Preview Streams
Preview Streams
Preview streams consumes a lot of system resources (it generates regular stream). If you have a problem with your performance, please remove preview stream.
Caspar 2.0.7 and Caspar 2.1
DEFAULT H264
-vcodec libx264 -tune zerolatency -preset ultrafast -crf 30 -format mpegts -filter:v scale=288x162
with AC3
-vcodec libx264 -acodec ac3 -tune zerolatency -preset ultrafast -crf 30 -format mpegts -filter:v scale=288x162
MPEG2 (low CPU resources consumptions)
-vcodec mpeg2video -format mpegts -filter:v scale=288x162
or
-f x11grab -c:v mpeg2video -g 1 -threads 2 -f mpegts - | nc
Caspar 2.3 and above
WARNING CasparCG 2.3 uses high CPU when generating streams or recording to FILES, this is resolved in higher versions
MPEG - very fast
-format mpegts -codec:a aac -filter:v scale=288x162
H264 - NVENC (nVidia GPU acceleration - Caspar CG version 2.3.2 and above)
-codec:v h264_nvenc -profile:v high444p -pixel_format:v yuv444p -preset:v default -format mpegts -filter:v scale=288x162
Stream to YouTube
-codec:v libx264 -preset ultrafast -vf format=pix_fmts=yuv420p -x264opts bitrate=5000:vbv-maxrate=5000:vbv-bufsize=150 -strict -2 -acodec aac -b:a 192k -af aresample=44100 -f flv
unicast example: udp://127.0.0.1:9250
multicast example: udp://224.10.5.8:1234
multicast packet size: udp://224.10.5.8:1234?pkt_size=1316
MORE EXAMPLES AT OUTPUT MANAGER
Monitoring format options
aac example 2 audio channels
-codec:a aac -filter:v scale=960x540 -filter:a "pan=stereo|c0=c0|c1=c1"
for mpeg 2 channels only
-b:a 96k -filter:v scale=960x540 -filter:a "pan=stereo|c0=c0|c1=c1"
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