Batch change Divx to Xvid (FourCC+Writing library+unpack bitstream)

[SmurfRecorder]

Hello. I'd like to change parameters of multiple AVI files at once to make them playable.
My current workflow on single file:
1. MPEG4Modifier - packed bitstream unpack
2. MPEG4Modifier change user data (Writing library from something like DivX503b2682p to XviD0069
3. Visual AVI FourCC Changer (https://sourceforge.net/projects/vsfccchanger/) - change fourCC - this works for all files

And I know I can do steps 1 and 3, e.g with FFMPEG with stream copy, but I'm not sure how to automatize step 2

this command did not change writing library:

ffmpeg -i input.avi -vtag XVID -bsf:v mpeg4_unpack_bframes -c:v copy -c:a copy output.avi

[ProWo]

Hello. I'd like to change parameters of multiple AVI files at once to make them playable.
My current workflow on single file:
1. MPEG4Modifier - packed bitstream unpack
2. MPEG4Modifier change user data (Writing library from something like DivX503b2682p to XviD0069
3. Visual AVI FourCC Changer (https://sourceforge.net/projects/vsfccchanger/) - change fourCC - this works for all files

And I know I can do steps 1 and 3, e.g with FFMPEG with stream copy, but I'm not sure how to automatize step 2

this command did not change writing library:

ffmpeg -i input.avi -vtag XVID -bsf:v mpeg4_unpack_bframes -c:v copy -c:a copy output.avi

Try instead this single commandline:

ffmpeg -i source.avi -c copy -bsf:v mpeg4_unpack_bframes -vtag FMP4 source_fixed.avi

[SmurfRecorder]

But this just change fourCC not "writing library"
after that command ffmpeg Mediainfo shows:

Codec ID                                 : FMP4
Writing library                          : DivX 2682

when editing with MPEG4Modifier I get

Writing library                          : XviD 69

And this file works correctly for me

[ProWo]

But this just change fourCC not "writing library"
after that command ffmpeg Mediainfo shows:

Codec ID                                 : FMP4
Writing library                          : DivX 2682

OK, but this file is playable or not?

when editing with MPEG4Modifier I get

Writing library                          : XviD 69

And this file works correctly for me

The “writing library” is just an information tag and should not affect the video's playback

[SmurfRecorder]

Unfortunately the file is unplayable until I change writing library... This is LG Oled 4k TV bought about 2021.

[cholla]

I worked on this & part of the problem is the .avi container.
It has limits on what can be written to in it's metadata.
I was never able to get the metadata to accept "Writing library".
What I got was "Writing application" in MediaInfo.

Give this code a try:

ffmpeg -i input.avi -flags +bitexact -fflags +bitexact -map_metadata -1 -metadata:g "ISFT=XviD 69" -metadata:g "encoding_tool=XviD 69" -metadata title="movie name" -c copy output.avi

[SmurfRecorder]

Sorry, it doesn’t work, but thanks anyway Xvid and Avi is very annoing format

I also noticed that some files have doubled entries for writing library. Second is invisible for MediaInfo but TV refuses to play...
I don't know what (and why) LG TV manufacturer did to their software...

MPEG4Modifier is the only fix that works, but unfortunately CLI version has very limited arguments

[Attachment 92676 - Click to enlarge]

[ProWo]

Another approach:
Try simply remuxing the AVI video into an MP4.

ffmpeg -i input.avi  -c copy output.mp4

Does the MP4 video play on your LG TV?

[SmurfRecorder]

Tried both MP4 and MKV. Both don't play when remuxed with DIVX writing library.
But if I mod file with MPEG4Modifier then remux, both formats play

[SmurfRecorder]

I finally found the way to batch change that writing library:
I made my first AutoHotkey script to control MPEG4 Modifier GUI
(with with a little help from AI and with AHK documentation)

mpeg4mod_run.ahk - for AutoHotkey v2

;---------run MPEG4 Modifier to unpack packed bitstream and remove Writing Library user data ----------------
;    usage:
;    AutoHotkey64.exe MPEG4Modifier_batch input_file.avi output_file.avi codec_code
;    run this with batch file inside loop
;-------------------------------------------------------------------------------------
MPEG4Modifier_exe:="D:\Prg\MPEG4Modifier.exe"

inp_file := A_Args[1]
out_file := inp_file . "_xvid"
if A_Args.Length >= 2
    out_file := A_Args[2]

codec_code := "XviD0069"
if A_Args.Length >= 3
    codec_code := A_Args[3]  
    
mouse_spd:=10   
if A_Args.Length >= 4 
    mouse_spd:=A_Args[4]

