[FFmpeg-user] ScaleUp the Raw file

[Michael Koch]

Am 19.10.2022 um 21:50 schrieb Naveen.B:
>>>>> I got an error by trying this command. Could you kindly let me know if
>>>> this
>>>>> is feasible?
>>>> Always always always include the complete output of ffmpeg when asking
>> for
>>>> help. For one, we don't know what error you got.
>>>>
>>>> C:\Naveen\projects\DMS\software\ffmpeg_full\ffmpeg\bin>ffmpeg -i
>>>> CapturedImage-001.raw -vf scale=1920:1080 CapturedImageScale-001.raw
>>>> ffmpeg version 2022-06-20-git-56419428a8-full_build-www.gyan.dev
>>>> Copyright (c) 2000-2022 the FFmpeg developers
>>>>     built with gcc 11.3.0 (Rev1, Built by MSYS2 project)
>>>>     configuration: --enable-gpl --enable-version3 --enable-static
>>>> --disable-w32threads --disable-autodetect --enable-fontconfig
>>>> --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp
>> --enable-bzlib
>>>> --enable-lzma --enable-libsnappy --enable-zlib --enable-librist
>>>> --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth
>>>> --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d
>>>> --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e
>>>> --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265
>>>> --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl
>>>> --enable-libopenjpeg --enable-libvpx --enable-mediafoundation
>>>> --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi
>>>> --enable-liblensfun --enable-libvidstab --enable-libvmaf
>> --enable-libzimg
>>>> --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec
>>>> --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2
>>>> --enable-libmfx --enable-libshaderc --enable-vulkan --enable-libplacebo
>>>> --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug
>>>> --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame
>>>> --enable-libshine --enable-libtheora --enable-libtwolame
>>>> --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm
>>>> --enable-libopencore-amrnb --enable-libopus --enable-libspeex
>>>> --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite
>>>> --enable-libmysofa --enable-librubberband --enable-libsoxr
>>>> --enable-chromaprint
>>>>     libavutil      57. 27.100 / 57. 27.100
>>>>     libavcodec     59. 33.100 / 59. 33.100
>>>>     libavformat    59. 25.100 / 59. 25.100
>>>>     libavdevice    59.  6.100 / 59.  6.100
>>>>     libavfilter     8. 41.100 /  8. 41.100
>>>>     libswscale      6.  6.100 /  6.  6.100
>>>>     libswresample   4.  6.100 /  4.  6.100
>>>>     libpostproc    56.  5.100 / 56.  5.100
>>>> [image2 @ 0000023a84c00880] Format image2 detected only with low score
>> of
>>>> 5, misdetection possible!
>>>> [rawvideo @ 0000023a84c14b40] Invalid pixel format.
>>>> [image2 @ 0000023a84c00880] Failed to open codec in
>>>> avformat_find_stream_info
>>>> [rawvideo @ 0000023a84c14b40] Invalid pixel format.
>>>>       Last message repeated 1 times
>>>> [image2 @ 0000023a84c00880] Failed to open codec in
>>>> avformat_find_stream_info
>>>> [image2 @ 0000023a84c00880] Could not find codec parameters for stream 0
>>>> (Video: rawvideo, none): unspecified size
>>>> Consider increasing the value for the 'analyzeduration' (0) and
>>>> 'probesize' (5000000) options
>>>> Input #0, image2, from 'CapturedImage-001.raw':
>>>>     Duration: 00:00:00.04, start: 0.000000, bitrate: 832000 kb/s
>>>>     Stream #0:0: Video: rawvideo, none, 25 fps, 25 tbr, 25 tbn
>>>> [NULL @ 0000023a84c15b80] Unable to find a suitable output format for
>>>> 'CapturedImageScale-001.raw'
>>>> CapturedImageScale-001.raw: Invalid argument
>>>>
>>>> C:\Naveen\projects\DMS\software\ffmpeg_full\ffmpeg\bin>
>>>>
>> I think you must tell FFmpeg the pixel format and the size of the input
>> image. If you would use JPG or PNG as input format, then FFmpeg would
>> detect these details automatically. But for RAW format FFmpeg can't know
>> the details.
>>
> I gave the pixel_format and input size is 1920x1080, but I get error width
> is not set and one more error which I dont understand.
>
> C:\Naveen\projects\DMS\software\ffmpeg_full\ffmpeg\bin>ffmpeg -pixel_format
> gray10le -i CapturedImage-001.raw -r 30 -s 1920x1080
> CapturedImageScale-001.raw

The -s option in your command line is for the output size because it's 
written after -i.
You must also set the input size before -i.
Your RAW image contains only pixel data and no header for size and pixel 
format.

Michael