Re: [FFmpeg-user] Help with creating MP4 video with multiple audio tracks

Hi Nicolas, Of course! Thank you very much, it works now. Cheers, Chiara - Chiara Rendeková Marketing Assistant +421 911 437 039 chiara.rendek...@foliovision.com Foliovision s.r.o. | Strelecká 2 - 81101 Bratislava - Slovakia > Dňa 18. 1. 2021 o 8:41, Nicolas George napísal: > > Chiara

Re: [FFmpeg-user] Help with creating MP4 video with multiple audio tracks

Chiara via ffmpeg-user (12021-01-18): > I’m new to this, so I apologize if I’m missing something trivial. I > need to create an .mp4 video output with multiple audio tracks in it. > I run the command: > > ffmpeg -i sample-mp4-file.mp4 -i hindi.aac -i tamil.aac -i telugu.aac > -map 1 -map 2 -map 3

[FFmpeg-user] Help with creating MP4 video with multiple audio tracks

Hello, I’m new to this, so I apologize if I’m missing something trivial. I need to create an .mp4 video output with multiple audio tracks in it. I run the command: ffmpeg -i sample-mp4-file.mp4 -i hindi.aac -i tamil.aac -i telugu.aac -map 1 -map 2 -map 3 -metadata:s:a:0 language=eng

Re: [FFmpeg-user] Decklink input extra filter inserted

I think this may be the reason (and I may be wrong)- [2021-01-15T10:32:56.818] [auto_scaler_0 @ 0x5654058cefc0] w:1920 h:1080 fmt:uyvy422 sar:0/1 -> w:1920 h:1080 fmt:yuv444p sar:0/1 If the decklink is emitting uyvy422- Stream #0:1, 2, 1/100: Video: rawvideo, 1 reference frame (UYVY /

[FFmpeg-user] Determine when h.264 TS/UDP frame rate has changed in C/C++

I'm decoding an h.264 video as TS over UDP from a Haivision encoder. When I change the video output from the camera from one resolution (like 720p) to something else (say 1080p) I can see a change in the video context or the parser structures that indicate the new video resolution. However when I

Re: [FFmpeg-user] Trouble merging gtts/ffmpeg created mp3 files

A solution was posted on the Superuser forum. I'm good. On Sun, Jan 17, 2021 at 5:43 PM Sol Lederman wrote: > I'd appreciate help with this problem I'm having that I've posted here: > https://superuser.com/questions/1618433/trouble-merging-gtts-ffmpeg-created-mp3-files/ > > Thanks very much. >

Re: [FFmpeg-user] Decklink input extra filter inserted

The filter "auto_scaler_0" according to the following logs fragment: [2021-01-15T10:32:56.817] [auto_scaler_0 @ 0x5654058cefc0] Setting 'flags' to value 'bicubic' [2021-01-15T10:32:56.817] [auto_scaler_0 @ 0x5654058cefc0] w:iw h:ih flags:'bicubic' interl:0 [2021-01-15T10:32:56.817]

[FFmpeg-user] Trouble merging gtts/ffmpeg created mp3 files

I'd appreciate help with this problem I'm having that I've posted here: https://superuser.com/questions/1618433/trouble-merging-gtts-ffmpeg-created-mp3-files/ Thanks very much. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Use source wallclock (NTP) in RTSP/RTCP streams to setpts for inter-media synchronization

Original Message Subject: Re: [FFmpeg-user] Use source wallclock (NTP) in RTSP/RTCP streams to setpts for inter-media synchronization From: Carl Eugen Hoyos To: FFmpeg user questions Date: 2021-01-18 00:24+0300 Am Sa., 16. Jan. 2021 um 23:49 Uhr schrieb David Gessel :

Re: [FFmpeg-user] Decklink input extra filter inserted

Am Do., 14. Jan. 2021 um 18:43 Uhr schrieb Bartosz Ziemski : > I am trying to save the Decklink input as a video file (applying specified > below filters) and I am wondering why the extra filter is inserted. Which filter? Carl Eugen ___ ffmpeg-user

Re: [FFmpeg-user] Compiling FFMpeg

Am 17.01.21 um 22:39 schrieb Carl Eugen Hoyos: Am Fr., 15. Jan. 2021 um 11:29 Uhr schrieb Reindl Harald : configuration: --prefix=/usr/local --bindir=/usr/local/bin --mandir=/usr/local/man --extra-cflags= Since other people may read this: Generally, extra-*flags should only be used if

