Re: [FFmpeg-user] Does "cat" degrade video quality?

2022-12-02 Thread Dan Harkless
On 12/2/2022 11:17 AM, MyCraigs List via ffmpeg-user wrote: Dan, Thanks for the reply.  They are family videos some of which were made with a (I think) "tape eating" Panasonic and then later a Sony mini-DV tape video camera(s).  Now I use a Sony video camera that records in MTS to an sd

Re: [FFmpeg-user] Does "cat" degrade video quality?

2022-12-02 Thread MyCraigs List via ffmpeg-user
Dan, Thanks for the reply.  They are family videos some of which were made with a (I think) "tape eating" Panasonic and then later a Sony mini-DV tape video camera(s).  Now I use a Sony video camera that records in MTS to an sd chip.  I think the tape cameras produced AVI files (I think...but

Re: [FFmpeg-user] Does "cat" degrade video quality?

2022-12-02 Thread Dan Harkless
On 12/2/2022 4:36 AM, MyCraigs List via ffmpeg-user wrote: I'm running Debian 11. I use the command line "cat" to concatenate videos of all the same quality together.  All VOB files are cat'd together and none others.  The second bunch of videos I cat together are from a Sony video camera and

Re: [FFmpeg-user] ffmpeg finds errors in AC3 but VLC player plays it without problems

2022-12-02 Thread Carl Eugen Hoyos
Am Fr., 2. Dez. 2022 um 13:08 Uhr schrieb Mahesh Velankar : > > (removed unwanted part from output) Never do that if you ask for support here. What is needed is the command line that allows to reproduce the issue together with its complete, uncut console output. ffprobe typically cannot be a

[FFmpeg-user] Does "cat" degrade video quality?

2022-12-02 Thread MyCraigs List via ffmpeg-user
I'm running Debian 11. I use the command line "cat" to concatenate videos of all the same quality together.  All VOB files are cat'd together and none others.  The second bunch of videos I cat together are from a Sony video camera and are "MTS" files.  That's to say I do not cat VOB and MTS

[FFmpeg-user] ffmpeg finds errors in AC3 but VLC player plays it without problems

2022-12-02 Thread Mahesh Velankar
I have got a mpeg TS with following composition Input #0, mpegts, from 'f-15719-ccrslc_received_1669838970.ts': Duration: 00:04:57.67, start: 39582.509200, bitrate: 2528 kb/s Program 3 Stream #0:0[0x31]: Video: h264 (Main), 1 reference frame ([27][0][0][0] / 0x001B), yuv420p(tv, bt709,

[FFmpeg-user] MPEG OPTION CONFIGURATION

2022-12-02 Thread Cédric Cochennec
Hi all I am trying to understand and set things up for mpeg streams options in ffmpeg. Let's do this with mpeg1video codec in mpg container. I peaked up this command line in ffmpeg documentation wich work perfectly well : -f vcd -muxrate 1411200 -muxpreload 0.44 -packetsize 2324 -s 352x288 -r

Re: [FFmpeg-user] Ubuntu 22.04 audio capture issue

2022-12-02 Thread Christof Ameye (Oscart Group)
Followup: We have found a solution via a different group: https://unix.stackexchange.com/questions/231941/cant-run-aplay-as-root/602707 It involves setting the XDG_RUNTIME_DIR environment variable. Just wanted to let you know. -- Christof