[FFmpeg-user] Glitch when concat'ing two .MTS files using concat filter

2018-08-14 Thread Joshua Grauman
Hi all, My camera automatically splits up video files at the 2 GB mark like I think many cameras do. I use ffmpeg to combine them back using the concat filter, which works, but there is a glitch for a fraction of a second right at the break between the two files in the resultant output (in bot

Re: [FFmpeg-user] video fps filter problem

2018-08-14 Thread Carl Eugen Hoyos
> Am 14.08.2018 um 11:42 schrieb 홍석진 : > > ​Hi. > ​ > I have something to discuss with you about vf_fps.c in FFmpeg 4. > ​ > When I tried to encode a video which has only one video frame, a encoded > video (result) had no video stream. > I used video fps filter to adjust fps from 25 to 12 (ffmp

[FFmpeg-user] Audio ducking of input music based on vocals in another audio file

2018-08-14 Thread Will Lewis
Hi, I'm looking for a way to take an music audio file and automate the ducking on its volume level based on vocals in a separate audio file. The output should just be the music audio with volume reduced in response to that input. I believe this is similar to side channel audio compression. Is thi

[FFmpeg-user] H264 RTP extraction from pcap

2018-08-14 Thread Vittalprasad
Hi Please share a command to extract H264 RTP contents from pcap(i .e network capture) -- Thanks & Regards vittal ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or e

[FFmpeg-user] video fps filter problem

2018-08-14 Thread 홍석진
​Hi. ​ I have something to discuss with you about vf_fps.c in FFmpeg 4. ​ When I tried to encode a video which has only one video frame, a encoded video (result) had no video stream. I used video fps filter to adjust fps from 25 to 12 (ffmpeg argument fps=fps=12.00). ​ I know that vf_fps.