Re: [FFmpeg-user] Use source wallclock (NTP) in RTSP/RTCP streams to setpts for inter-media synchronization

Am Sa., 16. Jan. 2021 um 23:49 Uhr schrieb David Gessel : > ffmpeg -max_delay 50 -reorder_queue_size 1 \ > -fflags nobuffer -re -rtsp_transport udp -an -flags low_delay > -strict experimental\ > -fflags nobuffer -re -thread_queue_size 1024 -i >

Re: [FFmpeg-user] Compiling FFMpeg

Am Fr., 15. Jan. 2021 um 11:29 Uhr schrieb Reindl Harald : >configuration: --prefix=/usr/local --bindir=/usr/local/bin > --mandir=/usr/local/man > --extra-cflags= Since other people may read this: Generally, extra-*flags should only be used if really necessary, the configure line in question

Re: [FFmpeg-user] Compiling FFmpeg with Nvidia GPU acceleration

-Original Message- From: ffmpeg-user On Behalf Of Carl Zwanzig Sent: 17 January 2021 21:07 To: ffmpeg-user@ffmpeg.org Subject: Re: [FFmpeg-user] Compiling FFmpeg with Nvidia GPU acceleration Yes, you are right that I don't understand the compilation of software packages. That's why I

Re: [FFmpeg-user] ffmpeg with vulkan and or opencl

Am Sa., 16. Jan. 2021 um 19:13 Uhr schrieb owen s : > > I have installed opencl and vulkan drivers on linux: Linux > 5.8.0-7630-generic #32~1609193707~20.10~781bb80-Ubuntu SMP Tue Jan 5 > 21:29:56 UTC 2 x86_64 x86_64 x86_64 GNU/Linux > > I am using ffmpeg version: > ffmpeg version 4.3.1-4ubuntu1

Re: [FFmpeg-user] iOS AVPlayer won't play audio files from FFMPEG

Am Sa., 16. Jan. 2021 um 18:57 Uhr schrieb Marcus P : > ffmpeg -i "/path/to/audio/track.mp3" -vn -strict -2 -acodec pcm_u8 -f > wav -listen 1 -seekable 1 http://localhost:8090/restream.wav Unrelated: You are not sending valid wav files like this. [...] > Can we solve this by making changes to

Re: [FFmpeg-user] Compiling FFmpeg with Nvidia GPU acceleration

Please fix your email quoting and send plain text to this list. On 1/16/2021 6:47 AM, madderek--- via ffmpeg-user wrote: C:\Windows\System32\nv-codec-headers>make install PREFIX=/usr make: *** No rule to make target `install'. Stop. It really sounds like you are not familiar with the basic

Re: [FFmpeg-user] how do I get rid of ffmpeg.exe that prevents me from deleting a vLC file?

On 1/17/2021 11:04 AM, Catriel Beeri wrote: A VLC file is used to play music/videos. It is a pretty old volunteer effort. Apparently .vlc files are playlists (and identical to m3u files); I'm surprised anyone uses that file extension anymore. Now, however, it seems to be gone. probably

Re: [FFmpeg-user] how do I get rid of ffmpeg.exe that prevents me from deleting a vLC file?

A VLC file is used to play music/videos. It is a pretty old volunteer effort. As for the problem, I did close a process before I sent the request for help. The problem seemed to persist. Now, however, it seems to be gone. Thanks for the quick response. Catriel Beeri On Sun, Jan 17, 2021 at 8:44

Re: [FFmpeg-user] how do I get rid of ffmpeg.exe that prevents me from deleting a vLC file?

you are talking in miracles but given the .exe it's likely some "windows can't delete files with open handles" issue but what is a "vlc file"? just kill all processes which have open the file you want to delete - that's what the taskmanager is for

[FFmpeg-user] how do I get rid of ffmpeg.exe that prevents me from deleting a vLC file?

-- כתריאל בארי פרופסור (אמריטוס), ביה"ס להנדסה ולמדעי המחשב על שם רחל וסלים בנין, האוניברסיטה העברית בירושלים Prof. (Emeritus) Catriel Beeri The Rachel & Selim Benin School of Computer Science and Engineering The Hebrew university of Jerusalem