Alpha Chanel ? transparency in video

[djmisterjon]

Hello I have a question that bothers me.
I work a lot in the development of APP

Sometimes I need to make video editing in some project.
With after effect, it's easy to use an Apple codec (.Mov) to get Alpha Chanel on render video.

It allows me to use an ALPHA layer for background.
Very useful in some context of FX.
But the issue is that!
the .mov are rarely compatible with some engine and if yes, is very low compression.!

My big question, is there any other container or codec that can allow the Alpha layer?
I would like to be able to use a video X.264 or H.265 or other, with a transparent background,
do you have any suggestion or an answer to bring me?

Thank you very much for your answers.

PS: I would like to try integrate a video with transparent background in an HTML project that uses Pixi.js
also Node.JS

[poisondeathray]

Which app, which engine, which software, which platform do you need compatibility with ?

A workaround might be to use 2 layers (one with alpha matte) . For example ,some browsers use this "hack" method for HTML5

besides MOV formats (you can use animation codec, or PNG in MOV) :

image sequences support alpha channel (exr, png, tiff)

some codecs with avi container formats support alpha with lossless compression (eg. lagarith, ut video codec), some near-lossless eg. cineform . But "AVI" is more windows friendly, less mac and linux friendly format.

vp9 supports alpha (webm), but only on some versions of chrome . Wide support for HTML5 alpha isn't there yet (use the matte hack)

[djmisterjon]

vp9 supports alpha (webm), but only on some versions of chrome . Wide support for HTML5 alpha isn't there yet (use the matte hack)

webm suport Alpha ! ho thank is the only format licence for node.js avaible.
I will give a try
i use staxrip for convert.
If you know how i can convert a .mov (with alpha) to .webm (with alpha) /
Il will check this.

thank a lot for fast

and yes i know the way with animation sprite cheet , with png

and my node JS app use Chromius so will try vp9

[poisondeathray]

There should be examples/instructions on google/chrome support websites

I check every few months and just now checked - and alpha displays correctly in firefox 53 now too, so maybe it's becoming more widely supported

I haven't had a chance to test in detail or on different OS , or other browsers but it should be something like this
eg. (no audio)

ffmpeg -i input.mov -c:v libvpx-vp9 -pix_fmt yuva420p  -an output.webm

[djmisterjon]

I have just passed several tests, but I can not.
The footage always plays with a background.

ffmpeg -i input.mov -c:v libvpx-vp9 -pix_fmt yuva420p  -an output.webm

Which app, which engine, which software, which platform do you need compatibility with ?

vp9 supports alpha (webm), but only on some versions of chrome . Wide support for HTML5 alpha isn't there yet (use the matte hack)

do i miss somthing in the conversion ?
Here is the actual convertion proprety from .mov(alpha) to VP9(alpha?)
I note that VP9 does not seem to take rgba

-c:v libvpx-vp9 -speed 3 -threads 8 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -aspect 5 -an -y -hide_banner

here the code i use to insert video in the projet

        
var videoTexture = PIXI.Texture.fromVideo('video/3e453h.webm'); // video dir
        var vidControl = videoTexture.baseTexture.source; //control video
        var videoSprite = new PIXI.Sprite(videoTexture); // inject video in sprite

i have acces to some method here
https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement

I do not know if it's a property that needs to be activated, or just my conversion that is not good.
thank a lot for help

here the original file .mov, if soem can try to get alpha with.
https://mega.nz/#!9AghRRzC!rSRuDAYw8ZBnrWXFDLizHDZfO65SSkTafcFmybfEIIA

[djmisterjon]

i also try with this parameter
-pix_fmt rgba

but is not work

[poisondeathray]

Yes, only yuva420p (4:2:0 subsampled with alpha) is supported, not RGBA . You might need to specify -pix_fmt yuva420p explicitly as in the example commandline above, staxrip might have discarded the alpha

vp9 with valid alpha works in FF 53+ ok

ffmpeg -i "test alpha fire.mov" -pix_fmt yuva420p -c:v libvpx-vp9 -crf 18 -b:v 0 test_alpha_fire.webm

[djmisterjon]

Yes, only yuva420p (4:2:0 subsampled with alpha) is supported, not RGBA . You might need to specify -pix_fmt yuva420p explicitly as in the example commandline above, staxrip might have discarded the alpha

vp9 with valid alpha works in FF 53+ ok

ffmpeg -i "test alpha fire.mov" -pix_fmt yuva420p -c:v libvpx-vp9 -crf 18 -b:v 0 test_alpha_fire.webm

Oh thank a lot friend!, your file work in my project. !!!
But I just test your command line above, and unfortunately it does not work.
How have you perform this in this software.
I started learn staxrip , so I confessam little bite lost one !!
It would be really great if you could guide me.

i need to put the command line here ?

