[FFmpeg-user] Different audio rates on input DV files

I'm running ffmpeg version 4.1 (-version output below) on Mojave. I'm pretty new to ffmpeg, so please let me know what more I could provide. Some years ago I ripped a large number of Mini-DV tapes into clips. My input files are named: ... clip-1999-07-29 11;27;40.dv clip-1999-07-29 11;33;26.dv

Re: [FFmpeg-user] Equivalent parameter for CRF in hevc_videotoolbox

Hello Carl-san, > 2019/01/16 午前9:46、Carl Eugen Hoyos のメール: > > 2018-12-05 15:54 GMT+01:00, 桃源老師 : > >> I recently noticed that ffmpeg can use hardware acceleration via >> videotoolbox on Mac. > > Since 2016;-) My god!! ;-) > >> So my question is is there equivalent parameter for CRF in

[FFmpeg-user] ffplay on second monitor

Hi Folks, I am trying to use ffplay to crop and scale the 720p 16:9 output from vmix to provide a second 800x600 4:3 output on a video wall. The command ffplay -f dshow -i video="vMix Video" -an -x 800 -y 600 -noborder -vf "crop=960:720:160:0, scale=800:600" does exactly what I want, but I

Re: [FFmpeg-user] TV won't play file :

2019-01-15 18:36 GMT+01:00, Sophie Loewenthal : > I have a video encoded like this ( that was sent to me ). > > ffprobe gave me the details: > Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/unknown), > 1920x800, 2091 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default) > > It

[FFmpeg-user] TV won't play file :

Hi, I have a video encoded like this ( that was sent to me ). ffprobe gave me the details: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/unknown), 1920x800, 2091 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default) It won’t play on my TV ( Philip 24PFS5303/12) which has

Re: [FFmpeg-user] Could not find tag for codec hevc in stream

2019-01-15 15:24 GMT+01:00, Gabriel Zachmann : > % /opt/local/bin/ffmpeg -loglevel error -hide_banner -nostats -nostdin -i > 'Immersive Virtual Reality Anatomy Atlas V01.mp4' -map 0 -c:s copy > -map_metadata 0 -map_metadata:s:v 0:s:v -dn -map_metadata:s:a 0:s:a -c:a aac > -b:a 128k -filter:v

[FFmpeg-user] Could not find tag for codec hevc in stream

I am trying to convert an H264 video to H265. I am working on the command line on macOS 10.12.6 (High Sierra). However, I have a video for which ffmpeg (version 4.0.2) fails with this error message: [mp4 @ 0x7f843f00c600] Could not find tag for codec hevc in stream #2, codec not currently

Re: [FFmpeg-user] Meaning of ffprobe output

2019-01-15 3:13 GMT+01:00, Ulf Zibis : > Am 13.01.19 um 00:25 schrieb Carl Eugen Hoyos: > tbn This is the container timebase, 90k for mpeg streams. >>> For what stands 90k? For 90,000 milli seconds? >> It stands for a timebase of 1/9 > > Is it 1/9 second? I suspect timebase is a