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| VIVOTEK | |
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| mpeg4_ratecontrolmode | cbr, vbr | vbr | cbr: constant bitrate |
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| vbr: fix quality |
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| mpeg4_quant | 0, 1~5 | 3 | Quality of video when choosing vbr in |
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| 99, 1~5 |
| “mpeg4_ratecontrolmode”. |
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| <product dependent> |
| 0,99 is the customized manual input |
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| setting. |
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| 1 = worst quality, 5 = best quality. |
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| <product dependent> |
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| mpeg4_qvalue | 1~31 | 7 | Manual video quality level input. |
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| 2~31 | <product | (This must be present if mpeg4_quant |
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| <product dependent> | dependent> | is equal to 0, 99) |
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| <product dependent> |
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| <product dependent> |
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| mpeg4_bitrate | 1000~8000000 | 512000 | Set bit rate in bps when choosing cbr |
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| 1000~4000000 | <product | in “mpeg4_ratecontrolmode”. |
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| <product dependent> | dependent> |
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| mpeg4_maxframe | 1~25, | 10 | Set maximum frame rate in fps (for |
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| 26~30 (only for NTSC or | 15 |
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| 60Hz CMOS) | <product |
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| dependent> |
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| h264_intraperiod | 250, 500, 1000, 2000, 3000, | 1000 | Intra frame period in milliseconds. |
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| 4000 |
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| h264_ratecontrolmode | cbr, vbr | vbr | cbr: constant bitrate |
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| vbr: fix quality |
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| h264_quant | 0, 1~5 | 3 | Quality of video when choosing vbr in |
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| 99, 1~5 |
| “h264_ratecontrolmode”. |
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| <product dependent> |
| 0,99 is the customized manual input |
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| setting. |
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| 1 = worst quality, 5 = best quality. |
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| <product dependent> |
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| h264_qvalue | 0~51 | 30 | Manual video quality level input. |
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| <product dependent> | <product | (This must be present if h264_quant is |
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| dependent> | equal to 0, 99) |
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| <product dependent> |
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| h264_bitrate | 1000~8000000 | 512000 | Set bit rate in bps when choosing cbr |
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| 1000~4000000 | <product | in “h264_ratecontrolmode”. |
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| <product dependent> | dependent> |
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| h264_maxframe | 1~25, | 10 | Set maximum frame rate in fps (for |
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| 26~30 (only for NTSC or | 15 | h264). |
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| 60Hz CMOS) | <product |
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User's Manual - 227