[poisondeathray]

I used ffmpeg directly

I don't use staxrip, but it looks like the command -pix_fmt yuva420p is passed in your screenshot

Is there a log file anywhere ? Post the log file

It might be that the bundled ffmpeg version in staxrip isn't using up to date libvpx

[djmisterjon]

It might be that the bundled ffmpeg version 3.3.2 in staxrip isn't using up to date libvpx

ok i just got download last one and replace the ffmpeg.exe by the new version.
in \StaxRip-x64-1.5.0.0\Apps\ffmpeg
but not seem work, i have alway black background after encode

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
      _________ __                __________.__        
     /   _____//  |______  ___  __\______   \__|_____  
     \_____  \\   __\__  \ \  \/  /|       _/  \____ \ 
     /        \|  |  / __ \_>    < |    |   \  |  |_> >
    /_______  /|__| (____  /__/\_ \|____|_  /__|   __/ 
            \/           \/      \/       \/   |__|   

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                        Environment
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

StaxRip    : 1.5.0.0
Windows    : Windows 10 Pro 1703
Language   : French (Canada)
CPU        : Intel(R) Core(TM) i7 CPU         920  @ 2.67GHz
GPU        : NVIDIA GeForce GTX 1070
Resolution : 1920 x 1080
DPI        : 120

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                   Source file MediaInfo
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

C:\Users\jonle\Desktop\test01.mov

General
Complete name               : C:\Users\jonle\Desktop\test01.mov
Format                      : MPEG-4
Format profile              : QuickTime
Codec ID                    : qt   2005.03 (qt  )
File size                   : 1.08 MiB
Duration                    : 2 s 583 ms
Overall bit rate mode       : Variable
Overall bit rate            : 3 505 kb/s
Encoded date                : UTC 2016-10-16 23:57:18
Tagged date                 : UTC 2016-10-16 23:57:21
Writing library             : Apple QuickTime
©TIM                        : 0
©TSC                        : 12
©TSZ                        : 1

Video
ID                          : 1
Format                      : PNG
Format/Info                 : Portable Network Graphic
Codec ID                    : png
Duration                    : 2 s 583 ms
Bit rate mode               : Variable
Bit rate                    : 1 750 kb/s
Width                       : 1 444 pixels
Height                      : 624 pixels
Display aspect ratio        : 2.35:1
Frame rate mode             : Constant
Frame rate                  : 12.000 FPS
Compression mode            : Lossless
Bits/(Pixel*Frame)          : 0.162
Stream size                 : 552 KiB (50%)
Title                       : Îáðàáîò÷èê âèäåî Apple / Îáðàáîò÷èê ïñåâäîíèìîâ Apple
Language                    : English
Encoded date                : UTC 2016-10-16 23:57:18
Tagged date                 : UTC 2016-10-16 23:57:21

Audio
ID                          : 2
Format                      : PCM
Format settings, Endianness : Little
Format settings, Sign       : Signed
Codec ID                    : sowt
Duration                    : 2 s 583 ms
Source duration             : 2 s 917 ms
Bit rate mode               : Constant
Bit rate                    : 1 536 kb/s
Channel(s)                  : 2 channels
Channel positions           : Front: L R
Sampling rate               : 48.0 kHz
Bit depth                   : 16 bits
Stream size                 : 484 KiB (44%)
Source stream size          : 547 KiB (49%)
Title                       : Îáðàáîò÷èê çâóêà Apple / Îáðàáîò÷èê ïñåâäîíèìîâ Apple
Language                    : English
Encoded date                : UTC 2016-10-16 23:57:18
Tagged date                 : UTC 2016-10-16 23:57:21

Other
ID                          : 3
Type                        : Time code
Format                      : QuickTime TC
Duration                    : 2 s 583 ms
Time code of first frame    : 00:00:00:00
Time code, striped          : Yes
Title                       : Îáðàáîò÷èê âðåìåííîãî êîäà / Îáðàáîò÷èê ïñåâäîíèìîâ Apple
Language                    : English
Encoded date                : UTC 2016-10-16 23:57:21
Tagged date                 : UTC 2016-10-16 23:57:21

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
             Demux audio using ffmpeg 3.2.2 x64
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\ffmpeg\ffmpeg.exe" -i "C:\Users\jonle\Desktop\test01.mov" -vn -sn -y -hide_banner -c:a pcm_s16le "C:\Users\jonle\Desktop\test01_temp\test01 ID2 English Îáðàáîò÷èê çâóêà Apple _ Îáðàá.wav"

