> My first attempt wasn't very successful
What result did you expect, and what was the actual result?
On Thursday, December 30, 2021, 12:28:42 PM CST, José María García Pérez
<josemaria.alk...@gmail.com> wrote:
I wasn't aware about Shotcut doing so. Good to know.
My first attempt wasn't very successful. I did the following:# nim c
--threads:on -r ex23_loader_videoimport mltimport oslet f =
initFactory("/usr/lib/mlt-7")
# Create the consumerlet p = newProfile("hdv_720_50p")var sdl =
newFactoryConsumer(p, "sdl2")
sdl["terminate_on_pause"] = 1 # Stop the consumer when finished
# Create via the default producervar clip1 = p.newMedia(
"./resources/sygic.mp4")
var filter = newFactoryFilter(p, "affine")filter["transition.fill"] =
1filter["transition.distort"] = 0filter["transition.rect"] = "339.703 126.468
1430.3 953.532 1"filter["transition.valign"] =
"middle"filter["transition.halign"] = "center"filter["transition.threads"] =
0filter["transition.fix_rotate_x"] = 340.0
#[ <property name="background">color:#00000000</property> <property
name="mlt_service">affine</property> <property
name="shotcut:filter">affineSizePosition</property> <property
name="transition.fill">1</property> <property
name="transition.distort">0</property> <property name="transition.rect">339.703
126.468 1430.3 953.532 1</property> <property
name="transition.valign">middle</property> <property
name="transition.halign">center</property> <property
name="shotcut:animIn">00:00:00.000</property> <property
name="shotcut:animOut">00:00:00.000</property> <property
name="transition.threads">0</property> <property
name="transition.fix_rotate_x">340.304</property>
]#clip1.attach(filter)clip1 > sdl
sdl.start # Start the consumer
while not sdl.stopped: sleep(1)
Do you spot something obvious that might be wrong?
El jue, 30 dic 2021 a las 18:52, Dan Dennedy (<d...@dennedy.org>) escribió:
You can use a tool like Shotcut and study it’s XML output to understand the
properties for a filter. The affine filter is called Size, Position & Rotate.
To get the XML use File > Save.
On Thu, Dec 30, 2021 at 9:47 AM José María García Pérez
<josemaria.alk...@gmail.com> wrote:
I don't understand how to use the affine filter:
https://www.mltframework.org/plugins/FilterAffine/#transition
Could you post a basic C example using it? It would be nice to cover both the
static and an animation case.
I had the following example about using a filter using Nim:import mlt, osvar f
= initFactory()
# Create the default consumervar p = newProfile()var sdl =
newFactoryConsumer(p, "sdl2")
# Create via the default producervar clip = newFactoryProducer(p, resource =
"avformat:/home/jose/Descargas/sygic.mp4")
var filter = newFactoryFilter(p, "frei0r.pixeliz0r")filter["BlockSizeX"] =
0.1filter["BlockSizeY"] = 0.2
clip.attach( filter )clip > sdl
# Start the consumersdl.start
while not sdl.stopped: sleep(1)_______________________________________________
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