MPlatform SDK release notes

1.7.12.9972 - April 26, 2018

Common

• All the features and fixes from the beta version are included.

Files and network playback

• Fixed Closed Captions decoding for streams with a non-zero start time

Encoding and network streaming

• Fixed DV encoding problem

1.7.11.9969 beta - April 24, 2018

Common

• Updated manifest files for registration-free redistribution;
• Changed logic of trial licenses for plugins:
  if you don't have a license for, e.g. Chroma Key, then you will have a graphics overlay on your video when you use the plugin. For core SDK license you'll get a message box when the trial has been expired.

WebRTC

• Added SFU support;
• Fixed WebRTC crash in case of GPU encoding;

Encoding and network streaming

• Fixed Closed Captions and SCTE-35 triggers streaming and receiving for DVB streaming;
• Fixed bytes order in SCTE-35 triggers insertion;

Playlist

• Fixed "break_start" event in case a break is the 1st item of a playlist;
• Added "pause.mute_audio" property for MPlaylist to mute audio for the Paused state;
• Fixed audio breaks on switching between items;

Video input

• Fixed AJA re-initialization of an input source;

Video output

• Fixed "overlay_rms" property for MRenderer specified via code

Video mixing

• Fixed audio staggering issue for MMixer object in case of None video source is used

Files and network streams playback

• Fixed getting and setting start timecode for files;
• Fixed UDP reconnect issues;
• Improved reconnect response.

1.7.11.9930 - March 29, 2018

Common

• Fixed problem with licenses using IMFCreator

Video input

• Added support of 4K for Bluefish444 devices
• Updated Bluefish drivers up to 5.11.0.55 version
• Added VANC and HANC data support for AJA devices
• Fixed correct initialization of AJA devices

Graphics overlay

• Fixed HTML5 events
• Fixed a problem of releasing WebCapture devices
• Fixed CG image sequences playback

Files and network sources

• Improved switching between TS programs and audio tracks in TS streams
• Improved timecode seeking
• Fixed initialization of 4K static images
• Fixed correct frame order in UDP streams playback

Playlist management

• Fixed transitions from a background to a file
• Fixed transitions from a short file to a background
• Fixed switching between mp://-link items
• Fixed switching to a previous item after the pause_last command

Mixing

• Added "mask_brightness" and "mask_contrast" attributes to MMixer scene elements
• Fixed high CPU usage on the pause of streams

Encoding and streaming

• Added DVB-compliant streaming
• Fast transcoding
• Fixed a problem when a first frame was skipped on playlist transcoding
• Removed Nablet components
• Updated SCTE-35 triggers insertion

1.7.10.9865 - February 22, 2018

Core FFmpeg components updated to release 3.4.2 version.

Playback

• Fixed RTSP/RTMP streams reconnect problem on network failure

Character Generator

• Added 'checkfile.update_on_load' property to force updating an item content from a file on loading of XML configuration

Encoding

• Fixed DNxHR capturing
• Fixed duplicated first frame issue on transcoding

WebRTC

• Fixed Closed captions and timecode embedding
• Added ability to add custom properties to any peer

Live sources

• Fixed audio/video synchronization issue after temporary loss of an input signal

AJA devices

• Added Bypass relay feature
• Fixed issue of empty timecode captured from device
• Fixed rare device initialization bug
• Updated AJA SDK to 14.0.1 version. Update your device firmware, please.

Newtek NDI

• Fixed a crash in case of long identification parameters in difficult network configuration

Stream Labs devices

• Fixed memory leak problem
• Updated Stream Labs SDK to 2.1.625 version

1.7.9.9820 - January 30, 2018

MLive

• Fixed Avermedia U3 high CPU usage problem

MWriter

• Fixed Intel Quick Sync issues with new CPU i7 8700K

MRenderer

• Fixed Decklink Mini Monitor 4K output bug

MFile

• Fixed seeking problem in TS files
• Added ability to enable low delay when receiving RTSP streams

CharGen

• Improved image sequences performance

MFDevice_AJA2

• Fixed AJA Corvid 24 sound output issue
• Fixed problem with HDMI input/output

MFDeviceCEF

• Added Medialooks WebCapture device

MFDeviceSL

• Fixed memory leak when capturing [email protected] + Analog Audio
• Improved analog audio capturing

WebRTC

• Updated SDP interpretation to support multiple h264 codec options
• Added ability to await connection with exact peer

1.7.8.9770 - December 21, 2017

Common

• Added SCTE-35 triggers encoding feature

MFile

• Fixed file duration calculation when playback rate is set to x2
• Fixed MXF files fast playback bug (for exact files)

MComposer

• Fixed bug related to mask applied to grouped video

MMixer

• Fixed mp:// link issue with mirror effect applied

MPlaylist

• Fixed audio channels gain issue for NDI streams
• Fixed UDP streams async issue

Chromakey

• Fixed IMpersist interface bug

WebRTC

• Fixed test web pages issues in Safari browser
• Added compatibility with Apple's devices

CharGen

• Fixed grouped items display issue

MFDevice_AJA2

• Fixed AJA Corvid 24 card output problem

1.7.7.9727 - November 30, 2017

Added IMFCreator interface to create and manage an object in an external process.

