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58 lines
1.7 KiB
58 lines
1.7 KiB
How to get credits-mode working
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You have to adjust the information in 'xvid2.cfg' as this:
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Common information:
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# use credits at the beginning of the movie (0 = no, 1 = yes)
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credits_start = 1
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# set XXX/YYY to begin/end frame of the start credits
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credits_start_begin = XXX
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credits_start_end = YYY
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# use credits at the end of the movie (0 = no, 1 = yes)
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credits_end = 1
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# set XXX/YYY to begin/end frame of the end credits
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credits_end_begin = XXX
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credits_end_end = YYY
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The frame numbers are relative to your encoding range; so if you start
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encoding at frame 100 and your credits start at frame 150, you have to
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set 'credits_start_begin = 50' !
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Credits mode:
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Via 'credits_mode' you can select from several modes for credit
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handling, each using different values:
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VBR_CREDITS_MODE_QUANT:
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# Use a fixed quant for all credit frames
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# use this when doing VBR_MODE_FIXED_QUANT
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credits_fixed_quant = 20
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# use this in all other VBR_MODEs...
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# ...for I-frames
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credits_quant_i = 20
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# ...for P-frames
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credits_quant_p = 20
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Annotation: If and only if credits_quant_i does not equal
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credits_quant_p, then I-frames appear in credits. All other modes do not
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generate I-frames within credits. This conflicts with this comment:
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/* We only care about Keyframes when not in credits */
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Maybe this does also need to be fixed, but I did never try this combination.
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VBR_CREDITS_MODE_RATE:
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# Use only 'credits_quant_ratio' % of the full encoding rate as
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# encoding rate for credit frames, e.g. with encoding rate 700kpbs
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# this uses 140kps for the credits
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credits_quant_ratio = 20
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VBR_CREDITS_MODE_SIZE:
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# Use a fixed size XXX/YYY for all opening/ending credit frames together
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credits_start_size = XXX
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credits_end_size = YYY
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