MLT - v7.22.0 released

Nov 28, 2023

The highlight of this release is support animation easing functions via new keyframe types. Also, new versions of the smooth keyframe type is added that avoids overshoots and cusps.

Framework

Added new functions:
- mlt_property_is_color()
- mlt_property_is_numeric()
- mlt_property_is_rect()
Many new keyframe types:
- mlt_keyframe_smooth_loose - ~= (same as old mlt_keyframe_smooth - Unity Catmull-Rom spline)
- mlt_keyframe_smooth_natural - $= (Centripetal Catmull-Rom spline with natural slope)
- mlt_keyframe_smooth_tight - -= (Centripetal Catmull-Rom spline with 0 slope)
- mlt_keyframe_sinusoidal_in - a=
- mlt_keyframe_sinusoidal_out - b=
- mlt_keyframe_sinusoidal_in_out - c=
- mlt_keyframe_quadratic_in - d=
- mlt_keyframe_quadratic_out - e=
- mlt_keyframe_quadratic_in_out - f=
- mlt_keyframe_cubic_in - g=
- mlt_keyframe_cubic_out - h=
- mlt_keyframe_cubic_in_out - i=
- mlt_keyframe_quartic_in - j=
- mlt_keyframe_quartic_out - k=
- mlt_keyframe_quartic_in_out - l=
- mlt_keyframe_quintic_in - m=
- mlt_keyframe_quintic_out - n=
- mlt_keyframe_quintic_in_out - o=
- mlt_keyframe_exponential_in - p=
- mlt_keyframe_exponential_out - q=
- mlt_keyframe_exponential_in_out - r=
- mlt_keyframe_circular_in - s=
- mlt_keyframe_circular_out - t=
- mlt_keyframe_circular_in_out - u=
- mlt_keyframe_back_in - v=
- mlt_keyframe_back_out - w=
- mlt_keyframe_back_in_out - x=
- mlt_keyframe_elastic_in - y=
- mlt_keyframe_elastic_out - z=
- mlt_keyframe_elastic_in_out - A=
- mlt_keyframe_bounce_in - B=
- mlt_keyframe_bounce_out - C=
- mlt_keyframe_bounce_in_out - D=
Fixed missing support for mlt_service_transition in Mlt::Producer() C++ constructor.

Modules

Fixed rotoscoping filter crash on image with height = 0.
Fixed crashed due to qtblend transition requesting an image of 0 width or height.
Added support for RtAudio 6 in the rtaudio consumer.
Fixed createdate keyword deletes preceeding text in dynamictext filter.
Added opacity property to filters that use qtext:
- dynamictext
- gpstext
- qtext
- timer
Added fade_video, fade_audio, and fade_color properties to autofade filter.
Added backwards compatibility for changed filter names in frei0r v2.3.1:
- frei0r.measure_pr0be
- frei0r.measure_pr0file
- frei0r.tehroxx0r
- frei0r.alpha0ps_alpha0ps
- frei0r.alpha0ps_alphagrad
- frei0r.alpha0ps_alphaspot
- frei0r.denoise_hqdn3d
Fixed a memory leak in avformat producer with consumer deinterlacer=yadif.
Fixed qimage producer color if consumer color_range=pc pix_fmt=yuv444p.

Other

Fixed ten_bit/ProRes 422 avformat preset produced ProRes 444.
Fixed YouTube avformat preset did not output high profile with some hardware encoders.

v7.22.0 released

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