[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000006524a0] Using non-standard frame rate 12/1
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\jonle\Desktop\test01.mov':
Metadata:
major_brand     : qt
minor_version   : 537199360
compatible_brands: qt
creation_time   : 2016-10-16T23:57:18.000000Z
Duration: 00:00:02.58, start: 0.000000, bitrate: 3504 kb/s
Stream #0:0(eng): Video: png (png  / 0x20676E70), rgba(pc), 1444x624 [SAR 2834:2834 DAR 361:156], 1750 kb/s, 12 fps, 12 tbr, 12 tbn, 12 tbc (default)
Metadata:
creation_time   : 2016-10-16T23:57:18.000000Z
handler_name    : ���������� ����������� Apple
encoder         : PNG
timecode        : 00:00:00:00
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time   : 2016-10-16T23:57:18.000000Z
handler_name    : ���������� ����������� Apple
timecode        : 00:00:00:00
Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
Metadata:
creation_time   : 2016-10-16T23:57:21.000000Z
handler_name    : ���������� ����������� Apple
timecode        : 00:00:00:00
Stream mapping:
Stream #0:1 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, wav, to 'C:\Users\jonle\Desktop\test01_temp\test01 ID2 English Îáðàáîò÷èê çâóêà Apple _ Îáðàá.wav':
Metadata:
major_brand     : qt
minor_version   : 537199360
compatible_brands: qt
ISFT            : Lavf57.76.100
Stream #0:0(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time   : 2016-10-16T23:57:18.000000Z
handler_name    : ���������� ����������� Apple
timecode        : 00:00:00:00
encoder         : Lavc57.102.100 pcm_s16le
size=     487kB time=00:00:02.59 bitrate=1536.2kbits/s speed=200x
video:0kB audio:487kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.015641%

Start:    11:01:46
End:      11:01:47
Duration: 00:00:01

General
Complete name               : C:\Users\jonle\Desktop\test01_temp\test01 ID2 English Îáðàáîò÷èê çâóêà Apple _ Îáðàá.wav
Format                      : Wave
File size                   : 487 KiB
Duration                    : 2 s 597 ms
Overall bit rate mode       : Constant
Overall bit rate            : 1 536 kb/s
Writing application         : Lavf57.76.100

Audio
Format                      : PCM
Format settings, Endianness : Little
Format settings, Sign       : Signed
Codec ID                    : 1
Duration                    : 2 s 597 ms
Bit rate mode               : Constant
Bit rate                    : 1 536 kb/s
Channel(s)                  : 2 channels
Sampling rate               : 48.0 kHz
Bit depth                   : 16 bits
Stream size                 : 487 KiB (100%)

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                    Index with ffmsindex
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\Plugins\both\ffms2\ffmsindex.exe" C:\Users\jonle\Desktop\test01.mov C:\Users\jonle\Desktop\test01_temp\test01.ffindex

Writing index... done.

Start:    11:01:47
End:      11:01:48
Duration: 00:00:00

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                           Script
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

LoadPlugin("C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\Plugins\both\ffms2\ffms2.dll")
FFVideoSource("C:\Users\jonle\Desktop\test01.mov", colorspace = "YV12", \
              cachefile = "C:\Users\jonle\Desktop\test01_temp\test01.ffindex")
ConvertToYV12()
BicubicResize(1440, 624, 0, 0.5)

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                     Script Properties
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

source frame count : 31
source frame rate  : 12.000048
source duration    : 00:00:02.5830000
target frame count : 31
target frame rate  : 12.000048
target duration    : 00:00:02.5830000

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
            Encoding VP9 using ffmpeg 3.2.2 x64
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\ffmpeg\ffmpeg.exe" -i C:\Users\jonle\Desktop\test01_temp\test01.avs -c:v libvpx-vp9 -speed 1 -threads 8 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -pix_fmt yuva420p -an -y -hide_banner C:\Users\jonle\Desktop\test01_temp\test01_out.mkv

Input #0, avisynth, from 'C:\Users\jonle\Desktop\test01_temp\test01.avs':
Duration: 00:00:02.58, start: 0.000000, bitrate: 0 kb/s
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1440x624, 12 fps, 12 tbr, 12 tbn, 12 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> vp9 (libvpx-vp9))
Press [q] to stop, [?] for help
[libvpx-vp9 @ 000000000243a1e0] v1.6.1
Output #0, matroska, to 'C:\Users\jonle\Desktop\test01_temp\test01_out.mkv':
Metadata:
encoder         : Lavf57.76.100
Stream #0:0: Video: vp9 (libvpx-vp9) (VP90 / 0x30395056), yuva420p, 1440x624, q=-1--1, 200 kb/s, 12 fps, 1k tbn, 12 tbc
Metadata:
encoder         : Lavc57.102.100 libvpx-vp9
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
video:38kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 8.757689%

Start:    11:03:05
End:      11:03:20
Duration: 00:00:14

General
Complete name        : C:\Users\jonle\Desktop\test01_temp\test01_out.mkv
Format               : Matroska
Format version       : Version 4 / Version 2
File size            : 41.6 KiB
Duration             : 2 s 583 ms
Overall bit rate     : 132 kb/s
Writing application  : Lavf57.76.100
Writing library      : Lavf57.76.100 / Lavf57.76.100
ErrorDetectionType   : Per level 1

Video
ID                   : 1
Format               : VP9
Codec ID             : V_VP9
Duration             : 2 s 583 ms
Bit rate             : 129 kb/s
Width                : 1 440 pixels
Height               : 624 pixels
Display aspect ratio : 2.35:1
Frame rate mode      : Constant
Frame rate           : 12.000 FPS
Bits/(Pixel*Frame)   : 0.012
Stream size          : 40.8 KiB (98%)
Writing library      : Lavc57.102.100 libvpx-vp9
Default              : Yes
Forced               : No
DURATION             : 00:00:02.583000000

