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  1. 11th May 2020 05:56 #1
    Bassquake
    Bassquake is offline
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    I need ffprobe to pass the width and height values to ffmpeg as I want it to automatically set the aspect ratio.

    This is what I use to see what the rez is so far:

    Code:
    for %%i in ("%~nx1") do (
C:\ffmpeg-4.2.2-win32-static\bin\ffprobe.exe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "%%i"
)
    I drag the video file onto the bat file and it will print the width and height in the console. So far, so good, I can see it pulls the values correctly.

    But I need to pass it to ffmpeg so I can do a simple division to set the aspect ratio in ffmpeg command:

    Code:
    -aspect: width/height
    I dont know how to pass the ffprobe values to ffmpeg.

    Help appreciated.
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  2. 30th Jan 2021 14:31 #2
    metis
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    You have to read out the FFProbe-Output and copy the obtained Width/Height-Values to the FFmpeg-CommandLine.

    To do it via a Script, use -report to print the Output to a Log-File.
    Then parse that Log-File for the Video's Width&Height and copy them to Your FFmpeg-CommandLine.

    For how to do it programmatically (what I like better), take a Look here:
    http://forum.lazarus.freepascal.org/index.php/topic,43411.0.html
    -> GoTo "RunFFmpeg".
    This App is actually designed to run any Multimedia-Task with one App via the FFmpeg-CommandLine-Tools
    'ffmpeg.exe', 'ffprobe.exe' and 'ffplay.exe'.
    You may extract from the SourceCode whatever You need for Your Purpose (I'm the Author).

    Or take my FFmpeg-Player, where You can adjust the AspectRatio (and all other VideoImage-Params) continuously, while
    Watching a Video, thus time-consuming Transcoding is not needed any more:
    https://forum.lazarus.freepascal.org/index.php/topic,26666.msg311955.html#msg311955
    -> GoTo "Adapt any MRL to any Screen".

    An other outstanding Feature of this Player is the optional AudioOutput via Portaudio, that
    supports ASIO for low-latency real-time Audio, e.g. required for VJ-ing.

    The Player there is still with 'SDL1'. Currently, I'm updating the entire Code to 'SDL2', The updated Version will work the same
    Way, plus some more Features, like horizontal/vertical Flip and continuous Rotation of the Videoimage and Touchscreen-Support.

    Hope, I could help You.
    Last edited by metis; 2nd Feb 2021 at 11:43.
    Life could be so easy, if there weren't those f*** Details.
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  3. 30th Jan 2021 17:27 #3
    hydra3333
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    Well, if you use mediainfo, here's an alternative sample example

    Code:
    set tempfile=.\tempfile.tmp
set mediainfoexe=C:\software\mediainfo\mediainfo.exe
set mp4_filename=sopme_mp4_file.mp4
Call :get_mediainfo_parameter "Video" "DisplayAspectRatio/String" "V_DisplayAspectRatio_String" "%~mp4_filename" 
set "V_DisplayAspectRatio_String_slash=!V_DisplayAspectRatio_String::=/!
REM Now do something using variable "V_DisplayAspectRatio_String_slash!"
REM eg ffmpeg ... -vf "setdar=!V_DisplayAspectRatio_String_slash!" ...
exit

