I need to download & save the video streams from this site on to my HDD
Live webcast of Aero India 2011 International Seminar
All my current methods of catching the stream has failed me
1. Flashgot
2. Grab++ [Orbit Downloader]
3. DownloadHelper [Firefox addon]
4. Internet Download Manager
5. URL Snooper + RMTPDump
URL Snooper gave me this as a URL for one of the videos
If anybody has been able to save the stream, then please let me know how you did it - please don't suggest a screen capture though - i waste the whole day seeing the video get buffered - horrible speeds i haveCode:rtmp://flashmedia.nic.in:80/aeroindiavod/mp4:innsptech.f4v&poster=http://osmf.org/images/poster_cathy_fmp.jpg&autoPlay=true
Also saving the stream will not involve any breaking of laws, as the lectures are not protected by any copyright laws
Preferably, please suggest me those methods you have tried out yourself with the videos on this site & have found it to be working with this site.
Thanks
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Blog: www.AAME.in ||| Youtube: YouTube.Com/Luptonga
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Hi,
In fact you were nearly right with URL Snooper, just paste this part of the address in a downloader like Net Transport or else :
rtmp://flashmedia.nic.in:80/aeroindiavod/mp4:innsptech.f4v
and you will be able to download your video -
@OkeN
Hi,
Net Transport is pretty cool - was able to download the video without a hitch.
However, with this software, I'm facing a problem, never faced before - the videos have no sound by the time it finishes downloading
I mention "by the time it finishes downloading", because, during download, when i play the partially downloaded file [while the download is going in the background], i'm able to listen to the audio as well as the video. But once the download is over, there is no sound.
Take for example this video file
Code:rtmp://flashmedia.nic.in:80/aeroindiavod/mp4:aircrafttech.f4v
I did a direct stream copy of the final file from f4v to avi & ran it through GSpot codec inspector & it shows that the file has no audio stream
so i ran another one of the partially downloaded F4v file & clicked on the MS A/V (1) button and in the message
Can anybody try downloading the RTMP URL i just posted above & tell me if they succeeded in downloading the audio as well
Please let me know any other method that will download both the audio & video as well
Thanks a lotBlog: www.AAME.in ||| Youtube: YouTube.Com/Luptonga -
Hi
I downloaded the file using RTMPDump with this command:-
Code:rtmpdump -r "rtmp://flashmedia.nic.in:80/aeroindiavod/mp4:aircrafttech.f4v" -o aircrafttech.flv
It plays with VLC. Both video and sound are OK.
From here it would be simple to do a 'stream copy' to re-mux it into mp4.
For example:-
Code:ffmpeg -i aircrafttech.flv -vcodec copy -acodec copy aircrafttech.mp4
Complete name : aircrafttech.flv
Format : Flash Video
File size : 221 MiB
Duration : 1h 26mn
Overall bit rate : 357 Kbps
Video
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline@L3.1
Format settings, CABAC : No
Format settings, ReFrames : 3 frames
Codec ID : 7
Duration : 1h 26mn
Bit rate mode : Constant
Bit rate : 286 Kbps
Nominal bit rate : 300 Kbps
Width : 400 pixels
Height : 300 pixels
Display aspect ratio : 4:3
Frame rate mode : Variable
Frame rate : 24.000 fps
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.099
Stream size : 177 MiB (80%)
Audio
Format : MPEG Audio
Format version : Version 2
Format profile : Layer 3
Codec ID : 2
Codec ID/Hint : MP3
Duration : 1h 26mn
Bit rate mode : Constant
Bit rate : 48.0 Kbps
Channel(s) : 1 channel
Sampling rate : 22.05 KHz
Compression mode : Lossy
Stream size : 29.8 MiB (13%)ron@ubuntu:~$ rtmpdump -r "rtmp://flashmedia.nic.in:80/aeroindiavod/mp4:aircrafttech.f4v" -o aircrafttech.flv
RTMPDump v2.3
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
Starting download at: 0.000 kB