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
              Muxing using mkvmerge 12.0.0 x64
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\MKVToolNix\mkvmerge.exe" -o C:\Users\jonle\Desktop\test01.webm --no-audio --no-subs --no-chapters --no-attachments --no-track-tags --no-global-tags C:\Users\jonle\Desktop\test01_temp\test01_out.mkv --global-tags C:\Users\jonle\Desktop\test01_temp\test01_tags.xml --ui-language en

mkvmerge v12.0.0 ('Trust / Lust') 64bit
Automatically enabling WebM compliance mode due to destination file name extension.
'C:\Users\jonle\Desktop\test01_temp\test01_out.mkv': Using the demultiplexer for the format 'Matroska'.
'C:\Users\jonle\Desktop\test01_temp\test01_out.mkv' track 0: Using the output module for the format 'VP8/VP9'.
The file 'C:\Users\jonle\Desktop\test01.webm' has been opened for writing.
The cue entries (the index) are being written...
Multiplexing took 0 seconds.

Start:    11:03:20
End:      11:03:21
Duration: 00:00:01

General
Complete name        : C:\Users\jonle\Desktop\test01.webm
Format               : WebM
Format version       : Version 4 / Version 2
File size            : 45.6 KiB
Duration             : 2 s 583 ms
Overall bit rate     : 145 kb/s
Encoded date         : UTC 2017-07-30 15:03:21
Writing application  : mkvmerge v12.0.0 ('Trust / Lust') 64bit
Writing library      : libebml v1.3.4 + libmatroska v1.4.5

Video
ID                   : 1
Format               : VP9
Codec ID             : V_VP9
Duration             : 2 s 583 ms
Bit rate             : 132 kb/s
Width                : 1 440 pixels
Height               : 624 pixels
Display aspect ratio : 2.35:1
Frame rate mode      : Constant
Frame rate           : 12.000 FPS
Bits/(Pixel*Frame)   : 0.012
Stream size          : 41.6 KiB (91%)
Default              : Yes
Forced               : No

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                        Job Complete
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Start:    11:03:05
End:      11:03:21
Duration: 00:00:16

i add file Befor .Mov
and after .webm

.webm not have alpha work !

[poisondeathray]

FFVideoSource("C:\Users\jonle\Desktop\test01.mov", colorspace = "YV12", \
              cachefile = "C:\Users\jonle\Desktop\test01_temp\test01.ffindex")
ConvertToYV12()

This is your problem, it's discarding the alpha channel . It's using avisynth in the backend. It's sending YV12 (4:2:0, no alpha) to ffmpeg. You need to force it to keep RGBA until it gets sent to ffmpeg

[poisondeathray]

Can you edit the avs script in staxrip ? is there an avs script editing utility ?

Or, can you force another decoder ? In your screenshot for the GUI it says Decoder: avisynth/ vapoursynth . What are the other options ?

[djmisterjon]

yes i have a choice at start when import


but they seem have all same script code !

if try Automatique, is look like that
And if i force other mode i look at that.
Is javascript ???

[poisondeathray]

Do you have to use staxrip ?

I think you would have to make a custom template so it doesn't convert to YV12 automatically (thus discarding the alpha)

Maybe you can get stax to help out. Stax (the author) posts at doom9 and I think here too

Or just use ffmpeg directly, or maybe a different GUI

[poisondeathray]

e.g. For FFVideosource basically you would need colorspace = "RGB32" (in avisynth RGBA is denoted by RGB32) instead of "YV12" , and erase the ConvertToYV12() line . If you can rename the template or save a different one, so you don't overwrite the existing one

For LSmash you would need format = "RGB32", and erase the ConvertToYV12() line

[djmisterjon]

e.g. For FFVideosource basically you would need colorspace = "RGB32" (in avisynth RGBA is denoted by RGB32) instead of "YV12" , and erase the ConvertToYV12() line . If you can rename the template or save a different one, so you don't overwrite the existing one

For LSmash you would need format = "RGB32", and erase the ConvertToYV12() line

i try

FFVideoSource("%source_file%", colorspace = "YV24", \
              cachefile = "%source_temp_file%.ffindex")
ConvertToYV24()

i also try

FFVideoSource("%source_file%", colorspace = "RGB32", \
              cachefile = "%source_temp_file%.ffindex")

is not work

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
      _________ __                __________.__        
     /   _____//  |______  ___  __\______   \__|_____  
     \_____  \\   __\__  \ \  \/  /|       _/  \____ \ 
     /        \|  |  / __ \_>    < |    |   \  |  |_> >
    /_______  /|__| (____  /__/\_ \|____|_  /__|   __/ 
            \/           \/      \/       \/   |__|   

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                        Environment
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

StaxRip    : 1.5.0.0
Windows    : Windows 10 Pro 1703
Language   : French (Canada)
CPU        : Intel(R) Core(TM) i7 CPU         920  @ 2.67GHz
GPU        : NVIDIA GeForce GTX 1070
Resolution : 1920 x 1080
DPI        : 120

