L'octidi 28 nivôse, an CCXXIII, Kieran Kunhya a écrit : > Oops I misunderstood, you mean the software must comply with the users wishes.
Yes. > Anyway my argument is that BT601 should be the default for the these > resolutions. If you want, but that must happen immediately when the contents enters into FFmpeg's data structure, not at a random point in the processing chain. In other words, it should happen immediately when FFmpeg reads contents that is "probably" BT601: Input stream #0:0: Video: mpeg2video (Main), yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9] should be fixed into: Input stream #0:0: Video: mpeg2video (Main), yuv420p(tv), 720x576 [SAR 512:351 DAR 640:351] That way, the laws of geometry and arithmetic are respected, the size of the pixels is correct, and it will work will all encoders, not just nvenc. Regards, -- Nicolas George
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