On Tue, Nov 21, 2023 at 12:49 AM Sebbi Thueni <sebastianthuene...@gmail.com> wrote:
> Hi I have a question regarding a command in ffmpeg. I have a relatively > high quality video as test.mkv which has a 4k quality and hdr. additionally > it has a truehd dolby atmos audio. so lossless and uncompressed. i'm trying > to cut the video into small snippets of 5 s now. the background is that i > can play this video better as video on demand as m3u8. if i use this : > ffmpeg -i test.mkv -f segment -segment_time 5 test%d.mkv > the desired result does not come out. ffmpeg turns the audio into sound in > vorbis. which no longer offers the quality of a pure atmos truehd sound. > but if i just copy the sound and the video with: > ffmpeg -i test.mkv -c:v copy -c:a copy -f segment -segment_time 5 > test%d.mkv > or > ffmpeg -i test.mkv -c:v copy -c:a truehd -f segment -segment_time 5 > test%d.mkv > or > ffmpeg -i test.mkv -map 0:v -c:v copy -map 0:a -c:a copy -f segment > -segment_time 5 test%d.mkv > ffmpeg -i test.mkv -map 0:v -c:v copy -map 0:a -c:a truehd -f segment > -segment_time 5 test%d.mkv > the sound is not played in all segments. The video is always flawless. My > question now is if someone can help me to get these segments to work. > because theoretically it is just a copy of everything and always cut off > after a few seconds. > Version of ffmpeg? > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".