6/11/2023 0 Comments Videohelp losslesscutTo summarize, ffmpeg gives me unusable subtitles with display durations of 0, while MP4Box gives me usable subtitles which however end too early. Unknown box type 6F660000(73/100)Ĭonversion failed (BitStream Not Compliant) When running the above MP4Box command, I get the error messages Also, the font information is gone, but I don't really care about that. MP4Box: "mp4box input.mp4 -srt 4" outputs the following:Ĭompared to ffmpeg's output, the subtitle durations are now correct, BUT the subtitle file abrupty ends more than 40 minutes before the end of the movie. Select a different output format ( matroska and mov support a lot of codecs. Sometimes LosslessCut (ffmpeg) is unable to cut certain tracks at all. video) and if that succeeds, then work your way by enabling more tracks and see which one is causing the problem. Note that all of the subtitle durations are 0, which makes them unusable. First try to disable all tracks except the main track (e.g. The only difference is that the final entry (4822) is not included in XMedia's output file. It lets you quickly extract the good parts from your videos and discard many gigabytes of data without doing a slow re-encode and thereby losing quality. Lets you quickly extract the good parts from your videos and discard GB of data. And when I opened a file, it show me this. The main feature is lossless trimming and cutting of video and audio files, which is great for saving space by rough-cutting your large video files taken from a video camera, GoPro, drone, etc. LosslessCut is great for rough processing of large video files taken from a video camera, GoPro, drone, etc. LosslessCut similarly recognizes the stream (tag "t3xg", codec "mov_te") and also fails to extract it.įfmpeg: "ffmpeg -i input.mp4 subs.srt" and XMedia Recode output almost the exact same file: When I opened LosslessCut.exe first time it show me the follow words: LosslessCut is installation is broken Command failed with EPERM: C:ToolsLosslessCut-win-圆4resourcesffmpeg.exe -hidebanner -f lavfi -i nullsrcs256x256:d1 -f null - spawn EPERM. My MP4Box GUI recognizes the subtitle stream (file information: "Text - Timed text"), but fails at extracting it. Hi,LosslessCut 1.9.0 appears to be exactly the App I have been seeking for a long time, if only I could Run it I have Downloaded LosslessCut-darwin-圆4.zip numerous times, from and vide. Fix rotation of a video that has the wrong orientation flag set Great for rotating phone videos that come out the wrong way without actually re-encoding the video. MKVToolNix GUI does not recognize the subtitle stream. Here is my experience extracting the subtitles with various software: LosslessCut 3.49. Here is a mediainfo excerpt:Ĭodec ID : mp42 (mp42/isom/iso2/iso5/dash/avc1/dby1/mp41) I have an MP4 file "input.mp4" which has a tx3g subtitle stream that I would like to extract, ideally as an SRT. Only works on some files: I've had success with some h264 files, and only a few h265 files seem to work. This is related to a separate issue that I'm having but I wanted to ask a new question so as not to conflate things. This experimental feature will re-encode the part of the video from the cutpoint until the next keyframe in order to attempt to make a 100 accurate cut while losslessly copying the rest of the segment.
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