REM get a parameter from mediainfo
:get_mediainfo_parameter
REM DO NOT SET @setlocal ENABLEDELAYEDEXPANSION
REM DO NOT SET @setlocal enableextensions
REM ensure no trailing spaces in any of the lines in this routine !!
set mi_Section=%~1
set mi_Parameter=%~2
set mi_Variable=%~3
set mi_Filename=%~4
set "mi_var="
DEL /F "!tempfile!" >NUL 2>&1
REM Note \r\n is Windows new-line, which is for the case of multiple audio streams, 
REM it outputs a result for each stream on a new line, the first stream being the first entry,
REM and the first audio stream should be the one we need. 
REM Set /p from an input file reads the first line.
"!mediainfoexe!" "--Inform=!mi_Section!;%%!mi_Parameter!%%\r\n" "!mi_Filename!" > "!tempfile!"
set /p mi_var=<"!tempfile!"
set !mi_Variable!=!mi_var!
REM ECHO !DATE! !TIME! "!mi_Variable!=!mi_var!" from "!mi_Section!" "!mi_Parameter!"
REM ECHO !DATE! !TIME! "!mi_Variable!=!mi_var!" from "!mi_Section!" "!mi_Parameter!"
DEL /F "!tempfile!" >NUL 2>&1
goto :eof
    One could perhaps contemplate fetching other characteristics as well, eg
    Code:
    Call :get_mediainfo_parameter_legacy "Video" "Codec" "V_Codec_legacy" "%~f1" 
Call :get_mediainfo_parameter_legacy "Video" "Format" "V_Format_legacy" "%~f1" 
REM
Call :get_mediainfo_parameter_legacy "Audio" "Codec" "A_Codec_legacy" "%~f1" 
Call :get_mediainfo_parameter_legacy "Audio" "CodecID" "A_CodecID_legacy" "%~f1" 
Call :get_mediainfo_parameter_legacy "Audio" "Format" "A_Format_legacy" "%~f1" 
Call :get_mediainfo_parameter_legacy "Audio" "Video_Delay" "A_Video_Delay_ms_legacy" "%~f1" 
IF /I "!A_Video_Delay_ms_legacy!" == "" (
	set /a "A_Audio_Delay_ms_legacy=0"
) ELSE (
	set /a "A_Audio_Delay_ms_legacy=0 - !A_Video_Delay_ms_legacy!"
)
ECHO !DATE! !TIME! "A_Video_Delay_ms_legacy=!A_Video_Delay_ms_legacy!" 
ECHO !DATE! !TIME! "A_Audio_Delay_ms_legacy=!A_Audio_Delay_ms_legacy!" Calculated 
REM
Call :get_mediainfo_parameter "General" "VideoCount" "G_VideoCount" "%~f1" 
Call :get_mediainfo_parameter "General" "AudioCount" "G_AudioCount" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration" "G_Duration_ms" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration/String" "G_Duration_String" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration/String1" "G_Duration_String1" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration/String2" "G_Duration_String2" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration/String3" "G_Duration_String3" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration/String4" "G_Duration_String4" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration/String5" "G_Duration_String5" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration_Start" "G_Start" "%~f1" 
Call :get_mediainfo_parameter "General" "Duration_End" "G_End" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "CodecID" "V_CodecID" "%~f1" 
Call :get_mediainfo_parameter "Video" "CodecID/String" "V_CodecID_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format" "V_Format" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format/String" "V_Format_string" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Version" "V_Format_Version" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Profile" "V_Format_Profile" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Level" "V_Format_Level" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Tier" "V_Format_Tier" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Compression" "V_Format_Compression" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Commercial" "V_Format_Commercial" "%~f1" 
Call :get_mediainfo_parameter "Video" "Format_Commercial_IfAny" "V_Format_Commercial_IfAny" "%~f1" 
Call :get_mediainfo_parameter "Video" "StreamKind" "V_StreamKind" "%~f1" 
Call :get_mediainfo_parameter "Video" "StreamKind/String" "V_StreamKind_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "InternetMediaType" "V_InternetMediaType" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration" "V_Duration_ms" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration/String" "V_Duration_ms_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration/String1" "V_Duration_ms_String1" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration/String2" "V_Duration_ms_String2" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration/String3" "V_Duration_ms_String3" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration/String4" "V_Duration_ms_String4" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration/String5" "V_Duration_ms_String5" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration_Start" "V_Duration_Start" "%~f1" 
Call :get_mediainfo_parameter "Video" "Duration_End" "V_Duration_End" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "Source_Duration" "V_Source_Duration_ms" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration/String" "V_Source_Duration_ms_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration/String1" "V_Source_Duration_ms_String1" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration/String2" "V_Source_Duration_ms_String2" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration/String3" "V_Source_Duration_ms_String3" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration/String4" "V_Source_Duration_ms_String4" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration/String5" "V_Source_Duration_ms_String5" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration_Start" "V_Source_Duration_Start" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_Duration_End" "V_Source_Duration_End" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "BitRate_Mode" "V_BitRate_Mode" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate_Mode/String" "V_BitRate_Mode_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate" "V_BitRate" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate/String" "V_BitRate_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate_Minimum" "V_BitRate_Minimum" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate_Minimum/String" "V_BitRate_Minimum_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate_Maximum" "V_BitRate_Maximum" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitRate_Maximum/String" "V_BitRate_Maximum_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "BufferSize" "V_BufferSize" "%~f1" 
