KOPlayer Help
KOPlayer is a multi-tab player for video files, graphics files, playlists or network streams.
Koplayer can play entire directories.
Koplayer can play multiple files in separate tabs when they are dropped onto the player.
Koplayer can also play multiple directories in separate tabs when they are dropped onto the player.
Koplayer integrates with Windows Explorer, allowing you to play the contents of an entire directory including subdirectories
via the Windows Explorer "Play with Koplayer" menu option.
See the "Association" menu.
Koplayer can play grafical files: JPG, JPEG, PNG, BMP, GIF, TIFF, WEBP
Main menu on the primary screen
- File – Menus for opening a file or folder or network stream
- Video – Menus for manipulating the video
- Audio – Menus for manipulating the audio
- Subtitles – Menus for manipulating the subtitles
- Association – Associate video files with KOPlayer, Remove the association,
Add to Windows Explorer Context menu, Remove From Windows Explorer Context Menu.
- Media Information – Information about the current stream
- Sorting files – How should the files be sorted when playing a folder.
Buttons on the top panel
- Open File – Opens a local file or playlist
- Open File button menu – Opens a local file or playlist
- Open Folder button menu – Opens a folder content with subfolders
- Open Url button menu – Opens a network link
- Play – Plays the content again after pause
- Play All button menu – Plays all contents in tabs again after pause
- Pause – Pauses the content
- Pause All button menu – Pauses all contents in tabs
- Stop – Stops the content
- Stop All button menu – Stops all contents in tabs
- Volume Mute/Unmute – Mutes or unmutes the sound
- Volume Mute/Unmute(button menu Mute All) – Mutes the sound in all contents in tabs
- Volume Mute/Unmute(button menu Unmute All) – Unmutes the sound in all contents in tabs
- Scroll bar next to Mute/Unmute – Increases or decreases the volume
- Playlist – Screen with the loaded playlist
- History – Playback history
- Show Favorites – Shows favorite playbacks
- Add Favorite – Adds the current playback to favorites
- Audio – Selects an audio track from the file or URL
- Subtitles – Selects subtitles, or if you click the button itself, opens a dialog to choose new subtitles
- Fullscreen – Switches to full screen. You can also double-click on the playing content to go full screen, then press Esc or double-click again to return.
- Settings – KOPlayer settings
- Help – This help content
- About application – About the program and its author
- Exit – Exit the program
Buttons on the bottom panel
- Video control left – Seek left by a fixed amount. Does not work when playing a network stream or a playlist with network streams.
- Video control right – Seek right by a fixed amount. Does not work when playing a network stream or a playlist with network streams.
- Play from beginning – Plays the content from the beginning. Does not work when playing a network stream or a playlist with network streams.
- Scroll bar for seeking through the content. Does not work when playing a network stream or a playlist with network streams.
- Screenshot – Takes a snapshot of the screen and saves the file in the screenshots folder inside the KOPlayer folder.
- Record current stream – Records the current playback to a folder of your choice. Only one tab with content can be recorded at a time.
- Stop Recording – Stops the current recording.
- Prior playlist item – Previous item in the playlist. Active only when playing a playlist.
- Next playlist item – Next item in the playlist. Active only when playing a playlist.
- Panel with the current playback time and total duration. Not shown when playing a network stream.
Buttons in full screen mode
The button bar appears when you move the mouse to the bottom of the screen.
- Play – Plays the content again after pause
- Pause – Pauses the content
- Stop – Stops the content
- Scroll bar for seeking through the content. Does not work when playing a network stream or a playlist with network streams.
- Panel with the current playback time and total duration. Not shown when playing a network stream.
Popup menu on the video tab or tabs
- Close Active Tab – Close Active Tab.
- Close All Tabs – Close All Tabs.
- Close All Tabs Except Active – Close All Tabs Except Active.
- Open File Location – Open Location in Explorer on file in tab.
- Copy File Path – Copy File Path on file in tab.
Playlist screen
This screen shows the contents of the loaded playlist. The following playlist types are supported: m3u and m3u8.
If you have links in the playlist like: rtsp://@192.168.1.40:554/play and this link requires a user and password it will not be able to play.
If you want a link that requires a user and password to play in the playlist, it must be described in the playlist with the user and password in it,
like for example rtsp://user:password@192.168.1.40:554/play
At the top of the screen there is a search box for the grid content. Double-clicking a row in the grid starts playback of that item.
Buttons
- First Item – Goes to the first row in the playlist
- Prior Item – Goes to the previous row in the playlist
- Next Item – Goes to the next row in the playlist
- Last Item – Goes to the last row in the playlist
- Play – Starts playback of the currently selected row
- Repeat Playlist (checkbox) – Plays the playlist continuously. If the player settings specify Repeat Playlist, this checkbox is checked automatically.
- Shuffle Playlist (checkbox) – Plays the playlist in random order. If the player settings specify Shuffle Playlist, this checkbox is checked automatically.
