Demuxing dual video stream .avi - where are my files?

[Harkes]

Hi

First post here... I have been trying to extract the video streams into separate files for this .avi file (video from my dual-channel dash cam).

I am using "ffmpeg -i input.avi -map 0:0 -c copy output.avi" which seems to work, but where is my output.avi??? I cannot find it and if I redo the demux I am asked if I want to overwrite so it must be there?



Sample of my input file:
https://www.sendspace.com/file/p6d7ea

- Thanks, Niels

[Baldrick]

It should be in the free video editor folder.

[redwudz]

You might check in: 'C:Program Files (x86) DVDVideoSoft\Free Video Editor..'

Windows search has always been mostly useless for me.
Even when I have the exact name of a file and I'm looking right at it, Windows search often can't find it.
Many programs by default put the output in their program folder. You can probably change that.

But others here that are familiar with the program may be more helpful.

And welcome to our forums.

[Cornucopia]

If it's asking to overwrite and you said "yes", then ffmpeg just did something you probably didn't want to have happen such as overwriting your input file. Check your input file: does it still have dual streams?

Scott

[Harkes]

As I am trying to show with the screendump - the output file I have just created isn't - Windows explorer cannot see it anyway.

[jagabo]

Search the entire drive for the file. But I agree with others, it should be in the same folder as the input file.

[Baldrick]

It must be in that folder.

Is your source file in that folder? They should both be in same folder.

[Harkes]

Thanks for the answers. I solved the problem using the XviD4PSP GUI...

However - I do ahve another problem now. The audio is being Delay corrected which I dont want. The original video and audio is perfectly aligned...how to prevent this?

ENCODING STARTED 2015-02-16 08:48:19 +0800
-----------------------------------------------------------
XviD4PSP 7.0.108 BETA
CPU: 2292 MHz Processors: 4
RAM: 3.9 Gb
OS: Windows 7 Home Premium 64-bit SP1 (6.1.7601)
-----------------------------------------------------------
Input file: evnt_20150214_152023.avi
File: evnt_20150214_152023.avi
Format: AVI (Audio Video Interleaved)
Size: 30.10mb
Duration: 30s 166ms, 603 frames
Video: H264 (AVC1) 5107kbps 1280x720p 16:9 YUV420P L3.0 R1 20.000
Video: H264 (AVC1) 2966kbps 1280x720p 16:9 YUV420P L3.0 R1 10.000 VFR
Audio: PCM 352kbps 1ch 16bit 22.1kHz -28168ms
Unknown: NONE 13kbps
-----------------------------------------------------------
Output file: evnt_20150214_152023_encoded.avi
Output folder: C:\Users\Niels P Harkes\Desktop\Morning Drive 150214
Output format: AVI LossLess
-----------------------------------------------------------
Requested volume detection for stream: 1.
-----------------------------------------------------------
VOLUME DETECTION STARTED 2015-02-16 08:48:19 +0800
-----------------------------------------------------------
Volume detection in progress...
Detected volume level: 100.0% position: 8s 916ms
Detection time: 275ms
-----------------------------------------------------------
VOLUME DETECTION COMPLETED 2015-02-16 08:48:19 +0800
-----------------------------------------------------------
CONFIG OUTPUT STREAMS 2015-02-16 08:48:19 +0800
-----------------------------------------------------------
Init video stream at index: 0
-----------------------------------------------------------
H264 (AVC1) 5107kbps 1280x720p 16:9 YUV420P L3.0 R1 20.000
Codec: H264 > X264 CRF 21.0 HQ with 6 threads
Codec timebase: 500 / 20022 > 1 / 20
Stream timebase: 500 / 10011 > 1 / 20
-----------------------------------------------------------
Framerate: 20.000 CFR (20022/500 > 20/1)
-----------------------------------------------------------
Init audio stream at index: 1
-----------------------------------------------------------
PCM 352kbps 1ch 16bit 22.1kHz 100.0%
Codec: PCM > PCM with 1 threads
Delay correction: -28.168s
-----------------------------------------------------------
Encoding in progress...
-----------------------------------------------------------
Completed video stream at index: 0
-----------------------------------------------------------
Read: 600 packets.
Decoded: 600 packets.
Filtered: 600 packets.
Encoded: 600 packets.
Written: 600 packets.
-----------------------------------------------------------
Completed audio stream at index: 1
-----------------------------------------------------------
Read: 757 packets.
Decoded: 757 packets.
Filtered: 1302 packets.
Encoded: 1302 packets.
Written: 1302 packets.
-----------------------------------------------------------
Last video 0 position: 29.850s
Last audio 1 position: 2.041s - Desync 27.809s!
-----------------------------------------------------------
Average video 0 bitrate: 6496kbps
Average audio 1 bitrate: 5225kbps
-----------------------------------------------------------
ENCODING COMPLETED! 2015-02-16 08:49:12 +0800

[Baldrick]

Xvid4psp will reconvert the video and audio but ffmpeg will just remove one video track. So it's not any better.