Call :get_mediainfo_parameter "Video" "Bits-(Pixel*Frame)" "V_Bits_Pixel_Frame" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitDepth" "V_BitDepth" "%~f1" 
Call :get_mediainfo_parameter "Video" "BitDepth/String" "V_BitDepth_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "Width" "V_Width" "%~f1" 
Call :get_mediainfo_parameter "Video" "Height" "V_Height" "%~f1" 
Call :get_mediainfo_parameter "Video" "Stored_Width" "V_Stored_Width" "%~f1" 
Call :get_mediainfo_parameter "Video" "Stored_Height" "V_Stored_Height" "%~f1" 
Call :get_mediainfo_parameter "Video" "PixelAspectRatio" "V_PixelAspectRatio" "%~f1" 
Call :get_mediainfo_parameter "Video" "PixelAspectRatio/String" "V_PixelAspectRatio_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "PixelAspectRatio_Original" "V_PixelAspectRatio_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "PixelAspectRatio_Original/String" "V_PixelAspectRatio_Original_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "DisplayAspectRatio" "V_DisplayAspectRatio" "%~f1" 
Call :get_mediainfo_parameter "Video" "DisplayAspectRatio/String" "V_DisplayAspectRatio_String" "%~f1" 
set "V_DisplayAspectRatio_String_slash=!V_DisplayAspectRatio_String::=/!"
Call :get_mediainfo_parameter "Video" "DisplayAspectRatio_Original" "V_DisplayAspectRatio_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "DisplayAspectRatio_Original/String" "V_DisplayAspectRatio_Original_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "Rotation" "V_Rotation" "%~f1" 
Call :get_mediainfo_parameter "Video" "Rotation/String" "V_Rotation_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Mode" "V_FrameRate_Mode" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Mode/String" "V_FrameRate_Mode_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Mode_Original" "V_FrameRate_Mode_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Mode_Original/String" "V_FrameRate_Mode_Original_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate" "V_FrameRate" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate/String" "V_FrameRate_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Minimum" "V_FrameRate_Minimum" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Minimum/String" "V_FrameRate_Minimum_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Nominal" "V_FrameRate_Nominal" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Nominal/String" "V_FrameRate_Nominal_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Maximum" "V_FrameRate_Maximum" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Maximum/String" "V_FrameRate_Maximum_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Original" "V_FrameRate_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Original/String" "V_FrameRate_Original_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Num" "V_FrameRate_Num" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Den" "V_FrameRate_Den" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Original_Num" "V_FrameRate_Original_Num" "%~f1" 
Call :get_mediainfo_parameter "Video" "FrameRate_Original_Den" "V_FrameRate_Original_Den" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "FrameCount" "V_FrameCount" "%~f1" 
Call :get_mediainfo_parameter "Video" "Source_FrameCount" "V_Source_FrameCount" "%~f1" 
Call :get_mediainfo_parameter "Video" "Standard" "V_Standard" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "ColorSpace" "V_ColorSpace" "%~f1" 
Call :get_mediainfo_parameter "Video" "ChromaSubsampling" "V_ChromaSubsampling" "%~f1" 
Call :get_mediainfo_parameter "Video" "ChromaSubsampling/String" "V_ChromaSubsampling_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "ChromaSubsampling_Position" "V_ChromaSubsampling_Position" "%~f1" 
Call :get_mediainfo_parameter "Video" "Gop_OpenClosed" "V_Gop_OpenClosed" "%~f1" 
Call :get_mediainfo_parameter "Video" "Gop_OpenClosed/String" "V_Gop_OpenClosed_String" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "ScanType" "V_ScanType" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanType/String" "V_ScanType_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanType_Original" "V_ScanType_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanType_Original/String" "V_ScanType_Original_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanType_StoreMethod" "V_ScanType_StoreMethod" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanType_StoreMethod_FieldsPerBlock" "V_ScanType_StoreMethod_FieldsPerBlock" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanType_StoreMethod/String" "V_ScanType_StoreMethod_String" "%~f1" 
IF /I "!V_ScanType!" == "" (
	ECHO !DATE! !TIME! "V_ScanType blank, setting V_ScanType=Progressive"
	ECHO !DATE! !TIME! "V_ScanType blank, setting V_ScanType=Progressive" 
	set "V_ScanType=Progressive"
)
IF /I "!V_ScanType!" == "MBAFF" (
	ECHO !DATE! !TIME! "V_ScanType blank, setting V_ScanType=Interlaced"
	ECHO !DATE! !TIME! "V_ScanType blank, setting V_ScanType=Interlaced" 
	set "V_ScanType=Interlaced"
)
Call :get_mediainfo_parameter "Video" "ScanOrder" "V_ScanOrder" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanOrder/String" "V_ScanOrder_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanOrder_Stored" "V_ScanOrder_Stored" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanOrder_Stored/String" "V_ScanOrder_Stored_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanOrder_StoredDisplayedInverted" "V_ScanOrder_StoredDisplayedInverted" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanOrder_Original" "V_ScanOrder_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "ScanOrder_Original/String" "V_ScanOrder_Original_String" "%~f1" 
IF /I "!V_ScanOrder!" == "" (
	ECHO !DATE! !TIME! "V_ScanOrder blank, setting V_ScanOrder=TFF"
	ECHO !DATE! !TIME! "V_ScanOrder blank, setting V_ScanOrder=TFF" 
	set "V_ScanOrder=TFF"
)
