| Thursday, August 8th, 2013, 00:19 UTC | ||
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| [01:03:36] | wagnerrp_: | could someone with more MySQL knowledge than me try to figure out what's wrong with the database? |
| [01:04:00] | wagnerrp_: | there's some spam on the wiki i can't delete, as it keeps complaining something about the binary logs |
| [01:11:04] | kormoc: | wagnerrp_, host? |
| [01:12:27] | kormoc: | wagnerrp_, I don't have sudo on alcor |
| [01:13:57] | kormoc: | wagnerrp_, okay, I'm in. What are you seeing? |
| [01:20:39] | kormoc: | wagnerrp_, ERROR 1665 (HY000): Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED. ? |
| [01:21:10] | wagnerrp_: | yeah, that |
| [01:21:31] | wagnerrp_: | do you need permissions? |
| [01:21:55] | kormoc: | yeah, I fixed it in the running server, but need to edit my.cnf to fix it there |
| [01:22:07] | kormoc: | someone updated the mysql server without changing the config file |
| [01:22:16] | kormoc: | may need to bounce apache for it to use the new setting |
| [01:22:21] | wagnerrp_: | /etc/sudoers, right? |
| [01:22:24] | kormoc: | yeah |
| [01:23:01] | wagnerrp_: | actually, seems i just need to add you to wheel |
| [01:23:41] | wagnerrp_: | ok, should take effect when you log in |
| [01:23:54] | wagnerrp_: | actually, that might be instant |
| [01:23:56] | wagnerrp_: | i'm not sure |
| [01:34:14] | jya: | stuartm: the static you're hearing, is that just small static noise within the audio (barely audible) or is it the whole sound become static ? |
| [01:34:50] | jya: | i can hear the first… on my ubuntu VM … but it's difficult to tell if that's part of the track or something else |
| [01:43:39] | skd5aner: | wagnerrp_: you in -users right now? I don't see your "wagnerrp_" account in there |
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| [01:52:00] | ** wagnerrp_ pokes wagnerrp ** | |
| [01:52:09] | wagnerrp_: | he's there |
| [01:52:23] | wagnerrp_: | sadly, i'm here |
| [01:53:57] | skd5aner: | want me to chat with you there or here? |
| [01:54:07] | wagnerrp_: | here is fine |
| [01:54:17] | skd5aner: | I saw you bring up some spam issues again on the wiki |
| [01:54:25] | skd5aner: | have you had a chance to play with zbblock for hte wiki? |
| [01:54:28] | wagnerrp_: | here is around 450 miles from there, according to my sky miles report |
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| [01:54:53] | wagnerrp_: | nope. been out of town the past several weeks |
| [01:56:12] | skd5aner: | k, yea... I hear you... don't mean to pester you about it, I know you've been pretty tied up |
| [01:56:38] | skd5aner: | I do think it'll likely take care a of most, if not almost all, of the spam issues on the wiki |
| [01:56:51] | skd5aner: | probably not all... |
| [01:57:09] | skd5aner: | but for a forum I run, it actually did take care of everything |
| [01:59:00] | wagnerrp_: | we've got something on trac. it assigns a "karma" score from various online ranking sources, plus a blacklist, and an internal bayesian filter |
| [01:59:08] | wagnerrp_: | anything above a certain score gets filtered |
| [02:01:10] | wagnerrp_: | seems 0.4.10 specifically supports mediawiki |
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| [02:09:09] | skd5aner: | 0.4.10 of what? zbblock? |
| [02:09:33] | wagnerrp_: | yes |
| [02:09:47] | skd5aner: | oh, yea... I think in April they added some mediawiki specific stuff, but even before that it could block at a higher level |
| [02:10:27] | skd5aner: | It's dead simple to set up and use |
| [02:10:57] | skd5aner: | basically just put an includes line in something like a header.php file, or something that's included in every php page related to the site |
| [02:11:01] | skd5aner: | it does the rest |
| [02:11:14] | skd5aner: | there's some minor setup and config, but I've never had to tweak mine after initial setup |
| [02:11:37] | wagnerrp_: | so it's ip blocking on the inbound connections, rather than content? |
| [02:12:09] | skd5aner: | pretty much |
| [02:12:40] | wagnerrp_: | that would at least take a big chunk out |
| [02:12:47] | skd5aner: | I get things hitting my log probably 1–20 times a minute... if I turn it off, I get about 40 false registrations an hour |
| [02:13:06] | skd5aner: | I have had 0 spam registrations since I turned it on a year ago |
| [02:13:21] | skd5aner: | and, from what I can tell, 0 false positives either |
