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MP4/MKV can not properly support mixing of 2ch and 6ch AAC audio. The only time there is an issue is if the file actually contains a mix of 2ch and 6ch. However any program that attempts to play the file will have to use the stream specific header so it will play properly as 6ch. I assume MediaInfo is using the file level header and that's why it's being listed as 2ch. The file level header has to be setup before we can accept any packets, so it's impossible for us to adjust that based on the first edit frame. The stream specific header uses the information from the first audio frame that hits the muxer, which would be the first frame of the edit. For the file level header we use the info displayed in the Program Info screen, which is taken from the first frame in the whole file, no matter where the first cut it. There is a file level header where basic information about every stream in the file is stored and then a stream specific header for each stream in the file.

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Thanks for engaging in the conversation anyway - and let me restate 'Heads up MediaInfo 0.6.74 users !'įor both MP4 and MKV there are two headers.

It was that which had me cussing about the fact my output file was 2 channel and not 5.1.Īs it's not a biggy, guess we'll leave it there - but if you do have an idle moment and fancy challenge, I reckon you could crack this (-: Hopefully Jerome will modify the next version of MediaInfo to reflect the fact that the header and audio stream data is at odds.

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I appreciate this probably isn't worth changing, but VRD will know what the audio format of the first frame of the first edit is when the user presses 'Save' and before the streams are sent to the muxer - so in an ideal world it would probably be possible to get the file header to reflect the true number of channels unless this is buried somewhere in code you are leveraging such as FFmpeg and not VRD code - just not probably worth the agro since as you say the files play back just fine. So my guess is that it simply defaults to '2' in all cases?

I've tried saving a clip from that output file which is purely 5.1 and the output file is again tagged as 2 channel in the header. I think we're agreed that this is a pretty trivial 'edge condition' that will only affect users looking at the content of their files using tools such as MediaInfo, which now gives misleading results. Provide graphical user interface and command line interface for flexibility.Yes, output shown in 5.1.Support wide audio and video file formats.

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Show metadata related to the media, such as title, author and album. How to uninstall MediaInfo.dll 0.7.63 (32-bit) Version 0.7.63 by Learn how to remove MediaInfo.dll 0.7.63 (32-bit) Version 0.7.63 from your.

Provide information about the container format of the file, such as file format and duration.

Display technical information about audio and video files, including codecs, bit rates and resolution.

It is a useful tool for media professionals, developers, and anyone who needs to work with media files. MediaInfo can be used as a standalone application or as a library that can be integrated into other programs. MediaInfo is a powerful tool for anyone who works with audio and video files and needs to understand their technical characteristics and metadata.

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It can also be integrated with other software applications, such as media players and video editors, to provide technical information about the files being used. MediaInfo has a user-friendly interface and supports both graphical and command-line modes of operation.

It can also extract metadata such as title, artist, album, genre, and cover art. MediaInfo displays detailed information about a file's container format, video and audio codec, bit rate, frame rate, resolution, aspect ratio, and other technical details. It provides a detailed analysis of audio and video streams, container formats, and metadata, including information about codec, bit rate, frame rate, resolution, audio channels, language, subtitles, and more. MediaInfois a free and open-source software that displays technical and tag data for video and audio files.

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