Call :get_mediainfo_parameter "Video" "HDR_Format" "V_HDR_Format" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format/String" "V_HDR_Format_String" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format_Commercial" "V_HDR_Format_Commercial" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format_Version" "V_HDR_Format_Version" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format_Profile" "V_HDR_Format_Profile" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format_Level" "V_HDR_Format_Level" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format_Settings" "V_HDR_Format_Settings" "%~f1" 
Call :get_mediainfo_parameter "Video" "HDR_Format_Compatibility" "V_HDR_Format_Compatibility" "%~f1" 
REM
Call :get_mediainfo_parameter "Video" "colour_description_presence" "V_colour_description_presence" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_range" "V_colour_range" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_range_Source" "V_colour_range_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_range_Original" "V_colour_range_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_range_Original_Source" "V_colour_range_Original_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_primaries" "V_colour_primaries" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_primaries_Source" "V_colour_primaries_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_primaries_Original" "V_colour_primaries_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "colour_primaries_Original_Source" "V_colour_primaries_Original_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "transfer_characteristics" "V_transfer_characteristics" "%~f1" 
Call :get_mediainfo_parameter "Video" "transfer_characteristics_Source" "V_transfer_characteristics_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "matrix_coefficients" "V_matrix_coefficients" "%~f1" 
Call :get_mediainfo_parameter "Video" "matrix_coefficients_Source" "V_matrix_coefficients_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "MasteringDisplay_ColorPrimaries" "V_MasteringDisplay_ColorPrimaries" "%~f1" 
Call :get_mediainfo_parameter "Video" "MasteringDisplay_ColorPrimaries_Source" "V_MasteringDisplay_ColorPrimaries_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "MasteringDisplay_Luminance" "V_MasteringDisplay_Luminance" "%~f1" 
Call :get_mediainfo_parameter "Video" "MasteringDisplay_Luminance_Source" "V_MasteringDisplay_Luminance_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxCLL" "V_MaxCLL" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxCLL_Source" "V_MaxCLL_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxCLL_Original" "V_MaxCLL_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxCLL_Original_Source" "V_MaxCLL_Original_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxFALL" "V_MaxFALL" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxFALL_Source" "V_MaxFALL_Source" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxFALL_Original" "V_MaxFALL_Original" "%~f1" 
Call :get_mediainfo_parameter "Video" "MaxFALL_Original_Source" "V_MaxFALL_Original_Source" "%~f1" 
REM
Call :get_ffprobe_video_stream_parameter "codec_name" "V_CodecID_FF" "%~f1" 
Call :get_ffprobe_video_stream_parameter "codec_tag_string" "V_CodecID_String_FF" "%~f1" 
Call :get_ffprobe_video_stream_parameter "width" "V_Width_FF" "%~f1" 
Call :get_ffprobe_video_stream_parameter "height" "V_Height_FF" "%~f1" 
Call :get_ffprobe_video_stream_parameter "duration" "V_Duration_s_FF" "%~f1" 
Call :get_ffprobe_video_stream_parameter "bit_rate" "V_BitRate_FF" "%~f1" 
Call :get_ffprobe_video_stream_parameter "max_bit_rate" "V_BitRate_Maximum_FF" "%~f1"
REM
Call :get_mediainfo_parameter "Audio" "CodecID" "A_CodecID" "%~f1" 
Call :get_mediainfo_parameter "Audio" "CodecID/String" "A_CodecID_String" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Video_Delay" "A_Video_Delay_ms" "%~f1" 
IF /I "!A_Video_Delay_ms!" == "" (
	set /a A_Audio_Delay_ms=0
) ELSE (
	set /a A_Audio_Delay_ms=0 - !A_Video_Delay_ms!
)
ECHO !DATE! !TIME! "A_Video_Delay_ms=!A_Video_Delay_ms!" 
ECHO !DATE! !TIME! "A_Audio_Delay_ms=!A_Audio_Delay_ms!" Calculated 
REM
Call :get_mediainfo_parameter "Audio" "Video_Delay/String" "A_Video_Delay_String" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Video_Delay/String1" "A_Video_Delay_String1" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Video_Delay/String2" "A_Video_Delay_String2" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Video_Delay/String3" "A_Video_Delay_String3" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Video_Delay/String4" "A_Video_Delay_String4" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Video_Delay/String5" "A_Video_Delay_String5" "%~f1" 
Call :get_mediainfo_parameter "Audio" "InternetMediaType" "A_InternetMediaType" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format" "A_Format" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format/String" "A_Format_String" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format/Info" "A_Format_Info" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format_Commercial" "A_Format_Commercial" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format_Commercial_IfAny" "A_Format_Commercial_IfAny" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format_Version" "A_Format_Version" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format_Profile" "A_Format_Profile" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format_Level" "A_Format_Level" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Format_Compression" "A_Format_Compression" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Channel(s)" "A_Channels" "%~f1" 
Call :get_mediainfo_parameter "Audio" "Channel(s)/String" "A_Channels_String" "%~f1"
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  4. 30th Jan 2021 17:36 #4
    hydra3333
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    Oh.
    The original post is dated yonks ago.
    Never mind, the info is there for posterity anyway.
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  5. 31st Jan 2021 06:58 #5
    metis
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    @ hydra3333