INFO: Metadata:
INFO: duration 5203.94
INFO: moovPosition 36.00
INFO: width 400.00
INFO: height 300.00
INFO: videocodecid avc1
INFO: audiocodecid .mp3
INFO: avcprofile 66.00
INFO: avclevel 31.00
INFO: videoframerate 24.00
INFO: audiosamplerate 22050.00
INFO: audiochannels 1.00
INFO: tags:
INFO: ©art National Informatics Centre
INFO: ©prt NIC@11
INFO: desc Aero India 2011 International Seminar
INFO: keyw Aero India 2011 International Seminar
INFO: rtng
INFO: ©nam Aero India 2011 International Seminar
INFO: trackinfo:
INFO: length 5203898.00
INFO: timescale 1000.00
INFO: language eng
INFO: sampledescription:
INFO: sampletype avc1
INFO: length 5203943.00
INFO: timescale 1000.00
INFO: language eng
INFO: sampledescription:
INFO: sampletype .mp3
226486.442 kB / 5203.92 sec (99.9%)
Download completeLast edited by bat999; 9th Feb 2011 at 17:10. Reason: Added link for RTMPDump
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@bat999
Thanks a lot RTMP Dump worked perfectly with the file. As it turns out the reason RTMPDump did not work out the first time i tried was because i had added this along with the URL of the video
Code:&poster=http://osmf.org/images/poster_cathy_fmp.jpg&autoPlay=true
However, the problem i am now facing is that i am unable to do a stream copy of the file into either the AVI or MP4 container.
When i run ffmpeg i get the following error message and a 71 kB file
I then used SUPER that too has the ffmpeg as one of the encoder - same result. I then selected the MEncoder option, that did stream copy it, but wiped out the audio & file size got all screwed
Though i am able to get around this problem by re-encoding the file using Videopad Video Editor that i have, i was hoping to keep the video untouched & just change the container
Though the biggest hurdle has been overcome [downloading the file] this bit of inconvenience remains - any help would be highly appreciated
ThanksBlog: www.AAME.in ||| Youtube: YouTube.Com/Luptonga -
Hi luptonga
I tried converting the aircrafttech file to mp4 using ffmpeg - and I got the same result as you.
It looks like these flv files from Aero India are actually f4v files.
I don't know how to convert them.
Out there on the internet there seem to be millions of converter programs available.
Google "f4v converter" gives "About 2,850,000 results (0.24 seconds)".
Maybe leave them as flv files to view with VLC until you find something.
I agree, it would be best to convert them 'losslessly' by changing the container.
EDIT
It seems that ffmpeg will convert these files, but it won't allow stream copy of the video track.
So, like using your VideoPad Video Editor program, ffmpeg would make a reasonable job of converting if you do need them to be in a different format.
For example:-
Code:ffmpeg -i aircrafttech.flv -vcodec mpeg4 -b 1200k -acodec copy aircrafttech.mp4
Last edited by bat999; 11th Feb 2011 at 04:31. Reason: Typo. Was fv4, now is f4v, also how to convert to mp4
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What about dump the avc /mp3 elementry streams with flv_extract and remux using one of many tools mkvtoolnix/mp4boxgui/andy's flvjoiner.
and you could alway try to rename the extension f4v to flv and see what program's can open it as the structure shouldn't be too different.
Also never heard of fv4 so you mean f4v?Last edited by dylz; 10th Feb 2011 at 16:26.
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Hi everybody,
decided to leave the f4v file as it is for now, without doing stream copy.
Whenever a different format is required, i am just re-encoding it it & with some trial & error have managed keep the encoded file appear almost no different from the original file - can live with that for the time being
thanks to all of you who suggested me with the various tools - much appreciatedBlog: www.AAME.in ||| Youtube: YouTube.Com/Luptonga
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