[FFmpeg-user] Subtitle metadata not intercompatible by ffprobe

2022-06-09 Thread Robin van der Linden via ffmpeg-user
Hello. I'm using ffprobe to import video information into my database using python. In general, this process is working fine but if I set a subtitle forced or SDH using "Subler" (https://subler.org/) I'm not able to later on check with ffprobe if a subtitle is set as SDH or is forced. No

Re: [FFmpeg-user] Hardening ffmpeg stream download?

2022-06-09 Thread Bo Berglund
On Thu, 9 Jun 2022 19:00:39 +, Carl Zwanzig wrote: >On 6/9/2022 10:25 AM, Bo Berglund wrote: >> Is there some way to let ffmpeg write the mpeg or ts stream to disk and then >> immediately feed it to itself as an input to create the mp4? > >The "keep it simple" principle applies- > >Unless

Re: [FFmpeg-user] Hardening ffmpeg stream download?

2022-06-09 Thread Carl Zwanzig
On 6/9/2022 10:25 AM, Bo Berglund wrote: Is there some way to let ffmpeg write the mpeg or ts stream to disk and then immediately feed it to itself as an input to create the mp4? The "keep it simple" principle applies- Unless disk space is a big issue and you need the output immediately after

Re: [FFmpeg-user] Hardening ffmpeg stream download?

2022-06-09 Thread Bo Berglund
On Thu, 9 Jun 2022 16:26:44 +, Carl Zwanzig wrote: >On 6/9/2022 9:16 AM, Bo Berglund wrote: >> Or if it is impossible given the output file format, is there some other >> format >> that can be used to harden the download? > >mp4 files must be "finalized" so aren't a good choice for an

Re: [FFmpeg-user] Hardening ffmpeg stream download?

2022-06-09 Thread Carl Zwanzig
On 6/9/2022 9:16 AM, Bo Berglund wrote: Or if it is impossible given the output file format, is there some other format that can be used to harden the download? mp4 files must be "finalized" so aren't a good choice for an application which might be interrupted. If the download is an mpeg

Re: [FFmpeg-user] Hardening ffmpeg stream download?

2022-06-09 Thread Toralf Richter
Hello Bo, I'm thinking as I read your question if it would actually be better to use a different transport format. For streaming over the Internet, I use Haivision's SRT protocol. It is integrated in ffmpeg since some time. I don't know if it's suitable for your purposes, it's just an idea. Best

[FFmpeg-user] Hardening ffmpeg stream download?

2022-06-09 Thread Bo Berglund
I have a question regarding how to "harden" my video stream downloads so they do not get corrupted if a glitch occurs, like Internet loss or something else. As it is now my streams download fine if all is working OK but when a glitch occurs the download stops and the video file on disk becomes

[FFmpeg-user] Issue to modify Metadata from mp4 files

2022-06-09 Thread Ricardo Guedes Tatagiba
Hello, good morning all I have a code that in theory allows the Hash and metadata of bulk videos to be modified. I used all the videos in .mp4 and despite being a programming layman I followed all the Python installation steps. I also tested it on two different Windows computers, both win10.

Re: [FFmpeg-user] h264_v4l2m2m not working properly

2022-06-09 Thread Adam Nielsen via ffmpeg-user
> I am trying to use h264_v4l2m2m on a Raspberry pi 4B to do M2TS to H264 > hardware encoding, but it is not working properly. The log is below. > http://0x0.st/oMOa.txt > > If I don't use hardware encoding or if the source is not m2ts (tested with > mpeg-1 to h264(v4l2m2m)) I can encode. It