| [02:13:51] | wagnerrp_: | i know when i was manually doing lookups on new accounts with stopforumspam, something like 90% of the addresses showed up there |
| [02:14:00] | skd5aner: | but, my forum is focused primarily on a speciifc region in the US, so I can't say how it might be impacting, say, a "legitimate" user in Russia, China, India, etc... |
| [02:14:19] | skd5aner: | yea, this pulls in all those blacklists/whitelists |
| [02:21:16] | wagnerrp_: | well just banning hotmail/outlook did a fairly good job |
| [02:21:24] | wagnerrp_: | blocking them wiped out about 50 accounts per day |
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| [02:32:57] | kormoc: | wagnerrp_, all good? |
| [02:33:59] | kormoc: | wagnerrp, wagnerrp_, if not, bounce apache, and then if not, email me. I'll be offline but near a computer |
| [02:41:51] | clever: | are there any articles explaining how to setup mythtv with IPVT/multicast rtp? |
| [02:42:15] | clever: | so far, ive been able to find the multicast group for random channels, but i cant get anything to play it yet |
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| [02:53:40] | wagnerrp_: | ugh... worthless hotel internet... |
| [02:53:48] | wagnerrp_: | kormoc: yeah, it's working fine. thanks |
| [02:55:27] | clever: | oops, asked in the wrong channel |
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| [03:30:19] | thayward: | After changing xmlids on a channel and running mythfilldatabase, my listings are accurate but my upcoming recordings are wrong/stale. mythutil --resched didn't help. What gives? |
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| [07:45:32] | stuartm: | jya: the former, although I wouldn't say it's barely audible here, it's at the same volume as the music – in some tracks it's more obvious, but it's not present at all with other apps |
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| [07:55:47] | jya|2: | stuartm: good news... My macbook air shows exactly the same audio settings as yours, and I can hear static on your track... At least this gives me some place to start looking |
| [07:56:25] | jya|2: | using kernel 3.8 and alsa from that kernel |
| [07:59:08] | stuartm: | jya|2: great :) |
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| [08:21:53] | jya|2: | didn't occur with ubuntu 12.11 i had before (kernel 3.5) |
| [08:24:41] | jya|2: | has the mythmusic database schema changed since 0.26? (e.g. can I easily run 0.26 with the 0.27 database?) |
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| [09:14:37] | paul-h: | jya|2: The last db update for MythMusic was for the radio streaming which I think was before 0.26 so you shoud be OK |
| [09:16:15] | paul-h: | I did some tests yesterday to try to narrow down the problem the format doesn't seem to matter mp3, flac wav all had the same problem |
| [09:18:11] | paul-h: | I found a test clip that tests the dynamic range and only the full scale test shows the problem anything below full scale seemed fine |
| [09:18:54] | paul-h: | You can get the test clip from here if you want to try it http://www.audiocheck.net/audiotests_dynamiccheck.php |
| [09:21:30] | paul-h: | Strangely I tried some of the tone generator test clips at full scale 0db and they all played fine |
| [09:24:03] | jya|2: | paul-h: thanks for that... about to test with 0.26... after that I'll focus on my changes to the float conversions... i did change things there |
| [09:29:30] | jya|2: | it could be that 0.27 is only revealing an issue now, before mp3 would be decoded as S16, now it's decoding as float... maybe the data isn't normalized... |
| [09:33:32] | paul-h: | Is this something we are doing or is it ffmpeg that does it for us? One thing we did notice is mythffplay will play fine but both MythMusic and mythavtest have the problem |
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| [09:35:49] | jya|2: | paul-h: ffmpeg decodes audio and gives us data... in ffmpeg used in 0.26 it gave us 16 bits signed integer. so there's no issue with normalization |
| [09:36:01] | jya|2: | in ffmpeg 1.2, it's float that comes out |
| [09:36:30] | jya|2: | i assume the audio is normalized... when converted back to S16, everything outside the -1,1 range is clipped |
| [09:36:43] | jya|2: | going to add some logs |
| [09:39:37] | jya|2: | could be a bug in the mp3 decoder... their mp3 encoder is certainly buggy when you give it float as inputs... |