- Clear Playlist – Clears the current playlist from the screen and from the player
- Exit – Exit the screen
History screen
This screen shows the playback history. History is recorded only if the player settings specify Save History.
For local files, the current position is saved when playback is stopped. On the next playback of the same file, it resumes from the saved position. Time is not saved for network streams or playlists.
At the top of the screen there is a search box for the grid content. Double-clicking a row in the grid starts playback of that item.
Buttons
- First Item – Goes to the first row in the history
- Prior Item – Goes to the previous row in the history
- Next Item – Goes to the next row in the history
- Last Item – Goes to the last row in the history
- Play – Starts playback of the currently selected row
- Create Playlist – Creates a playlist from the history, saving an m3u file with a chosen name in a folder of your choice
- Delete All – Deletes all rows from the history
- Delete – Deletes the currently selected row
- Exit – Exit the screen
Favorites screen
This screen shows your favorite playback list. You add favorites using the Add Favorite button on the main player screen.
At the top of the screen there is a search box for the grid content. Double-clicking a row in the grid starts playback of that item.
Buttons
- First Item – Goes to the first row in the favorites list
- Prior Item – Goes to the previous row in the favorites list
- Next Item – Goes to the next row in the favorites list
- Last Item – Goes to the last row in the favorites list
- Play – Starts playback of the currently selected row
- Create Playlist – Creates a playlist from the favorites list, saving an m3u file with a chosen name in a folder of your choice
- Edit – Enters edit mode for the favorites list
- Save – Saves the changes you have made
- Browse – Exits edit mode for the favorites list
- Delete All – Deletes all rows from the favorites list
- Delete – Deletes the currently selected row
- Exit – Exit the screen
Settings screen
On the Settings screen you configure the default settings of the player. Each time KOPlayer starts, it uses these settings.
Contents
- Save History – Enables saving playback history (see History screen)
- Clear History – Deletes the playback history (see History screen)
- Clear Favorites – Deletes the favorites list (see Favorites screen)
- Skin – Selects the theme and appearance of the player
- Subtitles Font – Selects the default subtitles font or a custom font
- Deinterlace – Selects the default deinterlace mode.
- Default movies and subtitles path – Default folder used when opening video files
- Default recording path – Default folder offered when recording the current playback
- Hardware decoding – Hardware acceleration for video playback. It is recommended to choose auto; the default is no.
- Repeat Playlist (checkbox) – Plays the playlist continuously (see Playlist screen)
- Shuffle Playlist (checkbox) – Plays the playlist in random order (see Playlist screen)
- Playlist non UTF-8 Encoding – Used for loading playlists that are not UTF-8 encoded (see Playlist screen)
- Play Video on Single Tab (checkbox) – Plays video in a single tab; the player does not work in multi-tab mode in this case.
- Sorting files during folder playback (combobox) – How should the files be sorted when playing a folder.
- Buttons ... – Folder selection buttons
- Buttons ✓ – Confirmation buttons
- Reset all settings to default value – Resets all settings to their default values
- Compact History Database – Reorganizes and compacts the KOPlayer database KOPlayer.DB3
- Create Playlist From Folder – Create Playlist file from folder including subfolders.
- Exit – Exit the screen
Shortcuts on the main screen
| Action | Shortcut |
| Help | F1 |
| Play / Pause | F2 |
| Open File | Ctrl+F |
| Open Folder | Ctrl+Alt+F |
| Open Url | Ctrl+U |
| Video Zoom + | Ctrl+H |
| Video Zoom − | Ctrl+G |
| Video Frame Step Left | Ctrl+L |
| Video Frame Step Right | Ctrl+R |
| Audio Delay +0.5 seconds | Ctrl+Alt+U |
| Audio Delay −0.5 seconds | Ctrl+Alt+D |
| Subtitles Delay +0.5 seconds | Ctrl+E |
| Subtitles Delay −0.5 seconds | Ctrl+D |
| Subtitles Size +10 | Ctrl+I |
| Subtitles Size −10 | Ctrl+J |
| Subtitles Position Up | Ctrl+Q |
| Subtitles Position Down | Ctrl+W |
| Full Screen On or Off (video) | Double Click |
| Show Playlist | F3 |
| Volume Mute / Unmute | F4 |
| Show History | F5 |
| Show Favorites | F6 |
| Add Favorite | F7 |
| Close Application or Window | Alt+F4 |
| Prior playlist item | F8 |
| Next playlist item | F9 |
Shortcuts on Favorites screen
| Action | Shortcut |
| Edit – Enter edit mode for the favorites list | F2 |
| Save – Save changes made by you | F10 |
| Browse – Exit edit mode for the favorites list | F5 |
Shortcuts on Help screen
| Action | Shortcut |
| Find | Ctrl+F |
| Find | F4 |
| Close | Alt+F4 |
| Close | Ctrl+W |