1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | ffmpeg \-i "v1.mp4" \-i "v2.mp4" \-filter_complex " \nullsrc=size=1900x950 [base]; \[0:v] setpts=PTS-STARTPTS, scale=950x950 [left]; \[1:v] setpts=PTS-STARTPTS, scale=950x950 [right]; \[base][left] overlay=shortest=1 [tmp1]; \[tmp1][right] overlay=shortest=1:x=950 \" \-c:v libx264 output2.mkvffmpeg \-i "v1.mp4" \-i "v2.mp4" \-i "v3.mp4" \-i "v4.mp4" \-filter_complex " \nullsrc=size=1900x1900 [base]; \[0:v] setpts=PTS-STARTPTS, scale=950x950 [upperleft]; \[1:v] setpts=PTS-STARTPTS, scale=950x950 [upperright]; \[2:v] setpts=PTS-STARTPTS, scale=950x950 [lowerleft]; \[3:v] setpts=PTS-STARTPTS, scale=950x950 [lowerright]; \[base][upperleft] overlay=shortest=1 [tmp1]; \[tmp1][upperright] overlay=shortest=1:x=950 [tmp2]; \[tmp2][lowerleft] overlay=shortest=1:y=950 [tmp3]; \[tmp3][lowerright] overlay=shortest=1:x=950:y=950 \" \-c:v libx264 output4.mkvffmpeg \-i "video.mp4" \-i "drones/0/video.mp4" \-i "drones/1/video.mp4" \-i "drones/2/video.mp4" \-i "drones/3/video.mp4" \-i "drones/4/video.mp4" \-filter_complex " \nullsrc=size=2850x1900 [base]; \[0:v] setpts=PTS-STARTPTS, scale=950x950 [upperleft]; \[1:v] setpts=PTS-STARTPTS, scale=950x950 [uppermiddle]; \[2:v] setpts=PTS-STARTPTS, scale=950x950 [upperleft]; \[3:v] setpts=PTS-STARTPTS, scale=950x950 [lowerleft]; \[4:v] setpts=PTS-STARTPTS, scale=950x950 [lowermiddle]; \[5:v] setpts=PTS-STARTPTS, scale=950x950 [lowerright]; \[base][upperleft] overlay=shortest=1 [tmp1]; \[tmp1][uppermiddle] overlay=shortest=1:x=950 [tmp2]; \[tmp2][upperleft] overlay=shortest=1:x=1900 [tmp3]; \[tmp3][lowerleft] overlay=shortest=1:y=950 [tmp4]; \[tmp4][lowermiddle] overlay=shortest=1:y=950:x=950 [tmp5]; \[tmp5][lowerright] overlay=shortest=1:y=950:x=1900 \" \-c:v libx264 output6.mkv |
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in your 3rd iteration you have [upperleft] twice instead of [upperright]
thank you for posting this though, it’s helpful to see it written out this way
you save my day,thanks