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8facc0899e
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100 Commits

Author SHA1 Message Date
Calvin Walton
8facc0899e Check for corrupt video files, don't attempt to render them 
A corrupt video file is defined as one where ffprobe either finds no
video stream, or it finds a video stream but cannot read any frames.
 2013-10-11 11:19:40 -04:00
Richard Alam
92a31599f9 Merge pull request #270 from kepstin/presentation-resiliance 
Make generation of png images for pdf pages more resiliant.
 2013-10-04 12:50:22 -07:00
Calvin Walton
420b0b5573 Make generation of png images for pdf pages more resiliant. 
We now use ghostscript to output pngs directly from the original pdf,
rather than using convert on the split pages. This should make corrupt
or strange pdfs less likely to cause issues.

As well, if a pdf page conversion fails (for any reason, including that
the original pdf is missing...) it will be logged, and a blank page
generated, and processing will continue.
 2013-10-04 15:25:13 -04:00
Gustavo Salazar
5dff55fb13 remove audio extension in webcam processing for matterhorn 2013-10-03 13:50:31 -05:00
Gustavo Salazar
ca6e32bc93 separate scaling and padding commands for deskshare 2013-10-01 17:11:23 -05:00
Gustavo Salazar
cfc6b3385b set sample rate 2013-10-01 17:05:55 -05:00
Gustavo Salazar
5d5d135557 set video quality 2013-10-01 16:53:39 -05:00
Calvin Walton
ca9a4c2b92 Bump the max difference for audio stretch up to 5% 2013-08-26 13:33:23 -04:00
Calvin Walton
c2884bdb9d Add missing license header to edl.rb 2013-08-26 11:44:22 -04:00
Calvin Walton
42e195bbe8 Rewrite the audio/video encoding components for BigBlueButton. 
I've been working on this for a while, and it's adapted from code that
has been fairly well-tested on a wide variety of recordings. I've found
it to do a more accurate job of combining multiple webcam files, and it
should be more accurate in the audio as well.