    The original post is dated yonks ago.
    This Subject/Question exists since there is 'FFmpeg'.
    At least, Bassquake (and maybe others) now got an Idea to get it solved.
    A Forum is a Repository, as well. Otherwise, any elder Thread could be deleted.
    Life could be so easy, if there weren't those f*** Details.
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  6. 1st Feb 2021 03:17 #6
    Budman1
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    I find its easier to use MediaInfo:

    Code:
    ::@ echo off
"MediaInfo.exe" --inform=Video;%%Width%% "C:\Users\bud\Desktop\xInstagram.mp4" > "C:\Users\bud\Desktop\test.txt"
set /p width= < "C:\Users\bud\Desktop\test.txt" 
"MediaInfo.exe" --inform=Video;%%Height%% "C:\Users\bud\Desktop\xInstagram.mp4" > "C:\Users\bud\Desktop\test.txt"
set /p height= < "C:\Users\bud\Desktop\test.txt"
echo resolution is: %width%x%height%
"ffmpeg" -i "C:\Users\bud\Desktop\xInstagram.mp4" -vf scale=%width%:%height% outputtt.mp4
    Result:
    resolution is: 1152x648
    and file outputtt.mp4

    Media Info gets video attribute and pipes it to test.txt then imports to set each variable.
    Use the variable how you wish for ffmpeg. Here I have just used it to output another video with height and width specifications
    Use double %% for cmd file mediainfo part. Single % for ffmpeg cmd variables

