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Add ability to format output URL with the start time of the stream, if the stream is recorded.

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This commit is contained in:
Yohann D'ANELLO 2020-10-21 11:47:06 +02:00
parent ac2f87e936
commit 5ea8a0913b
2 changed files with 21 additions and 4 deletions
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4
docs/ghostream.example.yml
View File

@ -38,13 +38,17 @@ auth:
## Stream forwarding ##
# Forward an incoming stream to other servers
# The URL can be anything FFMpeg can accept as an stream output
# If a file is specified, the name may contains %Y, %m, %d, %H, %M or %S
# that will be replaced by the current date information.
forwarding:
# By default nothing is forwarded.
#
# This example forwards a stream named "demo" to Twitch and YouTube,
# and save the record in a timestamped-file,
#demo:
# - rtmp://live-cdg.twitch.tv/app/STREAM_KEY
# - rtmp://a.rtmp.youtube.com/live2/STREAM_KEY
# - /home/ghostream/lives/%name/live-%Y-%m-%d-%H-%M-%S.flv
## Prometheus monitoring ##
# Expose a monitoring endpoint for Prometheus

21
stream/forwarding/forwarding.go
View File

@ -3,8 +3,11 @@ package forwarding
import (
"bufio"
"fmt"
"log"
"os/exec"
"strings"
"time"
"gitlab.crans.org/nounous/ghostream/messaging"
)
@ -49,20 +52,30 @@ func Serve(streams *messaging.Streams, cfg Options) {
// Start forwarding
log.Printf("Starting forwarding for '%s' quality '%s'", name, qualityName)
go forward(quality, streamCfg)
go forward(name, quality, streamCfg)
}
}
// Start a FFMPEG instance and redirect stream output to forwarded streams
func forward(q *messaging.Quality, fwdCfg []string) {
func forward(streamName string, q *messaging.Quality, fwdCfg []string) {
output := make(chan []byte, 1024)
q.Register(output)
// Launch FFMPEG instance
params := []string{"-hide_banner", "-loglevel", "error", "-re", "-i", "pipe:0"}
for _, url := range fwdCfg {
// If the url should be date-formatted, replace special characters with the current time information
now := time.Now()
formattedURL := strings.ReplaceAll(url, "%Y", fmt.Sprintf("%04d", now.Year()))
formattedURL = strings.ReplaceAll(formattedURL, "%m", fmt.Sprintf("%02d", now.Month()))
formattedURL = strings.ReplaceAll(formattedURL, "%d", fmt.Sprintf("%02d", now.Day()))
formattedURL = strings.ReplaceAll(formattedURL, "%H", fmt.Sprintf("%02d", now.Hour()))
formattedURL = strings.ReplaceAll(formattedURL, "%M", fmt.Sprintf("%02d", now.Minute()))
formattedURL = strings.ReplaceAll(formattedURL, "%S", fmt.Sprintf("%02d", now.Second()))
formattedURL = strings.ReplaceAll(formattedURL, "%name", streamName)
params = append(params, "-f", "flv", "-preset", "ultrafast", "-tune", "zerolatency",
"-c", "copy", url)
"-c", "copy", formattedURL)
}
ffmpeg := exec.Command("ffmpeg", params...)
@ -95,7 +108,7 @@ func forward(q *messaging.Quality, fwdCfg []string) {
go func() {
scanner := bufio.NewScanner(errOutput)
for scanner.Scan() {
log.Printf("[FORWARDING FFMPEG] %s", scanner.Text())
log.Printf("[FORWARDING FFMPEG %s] %s", streamName, scanner.Text())
}
}()