Textsub don't work together with blankclip

[nel-son]

Hi,

i have to replace a part of a video with blankclip show subtitles at that part of the video. But textsub don't work. This is the script

v = FFVideoSource("input.mkv", threads=1)
a = FFAudioSource("input.mkv")
z = AudioDub(v,a)
x = z.trim(0,7182)
y = blankclip(length=137, fps=25.000, width=1920, height=1080, pixel_type="yv12", channels=6, audio_rate=48000, color=$d4d0c8)
w = z.trim(7321,0)
return x+y+w
textsub("subtitles.ass")

This works:

v = FFVideoSource("input.mkv", threads=1)
a = FFAudioSource("input.mkv")
AudioDub(v,a)
textsub("subtitles.ass")

What is the problem with blankclip? Or is there an other problem that i don't see?

nel-son

[videoh]

Change it to this:

v = FFVideoSource("input.mkv", threads=1)
a = FFAudioSource("input.mkv")
z = AudioDub(v,a)
x = z.trim(0,7182)
y = blankclip(length=137, fps=25.000, width=1920, height=1080, pixel_type="yv12", channels=6, audio_rate=48000, color=$d4d0c8).textsub("subtitles.ass")
w = z.trim(7321,0)
return x+y+w

You were returning before applying textsub().

[StainlessS]

v = FFVideoSource("input.mkv", threads=1)
a = FFAudioSource("input.mkv")
z = AudioDub(v,a)
x = z.trim(0,7182)
y = z.blankclip(length=137, color=$d4d0c8).textsub("subtitles.ass") # Use z clip as template for blankclip
w = z.trim(7321,0)
return x+y+w

This would be easier, in future, use only Blankclip specific args, others default as z clip. [untested]

[hello_hello]

It'd also be easier to dump FFVideoSource and FFAudioSource, assuming the video and audio are from the same source and they're not being edited separately.

And should there be alignment of the splicing? (++ rather than +)
http://avisynth.nl/index.php/Splice

Clip = FFMS2("input.mkv", threads=1, atrack=-1)

Clip.Trim(0,7182) ++ \
BlankClip(Clip, color=$d4d0c8).Trim(0,136).textsub("subtitles.ass") ++ \
Clip.Trim(7321,0)

[StainlessS]

And should there be alignment of the splicing? (++ rather than +)

Trim() both chops excessive and pads deficient audio, so makes no difference either way (++ or +).