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                   Source file MediaInfo
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

C:\Users\jonle\Desktop\test01.mov

General
Complete name               : C:\Users\jonle\Desktop\test01.mov
Format                      : MPEG-4
Format profile              : QuickTime
Codec ID                    : qt   2005.03 (qt  )
File size                   : 1.08 MiB
Duration                    : 2 s 583 ms
Overall bit rate mode       : Variable
Overall bit rate            : 3 505 kb/s
Encoded date                : UTC 2016-10-16 23:57:18
Tagged date                 : UTC 2016-10-16 23:57:21
Writing library             : Apple QuickTime
©TIM                        : 0
©TSC                        : 12
©TSZ                        : 1

Video
ID                          : 1
Format                      : PNG
Format/Info                 : Portable Network Graphic
Codec ID                    : png
Duration                    : 2 s 583 ms
Bit rate mode               : Variable
Bit rate                    : 1 750 kb/s
Width                       : 1 444 pixels
Height                      : 624 pixels
Display aspect ratio        : 2.35:1
Frame rate mode             : Constant
Frame rate                  : 12.000 FPS
Compression mode            : Lossless
Bits/(Pixel*Frame)          : 0.162
Stream size                 : 552 KiB (50%)
Title                       : Îáðàáîò÷èê âèäåî Apple / Îáðàáîò÷èê ïñåâäîíèìîâ Apple
Language                    : English
Encoded date                : UTC 2016-10-16 23:57:18
Tagged date                 : UTC 2016-10-16 23:57:21

Audio
ID                          : 2
Format                      : PCM
Format settings, Endianness : Little
Format settings, Sign       : Signed
Codec ID                    : sowt
Duration                    : 2 s 583 ms
Source duration             : 2 s 917 ms
Bit rate mode               : Constant
Bit rate                    : 1 536 kb/s
Channel(s)                  : 2 channels
Channel positions           : Front: L R
Sampling rate               : 48.0 kHz
Bit depth                   : 16 bits
Stream size                 : 484 KiB (44%)
Source stream size          : 547 KiB (49%)
Title                       : Îáðàáîò÷èê çâóêà Apple / Îáðàáîò÷èê ïñåâäîíèìîâ Apple
Language                    : English
Encoded date                : UTC 2016-10-16 23:57:18
Tagged date                 : UTC 2016-10-16 23:57:21

Other
ID                          : 3
Type                        : Time code
Format                      : QuickTime TC
Duration                    : 2 s 583 ms
Time code of first frame    : 00:00:00:00
Time code, striped          : Yes
Title                       : Îáðàáîò÷èê âðåìåííîãî êîäà / Îáðàáîò÷èê ïñåâäîíèìîâ Apple
Language                    : English
Encoded date                : UTC 2016-10-16 23:57:21
Tagged date                 : UTC 2016-10-16 23:57:21

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                           Script
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

LoadPlugin("C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\Plugins\both\ffms2\ffms2.dll")
FFVideoSource("C:\Users\jonle\Desktop\test01.mov", colorspace = "RGB32", \
              cachefile = "C:\Users\jonle\Desktop\test01_temp\test01.ffindex")
BicubicResize(1440, 624, 0, 0.5)

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                     Script Properties
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source frame count : 31
source frame rate  : 12.000048
source duration    : 00:00:02.5830000
target frame count : 31
target frame rate  : 12.000048
target duration    : 00:00:02.5830000

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            Encoding VP9 using ffmpeg 3.2.2 x64
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"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\ffmpeg\ffmpeg.exe" -i C:\Users\jonle\Desktop\test01_temp\test01edeeeeee.avs -c:v libvpx-vp9 -speed 1 -threads 8 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -pix_fmt yuva420p -an -y -hide_banner C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_out.mkv

Input #0, avisynth, from 'C:\Users\jonle\Desktop\test01_temp\test01edeeeeee.avs':
Duration: 00:00:02.58, start: 0.000000, bitrate: 0 kb/s
Stream #0:0: Video: rawvideo (BGRA / 0x41524742), bgra, 1440x624, 12 fps, 12 tbr, 12 tbn, 12 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> vp9 (libvpx-vp9))
Press [q] to stop, [?] for help
[libvpx-vp9 @ 00000000027da0e0] v1.6.1
Output #0, matroska, to 'C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_out.mkv':
Metadata:
encoder         : Lavf57.76.100
Stream #0:0: Video: vp9 (libvpx-vp9) (VP90 / 0x30395056), yuva420p, 1440x624, q=-1--1, 200 kb/s, 12 fps, 1k tbn, 12 tbc
Metadata:
encoder         : Lavc57.102.100 libvpx-vp9
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
video:38kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 105.158096%

