problems with RGB48 preview in l-smash source.

[changhao fu]

vapoursynth r35

VS Editor r12

L-SMASH-Works-r918-20161205-64bit

https://www.dropbox.com/sh/3i81ttxf028m1eh/AAABkQn4Y5w1k-toVhYLasmwa?dl=0

code example

import vapoursynth as vs
import sys
core = vs.get_core(accept_lowercase=True,threads=1)
a = r"F:\遊魂 2 -you're the only one- 遊戲開場動畫（中文字幕版）.mp4"
res = core.lsmas.LWLibavSource(a,threads = 1,format = "RGB48")

When use Check script is says:

Script was successfully evaluated. Output video info:
Frames: 6928 | Time: 0:01:55.467 | Size: 1920x1080 | FPS: 60/1 = 60 | Format: RGB48

And it worked the benchmark well.

But in preview it said:

Error on frame 0 request:
Resize error 1026: RGB color family cannot be YUV
Error on frame 1728 request:
Resize error 1026: RGB color family cannot be YUV

[Aleksey Lyashin]

Thank you for the provided L-SMASH builds.

I could not reproduce your problem with my video source.

Please provide your source video to test.

With your description, the only way for this to happen I can think of is the frames of your video having individual properties that confuse the resize plugin used for previewing frames.

[changhao fu]

https://www.youtube.com/watch?v=GrPg3fNvRMQ DDL: https://mega.nz/#!UAwngb4R!UWIodtE13GDxMjPtiQKD3szbEo9hzD5UtJ460qa2gYY

[Aleksey Lyashin]

Thank you. The bug does appear with the provided video. Shall investigate.

[Aleksey Lyashin]

Confirmed. lsmas doesn't set proper "_Matrix" property on format conversion. Don't use "format" property. Use this code instead:

src_file = r"D:\vstests\遊魂 2 -you're the only one- 遊戲開場動畫（中文字幕版）.mp4"
src = core.lsmas.LWLibavSource(src_file, threads = 1)
src = core.resize.Spline16(src, format=vs.RGB48)

[Aleksey Lyashin]

L-SMASH bug.