[FFmpeg-user] UDP unicast & multicast output
Anacelia Sarlo
anacelia.sarlo at gmail.com
Sun Jul 17 01:00:31 EEST 2016
Hello, I my final environment i will be sending the multicast streaming to
an IP QAM. But for now I'am testing both commands on my own desktop and I
see differents bit rates, I'am attaching both outputs:
udp multicast
http://xxx.net/vxttoken=cGF0aFVSST0lMkZhdXRoXzBfYXBhNmJrN2wlMkZobHMlMkYlMkEmZXhwaXJ5PTE0Njg3MjcyNjcmcmFuZG9tPVVuQUZ1dHFpQTYmYy1pcD0xNjcuNjEuNDAuNzEsZDBkNjM5NzBhMjVmOTkxYzYwZjMyNGE3NzMzY2Q5MjE4MzAxNjE1ODYzNWZkNmYxYTMzN2VlMTY1YzNmODgxYQ==/hls/playlist.m3u8
ffmpeg version N-79273-gd433623 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-16)
configuration: --pkg-config-flags=--static --enable-gpl --enable-nonfree
--enable-libfdk-aac --enable-libfreetype --enable-libmp3lame
--enable-libopus --enable-libvpx --enable-libx264 --enable-libx265
libavutil 55. 20.100 / 55. 20.100
libavcodec 57. 34.100 / 57. 34.100
libavformat 57. 31.100 / 57. 31.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 41.100 / 6. 41.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[aac @ 0x3e94e00] element type mismatch 1 != 0
[aac @ 0x3fae160] element type mismatch 1 != 0
[aac @ 0x3f4efc0] element type mismatch 1 != 0
[aac @ 0x40d5940] element type mismatch 1 != 0
Input #0, hls,applehttp, from '
http://xxxx.net./vxttoken=cGF0aFVSST0lMkZhdXRoXzBfYXBhNmJrN2wlMkZobHMlMkYlMkEmZXhwaXJ5PTE0Njg3MjcyNjcmcmFuZG9tPVVuQUZ1dHFpQTYmYy1pcD0xNjcuNjEuNDAuNzEsZDBkNjM5NzBhMjVmOTkxYzYwZjMyNGE3NzMzY2Q5MjE4MzAxNjE1ODYzNWZkNmYxYTMzN2VlMTY1YzNmODgxYQ==/hls/playlist.m3u8
':
Duration: N/A, start: 85893.692056, bitrate: N/A
Program 0
Metadata:
variant_bitrate : 400400
Stream #0:0: Video: h264 (Constrained Baseline) ([27][0][0][0] /
0x001B), yuv420p, 416x234 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50
tbc
Metadata:
variant_bitrate : 400400
Stream #0:1: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 64 kb/s
Metadata:
variant_bitrate : 400400
Program 1
Metadata:
variant_bitrate : 950400
Stream #0:2: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p,
640x360 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 950400
Stream #0:3: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 72 kb/s
Metadata:
variant_bitrate : 950400
Program 2
Metadata:
variant_bitrate : 1390400
Stream #0:4: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p,
852x480 [SAR 1:1 DAR 71:40], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 1390400
Stream #0:5: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 64 kb/s
Metadata:
variant_bitrate : 1390400
Program 3
Metadata:
variant_bitrate : 3440800
Stream #0:6: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 3440800
Stream #0:7: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 132 kb/s
Metadata:
variant_bitrate : 3440800
Output #0, mpegts, to 'udp://224.1.1.1:1234?pkt_size=1316':
Metadata:
encoder : Lavf57.31.100
Stream #0:0: Video: h264 ([27][0][0][0] / 0x001B), yuv420p, 852x480
[SAR 1:1 DAR 71:40], q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
Metadata:
variant_bitrate : 1390400
Stream #0:1: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, 64 kb/s
Metadata:
variant_bitrate : 1390400
Stream mapping:
Stream #0:4 -> #0:0 (copy)
Stream #0:5 -> #0:1 (copy)
Press [q] to stop, [?] for help
[hls,applehttp @ 0x3e76540] No longer receiving playlist 04
bitrate=1331.5kbits/s speed=0.303x
skipping 2 segments ahead, expired from playlists
[hls,applehttp @ 0x3e76540] No longer receiving playlist 11
bitrate=1391.0kbits/s speed=0.292x
[hls,applehttp @ 0x3e76540] No longer receiving playlist 3
^C[hls,applehttp @ 0x3e76540] Failed to reload playlist 284 bitrate=
683.8kbits/s speed=0.608x
av_interleaved_write_frame(): Immediate exit requested
Error writing trailer of udp://224.1.1.1:1234?pkt_size=1316: Immediate exit
requestedframe= 599 fps=7.3 q=-1.0 Lsize= 4080kB time=00:00:48.01
bitrate= 696.1kbits/s speed=0.582x
video:3529kB audio:188kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 9.758626%
Exiting normally, received signal 2.
