Hi,
I am trying to record a channel from mpeg2 multicast stream. Stream
mapping returns inconsistently whenever I run ffmpeg to inspect the
required streams .
ffmpeg -i udp://@225.100.100.100:1234
First run:
Program 1101
Metadata:
service_name : ?KANAL D
service_provider: ?DOGAN TV
Stream #0:17[0x65]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], max. 15000 kb/s, 25
fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:18[0xc9](tur): Audio: mp2 ([4][0][0][0] / 0x0004), 48000
Hz, stereo, s16p, 256 kb/s
Stream #0:2[0x1023]: Unknown: none ([11][0][0][0] / 0x000B)
Second run:
Program 1101
Metadata:
service_name : ?KANAL D
service_provider: ?DOGAN TV
Stream #0:13[0x65]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], max. 15000 kb/s, 25
fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:33[0xc9](tur): Audio: mp2 ([4][0][0][0] / 0x0004), 48000
Hz, stereo, s16p, 256 kb/s
Stream #0:23[0x1023]: Unknown: none ([11][0][0][0] / 0x000B)
Third run:
Program 1101
Metadata:
service_name : ?KANAL D
service_provider: ?DOGAN TV
Stream #0:27[0x65]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], max. 15000 kb/s, 25
fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:28[0xc9](tur): Audio: mp2 ([4][0][0][0] / 0x0004), 48000
Hz, stereo, s16p, 256 kb/s
Stream #0:13[0x1023]: Unknown: none ([11][0][0][0] / 0x000B)
Like this example on every run returns the Stream # differently. So how
can I pick a correct stream for recording according to this output?
All I want to do is record the stream like that:
ffmpeg -i udp://@225.100.100.100:1234 -map 0:17 -map 0:18 -c:v copy -f
mpeg output.mpg
I am using:
ffmpeg version git-2014-12-01-928322c
Regards,
Sinan
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