Start:    12:07:02
End:      12:07:10
Duration: 00:00:08

General
Complete name        : C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_out.mkv
Format               : Matroska
Format version       : Version 4 / Version 2
File size            : 78.2 KiB
Duration             : 2 s 583 ms
Overall bit rate     : 248 kb/s
Writing application  : Lavf57.76.100
Writing library      : Lavf57.76.100 / Lavf57.76.100
ErrorDetectionType   : Per level 1

Video
ID                   : 1
Format               : VP9
Codec ID             : V_VP9
Duration             : 2 s 583 ms
Bit rate             : 243 kb/s
Width                : 1 440 pixels
Height               : 624 pixels
Display aspect ratio : 2.35:1
Frame rate mode      : Constant
Frame rate           : 12.000 FPS
Bits/(Pixel*Frame)   : 0.023
Stream size          : 76.6 KiB (98%)
Writing library      : Lavc57.102.100 libvpx-vp9
Default              : Yes
Forced               : No
DURATION             : 00:00:02.583000000

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
              Muxing using mkvmerge 12.0.0 x64
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\MKVToolNix\mkvmerge.exe" -o C:\Users\jonle\Desktop\test01edeeeeee.webm --no-audio --no-subs --no-chapters --no-attachments --no-track-tags --no-global-tags C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_out.mkv --global-tags C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_tags.xml --ui-language en

mkvmerge v12.0.0 ('Trust / Lust') 64bit
Automatically enabling WebM compliance mode due to destination file name extension.
'C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_out.mkv': Using the demultiplexer for the format 'Matroska'.
'C:\Users\jonle\Desktop\test01_temp\test01edeeeeee_out.mkv' track 0: Using the output module for the format 'VP8/VP9'.
The file 'C:\Users\jonle\Desktop\test01edeeeeee.webm' has been opened for writing.
The cue entries (the index) are being written...
Multiplexing took 0 seconds.

Start:    12:07:10
End:      12:07:10
Duration: 00:00:00

General
Complete name        : C:\Users\jonle\Desktop\test01edeeeeee.webm
Format               : WebM
Format version       : Version 4 / Version 2
File size            : 82.2 KiB
Duration             : 2 s 583 ms
Overall bit rate     : 261 kb/s
Encoded date         : UTC 2017-07-30 16:07:10
Writing application  : mkvmerge v12.0.0 ('Trust / Lust') 64bit
Writing library      : libebml v1.3.4 + libmatroska v1.4.5

Video
ID                   : 1
Format               : VP9
Codec ID             : V_VP9
Duration             : 2 s 583 ms
Bit rate             : 244 kb/s
Width                : 1 440 pixels
Height               : 624 pixels
Display aspect ratio : 2.35:1
Frame rate mode      : Constant
Frame rate           : 12.000 FPS
Bits/(Pixel*Frame)   : 0.023
Stream size          : 76.8 KiB (93%)
Default              : Yes
Forced               : No

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                        Job Complete
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Start:    12:07:02
End:      12:07:10
Duration: 00:00:08

grrrr lol !

[poisondeathray]

Try LSmashVideoSource() , also delete the cache files and index

They both should work, they both return RGB32 automatically, you actually don't need to force a colorspace or format

For example,
FFVideoSource("PATH\test alpha fire.mov")
will return RGB32 automatically with valid alpha

Same with
LSmashVideoSource("PATH\test alpha fire.mov")


When debugging or testing alpha channel , you should always test with color sample , because if you have "white" such as in 2nd example, the RGB combined can be used as the alpha (it's like viewing the alpha directly in AE). So try it on the fire example

[poisondeathray]

Yes it works with avs to ffmpeg here

lsmash.avs

LSmashVideoSource("PATH\test alpha fire.mov")

ffmpeg encode

ffmpeg -i "lsmash.avs" -pix_fmt yuva420p -c:v libvpx-vp9 -crf 18 -b:v 0 lsmash.webm

lsmash doesn't require an index for MP4/MOV, so it's usually the preferred source filter for those formats in avisynth over ffms2

But this test demonstrates that avisynth is passing the alpha channel correctly. (In avisynth you can use info() to see it's RGB32, and showalpha() to see the alpha channel directly, like in AE)

[poisondeathray]

test01.mov was PNG in MOV (not QTRLE in MOV), but it works ok too

lsmash_test01.avs

LSmashVideoSource("PATH\test01.mov")

ffmpeg encode, no audio (-an)

ffmpeg -i "lsmash_test01.avs" -pix_fmt yuva420p -c:v libvpx-vp9 -crf 18 -b:v 0 -an lsmash_test01.webm

[djmisterjon]

ok i use the fire.mov
i try replace the line with
LSMASHVideoSource("C:\Users\jonle\Desktop\testFire 01.mov")
i delete befor convert all the cache

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
      _________ __                __________.__        
     /   _____//  |______  ___  __\______   \__|_____  
     \_____  \\   __\__  \ \  \/  /|       _/  \____ \ 
     /        \|  |  / __ \_>    < |    |   \  |  |_> >
    /_______  /|__| (____  /__/\_ \|____|_  /__|   __/ 
            \/           \/      \/       \/   |__|   

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                        Environment
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

