uhd_hd_stat_mux
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uhd_hd_stat_mux [2018/12/09 19:55] – walkeradmin | uhd_hd_stat_mux [2023/03/09 22:35] (current) – external edit 127.0.0.1 | ||
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==== Introduction ==== | ==== Introduction ==== | ||
- | When using the <color # | ||
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+ | When using the <color # | ||
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- | When you have a mixed Stat Mux configuration (in terms of mixed resolutions) specifically in terms of HD/UHD then you might find that the UHD is starved of bits (depending on the content). | + | When you have a mixed Stat Mux configuration (in terms of mixed resolutions) specifically in terms of HD/UHD then you might find that the UHD is starved of bits (depending on the HD/ |
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- | There is an Advanced Parameter in the MFSP that allows some control of the Stat n) Mux distribution (by resolution) that we can use to balance things up. | + | There is an Advanced Parameter in the MFSP that allows some control of the Stat Mux distribution (by resolution) that we can use to balance things up. This is not service specific, so any changes will affect all services. |
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+ | ==== Advanced Parameter ==== | ||
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The Advanced Parameter is called <color # | The Advanced Parameter is called <color # | ||
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So the UHD will get 2.82 more bits if the value is the default ' | So the UHD will get 2.82 more bits if the value is the default ' | ||
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- | For my example of 2xHD 1xUHD, I had to set the <color # | + | For my example of 2xHD 1xUHD, I had to set the <color # |
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- | The UHD did manage a much higher average bit rate, going up to 34Mb/s for longer periods. | + | After changing the Advanced Parameter <color # |
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- | In the second test we had 4xDrama | + | In the second test we had 4 x Drama and 1 x UHD Sport. In this example the UHD was taking 32-38Mb/s for a lot of the time, and really stealing all of the bits from the 4 x HD (Drama) content, so my original value of 8 needed dialling back a little for this scenario. |
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+ | ==== Advanced Parameter Location ==== | ||
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The Advanced Parameter lives in the MFSP in the following location: | The Advanced Parameter lives in the MFSP in the following location: | ||
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- | / | + | |
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+ | The file that needs to be edited is called: | ||
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- | Edit the mpeg4.cfg location exactly as below: | + | Edit the mpeg4.cfg location exactly as below: |
< | < | ||
" | " | ||
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} | } | ||
</ | </ | ||
+ | Remember, this is a json file, so Syntax is super important. | ||
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uhd_hd_stat_mux.txt · Last modified: 2023/03/09 22:35 by 127.0.0.1