    Be VERY careful with Capitalization and quotes. Height works, height doesn't. MediaInfo is fussy that way.
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  7. 2nd Feb 2021 11:36 #7
    metis
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    And to do it (still) with FFProbe and -show_entries, see here:

    StackExchange: How to use ffprobe to obtain certain information about mp4/h.264 files

    and

    FFmpeg-Wiki: FFProbe-Tips
    -> GoTo "Width x Height (resolution)".
    Life could be so easy, if there weren't those f*** Details.
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  8. 2nd Feb 2021 12:32 #8
    jagabo
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    Here's how you can get the width and height into separate environment variables using ffprobe (similar to the MediaInfoCLI technique):

    Code:
    @echo off
ffprobe.exe -v quiet -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 -select_streams v:0 %1 > %1.txt
set /p width= < %1.txt
ffprobe.exe -v quiet -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 -select_streams v:0 %1 > %1.txt
set /p height= < %1.txt
del %1.txt

REM At this point the environment variables "width" and "height" are available to your ffmpeg command line.
REM for example, to scale to half width and half height:
ffmpeg -i %1 -vf scale=%width%/2:%height%/2 output.mkv
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  9. 10th Feb 2021 08:59 #9
    Bassquake
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    Originally Posted by jagabo View Post
    Here's how you can get the width and height into separate environment variables using ffprobe (similar to the MediaInfoCLI technique):

    Code:
    @echo off
ffprobe.exe -v quiet -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 -select_streams v:0 %1 > %1.txt
set /p width= < %1.txt
ffprobe.exe -v quiet -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 -select_streams v:0 %1 > %1.txt
set /p height= < %1.txt
del %1.txt

REM At this point the environment variables "width" and "height" are available to your ffmpeg command line.
REM for example, to scale to half width and half height:
ffmpeg -i %1 -vf scale=%width%/2:%height%/2 output.mkv
    Thanks. I had a go.

    unfortunately it seems batch files only seems to support integers. I needed to divide the width and height to give decimal numbers for ffmpegs -aspect: tag. It will only give 1 rather than 1.277.

    Also doesnt work on avs scripts.

    Oh well, was worth a try.

    This was what I tried:

    Code:
    @echo off
ffprobe.exe -v quiet -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 -select_streams v:0 %1 > %1.txt
set /p width= < %1.txt
ffprobe.exe -v quiet -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 -select_streams v:0 %1 > %1.txt
set /p height= < %1.txt
set a=%width%
set b=%height%
set /a ratio=a/b

REM At this point the environment variables "width" and "height" are available to your ffmpeg command line.
REM for example, to scale to half width and half height:
ffmpeg -i %1 -aspect: %ratio% output.mkv
pause
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  10. 10th Feb 2021 09:15 #10
    jagabo
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    ffmpeg's -aspect tag accepts two values separate by a colon.

    You can create an AVS script that uses the environment variables with a batch file.
    Last edited by jagabo; 10th Feb 2021 at 09:22.
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  11. 10th Feb 2021 09:28 #11
    Bassquake
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    Originally Posted by jagabo View Post
    ffmpeg's -aspect tag accepts two values separate by a colon.
    Cool. That works:

    Code:
    ffmpeg -i %1 -aspect: %width%:%height% output.mkv
    I'm guessing it's impossible to have the ffprobe work on avisynth scripts (currently using AvSPMod)?
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  12. 10th Feb 2021 09:34 #12
    jagabo
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    I added information to my last post about how you can pass environment variables to AVS script.
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  13. 10th Feb 2021 09:39 #13
    Bassquake
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    Originally Posted by jagabo View Post
    I added information to my last post about how you can pass environment variables to AVS script.
    Cheers. Didnt see it till refeshed page.
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