Multiple streams

Wowza Streaming Engine
1

Hi,

I have created 3 live streams from 3 web cameras.

On the active stream page shows that the all 3 is active.

However when i test the players it will not show.

What could be wrong?

2

Do you see anything in the logs indicating what the issue might be?

You can start Wowza in stand-alone mode /bin/startup.bat (or startup.sh) and see the output in the console.

Salvadore

3

Hi,

It depend if the other camera streams have a compatible codec.

The following video/audio codecs are supported for transcoding:

Video: MPEG2, MPEG4 Part 2, H.264/AVC Audio: MP3, AAC (LC & HE), MPEG1 Part 1/2, Speex, G.711

MPEG-4 Part 2 is the other common format provided by many cameras, so if yours have that,

you should be able to transcode the remaining cameras you have.

Daren

4

Can you also provide more detail about what steps you have taken. What encoder you are using, and the player you are testing.

Salvadore

5

It looks like an issue with the video codec, Wowza supports mpeg-4 part 10 (aka avc/h.264). Any other variant will require a transcoder between Wowza and the camera.

If your camera has the option of using H.264 video, you should use that instead of MPEG4.

Salvadore

6

Heres the output from the console when running in standalone:

INFO server comment - LiveStreamPacketizerSanJose.endChunkTS[live/_definst_/fugl1.stream]: Add chunk: id:6 a/v/k:0/280/10 duration:10129
INFO server comment - LiveStreamPacketizerSanJose.endChunkTS[live/_definst_/fjermestad.stream]: Add chunk: id:7 a/v/k:0/168/10 duration:10322
INFO server comment - MPEGDashWriterHandler.createChunkM4S[live/_definst_/hoved.stream]: Add chunk: id:6 type:m4s_mux a/v/k:0/306/10 duration:10100
INFO server comment - MPEGDashWriterHandler.createChunkM4S[live/_definst_/hoved.stream]: Add chunk: id:6 type:m4s_video v/k:306/10 duration:10100
INFO server comment - LiveStreamPacketizerCupertino.endChunkTS[live/_definst_/fugl1.stream]: Add chunk: id:3 mode:TS[MPEG4,NOAUDIO] a/v/k:0/0/0 duration:21925
INFO server comment - LiveStreamPacketizerCupertino.endChunkTS[live/_definst_/fjermestad.stream]: Add chunk: id:3 mode:TS[MPEG4,NOAUDIO] a/v/k:0/0/0 duration:21
877
INFO server comment - LiveStreamPacketizerSanJose.endChunkTS[live/_definst_/hoved.stream]: Add chunk: id:8 a/v/k:0/308/10 duration:10116
INFO server comment - LiveStreamPacketizerCupertino.endChunkTS[live/_definst_/hoved.stream]: Add chunk: id:8 mode:TS[H264,NOAUDIO] a/v/k:0/307/10 duration:10116

The stream hoved.stream works fine, the others don’t.

hoved.stream file:

rtsp://192.168.1.90:554/live.sdp

fjermestad.stream file:

rtsp://192.168.1.100:554/live.sdp

fugl1.stream file:

rtsp://192.168.1.38:554/live.sdp

When I test the paths in VLC it works perfect.

7

The stream that works comes from a camera with H.264 video, but the others don’t.

I see that Wowza has a stream transcoder add on. Could this be my solution?

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