[FFmpeg-user] Copy GOP structure

2015-10-07 Thread Reuben Martin
Is there any way to transcode an h264 stream, but retain the frame type and GOP structure of the origional? Preferably in real time with a live stream without haveing to dump the frame data to a file or some other type or pre-pass analysis. ___

Re: [FFmpeg-user] Samsung video files

2015-10-07 Thread Carl Eugen Hoyos
Lou lrcd.com> writes: > > Is it possible to use ffmpeg to convert video files > > from a Samsung PVR CCTV system to something that > > Audacity can read? The system encodes the > > video across multiple files (.bu .db2 .eve .sec) > > Please provide sample files if possible. Yes, please!

Re: [FFmpeg-user] How do I concat MP4 without losing audio sync?

2015-10-07 Thread Mahesh Patade
Hey Peter, I have written small script to calculate length for each part, split video into defined number(TOTALPARTS variable in script) of parts and concat them. I am doing this to achieve Distributed Video Transcoding . #!/bin/bash

Re: [FFmpeg-user] Samsung video files

2015-10-07 Thread Gemma Cockcroft
Ok so call me stupid.. how should I provide them? just as email attachment? On 07/10/2015 08:30, Carl Eugen Hoyos wrote: Lou lrcd.com> writes: Is it possible to use ffmpeg to convert video files from a Samsung PVR CCTV system to something that Audacity can read? The system encodes the video

Re: [FFmpeg-user] Frame accurate cropping

2015-10-07 Thread Tobias Rapp
On 06.10.2015 11:12, Soner CAN wrote: [...] What I want to do is setting the videos duration to EXACTLY 00:00:30.00. I tried this: ffmpeg -i 7347-9\ kliksa.mp4 -c copy -ss 00:00:00.000 -to 30.000 test.mp4 But I still have a duration of 00:00:30.02. Here is ffprobe output: ffprobe

[FFmpeg-user] Export Subtitles live from HD-SDI

2015-10-07 Thread florian . hesse
Hello everyone, i'm working on a project where we want to livestream one TV-Program with MPEG-DASH. There for we need seperate subtitles. The encoder gets the signal over HD-SDI wich supports embedded subtitles in Teletext with SMPTE 2031. Our capturecard will be a Blackmagic Decklink Duo wich

Re: [FFmpeg-user] Extract images from concatenate .VOB

2015-10-07 Thread Etienne Desautels
Hi, I'm still trying to extract frames accurately from DVD using dvd2concat to produce a concat text file and seek option before the input, so extraction is fast. I realized that my previous tests were done with an old version of FFmpeg. That was a mistake. I redone my tests with version 2.8

[FFmpeg-user] Fragmented MP4 with non-fixed frame rate

2015-10-07 Thread Gal Bar Mashiah
I'm creating a fragmented MP4 for the use of playing in Media Source Extensions. The command line is: ffmpeg.exe -probesize 1000 -r 10 -i - -vcodec copy -an -f mp4 -reset_timestamps 0 -blocksize 3 -movflags empty_moov+default_base_moof+frag_keyframe -loglevel debug - The source of the

Re: [FFmpeg-user] Export Subtitles live from HD-SDI

2015-10-07 Thread Deron
On 10/7/15 7:05 AM, florian.he...@rbb-online.de wrote: Hello everyone, i'm working on a project where we want to livestream one TV-Program with MPEG-DASH. There for we need seperate subtitles. The encoder gets the signal over HD-SDI wich supports embedded subtitles in Teletext with SMPTE 2031.