MWriter

• Fixed playback while recording feature

MCCDisplay

• Fixed rare symbols corruption on preview

MFile

• Fixed high FPS files playback

CharGen

• Fixed ShowItem method called for grouped element

MFDeviceNDI

• Fixed signal loss issue

MChromakey

• Fixed black border issue when chromakey is used in MComposer

1.7.6.9688 - November 8, 2017

MLive

• Fixed FormatVideoGet() method result

MWriter

• Fixed MOV dvhd format capturing
• Fixed Apple ProRes format capturing

MPlaylist/MFile

• Updated SCTE 35 parsing to return XML compliant with SCTE 35 2016 standard

MMixer

• Fixed mp:// link pointing on paused playlist issue
• Fixed infinite transition loop if transition duration is greater than file duration
• Fixed scale_type=letter-box setting

MRenderer

• Fixed 'object::audio_channels' property for renderers

WebRTC

• Fixed audio level value in received frames on local WebRTC client
• Fixed 'force_native_format' property

MCCDisplay

• Fixed displaying of characters with diacritical marks

1.7.5.9637 - October 16, 2017

MFile

• Fixed hangs on opening audio stream with several audio ts programmes

MLive

• Fixed loading of saved configuration containing external audio

MFDeviceSCR

• Added 'high_dpi_scaling' property allowing to enable/disable display scaling on High DPI
• Fixed 'SetProcessDPIAware' property that didn't work on Windows 7

WebRTC

• Added 'ice_transports' property allowing to force turn server usage
• Fixed leaveRoom() method for test web pages

MPreview

• Fixed memory leaking problem on frequent starting/stopping preview

MWriter

• Fixed crash issue when using low bitrate settings wing MPEG2 encoder
• Fixed PWR for MXF and DNxHD formats

MFDevice_AJA2

• Upgraded implementation to SDK v 13.0

1.7.4.9553 beta - September 26, 2017

Common

• Fixed possible problems with IMProps interface redirection

MFDevice_I_R

• Added support of calling DeviceSet(Video, -1, NULL) to unselect current device

MDelay

• Fixed seeking on paused SBE files
• Fixed position after seeking on pause

MMixer

• Fixed memory leak in transitions

MWriter

• Fixed DNxHD recording issue

1.7.4.9540 - September 6, 2017

Common

• Updated FFmpeg to latest stable build (N-86979-gf4ebbda-Reino)

MPlaylist

• Fixed freezing bug caused by background changing

MFile

• Fixed image opening bug when path is to file is incorrect
• Fixed network playback problem caused by buffering error

MFFileFFM

• Fixed discarded stream reading
• Added  'mxf.index_path' property to prevent the creation of index files for MXF
• Added ability for change video bitrate and force IDR frame during encoding with Cisco OpenH264 encoder

MLive

• Fixed problem caused by double calling of ObjectClose method

MFDeviceSCR

• Fixed internal audio loss problem
• Fixed hanging problem in hardware (dx11) mode

WebRTC

• Fixed hangup issue when many peers are connected to more than 10 other peers
• Fixed memory leakage on closing peer connections
• Fixed resource releasing on closing peer connections
• Improved GPU H264 encoding quality and performance
• Added ability to add Closed Captions to GPU encoded streams
• Added extra 10% bitrate allocation (useful for GPU codecs)

MRenderer

• Fixed bug with renderers having the same name

MWriter

• Added support of DNxHR encoder

MFDevice_AJA2

• Fixed incorrect video format detection

1.7.3.9500 - August 9, 2017

Common

• Added SCTE-35 detection and parsing. Added events in MPlaylist, MLive, MFile to be fired on SCTE-35 messages
• Added "audio_breaks" to statistics for easy detection of audio breaks
• Fixed image sequences playback

MLive

• Fixed bug with freezing video after switching devices from None to another one, e.g. screen capture or web cam

MFOverlay

• Improved performance. Added handling of frames with eMFF_None flag

MFDeviceSCR

• Added "capture.external_process" property to avoid memory leak at the fast reopening of screen capture device

WebRTC

• Added different audio processing options like echo cancellation, typing noise detection etc
• Added ability to specify multiple stun/turn server for local and web clients

MMixer

• Fixed bug with audio drops when switching between two streams
• Fixed frame drops during scene changes

MPreview

• Fixed issue with pictures shown with "auto" format

MWriter

• Added Cisco OpenH264 encoder

1.7.2.9470 - July 19, 2017

Important! Since this release you should use Microsoft Visual C++ 2017 Redistributable Package for redistribution. You can download x64 version here.