Another key feature is that it does fewer re-encoding steps during video
processing, which should both speed it up and hopefully improve quality.
The settings on the VP8 encoder have been tuned somewhat as well.
 2013-08-26 11:20:33 -04:00
Calvin Walton
0fa60e2bc3 Use the old sox trim syntax for the version on ubuntu lucid 2013-08-15 13:36:52 -04:00
Calvin Walton
6b56c4103d Correct variable name to refer to original audio length 2013-08-15 13:34:19 -04:00
Calvin Walton
d2afbe9383 Convert timestamps to numbers for subtraction 2013-08-15 13:30:36 -04:00
Calvin Walton
acbd0e5b7e Stretch freeswitch audio to match event timing 
This helps maintain audio sync with video and events when freeswitch's
internal timing differs from red5's.
 2013-08-14 17:25:10 -04:00
Calvin Walton
a5091ba3e8 RaP: Remove the ffmpeg version check, hardcode arguments for 0.11+ 
For BigBlueButton 0.81, we just require that you install ffmpeg 0.11.x
for recordings to function correctly. I'll also add a check to bbb-conf
to verify that the correct ffmpeg is available.
 2013-07-23 15:46:47 -04:00
Calvin Walton
ecfe8b7db4 RaP: Adjust the 'convert' command to make opaque images 
This forces a background colour of white on the generated png images for
slides in the slides and presentation recording formats. Fixes Issue
1588.
 2013-07-17 18:08:51 -04:00
Felipe Cecagno
80a8792597 Merge branch 'master' of github.com:bigbluebutton/bigbluebutton into sync-playback 2013-07-12 22:23:52 -03:00
Gustavo Salazar
9b5e42223f Accept meeting id to create manifest.xml 2013-07-03 15:42:21 -05:00
Felipe Cecagno
e8b9ffab4d Merge branch 'master' of git://github.com/bigbluebutton/bigbluebutton into sync-playback 2013-07-01 15:33:09 -03:00
Felipe Cecagno
b176ef090f fixing the incorrect handling of the last timeline event on video processing 2013-07-01 15:32:25 -03:00
Gustavo Salazar
d63fbac298 Create missing start events for webcam streams fix #1561 2013-06-20 15:45:26 -05:00
Felipe Cecagno
fea7486ae3 implemented the possibility to include the desktop sharing streams to the presentation playback; it composes the presentation video file just like the other video streams, with the difference that while the screen is being sharing, it appears as the unique video stream in the presentation video - when the presenter stops sharing his screen, the other videos populate the video display; 
also, the output video resolution is modified to the highest screen resolution shared during the conference, independently on the output video resolution set by the user; it was done to preserve the quality of the desktop sharing image; if there's no desktop sharing, the output video resolution is respected
 2013-06-14 17:50:39 -03:00
Felipe Cecagno
fda4e203f9 extracted FFMPEG_LOG_LEVEL to a module constant, and use it in all FFmpeg commands; now it's easy to increase the log level during development 2013-06-14 17:44:10 -03:00
Felipe Cecagno
8ca4e949aa modified the BigBlueButton.execute method so it can raise an exception when the command passed didn't finish successfully; you can optionally pass fail_on_error=false so it won't raise an exception 2013-06-14 17:39:29 -03:00
Felipe Cecagno
53c071ddc3 ref #1516 
Refactored the code that generates the video file used in the presentation playback. The problem with the sync of video sources was related to problems of precision inside FFmpeg (sometimes the script runs FFmpeg to trim video files, and the output video file trimmed sometimes was 3+ seconds bigger or smaller than the requested).
Also it's a little more modular, so it will be easier to expand functionality. The processing steps are more explicit now, and the logs are better now to understand the final output.
A new parameter on presentation.yml was added to enable the admin to add an offset for the audio stream - this is mainly useful when the session ran with h264, because the video takes longer for the client to encode, and then in the recording we can see the huge gap between audio and video.
 2013-06-13 17:10:52 -03:00
Gustavo Salazar
0aa1c9867c support ingest for matterhorn 1.4 2013-06-07 16:27:14 -05:00
Gustavo Salazar
4c60948ae0 Merge pull request #77 from fcecagno/fixing-video-processing 
fixing the start-stop camera events matches, so now even if there's no s...
 2013-04-28 17:40:50 -07:00
Gustavo Salazar
0166939205 use the 'Crop Box' of pdf page 2013-04-05 14:00:13 -05:00
Gustavo Salazar
406e467c8b set audio sample rate according to the recorded audio file 2013-02-13 14:42:23 -05:00
Gustavo Salazar
c761ef0bf1 generate tail padding when processing audio 2013-01-23 12:44:20 -05:00
Felipe Cecagno
5176e508dd fixing the start-stop camera events matches, so now even if there's no stop video event, the video processing will run smoothly 2012-12-06 21:28:13 -02:00
Gustavo Salazar
5d53bdfd4a Send one video stream(webcam OR deskshare) to Matterhorn server 2012-10-24 13:40:41 -05:00
Gustavo Salazar
ac32c59029 Extract pdf page in a temp dir 2012-10-23 13:53:43 -05:00
Gustavo Salazar
f3c8477b27 Fixed frame rate in mpg file 2012-09-28 11:52:35 -05:00
Gustavo Salazar
aa3350115d Ask for ffmpeg version before using loop parameter. 2012-09-25 20:08:52 -05:00
Gustavo Salazar
2462802d54 Change ffmpeg commands to support version 0.11.2 2012-09-21 17:27:11 -05:00
Gustavo Salazar
f5ee8b6cbf Update license. 2012-09-04 16:42:13 -05:00
Markos Calderon
5bb870b385 Merge branch 'master' of https://github.com/bigbluebutton/bigbluebutton into add-sanity-check 2012-08-30 16:13:44 -05:00
Gustavo Salazar
a8fae3bbf9 Ask if duration of video is 0. 2012-08-28 14:38:23 -05:00
Gustavo Salazar
63c421abd5 Remove options used by libx264. 2012-08-27 17:34:08 -05:00
Felipe Cecagno
f9d7f11d63 reverted the code used to process the video for the matterhorn integration; many fixes on the video processing for the new playback format "presentation"; now it's possible to set the output video resolution for the presentation playback - it's VGA by default but could be set to HD 2012-08-27 12:41:26 -03:00
Markos Calderon
9d9bf10e81 pending changes in rap-worker 2012-08-15 19:10:29 -05:00
Gustavo Salazar
a85e8c144e Use webm for webcam in playback. 2012-08-07 16:36:52 -05:00
Gustavo Salazar
e523dbf9e6 Merge pull request #55 from mconf/video-playback-into-master 
Video playback
 2012-08-03 09:08:25 -07:00
Markos Calderon
2e8715988b Fix for event urls and support for https 2012-08-01 18:55:50 -05:00
Felipe Cecagno
e8dc780c37 integrated the video playback into master, but the whiteboard events playback, as well as the presentation playback, is not functional yet - it seems that the writing.js is broken on master, tried to fix it without success 2012-08-01 17:40:58 -03:00
Richard Alam
4ee4eb79cc - strip controls chars from chat messages as it fails the process of recordings 2012-05-12 23:17:38 -07:00
Richard Alam
93b274f4c8 - fix http://code.google.com/p/bigbluebutton/issues/detail?id=1087 2012-05-16 19:11:00 +00:00
Richard Alam
7b1ff2d4bb - add utf-8 encoding magic comment to recording ruby scripts 
http://blog.grayproductions.net/articles/understanding_m17n
 2012-05-03 18:56:01 +00:00
Gustavo Salazar
6c85a36005 Convert timestamp to float so when dividing the result will contain 
decimals
 2012-02-17 13:02:52 -05:00