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MP4TOOLS 2 PASS ENCODING UPDATE
MP4TOOLS 2 PASS ENCODING SOFTWARE
MP4TOOLS 2 PASS ENCODING TV
MP4TOOLS 2 PASS ENCODING MAC

Otherwise you might just have have to reprocess the video with either 1-pass or 2-pass encoding. Sometimes setting a different device option, which will change the avc profile level, will resolve the issue. Usually these videos will play fine, but sometimes you'll encounter problems.

MP4TOOLS 2 PASS ENCODING TV

One way it does this is to fool the Apple TV into playing movies that our not within its video specifications. When played on the Apple TV, the resulting video is out of sync, stutters or won't play: To maximize the speed of processing and optimize picture quality, MP4tools tries use video pass thru whenever possible.AAC copy of the audio file that Quicktime/iTunes is happier with. Though streaming these files to an Apple TV will work, the usual fix is to also include a 2-ch. Quicktime/iTunes crashes or won't play an MP4tools created file: This is typical of videos with only AC3 audio files.The text encoding should be properly set in the new subtitle track that will appear in the track window. If you have registered SUBtools, and have set the output text encoding to UTF-8 in its preferences, a quick way to ensure a proper text encoding is to the send the subtitle to SUBtools, and then send it back to MP4tools. For best results, the subtitle file should use UTF-8 encoding. Burned/muxed text-based subtitles contain strange characters: This is most likely a text encoding issue.Deleting the external file should fix this.

So on playback you will see the burned subtitles and the text from the external file.

MP4TOOLS 2 PASS ENCODING SOFTWARE

When you play the output video, some software players will look for external subtitle files with similar names and assume that they should be played with the video.

Two sets of subtitles appear in the output when burning: When burning subtitles, MP4tools may need to extract subtitles from the file.

Though MP4tools will allow it, the passthru option is in red to warn you against selecting it when burning subtitles.

Burned subtitles are missing from the output: When burning subtitles, the video must be re-encoded.

If you have registered SUBtools, you can send the graphical subtitle to that application, which is able to convert it to an SRT subtitle and sent them back to MP4tools to be muxed into your video. PGS and VOBSUB subtitles are graphical, and so can not be muxed by MP4tools, though they can be burned.

Muxed subtitles are missing from the output: Only text-based subtitles can be muxed into MP4/M4V videos.

Check the log file(s) that should have been created (if keep log files is checked in preferences) for error messages.

The output video is missing, smaller than it should be, or is not playable: Some error occurred during processing.

For now, there is an option in MP4tools what will remux the video with no quality loss that seems to fix the issue in most cases.

MP4TOOLS 2 PASS ENCODING UPDATE

Videos played in the newest update for Apple TV (6.1) stutters during panning: This seems to be a Apple issue as the same files played fine on other iDevices and older versions of Apple TV OS.

Also, I periodically read this forum and can chime in with specific MP4tools issues.

MP4TOOLS 2 PASS ENCODING MAC

Probably the best resource would be useful Mac video forums found here or here. You'll find lots of people there willing to help and with more knowledge about general video issues than I have. The web sites for the individual Tools could also prove helpful. Examining these log files should give you some hints regarding what the Unix applications are having issues with. This option is found in the MP4tools preferences. To help evaluate causes of strange behavior, you can select to keep the log files that are created during processing. As discussed on the Tools page, MP4tools is an Objective-C application that acts as an interface for a number of UNIX command-line applications. So if you encounter problems with MP4tools, often it's an issue with one of the UNIX applications.