Posted 27 May 2020 - 07:56
According to https://books.google...9YC&pg=RA2-PA59
Satellite DVB system transmission can use:
Enigma2 is filtering channels by PMT, so it will fail to filter when one PMT to describe multiple channels.
Posted 27 May 2020 - 11:18
Posted 27 May 2020 - 12:49
I'm pretty sure this is incorrect as I'm watching SIC HD right now!
What did I wrote that is incorrect?
All channels of that transponder have the same PMT ID, one PMT to describe multiple channels.
Do the test of saving one channel to ts file and with ffprobe you will discover that the filter has failed, it will include the streams(audio stream, video stream, ...) not only from that channel, but all the channels with the same PMT ID
Posted 27 May 2020 - 14:47
FYI above you didn't mention you are just talking about recordings.
But nope, I agree that the complete PMT is recorded but not the streams itself. Only the selected SID and it's mapped streams, in my example SID 700 (SIC HD) is recorded.
Input #0, mpegts, from '20200527 1530 - SIC HD - Primeiro Jornal.ts':
Duration: 00:01:17.08, start: 29740.707789, bitrate: 3996 kb/s
Program 4
Stream #0:37[0x21]: Unknown: none ([5][0][0][0] / 0x0005)
Program 6
Stream #0:38[0xd8]: Unknown: none ([5][0][0][0] / 0x0005)
Stream #0:39[0xd9]: Unknown: none ([5][0][0][0] / 0x0005)
Program 18
Stream #0:40[0x1f1a]: Unknown: none ([11][0][0][0] / 0x000B)
Program 700
Stream #0:41[0x176](por): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)
Stream #0:2[0x174]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 50 tbr, 90k tbn, 50 tbc
Stream #0:3[0x175]: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s
Program 701
Stream #0:42[0x179](por): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)
Stream #0:43[0x177]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:44[0x178](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 800
Stream #0:45[0x800](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 804
Stream #0:0[0x19d2]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn, 180k tbc
Stream #0:1[0x19d3](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 807
Stream #0:4[0x1f71](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:5[0x1f70]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Program 808
Stream #0:6[0x1f30]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:7[0x1f31](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 809
Stream #0:8[0x1f41](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:9[0x1f40]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Program 815
Stream #0:10[0x1f62](spa): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:11[0x1f60]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:12[0x1f61](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 816
Stream #0:13[0x1f77](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:14[0x1f76]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Program 818
Stream #0:15[0x19f3]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:16[0x19f4](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 822
Stream #0:17[0x1f52]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:18[0x1f53](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:19[0x1f54](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:20[0x1f55](por): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)
Program 947
Stream #0:21[0x19a0]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:22[0x19a1]: Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1298
Stream #0:23[0x1de4]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:24[0x1de5](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1305
Stream #0:23[0x1de4]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:24[0x1de5](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1306
Stream #0:25[0x1f84]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:26[0x1f85](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1309
Stream #0:27[0x1260]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:28[0x1261](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1338
Stream #0:29[0x1d31](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Stream #0:30[0x1d30]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Program 1340
Stream #0:31[0x1f86]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:32[0x1f87](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1341
Stream #0:33[0x1f88]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:34[0x1f89](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1342
Stream #0:33[0x1f88]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:34[0x1f89](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Program 1343
Stream #0:35[0x1f4a]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn
Stream #0:36[0x1f4b](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Posted 29 May 2020 - 09:55
FYI above you didn't mention you are just talking about recordings.
But nope, I agree that the complete PMT is recorded but not the streams itself. Only the selected SID and it's mapped streams, in my example SID 700 (SIC HD) is recorded.
Input #0, mpegts, from '20200527 1530 - SIC HD - Primeiro Jornal.ts': Duration: 00:01:17.08, start: 29740.707789, bitrate: 3996 kb/s Program 4 Stream #0:37[0x21]: Unknown: none ([5][0][0][0] / 0x0005) Program 6 Stream #0:38[0xd8]: Unknown: none ([5][0][0][0] / 0x0005) Stream #0:39[0xd9]: Unknown: none ([5][0][0][0] / 0x0005) Program 18 Stream #0:40[0x1f1a]: Unknown: none ([11][0][0][0] / 0x000B) Program 700 Stream #0:41[0x176](por): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006) Stream #0:2[0x174]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 50 tbr, 90k tbn, 50 tbc Stream #0:3[0x175]: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s Program 701 Stream #0:42[0x179](por): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006) Stream #0:43[0x177]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:44[0x178](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 800 Stream #0:45[0x800](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 804 Stream #0:0[0x19d2]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn, 180k tbc Stream #0:1[0x19d3](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 807 Stream #0:4[0x1f71](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:5[0x1f70]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Program 808 Stream #0:6[0x1f30]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:7[0x1f31](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 809 Stream #0:8[0x1f41](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:9[0x1f40]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Program 815 Stream #0:10[0x1f62](spa): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:11[0x1f60]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:12[0x1f61](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 816 Stream #0:13[0x1f77](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:14[0x1f76]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Program 818 Stream #0:15[0x19f3]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:16[0x19f4](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 822 Stream #0:17[0x1f52]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:18[0x1f53](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:19[0x1f54](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:20[0x1f55](por): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006) Program 947 Stream #0:21[0x19a0]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:22[0x19a1]: Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1298 Stream #0:23[0x1de4]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:24[0x1de5](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1305 Stream #0:23[0x1de4]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:24[0x1de5](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1306 Stream #0:25[0x1f84]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:26[0x1f85](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1309 Stream #0:27[0x1260]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:28[0x1261](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1338 Stream #0:29[0x1d31](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Stream #0:30[0x1d30]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Program 1340 Stream #0:31[0x1f86]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:32[0x1f87](por): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1341 Stream #0:33[0x1f88]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:34[0x1f89](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1342 Stream #0:33[0x1f88]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:34[0x1f89](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels Program 1343 Stream #0:35[0x1f4a]: Video: h264 ([27][0][0][0] / 0x001B), none, 90k tbr, 90k tbn Stream #0:36[0x1f4b](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels
Most video players will not play that ts file, because first video stream from the ts, is from Program 804.
Just a guess, but this can affect play too, the time it takes to open the channel.
Edited by azureit, 29 May 2020 - 09:56.
Posted 29 May 2020 - 09:58
Diff log of play vs stream
Posted 11 August 2020 - 15:47
Is it possible, using the demux api, to filter the PMT table by table_id_extension? This would fix this problem.
I seen at a HOWTO-use-the-demux-api this example:
/* set up a TDT filter, table id 0x70 */ sctfilter.pid = pid; sctfilter.filter.filter[0] = 0x70; sctfilter.filter.mask[0] = 0xff; sctfilter.flags = DMX_IMMEDIATE_START;
sctfilter.pid would be the PMT table pid and the sctfilter.filter.filter[0] would be the table_id_extension
Will it work this way?
Test file: drive.google.com/file/d/1VjogXZU65SGHsm5TcbvLxCR2LVUhtVe7/view?usp=sharing
WanWizard littlesat Erik Slagter athoik
0 members, 0 guests, 0 anonymous users