StaxRip    : 1.5.0.0
Windows    : Windows 10 Pro 1703
Language   : French (Canada)
CPU        : Intel(R) Core(TM) i7 CPU         920  @ 2.67GHz
GPU        : NVIDIA GeForce GTX 1070
Resolution : 1920 x 1080
DPI        : 120

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                   Source file MediaInfo
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

C:\Users\jonle\Desktop\testFire01.mov

General
Complete name            : C:\Users\jonle\Desktop\testFire01.mov
Format                   : MPEG-4
Format profile           : QuickTime
Codec ID                 : qt   2005.03 (qt  )
File size                : 3.07 MiB
Duration                 : 958 ms
Overall bit rate mode    : Variable
Overall bit rate         : 26.9 Mb/s
Encoded date             : UTC 2017-07-30 10:07:18
Tagged date              : UTC 2017-07-30 10:07:20
Writing library          : Apple QuickTime
©TIM                     : 00:00:00:00
©TSC                     : 24
©TSZ                     : 1

Video
ID                       : 1
Format                   : RLE
Format/Info              : Run-length encoding
Codec ID                 : rle
Duration                 : 958 ms
Bit rate mode            : Variable
Bit rate                 : 18.1 Mb/s
Width                    : 1 000 pixels
Height                   : 200 pixels
Display aspect ratio     : 5.000
Frame rate mode          : Constant
Frame rate               : 24.000 FPS
Color space              : RGBA
Bit depth                : 8 bits
Scan type                : Progressive
Bits/(Pixel*Frame)       : 3.773
Stream size              : 2.07 MiB (67%)
Language                 : English
Encoded date             : UTC 2017-07-30 10:07:18
Tagged date              : UTC 2017-07-30 10:07:18

Other
ID                       : 2
Type                     : Time code
Format                   : QuickTime TC
Duration                 : 958 ms
Time code of first frame : 00:00:00:00
Time code, striped       : Yes
Language                 : English
Encoded date             : UTC 2017-07-30 10:07:18
Tagged date              : UTC 2017-07-30 10:07:18

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                           Script
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

LoadPlugin("C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\Plugins\avs\L-SMASH-Works\LSMASHSource.dll")
LSMASHVideoSource("C:\Users\jonle\Desktop\testFire01.mov")
BicubicResize(992, 192, 0, 0.5)

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                     Script Properties
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

source frame count : 23
source frame rate  : 24.000000
source duration    : 00:00:00.9580000
target frame count : 23
target frame rate  : 24.000000
target duration    : 00:00:00.9580000

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
            Encoding VP9 using ffmpeg 3.2.2 x64
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\ffmpeg\ffmpeg.exe" -i C:\Users\jonle\Desktop\testFire01_temp\testFire01.avs -c:v libvpx-vp9 -speed 1 -threads 8 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -pix_fmt yuva420p -aspect 5 -an -y -hide_banner C:\Users\jonle\Desktop\testFire01_temp\testFire01_out.mkv

Input #0, avisynth, from 'C:\Users\jonle\Desktop\testFire01_temp\testFire01.avs':
Duration: 00:00:00.96, start: 0.000000, bitrate: 1 kb/s
Stream #0:0: Video: rawvideo (BGRA / 0x41524742), bgra, 992x192, 24 fps, 24 tbr, 24 tbn, 24 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> vp9 (libvpx-vp9))
Press [q] to stop, [?] for help
[libvpx-vp9 @ 0000000004436360] v1.6.1
Output #0, matroska, to 'C:\Users\jonle\Desktop\testFire01_temp\testFire01_out.mkv':
Metadata:
encoder         : Lavf57.76.100
Stream #0:0: Video: vp9 (libvpx-vp9) (VP90 / 0x30395056), yuva420p, 992x192 [SAR 30:31 DAR 5:1], q=-1--1, 200 kb/s, 24 fps, 1k tbn, 24 tbc
Metadata:
encoder         : Lavc57.102.100 libvpx-vp9
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
video:11kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 121.819893%

Start:    12:39:06
End:      12:39:08
Duration: 00:00:02

General
Complete name        : C:\Users\jonle\Desktop\testFire01_temp\testFire01_out.mkv
Format               : Matroska
Format version       : Version 4 / Version 2
File size            : 25.3 KiB
Duration             : 959 ms
Overall bit rate     : 216 kb/s
Writing application  : Lavf57.76.100
Writing library      : Lavf57.76.100 / Lavf57.76.100
ErrorDetectionType   : Per level 1

Video
ID                   : 1
Format               : VP9
Codec ID             : V_VP9
Duration             : 958 ms
Width                : 992 pixels
Height               : 192 pixels
Display aspect ratio : 5.000
Frame rate mode      : Constant
Frame rate           : 24.000 FPS
Writing library      : Lavc57.102.100 libvpx-vp9
Default              : Yes
Forced               : No
DURATION             : 00:00:00.959000000

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
              Muxing using mkvmerge 12.0.0 x64
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