MPlaylist

• Fixed 'background::file::stat' property which was not working
• Fixed crash on transition between items when transition type differs from 'Fade'

MLChargen

• Fixed loading flash files with '?' symbol in a path

MFile

• Improved audio quality when receiving network streams
• Improved RTSP stream reconnect
• Fixed internal buffer overflow when receiving network streams
• Improved file duration calculation affected by "duration.recalc_on_open" property
• Added dynamic rate control feature to improve network streams playback

MMixer

• Fixed drops when webcam is being disconnected
• Fixed borders bug when item is partly outside of the scene and borders width < 0
• Fixed mask issue when image was used as input source

WebRTC

• Fixed preview closing bug
• Fixed WebRTC object closing when network was disconnected
• Fixed peer mode checking

MFDevice_I

• Disabled compilation optimization

MFDevice_DC2R

• Updated DeltaCast SDK\Drivers to version 6.03
• Fixed x64 compilation problem

1.7.1.9423 - June 20, 2017

MLive

• Fixed losing "line-in" value after closing and opening live object
• Fixed high CPU load when is selected as video device
• Fixed FormatVideoGetCount() method. It was returning incorrect formats count when device was closed

MFile

• Fixed in/out setting logic (e.g., if out position is out greater than file duration)
• Fixed audio buffer overflow during receiving of RTSP stream with network errors
• Fixed freezing issue after reconnecting to network stream
• Added 'reset_buffers' property to handle network streams better

MWriter

• Improved CBR mode for Nablet UDP streaming
• Fixed DNxHD format settings

MFDevice_I_R

• Fixed DevceShowProps method for Blackmagic devices. It will now start Blackmagic Desktop Video Setup utility
• Fixed receiving of Line21 when AFD/ANC packet is found in frame
• Fixed support for user bits in M_TIMECODE for Decklink cards

MFDevice_AJA2

• Added Timecode receiving feature
• Fixed isBusy parameter to prevent using the same output device multiple times at once. Now returning correct device state.
• Fixed device closing bug when several AJA devices work simultaneously

MRendererNDI

• Added YUY2->UYVY/HDYC conversion to handle input video from WebCams

MFOverlayHTML

• Fixed some crash issues

WebRTC

• Added H.264 hardware encoding (NVEnc) and single encoding for all outcoming streams
• Added ability to capture incoming h.264 frames without decoding
• Fixed deadlock bug during reconnect
• Added events for indication of reconnect attempt
• Added ability to enable/disable audio processing (previously processing was disabled)
• Fixed MWebRTC_Plugin class dropping frames bug (when not logged in)
• Added ability to disable auto-reconnect to signaling server

MFDeviceSCR

• Added "capture.dup_max_count" property to re-initialize screen capture after an exact amount of duplicating frames (e.g. if screen capturing was interrupted by UAC message)

1.7.1.9351 - May 10, 2017

WebRTC

• Updated signaling server address (https://rtc.medialooks.com:8889) in samples and web pages

1.7.1.9295 - April 21, 2017

Common

• Improved HDYC+RGB conversion
• Improved bottom-top ARGB conversion
• Fixed distortion issue when cropping is enabled
• Added percentage based cropping
• Fixed CC corruption bug if XDS data present
• Improved audio only conversion

MLive

• Added support of mixing key and fill input signals
• Fixed issue when MLive is inside playlist
• Fixed iniе problem when is selected as video and audio devices
• Fixed PersistLoad() method
• MPlaylist
• Fixed freezing problem when single item is being played in loop mode
• Fixed seeking bug after pausing on the last frame
• Fixed events deque overflow and events dropping bug
• MWriter
• Added support for capturing DPX/PNG image sequences
• Added WAV capturing support
• Nablet UDP Streaming

MFDevice_I

• Fixed BMD devices initialization issue
• Added 4:4:4 video input support for BMD
• Fixed CC output in NTSC format (Line 21) for BMD devices

