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Extend placeholders

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1. Allow variables in placeholders for parameter values, e.g.
   {rtmp,name=$processid}. The variable starts with a $ letter.
   The recognized variables are provided with the Replace func.

2. The template func recieves the process config and the name of
   the section where this placeholder is located, i.e. "global",
   "input", or "output".
This commit is contained in:
Ingo Oppermann
2023-01-20 13:38:33 +01:00
parent e374f83377
commit 0147651de6
5 changed files with 234 additions and 134 deletions
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78
app/api/api.go
View File

@@ -31,6 +31,7 @@ import (
"github.com/datarhei/core/v16/net"
"github.com/datarhei/core/v16/prometheus"
"github.com/datarhei/core/v16/restream"
restreamapp "github.com/datarhei/core/v16/restream/app"
"github.com/datarhei/core/v16/restream/replace"
"github.com/datarhei/core/v16/restream/store"
"github.com/datarhei/core/v16/rtmp"
@@ -449,39 +450,62 @@ func (a *api) start() error {
a.replacer = replace.New()
{
a.replacer.RegisterTemplate("diskfs", a.diskfs.Base(), nil)
a.replacer.RegisterTemplate("memfs", a.memfs.Base(), nil)
a.replacer.RegisterTemplateFunc("diskfs", func(config *restreamapp.Config, section string) string {
return a.diskfs.Base()
}, nil)
host, port, _ := gonet.SplitHostPort(cfg.RTMP.Address)
if len(host) == 0 {
host = "localhost"
}
a.replacer.RegisterTemplateFunc("fs:disk", func(config *restreamapp.Config, section string) string {
return a.diskfs.Base()
}, nil)
template := "rtmp://" + host + ":" + port
if cfg.RTMP.App != "/" {
template += cfg.RTMP.App
}
template += "/{name}"
a.replacer.RegisterTemplateFunc("memfs", func(config *restreamapp.Config, section string) string {
return a.memfs.Base()
}, nil)
if len(cfg.RTMP.Token) != 0 {
template += "?token=" + cfg.RTMP.Token
}
a.replacer.RegisterTemplateFunc("fs:mem", func(config *restreamapp.Config, section string) string {
return a.memfs.Base()
}, nil)
a.replacer.RegisterTemplate("rtmp", template, nil)
a.replacer.RegisterTemplateFunc("rtmp", func(config *restreamapp.Config, section string) string {
host, port, _ := gonet.SplitHostPort(cfg.RTMP.Address)
if len(host) == 0 {
host = "localhost"
}
host, port, _ = gonet.SplitHostPort(cfg.SRT.Address)
if len(host) == 0 {
host = "localhost"
}
template := "rtmp://" + host + ":" + port
if cfg.RTMP.App != "/" {
template += cfg.RTMP.App
}
template += "/{name}"
template = "srt://" + host + ":" + port + "?mode=caller&transtype=live&latency={latency}&streamid={name},mode:{mode}"
if len(cfg.SRT.Token) != 0 {
template += ",token:" + cfg.SRT.Token
}
if len(cfg.SRT.Passphrase) != 0 {
template += "&passphrase=" + cfg.SRT.Passphrase
}
a.replacer.RegisterTemplate("srt", template, map[string]string{
if len(cfg.RTMP.Token) != 0 {
template += "?token=" + cfg.RTMP.Token
}
return template
}, nil)
a.replacer.RegisterTemplateFunc("srt", func(config *restreamapp.Config, section string) string {
host, port, _ = gonet.SplitHostPort(cfg.SRT.Address)
if len(host) == 0 {
host = "localhost"
}
template := "srt://" + host + ":" + port + "?mode=caller&transtype=live&latency={latency}&streamid={name}"
if section == "output" {
template += ",mode:publish"
} else {
template += ",mode:request"
}
if len(cfg.SRT.Token) != 0 {
template += ",token:" + cfg.SRT.Token
}
if len(cfg.SRT.Passphrase) != 0 {
template += "&passphrase=" + cfg.SRT.Passphrase
}
return template
}, map[string]string{
"latency": "20000", // 20 milliseconds, FFmpeg requires microseconds
})
}