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authorMatthias P. Braendli <matthias.braendli@mpb.li>2014-04-11 11:55:43 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2014-04-11 11:55:43 +0200
commitfa36e03255eb668195f043d39307f3dc2fa5e809 (patch)
treecc5e69cc8fe5cc50b4bbda52b4ba2d7caf033942 /doc/example.mux
parente3e7925934074d61835aa09a642f09bc6cd16d1d (diff)
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Add zmq buffer options to config file
Diffstat (limited to 'doc/example.mux')
-rw-r--r--doc/example.mux45
1 files changed, 33 insertions, 12 deletions
diff --git a/doc/example.mux b/doc/example.mux
index 1dbec7d..26a231c 100644
--- a/doc/example.mux
+++ b/doc/example.mux
@@ -97,10 +97,6 @@ subchannels {
type audio
; example file input
inputfile "funk.mp2"
- ; example zmq input:
- ; accept connections to port 9001 from any interface
- ; use toolame-dab as encoder
- ;inputfile "tcp://*:9001"
nonblock false
bitrate 128
id 10
@@ -119,24 +115,49 @@ subchannels {
; example file input
;inputfile "rick.dabp"
; example zmq input:
- ; accept connections to port 9000 from any interface
- ; use fdk-aac-dabplus-zmq as encoder
+ ; Accepts connections to port 9000 from any interface.
+ ; Use fdk-aac-dabplus as encoder
inputfile "tcp://*:9000"
- nonblock false
bitrate 96
id 1
protection 1
+
+ ; ZMQ specific options, mandatory:
+
+ ; Maximum size of input buffer, in AAC frames (24ms)
+ ; when this buffer size is reached, some frames will be
+ ; discarded to get the size again below this value.
+ ; As the present implementation discards entire AAC superframes,
+ ; (5 frames = 120ms) the effect will clearly be audible.
+ zmq-buffer 40
+
+ ; At startup or after an underrun, the buffer is filled to this
+ ; amount of AAC frames before streaming starts.
+ zmq-prebuffering 20
+
+ ; In an ideal scenario, where the input rate exactly corresponds
+ ; to the rate at which the frames are consumed by dabmux, you
+ ; see the buffer level staying around the zmq-prebuffering value.
+ ; Network latency jitter can make it temporarily go lower or higher.
+ ; Encoder clock drift will make the buffer either slowly fill or
+ ; empty, which will create intermittent glitches.
}
sub-ri2 {
- type dabplus
- ; for dabplus types, you can use the ZeroMQ input (if compiled in)
- ; with the following configuration:
- inputfile "tcp://localhost:9000"
- nonblock false
+ type audio
+ ; for audio types, you can use the ZeroMQ input (if compiled in)
+ ; with the following configuration in combination with
+ ; toolame-dab
+ ;
+ ; Support for toolame-dab is not as good as with fdk-aac-dabplus
+ inputfile "tcp://*:9001"
bitrate 96
id 1
protection 1
+
+ ; The options are the same as for dabplus
+ zmq-buffer 40
+ zmq-prebuffering 20
}
}