| [09:40:50] | jya|2: | well, plays well in 0.26... |
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| [10:25:25] | stuartm: | jya|2: well maybe not the mp3 decoder, since "<paul-h> I did some tests yesterday to try to narrow down the problem the format doesn't seem to matter mp3, flac wav all had the same problem" |
| [10:27:02] | stuarta: | right, that's replication of the mysql database on alcor setup |
| [10:27:13] | jya|2: | stuartm: the float i'm converting to S32 are well outside the -1..1 range... doing some analysis now... |
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| [10:44:07] | jya|2: | don't get it... 0.26 is also well outside the range...... hum... confusing |
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| [11:08:39] | jya|2: | stuartm: do you have a way to reproduce the issue still? can you test a patch ? |
| [11:10:52] | jya|2: | or paul-h? |
| [11:13:34] | paul-h: | jya|2: I can test a patch |
| [11:14:07] | jya|2: | ok.. let me do some extra tests and I'll post something |
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| [11:32:06] | ** jya|2 ready to shoot himself if he listens one more time to suicide blonde ** | |
| [11:34:06] | jya|2: | paul-h: http://pastebin.com/dCMeKxDT |
| [11:38:37] | stuartm: | jya|2: I know how you feel |
| [11:42:45] | jya|2: | could have found another sample ! |
| [11:44:55] | stuartm: | I did try to find one that was as short, or shorter and clearly demonstrated the problem, but I wasn't going to search through every single track I own (would have taken days anyway) |
| [11:45:27] | stuartm: | after you mentioned that you'd survived watching the Barbie movie, I figured you'd be able to survive that track :P |
| [11:45:41] | jya|2: | haha... |
| [11:46:44] | paul-h: | jya|2: looking good so far – getting lots of these AudioConvert: from value32 outside : -1.04258 |
| [11:47:14] | jya|2: | paul-h: yes... that's normal... in that particular instance, lots is happening to the audio, in particular the resampling... |
| [11:47:21] | stuartm: | several of the unit tests fail with the patch applied |
| [11:47:23] | jya|2: | it is bound to become unormalized |
| [11:48:07] | jya|2: | yes... the changes to the float converter was due to have the same conversion occurring between the SSE code and the C code. |
| [11:48:55] | jya|2: | so the SSE code has the same issues, but for some reasons in that sample; we're only seeing it when we handle the edges of the conversion |
| [11:49:11] | jya|2: | modify has_sse() and remove the return false; |
| [11:53:00] | stuartm: | with the patch applied, it's looking good |
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| [12:02:23] | paul-h: | jya|2: all sounds good to me even with the return false; removed |
| [12:02:38] | stuartm: | with the AudioConvert logging it's pretty clear that the problem only affects tracks with a compressed dynamic range i.e. stuff made to seem LOUD – can't reproduce it at all on classical tracks, or anything that's generally well mastered |
| [12:02:40] | jya|2: | paul-h: I know ! and that's what's confusing. |
| [12:21:29] | paul-h: | !seen Solaris444 |
| [12:21:29] | MythLogBot: | Solaris444 was last seen 3 days 17 hours 30 minutes 11 seconds ago |
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| [12:58:20] | jya|2: | Well, the unit tests were designed to compare the C code vs the SSE code; and I assumed the SSE code was the reference... Both the C code and SSE code behave as intended... But it does sound static. For that particular sample, the SSE code is never called so it's always the C code... I can make the C code returns data that won't cause the static, but the unit tests will fail |
| [14:10:15] | stuartm: | ugh |
| [14:12:25] | jya|2: | stuartm: eg. SSE code is buggy |
| [14:13:22] | jya|2: | when clipping a value >=1.0f, it gives (for int32) 1<<31 |
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| [14:13:41] | jya|2: | 1<<31, is a negative value |
| [14:13:50] | jya|2: | should be 1<<31–1 |
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| [14:25:32] | stuartm: | jya|2: is that our use of the SSE instructions, i.e. our code, or the SSE itself? |
| [14:25:56] | jya|2: | not sure... haven't looked into it |
