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  1. Installer command line parameters
  2. Command line interface
  3. Portable mode
  4. Linux support
  5. Windows XP support


Installer command line parameters

NSIS is used for installer creation so all its command line parameters are available (like silent install or specifying output directory). For list of possible parameters read NSIS documentation: section Installer Usage.

Additionally are available next parameters:

Command line interface

--downloadSwitch to Simple Mode, paste URL from Clipboard and start downloading
--convertSwitch to Convert Mode, paste URL from Clipboard and start converting
--analyzeSwitch to Advanced Mode, paste URL from Clipboard and start analysis
--magnet URLUse URL and mode from magnet link and start processing
--no-langsIgnore translation libraries
--output-directoryOverride directory where to place downloaded files
--output-formatOverride format to convert to (Convert Mode only). Expected extension without a dot e.g. --output-format=mp4
--finish-actionThe only acceptable value is exit. When specified, program exits after downloading
--presetOverride preset to use. Expects name of preset configured via menu Tools Preset
--criteriaOverride source quality to use. Acceptable values: smallest_video, 144p, 240p, 360p, 480p, 720p, 1080p, 1440p, 2160p, 3072p, best_video, 32k, 64k, 128k, 192k, 256k, best_audio


3dyd.exe --analyze

Magnet link format: s3dyd://action=URL, where action is one of 'download', 'convert', 'analyze'. Example:

3dyd.exe --magnet s3dyd://download=

If program installed not portable, it registers in the system custom protocol s3dyd. In this case magnet links can be run without specifying program path. Example (will work only if program installed nonportable): s3dyd://

This can be used to connect 3D Youtube Downloader with other programs. For example, here is command for analysis foo_youtube clips using foo_run in foobar2000:


Portable mode

Program can be used in portable and non-portable mode. The difference is where the program stores its settings and intermediate data (like search results, feeds content etc). In non-portable mode the settings are stored in registry, data is stored in application data folders of current user. In portable mode all this is stored in the program directory.

32-bit and 64-bit versions can be placed in the same directory, intermediate data and program settings in this case will remain be separate.

Linux support

Program is being made keeping Wine in mind, so everything should work ok under it.

Better to set Windows version for the program to Windows XP otherwise some UI parts may be displayed incorrectly.

If you see the error containing SSL connect error (35), go to menu Tools Options Advanced and in net.libcurl select the one containing OpenSSL.

Actually that is most likely because libgnutls package, that is needed by Wine to provide schannel functionality, is not installed. This library is an optional dependency for Wine (or at least that is so on some distributions) so it could be not installed automatically. Installation of that package should resolve the problem. Package name differs across Linux distributions and Wine versions so no exact name here.

Windows XP support

Minimum supported Windows version for 32-bit program version is Windows XP SP2. Non-SSE-capable CPUs are also supported. In case of 64-bit program version, minimum supported Windows version is Vista.

Note, as of February 2017 it looks like Youtube switched to more secured HTTPS version that is not supported by Windows XP native SSL backend. If you are getting an error containing SSL connect error (35), go to Tools Options Network libcurl and select the one containing OpenSSL.

So if something does not work, you could notify about it since this is not always noticeable from development point of view.

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