Hi. I have searched for a solution, but without success. Maybe I am not looking for the correct thing or term. I am trying to save video output from FFplay for analysis. I am modifying some of the H.264 decoder source code in FFmpeg and then using FFplay to view the visual results by playing an mp4 video-only file containing H.264-encoded video data. However, I don't know how to save the FFplay output once I run FFplay. I'm thinking it is something similar to a dump.
Alternatively, how can I use FFmpeg to play the file, view the video and save the output rather than just doing conversions, etc. in the console? It seems that there should be a way to call FFplay from FFmpeg and then save/dump the visual results.
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Thread: Saving FFplay output
ffmpeg -i input.ext -vcodec huffyuv -acodec copy output.avi
For example this will output with huffyuv (lossless) compression - you need plenty of HDD space
You could use other types of compression if you want, or even lossy compression depending on your goals - maybe a certain level of quality is enough for your purposes
Alright. I will give this a try and report back.
In any case, I was able to output a lossless file encapsulated as an avi according to your earlier suggestion. I played the video file and I was able to see what I wanted. Thank you very much. Eventually, I am going to save different versions of the same video based on different decoder modifications and then compare them quality-wise. I hope this all makes sense now.