"C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\MKVToolNix\mkvmerge.exe" -o C:\Users\jonle\Desktop\testFire01.webm --no-audio --no-subs --no-chapters --no-attachments --no-track-tags --no-global-tags C:\Users\jonle\Desktop\testFire01_temp\testFire01_out.mkv --global-tags C:\Users\jonle\Desktop\testFire01_temp\testFire01_tags.xml --ui-language en

mkvmerge v12.0.0 ('Trust / Lust') 64bit
Automatically enabling WebM compliance mode due to destination file name extension.
'C:\Users\jonle\Desktop\testFire01_temp\testFire01_out.mkv': Using the demultiplexer for the format 'Matroska'.
'C:\Users\jonle\Desktop\testFire01_temp\testFire01_out.mkv' track 0: Using the output module for the format 'VP8/VP9'.
The file 'C:\Users\jonle\Desktop\testFire01.webm' has been opened for writing.
The cue entries (the index) are being written...
Multiplexing took 0 seconds.

Start:    12:39:08
End:      12:39:08
Duration: 00:00:00

General
Complete name        : C:\Users\jonle\Desktop\testFire01.webm
Format               : WebM
Format version       : Version 4 / Version 2
File size            : 29.5 KiB
Duration             : 959 ms
Overall bit rate     : 252 kb/s
Encoded date         : UTC 2017-07-30 16:39:08
Writing application  : mkvmerge v12.0.0 ('Trust / Lust') 64bit
Writing library      : libebml v1.3.4 + libmatroska v1.4.5

Video
ID                   : 1
Format               : VP9
Codec ID             : V_VP9
Duration             : 958 ms
Width                : 992 pixels
Height               : 192 pixels
Display aspect ratio : 5.000
Frame rate mode      : Constant
Frame rate           : 24.000 FPS
Default              : Yes
Forced               : No

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
                        Job Complete
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Start:    12:39:06
End:      12:39:08
Duration: 00:00:02

is not work !!.
But is strange because it create a cache.mkv during the encoding !
I do not understand that it is so complicated!
it is not logical.

ps: Yes i test my file with AE for the alpha result

[poisondeathray]

I noticed you had a resize in there, but it works too with resize, alpha is kept and properly in the avs script

The log looks ok to me, I don't see anything wrong.

Maybe need to call stax in , or use another program.

Avisynth isn't necessary, ffmpeg can do everything, resize etc... Using it only would be faster because less overhead

[djmisterjon]

so its like that , and i delete cach befor !

[poisondeathray]

Can you post the last encoded video from staxrip "testFire01.webm"

[djmisterjon]

I noticed you had a resize in there, but it works too with resize, alpha is kept and properly in the avs script

The log looks ok to me, I don't see anything wrong.

Maybe need to call stax in , or use another program.

Avisynth isn't necessary, ffmpeg can do everything, resize etc... Using it only would be faster because less overhead

i would like try ffmpeg.exe but is look like very old ms-dos programme lol !
If a double click i have not sofware open !
Only ms-dos , and it auto-close ?
How this sowfware work ?

[djmisterjon]

https://files.videohelp.com/u/270908/testFire01.webm

[poisondeathray]

ffmpeg is a command line program . yes like dos. You open a console box and enter commands.

But stax should work, it's using the same programs .... it's just a GUI for avisynth , ffmpeg and a bunch of command line programs

[djmisterjon]

ffmpeg is a command line program . yes like dos. You open a console box and enter commands.

But stax should work, it's using the same programs .... it's just a GUI for avisynth , ffmpeg and a bunch of command line programs

I made a small video.
Maybe it could help identify what I'm doing wrong !?
Here's how I proceed.
I do not think I am mistaken in the process.
All seems logical.
I absolutely do not understand !!

https://youtu.be/xYRAF_k3oZE

[poisondeathray]

I asked stax to have a look at it.

Because the individual programs, avisynth ,ffmpeg or ffmpeg alone work fine , and I see nothing wrong with the latest log file

[poisondeathray]

The only thing I can think of is a problem with that ffmpeg version, or libvpx version, because the log file says it's passing RGBA (BGRA) from avisynth.

Try replacing it with a zeranoe version, older versions are archived too
https://ffmpeg.zeranoe.com/builds/

The version I was using was dated 2017.06.15 . The libvpx was 1.6.0. The one you had in the log file was 1.6.1.

[poisondeathray]

also check the avs script

Find the location where it's saved

Add ShowAlpha() , and save it with different name , like test.avs

LoadPlugin("C:\Users\jonle\APP Portable\StaxRip-x64-1.5.0.0\Apps\Plugins\avs\L-SMASH-Works\LSMASHSource.dll")
LSMASHVideoSource("C:\Users\jonle\Desktop\testFire01.mov")
BicubicResize(992, 192, 0, 0.5)
ShowAlpha()

open test.avs in vdub, do you see white/black alpha like in AE ?

it should look something like this when you view the alpha directly. If it does, there is nothing wrong with your avisynth install, or your lsmash version, and the problem is downstream, such as ffmpeg version, or libvpx version


[Attachment 42476 - Click to enlarge]