Then the same command, but with udp unicast:
http://xxxx.net//wstoken=cGF0aFVSST0lMkZhdXRoXzBfYXBhNmJrN2wlMkZobHMlMkYlMkEmZXhwaXJ5PTE0Njg3Mjc2NTUmcmFuZG9tPW1LdUhnSlNMc1YmYy1pcD0xNjcuNjEuNDAuNzEsYTNmM2ZjNTc3ZmU4ODk1ZWE2NTQ0NGM0NGE2YTEyMmY4YzQ2MGE0YjljMDMxNDNmNjQ0N2ZiYmFlMTBlMThmZA==/hls/playlist.m3u8
ffmpeg version N-79273-gd433623 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-16)
configuration: --pkg-config-flags=--static --enable-gpl --enable-nonfree
--enable-libfdk-aac --enable-libfreetype --enable-libmp3lame
--enable-libopus --enable-libvpx --enable-libx264 --enable-libx265
libavutil 55. 20.100 / 55. 20.100
libavcodec 57. 34.100 / 57. 34.100
libavformat 57. 31.100 / 57. 31.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 41.100 / 6. 41.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[aac @ 0x2e3ae00] element type mismatch 1 != 0
[aac @ 0x2f3e220] element type mismatch 1 != 0
[aac @ 0x2efa440] element type mismatch 1 != 0
[aac @ 0x2eec840] element type mismatch 1 != 0
Input #0, hls,applehttp, from '
http://xxxx.net/vxttoken=cGF0aFVSST0lMkZhdXRoXzBfYXBhNmJrN2wlMkZobHMlMkYlMkEmZXhwaXJ5PTE0Njg3Mjc2NTUmcmFuZG9tPW1LdUhnSlNMc1YmYy1pcD0xNjcuNjEuNDAuNzEsYTNmM2ZjNTc3ZmU4ODk1ZWE2NTQ0NGM0NGE2YTEyMmY4YzQ2MGE0YjljMDMxNDNmNjQ0N2ZiYmFlMTBlMThmZA==/hls/playlist.m3u8
':
Duration: N/A, start: 86277.692056, bitrate: N/A
Program 0
Metadata:
variant_bitrate : 400400
Stream #0:0: Video: h264 (Constrained Baseline) ([27][0][0][0] /
0x001B), yuv420p, 416x234 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50
tbc
Metadata:
variant_bitrate : 400400
Stream #0:1: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 68 kb/s
Metadata:
variant_bitrate : 400400
Program 1
Metadata:
variant_bitrate : 950400
Stream #0:2: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p,
640x360 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 950400
Stream #0:3: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 66 kb/s
Metadata:
variant_bitrate : 950400
Program 2
Metadata:
variant_bitrate : 1390400
Stream #0:4: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p,
852x480 [SAR 1:1 DAR 71:40], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 1390400
Stream #0:5: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 68 kb/s
Metadata:
variant_bitrate : 1390400
Program 3
Metadata:
variant_bitrate : 3440800
Stream #0:6: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 3440800
Stream #0:7: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 130 kb/s
Metadata:
variant_bitrate : 3440800
Output #0, mpegts, to 'udp://192.168.1.109:1234?pkt_size=1316':
Metadata:
encoder : Lavf57.31.100
Stream #0:0: Video: h264 ([27][0][0][0] / 0x001B), yuv420p, 852x480
[SAR 1:1 DAR 71:40], q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
Metadata:
variant_bitrate : 1390400
Stream #0:1: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, 68 kb/s
Metadata:
variant_bitrate : 1390400
Stream mapping:
Stream #0:4 -> #0:0 (copy)
Stream #0:5 -> #0:1 (copy)
Press [q] to stop, [?] for help
[hls,applehttp @ 0x2e1c540] No longer receiving playlist 04
bitrate=1244.4kbits/s speed= 1x
[hls,applehttp @ 0x2e1c540] No longer receiving playlist 1
[hls,applehttp @ 0x2e1c540] No longer receiving playlist 33
bitrate=1384.6kbits/s speed=0.984x
frame= 1720 fps= 25 q=-1.0 Lsize= 11693kB time=00:01:08.72
bitrate=1394.0kbits/s speed= 1x
video:10129kB audio:528kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 9.723038%
Exiting normally, received signal 2.
And when I do the same test to the IP QAM multicast address I have the same
result. It seems it's related to the form ffmpeg works with udp.
Thanks for your help!
On Sat, Jul 16, 2016 at 5:57 PM, pkv.stream <pkv.stream at gmail.com> wrote:
> well, the port 1234 is closed on your 224,1,1,1 address ...
> (I jsut scanned it)
>
>
> Le 16/07/2016 à 9:40 PM, Anacelia Sarlo a écrit :
>
>> Hello,
>> I'am receiving a live stream and I want to copy 2 bit streams
>> (video
>> H.264 & audio AAC) and re stream them with mpegts format to an udp
>> multicast output.
>> With an udp unicast output it works ok, but when I try with an udp
>> multicast one, I see the on the ffmpeg console that the rate start to down
>> and the stream begin
>> to cut off.
>> My doubt is how ffmpeg works with udp unicast and multicast, and what
>> could
>> be wrong with my multicast example?
>> I'am attaching both commands.
>>
>> UDP unicast output
>> ffmpeg -re -y -i $stream -map 0:4 -map 0:5 -rtbufsize 1G -c copy -f mpegts
>> -mpegts_pmt_start_pid 66 -streamid 1:71 -streamid 0:70 udp://
>> 192.168.1.109:1234?pkt_size=1316 works OK!
>>
>> UDP multicast output
>> ffmpeg -re -y -i $stream -map 0:4 -map 0:5 -rtbufsize 1G -c copy -f mpegts
>> -mpegts_pmt_start_pid 66 -streamid 1:71 -streamid 0:70 udp://
>> 224.1.1.1:1234?pkt_size=1316 video cut off!
>>
>> Thanks a lot for your suggestions.
>> Ana
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>>
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>
>
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