#6310: Parallel MPEGTS Encoding - Muxrate Bug
-------------------------------------+-------------------------------------
Reporter: | Type: defect
smallishzulu | Priority: normal
Status: new | Version: git-
Component: | master
undetermined | Blocked By:
Keywords: udp, | Reproduced by developer: 0
mpegtsenc, muxrate |
Blocking: |
Analyzed by developer: 0 |
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Hello,
It seems that in parallel mpegts encoding outputting to udp stream,
muxrate does not apply to each defined encoding process.
./ffmpeg -loglevel verbose -re -i record.ts -aspect 16:9 -s 1920x1080
-c:v:0 libx264 -preset superfast -vb 4000k -minrate 4000k -maxrate 4000k
-bufsize 4000k -r 25 -c:a:0 aac -b:a:0 128k -f mpegts -muxrate 5000k
'udp://233.33.33.1:5001?pkt_size=1316&bitrate=5000000&fifo_size=10000000'
-aspect 4:3 -s 720x576 -c:v:0 mpeg2video -vb 2200k -minrate 2200k
-maxrate 2200k -bufsize 2200k -r 25 -c:a:0 mp2 -b:a:0 384k -f mpegts
-muxrate 3500k
'udp://233.33.33.1:5002?pkt_size=1316&bitrate=3500000&fifo_size=10000000'
Log:
[mpegts @ 0x1d30180] dts < pcr, TS is invalidkB time=00:00:01.86 bitrate=
563.8kbits/s speed=1.78x
Last message repeated 3 times
[mpegts @ 0x1d30180] dts < pcr, TS is invalidkB time=00:00:02.38
bitrate=1366.2kbits/s speed=1.53x
Last message repeated 13 times
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d29060] dts < pcr, TS is invalidkB time=00:00:02.89
bitrate=1893.8kbits/s speed=1.39x
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
Last message repeated 1 times
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
[mpegts @ 0x1d30180] dts < pcr, TS is invalid
[mpegts @ 0x1d29060] dts < pcr, TS is invalid
Last message repeated 1 times
UDP outputs does not reach to 5000k and 3500k target mux bitrate in
analysis.
If any muxrate is removed, the defined UDP output reaches to its target
mux bitrate.
It seems, muxrate parameter only applies once.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6310>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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