MTCVideoSlave User Manual
Contents
1. J Automatically save seek tables Save all seek tables into this directory Projector T Do a quick check when building seektables Appearance Subtitles Save all seek tables into this directory If you don t want the seek tables to be saved in the same directory as the video file with the extension skt appended select this option to Save them all into one directory Do a quick check when building seek tables This option is recommended since it is Comcel sek essential for the proper operation of the program that the seek tables are correct Page 5 8 2 6 4 2 6 5 2 6 6 Appearance S settings a a Style alternative y Seek Tables Style Choose the style of the controls You can choose between native look and some other styles Preview Subtitles Count In Yideo 00 00 00 00 FPS Offset Audio d Projector MTC 00 00 00 00 FPS 25 00 Sync Error 00 JE EE OpenGL Subtitles Cancel apply Alignment Where to align the overlay on the video Font size Font size of the overlay Outline Width of the outline JV Enable subtitles Alignment Bottom Center y Font size 24pt Outline opt i ackground opacity Yo E Background opacity Intensity of the text moro g EX E b ac kg roun d R File encoding Local y Subtitle file The text for the subtitle overlay is read from this file When the content of the file changes the subti2. 0 61 62 63 64 65 66 67 68 69 70 71 4 72 73 74 75 76 77 78 79 80 81 82 83 5 6 7 8 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 Page 6 8 2 6 7 2 6 8 2 6 9 Audio Audio device Choose the audio device to use Sample rate Sample rate to use Count In Volume Volume of the count in beep Audio Track Volume Volume of the audio track from the video file A V Latency Use this setting to compensate Audio Video latency Projector Hide mouse cursor in fullscreen Enable perspective correction Drag the four points for perspective correction Double clicking a point will reset it to the default position The red lines can be dragged to crop the picture OpenGL Settings Settings 1 2 x Common Overlay Seek Tables None v mon 2 Count In volume 0 _ A 100 Audio Track Volume 0 _ 100 Audio device Appearance Sample rate Subtitles Count In AV latency 2 x T Hide mouse cursor in Fullscreen Seek Tables Appearance Subtitles Count In Audio T Enable perspective correction Use non power of two textures Saves memory Use PBO for performance texture upload Better Use shader for color decoding Better performance and saves memory At the moment videos which are encoded in YUV420P YUV422P and YUV422P10
3. LE format are supported Enable VSync if possible If you have problems with tearing of the video try to enable VSync Please note that enabling VSync can have a negative effect on timing and latency compensation Se Settings i ax Common Overlay Iv Use non power of two textures if possible Seek Tables Appearance V Use PBO For texture upload Subtitles V Use shader For color decoding if possible Count In Audio V Enable Sync if possible requires app restart Projector cancel eg Page 7 8 2 7 Remote control application MTCVideoSlave comes with a remote control application which can be found in MTCVS installation directory and is called remote exe The following commands are supported help close offset timecode open filename play pos timecode quit stop Subtitle text wait Show help supported commands Close file Set offset Open file Play Set video position Quit MTCVideoSlave Stop Set subtitle Wait for command completion i e wait for seektable build when file is opened Page 8 8
4. MTCVideoSlave User manual Copyright 2009 2012 Anich Gregor Table of Contents Ds A A PR ace 1 1 What is MICVIOSOSIAVE nuas do tecrdie dae Diab e ini O e SS o a ea dde 2 USING MIT CWIGCC SAVE uresrntinicaca oirlo britanica K CONO Static ee 22 ME MITE Status CONS aserradero E Oa a ar aar LAA A ai ere E i es CO CITING VASOS sario sion lina eel A as o E o geo Pa A Pro e O II DU a a anes o A A 6 6 3 A e A E E E OR DR ee ee eee eee RR A O O ERRA RR 6 6 6 7 6 8 6 NNNNNNNN N 1 Overview 1 1 What is MTCVideoSlave MTCVideoSlave MIDI Time Code Video Slave is a video player which syncs the video playback to MIDI time code It uses the FFmpeg library for decoding video files and therefore supports numerous file formats But since not all of these formats are suited equally well for synchronized playback it is sometimes required to transcode the video file into a format suitable for playback with MTCVideoSlave By using OpenGL for displaying the video the CPU load is kept low and multiple video windows can be shown simultaneously so you can have a small window on your DAW desktop and a big window on another screen at a remote location for example You can also use MTCVideoSlave to offload the video playback onto another PC or keep multiple PCs in sync for video installations Usually it is best if the video file has the same frame rate as the MIDI time code but this is nota requirement MTCVideoSlave supports vide
