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| fraizzo |
| Posted: May 22 2014, 10:54 AM |
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Newbie
Group: Members
Posts: 3
Member No.: 37991
Joined: 22-May 14
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Hi to all.
I work with a mkv file with matroska plugin, i open my mkv, i choose "full processing",choose the codec, but when i save it to avi (i test with segmented area) the file was really big (2gb for 10 seconds).
I have tried with different codec but the results was always the same.
Thanks in advance
Francesco |
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| dloneranger |
| Posted: May 22 2014, 12:05 PM |
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Moderator
Group: Moderators
Posts: 2366
Member No.: 22158
Joined: 26-September 07
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For clarity, is this normal workflow you followed?
(ignoring any editing/selection of video)
file menu->open video file
video menu->select full processing mode
video menu->select video codec (which one? recommended normal codes are x264 and xvid)
audio menu->select full processing mode
audio menu->select audio codec (which one? mp3 and ac3 are fairly normal ones)
file menu->save as avi
You need to be fairly exact when giving problem reports, as the smallest thing may make a difference
Just the choice of codec can result in huge file size or quality problems
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MultiAdjust JoinWav WavNormalize FFMPeg Input Plugin v1827 UnSharpMask
Windows7/8 Codec Chooser
All FccHandlers Stuff inc. Installers for acm codecs AAC, AC3, LameMp3 |
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| fraizzo |
| Posted: May 22 2014, 12:47 PM |
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Newbie
Group: Members
Posts: 3
Member No.: 37991
Joined: 22-May 14
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Ok, i report my problem in right mode:
1. open video file (mkv)
2. video - full processing mode
3. video - compression x264 codec
4. audio - full processing mode
5. audio - compression mp3 codec
File - save as avi
10 seconds = 2gb
This is log:
| CODE |
[*] Beginning preview operation.
[i] Dub: Recompressing using format: RGB888.
[*] Ending operation.
[*] Beginning dub operation.
[i] Dub: Input (decompression) format is: YUV420.
[i] Dub: Output (compression) format is: RGB888.
[*] Ending operation.
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| dloneranger |
| Posted: May 22 2014, 02:39 PM |
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Moderator
Group: Moderators
Posts: 2366
Member No.: 22158
Joined: 26-September 07
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That's not normal at all
If you load the large video into virtualdub you'll be able to see its details from file menu->file information
On that dialog you should be able to see the video and audio decompressors
They should be x264 for video and mp3 (0x0055) for audio
You should also see the bitrates that have been used
For example, one I have here is 1280x720@30fps and its bitrates are
keyframes 4954/30484/66547 (min/average/max)
delta 36/5818/32963 (min/average/max)
datarate 1420323 bits/sec
You can also use programs like MediaInfo for examining your files
http://mediaarea.net/en/MediaInfo
If they're are, then your x264 settings are badly picked
Here's a decent starting point for settings http://forums.virtualdub.org/index.php?act...1157&hl=x264vfw
This may sound dumb, but I'm going to mention it anyway for the googlers, and because people have done this many times ;-)
After picking codecs, never switch modes back to direct stream copy mode
It may be faster, but it won't do any recompression, it'll just copy the streams
file menu->open video file
video menu->select full processing mode
video menu->select video codec (which one? recommended normal codes are x264 and xvid)
video compression dialog->configure your codec
audio menu->select full processing mode
audio menu->select audio codec (which one? mp3 and ac3 are fairly normal ones)
audio compression dialog->pick bitrate etc on right hand side
file menu->save as avi
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MultiAdjust JoinWav WavNormalize FFMPeg Input Plugin v1827 UnSharpMask
Windows7/8 Codec Chooser
All FccHandlers Stuff inc. Installers for acm codecs AAC, AC3, LameMp3 |
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| fraizzo |
| Posted: May 22 2014, 03:00 PM |
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Newbie
Group: Members
Posts: 3
Member No.: 37991
Joined: 22-May 14
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EDIT:
I think the problem was that the source file is big, about 1,5gb .mkv
If i work on a small file i have no problem... |
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