SendMode "Event"
SetTitleMatchMode "RegEx"

;---------control exist function--------------
ControlExist(Control, WinTitle:="", WinText:="", ExcludeTitle:="", ExcludeText:=""){
    try 
        return ControlGetHwnd(Control, WinTitle, WinText, ExcludeTitle, ExcludeText)
    catch 
        return false
}

MouseMoveToControl(control, window, speed := 20) {
      ControlGetPos(&x, &y, &w, &h, control, window)
      MouseMove(x + w/2, y + h/2, speed)
}

;--------close all running windows of MPEG4Modifier------------
for hwnd in WinGetList("MPEG4 Modifier")
    WinClose("ahk_id " hwnd)



;only argument supported y MPEG4Modifier is input file
Run(MPEG4Modifier_exe ' "' inp_file '"')

WinWaitActive("MPEG4 Modifier")

;------- wait until loading finish or close when error ------------
Loop {
    ; --- ERROR ---
    if WinWait("Error",, 0.03) { 
        msg := WinGetText("Error")
        FileAppend( msg, out_file ".ERROR.txt")
        MouseMoveToControl("OK", "Error", mouse_spd)
        Sleep 150
        ControlClick("OK", "Error")
        WinClose("MPEG4 Modifier")
        ExitApp
    }
    ; --- LOADING ---
    if WinWait(" - Loading",, 0.03) {
        WinWaitClose(" - Loading")
        break
    }

    Sleep 1
}



;BlockInput("MouseMove")
;SetControlDelay 250

Sleep(200)


;---check video info------
MouseMoveToControl("Video Info", "MPEG4 Modifier",mouse_spd)

ControlClick("Video Info", "MPEG4 Modifier")
WinWaitActive("Video Information")
Sleep(200)
txt := WinGetText("Video Information")
if InStr(txt, "Packed bitstream:  Yes") 
    packed:=true
else 
    packed:=false
WinClose("Video Information")
WinWaitClose("Video Information")
Sleep(200)

 
;---------checkbox to unpack user data------------------
if ControlExist("Unpack", "MPEG4 Modifier"){
    MouseMoveToControl("Unpack", "MPEG4 Modifier",mouse_spd)
    if  packed==true
        ControlSetChecked(1, "Unpack", "MPEG4 Modifier")
    else
        ControlSetChecked(0, "Pack", "MPEG4 Modifier")
}
Sleep(200)
;---------disable auto user-data------------------
if ControlExist("Auto", "MPEG4 Modifier") {
    MouseMoveToControl("Auto", "MPEG4 Modifier",mouse_spd)
    ControlSetChecked(0, "Auto", "MPEG4 Modifier")
}
Sleep(200)

list:=""
;----- find listbox with codec user data ----------
for i in WinGetControls("MPEG4 Modifier")
    if InStr(i, "LISTBOX",false) {
        list := i
        break
    }
xvid_found:=false 
;----- remove all writing library user data codes ----------
if ControlExist(list, "MPEG4 Modifier") {
    items := ControlGetItems(list, "MPEG4 Modifier")
    count := items.Length
    Loop count {
        guiIndex := count - A_Index + 1
        text := items[guiIndex]
        ControlChooseIndex(guiIndex, list, "MPEG4 Modifier")
        if RegExMatch(text, "i)divx") {
            MouseMoveToControl("i)^\s*\-\s*$", "MPEG4 Modifier", mouse_spd)
            ControlClick("i)^\s*\-\s*$", "MPEG4 Modifier")
        }
        if RegExMatch(text, "i)xvid") 
            xvid_found:=true
       sleep(100)
    }
}
;---------------
if xvid_found==true 
    goto xvid_found_skip
;---------------

