Hello.
I converted a VOB video and the result is unbelievable.
Here is the low-down of the problem:
The video duration was actually 1H1M and a few seconds.
While converting to MP4/H.264 format with Handbrake, it got reduced to a duration of 8S880ms. I believe the contents are not lost.
The Video details via PotPlayer:
The source is gone.Code:General Complete name : F:\TempStorageFromHandbrake\StoryBoard.m4v Format : MPEG-4 Format profile : Base Media / Version 2 Codec ID : mp42 (isom/iso2/avc1/mp41) File size : 1.53 MiB Duration : 18 s 880 ms Overall bit rate mode : Variable Overall bit rate : 678 kb/s Encoded date : UTC 2016-10-03 18:23:36 Tagged date : UTC 2016-10-03 18:23:36 Writing application : HandBrake 0.10.5 2016021100 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L3 Format settings, CABAC : Yes Format settings, ReFrames : 5 frames Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 1 s 68 ms Bit rate : 5 671 kb/s Width : 656 pixels Height : 480 pixels Display aspect ratio : 4:3 Frame rate mode : Constant Frame rate : 29.970 (30000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.601 Stream size : 739 KiB (47%) Writing library : x264 core 142 r2479 dd79a61 Encoding settings : cabac=1 / ref=5 / deblock=1:-1:-1 / analyse=0x1:0x111 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.15 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=3 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=300 / keyint_min=30 / scenecut=40 / intra_refresh=0 / rc_lookahead=50 / rc=crf / mbtree=1 / crf=18.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00 Encoded date : UTC 2016-10-03 18:23:36 Tagged date : UTC 2016-10-03 18:23:36 Color range : Limited Color primaries : BT.601 NTSC Transfer characteristics : BT.709 Matrix coefficients : BT.601 Menus : 4 Audio #1 ID : 2 Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Codec ID : ac-3 Duration : 18 s 880 ms Bit rate mode : Constant Bit rate : 192 kb/s Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 spf) Bit depth : 16 bits Compression mode : Lossy Stream size : 443 KiB (28%) Title : Original 5.1 / Original 5.1 Language : English Default : Yes Alternate group : 1 Encoded date : UTC 2016-10-03 18:23:36 Tagged date : UTC 2016-10-03 18:23:36 Fallback To : 3 Audio #2 ID : 3 Format : AAC Format/Info : Advanced Audio Codec Format profile : LC Codec ID : 40 Duration : 18 s 859 ms Bit rate mode : Variable Bit rate : 161 kb/s Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 kHz Frame rate : 46.875 FPS (1024 spf) Compression mode : Lossy Stream size : 370 KiB (24%) Title : Stereo / Stereo Language : English Default : Inherited From: 2 Alternate group : 1 Encoded date : UTC 2016-10-03 18:23:36 Tagged date : UTC 2016-10-03 18:23:36 Fallback From : 2 Menus : 4 Menu ID : 4 Codec ID : text Duration : 1 s 68 ms Language : English Encoded date : UTC 2016-10-03 18:23:36 Tagged date : UTC 2016-10-03 18:23:36 Menu For : 1,3 00:00:00.000 : Chapter 1
Is it possible to stretch this video to its original duration to 1H1M?
Thanks.
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Really? Where do you think 100,000+ frames of your DVD source went? They didn't go into your short video file.
Sure. But you'll have a slideshow.
The MediaInfo report shows only 1.68 seconds of video. Either case, you're screwed.Last edited by jagabo; 4th Oct 2016 at 13:32.
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Thanks @jagabo
Yes. it was a slideshow. A presentation with stills.
No way? -
What's the real length of the video you have? In the thread title you say 18.88s, in the body of your first post you say 8.88s, and the MediaInfo report says 1.68s for the video stream. You can remux with a low frame rate -- just how low depends on what the real length of the video stream is. 1.68 seconds at 30 fps corresponds to 50 frames. To display 50 frames over 61 minutes requires a frame rate of 0.0139 fps. Audio will be out of sync, of course.
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I remember it was 1h 1m + a few seconds.
Pot player says:
Total duration: 18s 880ms.
Video length: 1s 68ms
Once I'd stretched an audio track from 1h31m41s to 1h41m44s, without changing pitch and without loss of sync. But can't recall how I did it.
It's all so frustrating.Last edited by ConverterCrazy; 4th Oct 2016 at 14:32. Reason: additional info
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Any number of tools can do that. Audacity, VirtualDub, etc. But you're not going to stretch an 18 second audio clip to an hour and have anything recognizable.
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