Hi,
Please identify sink* with source-id. Below is a sample of 2 sources with 2 EglSink + 2 Encode + File Save.
[sink0]
enable=1
#Type - 1=FakeSink 2=EglSink 3=File
type=2
sync=0
<b>source-id=0</b>
gpu-id=0
qos=0
nvbuf-memory-type=0
overlay-id=1
[sink1]
enable=1
type=3
#1=mp4 2=mkv
container=1
#1=h264 2=h265
codec=1
sync=0
#iframeinterval=10
bitrate=2000000
output-file=out.mp4
<b>source-id=0</b>
[sink2]
enable=1
#Type - 1=FakeSink 2=EglSink 3=File
type=2
sync=0
<b>source-id=1</b>
gpu-id=0
qos=0
nvbuf-memory-type=0
overlay-id=1
[sink3]
enable=1
type=3
#1=mp4 2=mkv
container=1
#1=h264 2=h265
codec=1
sync=0
#iframeinterval=10
bitrate=2000000
output-file=out1.mp4
<b>source-id=1</b>