MouseMoveToControl("i)^\s*\+\s*$", "MPEG4 Modifier",mouse_spd)
ControlClick("i)^\s*\+\s*$", "MPEG4 Modifier")
WinWaitActive("Add User Data")

; ------  set codec writing library to xvid -----------
codec_code := "XviD0069"

editCtrl := ""
for c in WinGetControls("Add User Data"){
    if InStr(c, "WindowsForms10.EDIT"){
        editCtrl := c
        break
        }
}

ControlSetText(codec_code, editCtrl, "Add User Data")
MouseMoveToControl("OK", "Add User Data",mouse_spd)
sleep (500)
ControlClick("OK", "Add User Data")
WinWaitClose("Add User Data")
;---------------
xvid_found_skip:
;---------------

; --------delete output file if exists (move to trash-----------
if FileExist(out_file){
  FileRecycle(out_file)
  }


; ------ save output file -------------
MouseMoveToControl("Save","MPEG4 Modifier",mouse_spd)
ControlClick("Save","MPEG4 Modifier")
WinWaitActive("Destination Video")
MouseMoveToControl("Button2","Destination Video",mouse_spd)
ControlSetText('"' . out_file . '"', "Edit1", "Destination Video")

sleep(500)

;button2 should be Save button (check with WindowSpy.ahk)
ControlClick("Button2","Destination Video") 
;------- wait until loading finish ------------
WinWait("i) - Saving")
WinWaitClose("i) - Saving")
sleep 200

WinClose("MPEG4 Modifier")
sleep 200

and batch run with
mpeg4mod_batch.bat

@echo off
chcp 65001 >nul
REM (Attention! don't end paths with backslash, eg C:\dir not C:\dir\ )-
REM --- source dir ---
set "SRC=E:\videos"
rem set "SRC=%~dp0"

REM --- dest dir--
set "DST=R:" 
rem set "SRC=%~dp0"

REM --- set codec code - xvid/divx writing library--
set "CODE=XviD0069"

REM --- AutoHotkey v2 ---
set "AHK=D:\ahk\AutoHotkey64.exe"
REM --- AutoHotkey mouse move speed ---
set "SPD=10"

for %%F in ("%SRC%\*.avi" "%SRC%\*.divx") do (
    echo %%F
    echo  "%DST%\%%~nF.avi"
   "%AHK%" mpeg4mod_run.ahk "%%~fF" "%DST%\%%~nF.avi" "%CODE%" "%SPD%
)

echo ok
pause

Then use Visual Avi FourCC (https://sourceforge.net/projects/vsfccchanger/) changer which has batch processing support and change to XVID.
And all files plays fine (unless they are not encoded with GMC)

[paranoidroid]

@SmurfRecorder it's cool that you have solved it with AutoHotkey, but I think you gave up on the CL version too quickly. I have found that for my LG OLED42C5ELB it is enough to let MPEG4ModifierCL run with the '--unpack source-file.avi destination-file.avi' command. It not only unpacks the bitstream, it also automatically removes the double entry, specifically the DivX5... part. And, with my testing, it doesn't matter which XviD... part stays after that. They all work. No need to push for XviD0069 specifically.
So, I was able to batch convert with a small Windows cmd batch:

@echo off
set "SOURCE_LIST=c:\test\new\divx_packed_files.txt"
set "TARGET_DRIVE=c:\test\new"

for /f "usebackq delims=" %%I in ("%SOURCE_LIST%") do (
    rem 1. Extract path without drive letter
    set "REL_PATH=%%~pI"
    
    rem 2. Extract filename and extension
    set "FILE_NAME=%%~nxI"
    
    rem 3. Ensure the destination directory exists on target drive
    if not exist "%TARGET_DRIVE%%%~pI" mkdir "%TARGET_DRIVE%%%~pI"
    
    rem 4. Execute Mono with the source input and modified output path
    "c:\Program Files (x86)\Mono\bin\mono.exe" c:\Users\Goran\Downloads\MPEG4ModifierCL\mmcl.exe --unpack "%%~fI" "%TARGET_DRIVE%%%~pI%%~nxI"
)