Mp4box For Mac

2021年6月23日
Download here: http://gg.gg/v3s0i
Mp4box gui free download. Multimedia tools downloads - My MP4Box GUI by Matt Bodin and many more programs are available for instant and free download. GPAC Project on Advanced Content (GPAC, a recursive acronym) is an implementation of the MPEG-4 Systems standard written in ANSI C.GPAC provides tools for media playback, vector graphics and 3D rendering, MPEG-4 authoring and distribution. GPAC provides three sets of tools based on a core library called libgpac: A multimedia player, cross-platform command-line based MP4Client or with a GUI Osmo4.
This is a small step-by-step guide on how to download, compile and install GPAC and especially MP4Box on a Mac environment. I suppose most of it could be done with Linux in a very similar manner. There is an official guide for this, and it helped me quite a lot, but it was missing some (for me) crucial steps. That’s why I’m summarizing my steps I did to install GPAC.#1 Clone GitHub
You can find the GPAC repository here: https://github.com/gpac/gpac
Create a new folder locally and then clone the repo normally:#2 Installing GPAC extra libsMp4box For Mac Catalina
Now it starts to get very interesting. You need some additional libraries so that GPAC works properly. To get them they use MacPorts in the official guide for this. If you haven’t installed MacPorts yet (as me) then you need to follow the steps on the MacPorts page here. I can only recommend using the package installer because that’s way easier than the other way (with Xcode etc.). But your choice.Mp4box For MacIf you have already installed MacPorts
If you have updated your operating system since you’ve last used MacPorts, then it is very likely that you have to update MacPorts again. You will get messages like:
Just go to the install page and get your appropriate “macOS Package (.pkg) Installer” from there. Then install it and continue with the following steps,
When you successfully installed MacPorts you then update MacPorts itself with:
After that, you can install all the libraries needed for GPAC via MacPorts:
If you get the warnings about not having installed the Xcode Command Line Tools:
Then just do as told and runError: Port libsdl-devel not found
This was an error that occurred while trying to install “libsdl-devel”. This library simply isn’t available anymore. But that’s no problem, as this was the development version anyway. Just use “libsdl” instead.
For my installation, I skipped the steps Setting up UPnP (Optional) and Setting up OpenSVCDecoder (Optional).#3 Compile/Build the code
To configure the installation use the following command:
Then you can build GPAC with the normal make command:
The build process should work without problems now.#4 Install GPAC/MP4Box
Now after the build was successful, you have two options to install GPAC. You can create a DMG-file or install it directly with:
Even though I made this and restarted everything MP4Box wasn’t still working and I had to manually copy the files to the system. Prodad mercalli for mac torrent kickass. I used the following commands for that:Mp4box Mac Os X
After that MP4Box should work properly:
MP4Box は mp4 ファイルの結合や Mux ができます。セットアップMp4box For Mac Computers
GPAC Nightly Buildsから最新版をダウンロードし、dmg を実行して、適当な場所(例: /Application)にコピーします。
MP4Box を PATH に追加するか、Osmo4.app/Contents/MacOS/MP4Box コマンドへのエリアスを追加します。mp4 テスト素材の入手
Mux 用の素材を以下から入手し、pen1.mp4 〜 pen3.mp4 にリネームします。
*NHKクリエイティブ・ライブラリー
*素材利用のRule
*Contents
*アデリーペンギン 仲よく腹ばいで滑る
*rename to pen1.mp4
*アデリーペンギン 懸命に腹ばいで滑る
*rename to pen2.mp4
*ジェンツーペンギンと南極の夕景
*rename to pen3.mp4Usage
MP4Box の詳細なヘルプは MP4Box -h general や MP4Box -h dash で表示されます。結合
pen1.mp4 と pen2.mp4 を結合した pen1+2.mp4 を生成し、さらに pen1+2.mp4 と pen3.mp4 を結合した pen_all.mp4 を生成します。Mux
video.mp4 と audio.m4a を mux し movie.mp4 を生成できます。トラック情報のダンプ
トラック情報をダンプします。MPD を作成しストリーミング再生する
MPEG-DASH の MPD(Media Presentation Description) を作成します。
この例では、10 秒のセグメントと 1 秒のフラグメントで mpd を作成します。
dash.js をダウンロードし、pen_all_dash.mpd を index.html で再生してみます。
Download here: http://gg.gg/v3s0i

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