First, create concat.txt :
ffmpeg -f concat -safe 0 -i concat.txt -c copy "S02_11_12_merged.mkv" ⚠️ Works perfectly if both episodes have identical codecs, resolution, and frame rate. From S02E09, from 00:32:10 to 00:35:40: superman & lois s02 ffmpeg
-c:v libx265 -x265-params "colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc" -pix_fmt yuv420p10le Want to isolate the 5.1 English track for analysis or dubbing? First, create concat