MMixer

• Fixed loop mode problem
• Fixed problems with mirroring and rotation

MFDevice_AJA2

• Added support of 2K/4K output

Chromakey

• Fixed key detection bug during undo/redo sequence

Character Generator

• Fixed problem caused by '?' symbol in an image path

WebRTC

• Improved output of incoming stream (audio video rates stabilization)
• Added statistics for peer connections
• Fixed reconnect issue
• Added custom info for peers on signaling server

Screen Capture

• Added performance optimization if there are no changes on screen

1.6.12.9207 - March 17, 2017

Common

• Fixed bug related to conversion and overlaying images with mask (for e.g. chroma-keyed images)
• Fixed overlaying of ARGB32 images

MPlaylist

• Fixed PlaylistBackgroundSet() method
• Fixed PlaylistStop() and PlaylistRemove() methods to be safely called on uninitialized playlist
• Fixed no output bug if playlist was started with mp:// links only
• Added support of relative paths via 'relative_path'=true passed as parameter to PesistSaveToFile() method
• Fixed background freezing problem after removing last played file

MFile

• Added
• Fixed DV MOV playback with 'dv' tag
• Fixed FilePosGet() method that returned returned zero incorrectly
• Fixed freeze issue when calling Close() method under certain conditions
• Fixed freeze issue when opening corrupted RTMP stream
• Improved MPEG-DASH streams playback

MLive

• Added support for 'mask' device to implement fill & key capturing

MMixer

• Fixed bug with setting the same mp:// link as background
• Added support of relative paths via 'relative_path'=true passed as parameter to PesistSaveToFile() method

MFDevice_AJA2

• Increased output frame buffer (3 frames) to prevent drops
• Fixed reference mode for AJA2 renderer
• Fixed output stopping bug when one more MRenderer was initialized
• Updated to latest AJA drivers
• Fixed issue with opening busy device

MFDevice_I

• Fixed flickering problem on input when Ref device is used

NDI

• Updated to the newest NewTek NDI SDK v2.0

WebRTC

• Fixed frame rate control

HTMLPlugin

• Added flash support (requires installed PPAPI Flash plugin for Chrome)

1.6.9.9142 - February 17, 2017

• Improved internal XML parsing and it's thread safety.
• Updated FFmpeg to latest stable version: N-83458-g53234b9 (09.02.2017).
• Added support for Skype and other third-party applications to Medialooks virtual devices.
• Added Visual Basic .NET, Delphi and C++ samples (WebRTC, HTML5 Plugin).

MPlaylist:

• Fixed infinite loop bug (when removing the file before "last" command).
• Improved playlist stability.

MFile:

• Fixed "out_point.mode" property behavior when being set to 'wait'.
• Added 'loop' option for "out_point.mode" property.

MLive:

• Fixed high CPU issue load if no video, audio or external audio was selected.

MMixer: * Fixed wrong mask for ChromaKey in HDYC mode.MPreview:

• Fixed losing audio after EndOfStream().
• Fixed 240 fps video playback.

MWriter:

• Fixed buffer overflow and FPS drops during MPEG capturing.

MFDevice_I:

• Added CC receiving and output features for AJA cards.
• Removed unnecessary time corrections (if FPS correction is required).
• Added device names resolver (DV devices).

MFDevice_SL:

• Fixed bug with MS4 cards (initialization failure).
• Updated to last version of drivers.

MFDevice_BF:

• Added audio muting on pause.

Chroma Key Plugin:

• Fixed "ladder" effects and incorrect luma order.
• Improved spill correction logic.
• Fixed key spill in a border zone.
• Improved auto key detection algorithm.
• Fixed distortion on cropped images.
• Added "detect.borders" and "detect.similarity" properties.

HTML5 Plugin:

• Fixed bug caused by spaces in file names.
• Fixed bug with autoscrolling on page loading.

1.6.7.9089 - February 02, 2017

• Fixed minor bug on initialization of "None" video device.

1.6.7.9088 beta - February 02, 2017

• Fixed aspect ratio bug in transitions.
• Added ability to create frames from planar formats (NV12, I420, YV12).
• Improved statistics for objects.

MFile:

• Fixed freeze issue in files containing streams with chapter thumbnails.
• Fixed first frame bug on replaying of MXF file.
• Fixed LXF files duration calculation (1 less frame).
• Fixed seeking problem in AVI files with a disabled video stream.
• Fixed bug in UDP/RTMP reconnects when a reader was stopped.

MPlaylist:

• Fixed "pause_last" playlist command that caused video freezing.
• Fixed audio loss issue caused by seeking immediately after switching to another file.
• Fixed audio bug in MTS files playback.
• Improved playlist loop when there is a single file to be played.
• Improved file switching performance.