| [14:27:41] | jya|2: | trying to get around the issue by changing the range... trying to get back into the 0.26 conversion, but trying to find out the exact behaviour of the SSE code (I didn't write it) so I can reproduce it in C |
| [14:29:56] | jya|2: | looking at the FFmpeg clipping routines... https://github.com/MythTV/mythtv/blob/master/ . . . ommon.h#L173 |
| [14:30:12] | jya|2: | i love them... you look at them and you think: uh?? |
| [14:32:35] | jya|2: | trying to come up with something similar but issue is something generic enough so it works with 24 bits integers ( both MSB and LSB) |
| [14:32:43] | stuartm: | heh, brevity over readability |
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| [14:36:16] | jya|2: | the older I get, the more I'm into the later |
| [14:36:42] | jya|2: | especially as savings a few CPU cycles is less and less relevant |
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| [15:16:29] | jpabq: | jya|2: Yes, I have been working on it. I have also been getting distracted with other stuff, but it is coming along. |
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| [16:59:03] | jya_: | today something interesting in the "watch recordings screen" |
| [16:59:16] | jya_: | date was "Yesterday 2010" |
| [16:59:22] | jya_: | which was quite interesting |
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| [18:00:14] | stuartm: | needless to say, that shouldn't happen |
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| [18:03:50] | stuartm: | which theme? |
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| [18:17:04] | stuartm: | was the recording actually from 2010, or 2013? |
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| [19:44:07] | gigem: | jya_: Your change broke builds where --disable-mheg is used and probably where --disable-hdhomerun is used too. |
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| [20:44:11] | shoop_da_whoop: | I'm writing a frontend. Where is the code that starts live tv in mythfrontend? |
| [20:44:20] | shoop_da_whoop: | *specifically which file(s) |
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| [20:57:03] | shoop_da_whoop: | Can someone please explain livetvchain? |
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| [21:24:10] | shoop_da_whoop: | Hello. I am writing a mythtv frontend that features live tv streaming. How do I start the recording and retrieve the file from storage? |
| [21:24:37] | shoop_da_whoop: | *live tv stream not recording |
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| [21:30:05] | tonsofpcs: | i thought everything got recorded prior to decode |
| [21:30:17] | ** tonsofpcs isn't a dev though ** | |
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| [21:34:53] | shoop_da_whoop: | I know that the stream is recorded to disk then played back, but I need to know two things: how to initiate the "live stream", and how to locate the file that is produced. |
| [22:01:11] | shoop_da_whoop: | Okay. I've figured out to use mythprotocol's SPAWN_LIVETV. Can someone please explain chains? |
| [22:02:26] | stichnot: | shoop_da_whoop: to answer your first question, the LiveTVChain represents all the programs and program segments that are recorded during a Live TV session. It allows the player to skip past the beginning or end of one program into another program (as though it were one long continuous program). There may be more than one LiveTVChain instance in flight, as you can have multiple frontends... |
| [22:02:27] | stichnot: | ...watching Live TV, and maybe you can even have multiple sessions on one frontend via PiP windows. |
| [22:23:25] | stichnot: | You probably know this, but you can grab the chanid/starttime from the livetvchain entry and use it to get to the actual file. |
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| [22:24:49] | stichnot: | One thing to be careful of, is that the auto-expirer on the backend may expire short programs within a couple minutes. You need to monitor for livetvchain updates to catch deletes (and inserts of new entries as well). |
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| [22:35:52] | Captain_Murdoch: | guess he got what he needed. |
| [23:07:41] | Captain_Murdoch: | stuartm, MDM dlInfo should be fixed I believe. may still need/want reference counting, but we shouldn't have been deleting the dlInfo unless the download was successful (meaning no more events happening). |
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