The PSP cannot stream Google Videos / YouTube directly. Its browser (NetFront) lacks modern HTML5/JS support, Flash is dead, and no official app exists.
ffmpeg -i input.mp4 -vf scale=480:272 -c:v libx264 -profile:v baseline -level 3.0 -b:v 768k -c:a aac -b:a 128k output.mp4MP_ROOT/100MNV01/ (naming: M4Vxxxxx.mp4).VIDEO/ folder (requires system software 2.80+).Same process. PSP Go uses internal 16 GB — connect via USB or Media Go (PC software).
Bottom Line: Convert on PC → transfer via USB. No streaming. HandBrake + yt-dlp is the modern, free, reliable pipeline.