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fix broken link to on-demand section

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Scott Lamb 2021-05-15 21:53:36 -07:00
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1 changed files with 8 additions and 7 deletions
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design/schema.md
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@ -229,12 +229,13 @@ duration of recordings.
at the end of each file. At the bitrates described in "Background", this at the end of each file. At the bitrates described in "Background", this
is an insignicant .02% waste for main streams and .5% waste for sub is an insignicant .02% waste for main streams and .5% waste for sub
streams. streams.
* Number of "slices" in .mp4 files. As described [below](#on-demand), * Number of "slices" in .mp4 files. As described
`.mp4` files will be constructed on-demand for export. It should be [below](#on-demand-mp4-construction), `.mp4` files will be constructed
possible to export an hours-long segment without too much overhead. In on-demand for export. It should be possible to export an hours-long segment
particular, it must be possible to iterate through all the recordings, without too much overhead. In particular, it must be possible to iterate
assemble the list of slices, and calculate offsets and total size. One through all the recordings, assemble the list of slices, and calculate
minute seems acceptable; though we will watch this as work proceeds. offsets and total size. One minute seems acceptable; though we will watch
this as work proceeds.
* Crashes. On program crash or power loss, ideally it's acceptable to simply * Crashes. On program crash or power loss, ideally it's acceptable to simply
discard any recordings in progress rather than add a checkpointing scheme. discard any recordings in progress rather than add a checkpointing scheme.
* Granularity of retention. It should be possible to extend retention time * Granularity of retention. It should be possible to extend retention time
@ -669,7 +670,7 @@ See also the example below:
| varint2 | 2000 | 20 | 10 | 5 | 100 | | varint2 | 2000 | 20 | 10 | 5 | 100 |
| encoded | `29 d0 0f` | `02 14` | `08 0a` | `02 05` | `01 64` | | encoded | `29 d0 0f` | `02 14` | `08 0a` | `02 05` | `01 64` |
### <a href="on-demand"></a>On-demand `.mp4` construction ### On-demand `.mp4` construction
A major goal of this format is to support on-demand serving in various formats, A major goal of this format is to support on-demand serving in various formats,
including two types of `.mp4` files: including two types of `.mp4` files: