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I am extracting frames at 2fps.
And I need showinfo at two points:
- (1) For all frames.
- (2) After 2 fps extraction
cmd: ffmpeg -i friends.mp4 -filter_complex "split=2[mid0][mid1];[mid0]showinfo[out0];[mid1]fps=2,showinfo[out1]" -map [out0] frames0/x%03d.png -map [out1] frames1/x%03d.png
Now the whole output gets mixed on the terminal, as below
[Parsed_showinfo_1 @ 0x7fb8ebf037c0] n: 1 pts: 3754 pts_time:0.0417111 pos: 246914 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:P checksum:7E056AD1 plane_checksum:[D5EB194B BDD5CF7C 75E381FB] mean:[57 123 137] stdev:[36.5 6.5 8.0]
[Parsed_showinfo_1 @ 0x7fb8ebf037c0] n: 2 pts: 7508 pts_time:0.0834222 pos: 252215 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:B checksum:87159AAB plane_checksum:[CCD80309 956BEACA 144AACC9] mean:[57 123 137] stdev:[36.5 6.5 7.9]
[Parsed_showinfo_1 @ 0x7fb8ebf037c0] n: 3 pts: 11261 pts_time:0.125122 pos: 247005 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:P checksum:FAFA0032 plane_checksum:[71C79CF4 3377CF1C EBFA9404] mean:[57 123 137] stdev:[36.5 6.5 7.9]
[Parsed_showinfo_1 @ 0x7fb8ebf037c0] n: 4 pts: 15015 pts_time:0.166833 pos: 261283 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:B checksum:21F39AC2 plane_checksum:[BA8B3415 081ACEC5 129F97D9] mean:[57 123 137] stdev:[36.5 6.5 7.9]
[Parsed_showinfo_1 @ 0x7fb8ebf037c0] n: 5 pts: 18769 pts_time:0.208544 pos: 262360 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:B checksum:5C471071 plane_checksum:[1BD99C05 BD7AD425 4616A029] mean:[57 123 137] stdev:[36.5 6.5 7.9]
[Parsed_showinfo_1 @ 0x7fb8ebf037c0] n: 6 pts: 22523 pts_time:0.250256 pos: 253267 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:P checksum:69C1166A plane_checksum:[FE61A7E3 2775CED3 93BE9F96] mean:[57 123 137] stdev:[36.5 6.5 7.9]
[Parsed_showinfo_3 @ 0x7fb8ebf03cc0] n: 0 pts: 0 pts_time:0 pos: 262360 fmt:yuv420p sar:1/1 s:1280x720 i:P iskey:0 type:B checksum:5C471071 plane_checksum:[1BD99C05 BD7AD425 4616A029] mean:[57 123 137] stdev:[36.5 6.5 7.9]
Would it instead be possible to directly output information from each showinfo to separate files (without having to do stdout/stderr redirection from terminal)?
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