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README.md changes for video-ffmpeg feature

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Mike Dilger 2023-04-26 12:07:48 +12:00
parent 3541816cb3
commit b1132486d1
1 changed files with 13 additions and 4 deletions
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README.md
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@ -116,7 +116,6 @@ Most dependencies are probably already installed in your base operating system.
- pkg-config (debian: "pkg-config") - pkg-config (debian: "pkg-config")
- openssl (debian: "libssl-dev") - openssl (debian: "libssl-dev")
- fontconfig (debian: "libfontconfig1-dev") - fontconfig (debian: "libfontconfig1-dev")
- rust-sdl2 (follow the instructions in the [readme](https://github.com/Rust-SDL2/rust-sdl2/))
#### macOS #### macOS
@ -200,15 +199,25 @@ Gossip by default does not include the CJK font because it is larger than all ot
There are so many of these (172) that it becomes a real pain to add them all. But if you need one, please ask (open an issue) and I'll add it for you. There are so many of these (172) that it becomes a real pain to add them all. But if you need one, please ask (open an issue) and I'll add it for you.
### Known Issues ### Video Playback
#### Sqlite Constraint Issues (Foreign or Unique Key) You will need to install sdl2 (follow the instructions in the [readme](https://github.com/Rust-SDL2/rust-sdl2/)) and ffmpeg on your system.
Compile with
````
--features=video-ffmpeg
````
## Known Issues
### Sqlite Constraint Issues (Foreign or Unique Key)
First you need to locate your database file. The gossip directory is under this path: https://docs.rs/dirs/4.0.0/dirs/fn.data_dir.html The database file is `gossip.sqlite`. Then you need to install `sqlite3` on your system. First you need to locate your database file. The gossip directory is under this path: https://docs.rs/dirs/4.0.0/dirs/fn.data_dir.html The database file is `gossip.sqlite`. Then you need to install `sqlite3` on your system.
Using `sqlite3` on your database file, the following kind of SQL can help you identify rows that violate foreign key constraints. Using `sqlite3` on your database file, the following kind of SQL can help you identify rows that violate foreign key constraints.
##### Error: Sql(SqliteFailure(Error { code: ConstraintViolation, extended_code: 2067 }, Some("UNIQUE constraint failed: person_relay.person, person_relay.relay"))) #### Error: Sql(SqliteFailure(Error { code: ConstraintViolation, extended_code: 2067 }, Some("UNIQUE constraint failed: person_relay.person, person_relay.relay")))
You can find which rows are duplicated using: `select a.person, a.relay FROM person_relay a INNER JOIN person_relay b WHERE a.person=b.person AND a.relay=b.relay AND a.rowid!=b.rowid;` You'll need to delete one row from each pair (by rowid so you don't delete both of them). You can find which rows are duplicated using: `select a.person, a.relay FROM person_relay a INNER JOIN person_relay b WHERE a.person=b.person AND a.relay=b.relay AND a.rowid!=b.rowid;` You'll need to delete one row from each pair (by rowid so you don't delete both of them).