MLive:

• Fixed audio and video frames drops during frame rate conversion.
• Fixed bug in live sources with MJPEG format.
• Fixed bug related to switching from to regular live source.

MMixer:

• Fixed bug in chroma keying caused by a mask of negative width.

MWriter:

• Fixed NVENC crash on certain systems.

MWebRTC:

• Changed encoders/bitrate setting logic (encoders and bitrate are always set by a peer that initializes connection).
• Added reconnect feature.
• Fixed fast re-offer issue (when a previous connection wasn't yet closed).

MFDevice_I:

• Fixed overflow problem with Blackmagic H.264 Pro Recorder.
• Fixed IP camera problem when used with the [http://alax.info/blog/1216 Alax DirectShow filter].
• Fixed rare crash on device closing.

MFPrint:

• Fixed negative position handling.

MFDeviceNDI:

• Fixed NDI bug related to receiving audio only.

MPlugins:

• Fixed Chroma Key Plugin crash when it is instantiated in another process.

1.6.2.8879 - December 19, 2016

• Added MPluginHTML for displaying web pages.
• Fixed doubling CC during rate conversion from I to P.
• Fixed releasing of frames when calling MFile::ObjectClose().
• Added IMCallback interface for plugins.
• Fixed rotate, crop, mirror conversions without scaling.
• Improved 50i to 59i and other conversions.
• Added internal buffering to objects implementing IMSource.
• Fixed minor memory leak problems.

MPlaylist:

• Fixed in/out pointы for mp:// links.
• Fixed mp:// links wrong start time right after adding.
• Fixed experimental.buffers property when working in loop mode.
• Fixed audio only to video only transitions.
• Fixed first audio frame problem (if out point is bigger than duration).
• Fixed loading of playlists containing relative paths.
• Fixed image sequences issue.

MFDevice_I:

• Fixed BMD audio output.
• Fixed audio/video async issues on certain WEB cams with video.correct-fps=true propety.
• Added audio only output for BMD Renderer.
• Improved CC embedding algorithm.
• Fixed BMD 608 to 708 closed captions conversion.
• Fixed losing of a signal on some DirectShow devices.
• Fixed closed captions disappearing in pause mode.
• Fixed AJA implementation.
• Fixed MJEG cameras in isolated mode.
• Fixed BMD device reinitialization after choosing the same device in second MLive.

MFDeviceNDI:

• Fixed reinitialization bug when specifying the same line-in.
• Fixed memory overflow after NDI reconnection.
• Fixed sending and receiving audio only streams.

MFDeviceBF:

• Added 608, 708 closed captions receiving.

MLive:

• Added 'bmd.h264' recoder property.
• Fixed crash caused by LTC.
• Improved external audio quality.

MComposer:

• Fixed alpha mixing issue.

MDelay:

• Fixed memory only mode.
• Fixed insufficient memory handling.

MPreview:

• Fixed 'audio_channels', 'audio_gain' properties.
• Added 'audio_renderer' attribute info.
• Fixed preview bug when no audio device is specified.
• Fixed audio issue when more than 10 channels are being played.

WebRTC:

• Added TURN server support.
• Added ability to get an internal WebRTC object from MLive/MRenderer.

MFileFFM:

• Fixed MXF duration calculation bug.
• Fixed incorrect seeking on the last frame.
• Fixed wrong DXVA2 enabling.
• Fixed freezing issue during reverse playback of files.
• Fixed crash when decoding DV files.
• Fixed Omneon DVCPRO50 playback.
• Added SCTE-104 string messages.
• Fixed first frames corruption issue in WMV files if 'duration.recalc_on_open' is enabled.
• Fixed AVI seeking issue.
• Fixed UDP/RTMP reconnection problems.
• Fixed wrong playback rate on some files.
• Fixed audio async problem when GOP is too big.
• Fixed skipping of the first packet during decoding.
• Added support for saving/loading indexes for MXF files.
• Fixed bottom-top ARGB files playback.
• Fixed crash on RGB24 video decoding.
• Fixed wrong codec reinitialization problem.

MWriterFFM:

• Fixed custom ANC data capturing bug.
• Fixed DVCPRO50 capturing.
• Fixed crash issue on encoding.
• Fixed removing of .IDX files when encoding fails to start.
• Fixed file creation bug if a folder was specified incorrectly.
• Fixed growing files playback feature for MP4.
• Fixed audio capturing in paused state.
• Fixed NVEnc GOP size.

MChromaKey:

• Fixed freezing issues.

Character Generator:

• Fixed scheduling bug (when there is no items).
• Fixed top-video option.

1.6.2.8858 beta - December 15, 2016

• The first version of the MFOverlayHTML plugin.