5. check of the seek table after a new seek table has been built For correct operation of the program it is essential that the seek table is correct This can be assured by choosing Tools gt Check seek table full from the menu 2 4 Transcoding videos For normal usage the H264 video codec is recommended because it is used a lot and implemented with good performance For professional use DNxHD is recommended over ProRes because the performance is better If there are troubles with a certain video file for example seek table cannot be built seeking is too slow playback doesn t work try to transcode the video into another format Select Tools gt Transcode video stream from the main menu this feature is not very well supported Page 3 8 however First select the source and destination files then setup the options and click Start e Source The source filename sore gt gt gt e Destination Destination filename pl sal Frame rate Select the frame rate for the destination Tm ae gt file Possible values are 24 25 29 97 and 30 ae e Resolution If the video has a high resolution only few rrogess 0 frames will fit into the video buffer With this option you can downsample the video to a lower resolution Close e Keyframe interval Lower values produce bigger files which increases seeking performance but also increases file size A value of 1 would be ideal for seeking but will prod
6. os with any frame rate and tries its best to accurately keep them in sync 2 Using MTCVideoSlave St 2 movies videos CommandP1942 mpeg MTC ideoSlave Of xj File View Tools Help IBC 00 03 99 ZO Main Window First you have to tell MTCVideoSlave which MIDI device to use You can do this in the Settings dialog see 2 6 Settings If you don t have MIDI hardware you need additional software such as LoopBel http nerds de en loopbel html or MIDI Yoke http www midiox com which will allow you to connect the output of your DAW to the Input of MTCVideoSlave with a virtual MIDI cable To open a video file press Ctrl O or select File gt Open from the menu at the top of the window If the file is opened for the first time a seek table has to be built This may take a few minutes for big videos Once the seek table has been built MTCVideoSlave is ready for operation and will keep the video in sync with the time code received from the selected MIDI device Note When an external timecode is being received and the Sync button is active the internal play and seek commands will be disabled 1 FFmpeg is a trademark of Fabrice Bellard See http www ffmpeg org for more information Page 2 8 2 1 Controls Video 00 00 00 00 FPS U Offset 00 00 00 00 IES Video Buffer 53 53 l MTC 00 00 00 00 S 25 00 Sync Error 00 00 00 00 IC sync Video Duration 00 00 21 01 Video Shows the current p
7. osition in the video stream The video FPS can be overridden by entering the wanted FPS into the FPS field Clear the FPS field and press return to reset to the videos original FPS MTC Shows the current MIDI time code Offset Offset between video and MIDI time code Positive values mean the video is ahead of the time code e Sync Error Shows the maximum sync error which happened during playback Set Set Offset from current Video and MTC position Sync Enable Disable syncing of the video to the time code e Video Shows the status of the video buffer Buffer e Duration Shows the duration of the video Note The Video and Offset values can be edited with the mouse wheel Just click into the section you want to edit hours minutes seconds or frames and scroll the wheel Double clicking will reset the value to 00 00 00 00 2 2 Sync MTC status icons If the current time overlay is enabled see 2 6 Settings then the sync status on off and the MTC status running stopped are indicated by one of four icons Sync off Sync off Sync on Sync on MTC stopped MTC running MTC stopped MTC running bt Empty Filled square Empty Filled triangle square triangle 2 3 Seek tables In order to quickly seek the video MTCVideoSlave has to build a seek table for every video file This is automatically done when a file is opened the first time and can take some time usually a few minutes By default the program does a quick
