It is not a good idea to increase these values. If you are not using pass thru for the video, then you can edit these values for the video you are creating. The video bit rate and the horizontal resolution (in pixels) of the video is displayed for you.The 2-pass will give better quality but will take twice as long. Depending on your computer, this can be time consuming. If the video codec is not H264 or Mpeg4, or if the result of a conversion is not playable on your selected hardware, then you'll have to use either of the H264 re-encode options.
Mp4tools reveiw mp4#
This would be the preferred option as long as the video codec is compatible with mp4 files (e.g., H264 or Mpeg4). This is a fairly quick process and is accomplished with no loss of quality. Pass Thru will copy the video track to the new file.Use the video radio buttons to choose what you want done to the selected video tracks.It will however set the correct avc profile level for the file. Note, unlike with the presets, MP4tools will not set properties like the resolution appropriate for the selected device. Select the target device for your video in the AVC Level popup button.MP4tools will color text red to warn you against options it thinks are a bad idea. For example, you can't create 5.1 audio if the original audio track is stereo. If an option is not selectable, then it is either not needed, or you have made some incompatible selection that you need to change. So you do need to know a little bit about MP4 video creation.
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Note, while MP4tools does a little bit of error checking and warning, you are free to make settings that will result in non-playable videos. This tab will give you more control in the creation of MP4 files. The Presets area lets you select and define presets for both the selection of tracks for a video, and settings for the video.Click on Watch Folder to start the watch mode of MP4tools.This can be useful to identify the file's tracks in case the track information is not clear. Click on Play to open an ffplay window to preview the tracks you've selected.Click on the 'V', 'A', or 'S' buttons to toggle the selection of all video, audio or subtitle tracks.For example, you might have the subtitles for a video in an external file, that you want to hard-code into the video. This will allow you include additional, non-video tracks to the processing. Click on Add Tracks if you want to add tracks to the table.Note, many functions in MP4tools will not be enabled until you have made appropriate track selections.
The leftmost column contains checkboxes that are used to select the tracks that you want to process.
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