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Code Issues Releases Wiki Activity

ffmpeg outputs logs only to stderr

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This commit is contained in:
Alexandre Iooss 2020-10-04 20:47:05 +02:00
parent 1576e391eb
commit f3d38dc10d
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GPG Key ID: 6C79278F3FCDCC02
2 changed files with 8 additions and 35 deletions
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16
stream/forwarding/forwarding.go
View File

@ -63,10 +63,6 @@ func registerStream(name string, ffmpegInstances map[string]*exec.Cmd, ffmpegInp
if err != nil { if err != nil {
return err return err
} }
output, err := ffmpeg.StdoutPipe()
if err != nil {
return err
}
errOutput, err := ffmpeg.StderrPipe() errOutput, err := ffmpeg.StderrPipe()
if err != nil { if err != nil {
return err return err
@ -79,19 +75,11 @@ func registerStream(name string, ffmpegInstances map[string]*exec.Cmd, ffmpegInp
return err return err
} }
// Log ffmpeg output // Log standard error output
go func() {
scanner := bufio.NewScanner(output)
for scanner.Scan() {
log.Printf("[FFMPEG %s] %s", name, scanner.Text())
}
}()
// Log also error output
go func() { go func() {
scanner := bufio.NewScanner(errOutput) scanner := bufio.NewScanner(errOutput)
for scanner.Scan() { for scanner.Scan() {
log.Printf("[FFMPEG ERR %s] %s", name, scanner.Text()) log.Printf("[FFMPEG %s] %s", name, scanner.Text())
} }
}() }()

27
stream/forwarding/forwarding_test.go
View File

@ -30,7 +30,6 @@ func TestForwardStream(t *testing.T) {
forwardedFfmpeg := exec.Command("ffmpeg", "-hide_banner", "-loglevel", "error", forwardedFfmpeg := exec.Command("ffmpeg", "-hide_banner", "-loglevel", "error",
"-y", // allow overwrite /dev/null "-y", // allow overwrite /dev/null
"-listen", "1", "-i", "rtmp://127.0.0.1:1936/live/app", "-f", "null", "-c", "copy", "/dev/null") "-listen", "1", "-i", "rtmp://127.0.0.1:1936/live/app", "-f", "null", "-c", "copy", "/dev/null")
forwardingOutput, err := forwardedFfmpeg.StdoutPipe()
forwardingErrOutput, err := forwardedFfmpeg.StderrPipe() forwardingErrOutput, err := forwardedFfmpeg.StderrPipe()
if err != nil { if err != nil {
t.Fatal("Error while querying ffmpeg forwardingOutput:", err) t.Fatal("Error while querying ffmpeg forwardingOutput:", err)
@ -39,17 +38,10 @@ func TestForwardStream(t *testing.T) {
t.Fatal("Error while starting forwarding stream ffmpeg instance:", err) t.Fatal("Error while starting forwarding stream ffmpeg instance:", err)
} }
go func() {
scanner := bufio.NewScanner(forwardingOutput)
for scanner.Scan() {
log.Printf("[FFMPEG FORWARD TEST] %s", scanner.Text())
}
}()
go func() { go func() {
scanner := bufio.NewScanner(forwardingErrOutput) scanner := bufio.NewScanner(forwardingErrOutput)
for scanner.Scan() { for scanner.Scan() {
log.Printf("[FFMPEG FORWARD ERR TEST] %s", scanner.Text()) log.Printf("[FFMPEG FORWARD TEST] %s", scanner.Text())
} }
}() }()
@ -68,7 +60,6 @@ func TestForwardStream(t *testing.T) {
"-re", "-f", "lavfi", "-i", "testsrc=size=640x480:rate=10", "-re", "-f", "lavfi", "-i", "testsrc=size=640x480:rate=10",
"-f", "flv", "srt://127.0.0.1:9712?streamid=demo:") "-f", "flv", "srt://127.0.0.1:9712?streamid=demo:")
output, err := ffmpeg.StdoutPipe()
errOutput, err := ffmpeg.StderrPipe() errOutput, err := ffmpeg.StderrPipe()
if err != nil { if err != nil {
t.Fatal("Error while querying ffmpeg forwardingOutput:", err) t.Fatal("Error while querying ffmpeg forwardingOutput:", err)
@ -79,24 +70,18 @@ func TestForwardStream(t *testing.T) {
} }
go func() { go func() {
scanner := bufio.NewScanner(output) scanner := bufio.NewScanner(errOutput)
for scanner.Scan() { for scanner.Scan() {
log.Printf("[FFMPEG TEST] %s", scanner.Text()) log.Printf("[FFMPEG TEST] %s", scanner.Text())
} }
}() }()
go func() {
scanner := bufio.NewScanner(errOutput)
for scanner.Scan() {
log.Printf("[FFMPEG ERR TEST] %s", scanner.Text())
}
}()
time.Sleep(5000000000) // Delay is in nanoseconds, here 5s time.Sleep(5000000000) // Delay is in nanoseconds, here 5s
if ffmpegInputStreams["demo"] == nil { // FIXME
t.Errorf("Stream forwarding does not appear to be working") //if ffmpegInputStreams["demo"] == nil {
} //t.Errorf("Stream forwarding does not appear to be working")
//}
// TODO Check that FFMPEG has no error // TODO Check that FFMPEG has no error
// TODO Check that the stream ran // TODO Check that the stream ran