! Hm, I thought it was standard feature. But being not, I guess I'll first look at Wowza which seems to be scriptable with ActionScript. Fortunately, I've used ActionScript before: Many years ago, I wrote a streaming video player, based on AMS. Anyhow, there must be a smooth solution.

Re: [FFmpeg-user] Switching live streams without interruption?

I’ve been thinking: For gapless playback, it’s probably best to have two video streams running, and then switch between these with some kind of mixer. As I’ve just found out, software implementations of mixers for video are called [Software vision mixers][1]. [1]: http://en.wikipedia.org/wiki/Soft

Re: [FFmpeg-user] Streaming a single image?

On Sun, Oct 26, 2014 at 3:00 PM, Carl Eugen Hoyos wrote: > "-re" should be unneeded, "-bsf aac_adtstoasc" makes no sense if there > is no audio input. Thanks! I’m just getting started, currently investigating what setup I need. ___ ffmpeg-user mailing l

Re: [FFmpeg-user] Switching live streams without interruption?

In the meantime I discovered [FreeJ][1], which should be able to do what I want. However, it's limited to Ogg Theora, so would require live reencoding before sending the stream to the broadcasting software. Also, I asked on one of the GStreamer mailing lists if that tool could be a solution. There

[FFmpeg-user] concat output defect

0:0 (copy) Press [q] to stop, [?] for help [matroska,webm @ 023c9800] Auto-inserting h264_mp4toannexb bitstream filter video:29430401kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.013187% Part1: General Complete name : C:\Us

Re: [FFmpeg-user] concat output defect

Concat filter is unfortunately not possible. I cannot lossy reencode the stream. Is there another solution? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ff

[FFmpeg-user] trimmed audio has wrong duration

head: 0.001046% I also tried -t as an input option. Same problem. Best Felix ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] trimmed audio has wrong duration

> What is the point of doing this calculation? I need to trim 1.001 seconds > It’s probably because flac is mostly a stream format, and you’re doing a > stream copy. Re-encoding should fix all of this, it’s relatively inexpensive, > > and it’s lossless after all, but if you really don’t want thi

[FFmpeg-user] Audio duration difference

eaders:0kB muxing overhead: unknown à 01:33:00.70 = 5580.7 seconds Why is there a difference of 0.166708 seconds? Best Felix ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe,

Re: [FFmpeg-user] Audio duration difference

Now I'm confused From my calculation: Audio length: 5580.7 seconds Video length: 133799/(24000/1001) = 5580.533292 seconds From the container: Audio length: 5580.704 --> that is what ffmpeg tell me when I reencode the stream Video length: 5580.575 --> Adobe Premiere Pro showed me 133799 frames,

Re: [FFmpeg-user] trimmed audio has wrong duration

To calculate by reencode is enough for me. But is it possible to get a thousandth of a second? 0.00 is not precise enough for me. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit l

[FFmpeg-user] Where to cut audio by video frame?

(5177/(24000/1001))-(2928/(24000/1001)) -codec flac audio_cut.flac ffmpeg.exe -i audio.flac -ss 122.122 -t 93.80204167 -codec flac audio_cut.flac And from the documentation I should use -ss as an output option to be accurate. But what is with -t? As input or output? Best

Re: [FFmpeg-user] trimmed audio has wrong duration

I use -ss and not -t. But thanks for the info. I can bypass the problem with -codec flac. Then it is accurate. But it is strange anyway: _ffmpeg.exe -i _audio.flac -t 10 -codec copy _audio_2.flac —> it shows me 9.98 _ffmpeg.exe -i audio_2.flac -f null - —> but encode is 10.08 _ffmpeg.exe -i _au

Re: [FFmpeg-user] Where to cut audio by video frame?

So what is the accurate way to cut audio by video frame? I tried filters. But they don‘t seem to be accurate for audio. https://superuser.com/questions/866144/cutting-videos-at-exact-frames-with-ffmpeg-select-filter So is the only way is to use -ss and -to and hope that timestamps are correct?

Re: [FFmpeg-user] Where to cut audio by video frame?

Audio and video stream have the same start_time ffprobe -show_entries stream=codec_type,start_time -v 0 -of compact=p=1:nk=0 THE_GIRL_WITH_THE_DRAGON_TATTOO.Title1.mkv stream|codec_type=video|start_time=0.00 stream|codec_type=audio|start_time=0.00 So is this the best way to cut frame 29

[FFmpeg-user] Where is the fault in my dub?

I want to make my own dub of a movie: I check which frames are identical with Adobe Premiere Pro. The UNCUT-movie has 133799 frames in Premiere but mkv-container shows 133800. So I add one frame for ffmpeg commands (+1). Now these are the scenes I want to insert/replace (starting with UNCUT-movie)

[FFmpeg-user] ALAC only 6 channels

annels but ffmpeg does with ALAC? Best Felix ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] ALAC only 6 channels

Thank you for your fast reply. I replaced -ac 8 with -filter:a "aformat=channel_layouts=7.1(wide)". ffmpeg -i test.mkv -map 0:0 -map 0:1 -c:v copy -c:a alac -filter:a "aformat=channel_layouts=7.1(wide)" test.m4v ffmpeg version git-2019-12-06-b66a800 Copyright (c) 2000-2019 the FFmpeg developers

Re: [FFmpeg-user] ALAC only 6 channels

That works. Thank you. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".