8. ry to use for buffering the video If this value is too small only few frames of the video will fit into the buffer if it is too big the performance might suffer from excessive graphics memory usage MIDI to display latency Use this setting to compensate MIDI to display latency Automatically open last used file on startup Save all per video settings into this directory If you don t want the per video settings offset aspect ratio to be saved in the same directory as the video file with the extension mtc appended select this option to save them all into one directory Overlay Show filename Show the filename on top of the video 4 Show filename Alignment Top Center y Font size zot Outline ip I Show current time Alignment Bottom Center y Font size szpt Outline 2pt Video position Y Timecode Both Show current time Whether to display the current time on top of the video Alignment Where to align the overlay on the video Font size Font size of the overlay Outline Width of the outline T Show status messages big and centered Show status messages big and centered Status messages such as Sync on off are ER Shown bigger By default they are shown with the style of the current time overlay Seek Tables Automatically save seek tables Tells the HE program to automatically save seek tables so camer they don t have to be built every time a file is opened
9. tles will automatically be updated The intended use of this is to have another application update the subtitle file A ene with the text for your speakers while dubbing File encoding Character encoding of the subtitle file Count In Alignment Where to align the overlay on the aia vi d eo enh Y Enable count in E a Alignment Center v Font size Font size of the overlay Font size 250pt Outine apt gt i E Background opacity 50 Outline Width of the outline Duration 3 clicks 3 Interval 1 00s Trigger delay preroll sooms Background opacity Intensity of the text e Count down 3 2 1 Count up 1 2 3 b ac kg roun a IV Trigger when TimeCode is received z i T Trigger when MIDI message is received Duration The duration of the Count In arp EE Interval Time between clicks Cancel apply Trigger delay Delay between trigger event and Count In minimum 1000ms Trigger when TimeCode is received Count In will start when incoming TimeCode starts Trigger when MIDI message is received Choose between triggering on Note on or Control change messages You must also enter a value for the Note Control to trigger on The following table shows the numbers of the MIDI notes Octave C Cf D D E F FH G G A A B 2 0 1 2 3 4 5 6 7 8 9 0 11 188080 13 SME 170 1900 cia 23 0 24 25 26 27 28 29 30 31 32 33 34 35 1 36 37 38 39 40 41 42 43 44 45 46 47 2 48 49 50 51 52 53 54 55 56 57 58 59 3 6
10. uce big files The default value of 10 should be suitable for most scenarios 2 5 Keyboard shortcuts Ctri Q Quit Ctri O Open video file Alt Return Toggle fullscreen display can also be done by double clicking into the window Ctri N Open new video window Fl Toggle sync on off F2 Show hide controls F3 Toggle timecode overlay on off F4 Toggle filename overlay on off F5 Toggle subtitle overlay on off F6 Toggle count in on off Escape Leave fullscreen display Return Toggle menubar and statusbar visibility in fullscreen mode Space Play Stop Page Down Page Up Seek 1 frame backward forward Left Right Seek 1 second backward forward Down Up Seek 10 seconds backward forward Home End Seek to begin end Plus Minus Audio track volume up down Ctri Plus Ctrl Minus Count in beep volume up down Page 4 8 2 6 Settings 2 6 1 2 6 2 2 6 3 DE Common Common arla Input device None X x eek Tables Input device Select the MIDI Device which Is SysEx Channel 27 should be used Count In MIDI Channel lo Projector video Buffer jem OpenGL SysEx Channel MIDI SysEx channel to use Waa aac tor im x V Automatically open last used file on startup 127 IS the default channel for global messages T Save all per video settings into this directory MIDI Channel The MIDI channel to use a Messages which trigger the count in must come on this channel Cancel apply Video Buffer How much graphics memo
Download Pdf Manuals
Related Search