MLT - v6.14.0 released

Mar 30, 2019

You can download it from GitHub.

This version is mostly fixes plus a few API additions and filters.

Framework

Added mlt_profile_lumas_dir().
Added mlt_frame_get_unique_properties().
Added mlt_playlist_reorder() and Mlt::Playlist::reorder().
Added some new convenience constructors to mlt++
- Producer(mlt_profile profile, const char *id, const char *service = NULL)
- Consumer(mlt_profile profile, const char *id , const char *service = NULL)
- Transition(mlt_profile profile, const char *id, const char *arg = NULL)
- Filter(mlt_profile profile, const char *id, const char *service = NULL)
- Tractor(mlt_profile profile, char *id, char *arg = NULL)
Added Mlt::Transition::connect(Service&).
Added unit tests for mlt_playlist.
Fixed a crash on invalid transition track values in mlt_transition.
Fixed a deadlock regression in v6.12.0 of mlt_consumer when starting from a paused state (producer speed=0).

Modules

The avformat module now requires at least FFmpeg v2.4 or Libav 12.
Added mask_start and mask_apply filters to the core module.
Added qtext filter to qt module.
Changed dynamictext and timer filters to use qtext.
Fixed number of digits for seconds in timer filter.
Added mlt_image_format property to color producer.
Improved color accuracy of libswscale RGB->YUV conversion.
Fixed frei0r producers not working with tractor.
Fixed decklink consumer stalling on dropped frames.
Generate lumas for 16:9, 9:16 (vertical), and square aspect ratios.
Fixed crash in qimage when alpha_size is zero.
Fixed the mlt_consumer channels property not being passed to multi consumer.
Fixed the shape filter for full range color and crashes.
Converted the shape filter to use mlt_animation.
Added a use_mix property to the shape filter.
Fixed invert=1 and mix=100 gives wrong image in shape filter.
Fixed a possible free null pointer in the linsys sdi consumer.
Fixed using destroyed temporary object in qimage.
Fixed a possible null pointer dereference in the spot_remover filter.
Fixed memory leak on swr_convert() failure in swresample filter.
Fixed possible null pointer dereference in affine when not using rect.
Fixed loading image sequence on Windows in qimage.
Fixed some null pointer crashes using Movit opengl services.
Fixed sdl2 consumer crashes during initialization on Linux or BSD.
Fixed distorted image using melt_file.
Fixed qimage build on Qt version < 5.5.
Added offset property to the timer filter.
Changed the boxblur hori & vert properties’ minimum to 0.
Fixed crash in duplicate frame on rotated videos.
Added automatic scaling and padding to avfilter.
Fixed field order when encoding progressive as interlace.
Fixed frei0r plugins to use the number of slices from the threads property.
Fixed over compositing with transparent clips in luma transition.
Added sliced processing to dissolve-with-alpha using the threads property.
Added createdate keyword to dynamictext filter.
Fixed possible crash changing audio_index in avformat producer.
Fixed small memory leaks in xml consumer, jackrack, and timewarp producer.
Fixed compiling opencv module with OpenCV > 3.

Other

Added vertical video profiles:
- vertical_hd_30
- vertical_hd_60
Mlt++ now requires C++11 compiler support.
Added --disable-windeploy to configure to keep bin & lib folders on Windows.
Added support for consumer in & out to melt.
Fixed color accuracy of lossless/Ut Video preset and use pix_fmt yuv422p.
Fixed lossless/H.264 preset to use crf=0.
Fixed compiling with mingw32.
Fixed build with Python 3.

v6.14.0 released

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