• Compression Techniques

  Campark Action Cam footage not editable – what to convert to??

  Posted by Adrian Nowski on July 16, 2017 at 1:02 pm

  Hi All,

  This is my first post on the forum.

  I am an amateur video editor. I have recently bought a 4K Action Cam – Campark. Footage from this camera in standard 1920×1080 edits in Vegas Pro without any problems. The 4K footage (it is actually 3840×2160) can’t be edited. On Vegas pro I get strange flickering on crossfades. Video below:

  https://www.youtube.com/watch?v=7VTrOxeO-y4

  I have also downloaded the latest trial edition of Adobe Premiere Pro to see if the problem is with Vegas or my footage. And I have issues in APP too. After adding videos to the timeline, video repeats frames or certain few seconds fragments randomly, which leads me to thinking that my 4K footage is in some strange format. Info from MediaInfo below. I thought of converting them to something else to be able to edit in Vegas, but Handbrake doesn’t open my footage. I get this message:

  “Handbrake will not be able to encode the selected source as it did not find the valid source with titles to encode. This is due to the following reasons:
  – The source file is not a valid video file or is a format that HandBrake does not support
  – The source may be copy protected or include DRM”

  Would you be able to suggest anything? Do I need a certain codec to be able to process this footage in Vegas Pro? These videos play OK in Windows though.

  MediaInfo:
  Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/mp41)
File size : 722 MiB
Duration : 4 min 21 s
Overall bit rate mode : Variable
Overall bit rate : 23.1 Mb/s
Tagged date : UTC 2017-06-18 15:41:14

  Video
  ID : 1
  Format : AVC
  Format/Info : Advanced Video Codec
  Format profile : Main@L5.1
  Format settings, CABAC : Yes
  Format settings, ReFrames : 1 frame
  Codec ID : avc1
  Codec ID/Info : Advanced Video Coding
  Duration : 4 min 21 s
  Source duration : 4 min 21 s
  Bit rate : 23.1 Mb/s
  Width : 3 840 pixels
  Height : 2 160 pixels
  Display aspect ratio : 16:9
  Frame rate : 30.000 FPS
  Color space : YUV
  Chroma subsampling : 4:2:0
  Bit depth : 8 bits
  Scan type : Progressive
  Bits/(Pixel*Frame) : 0.093
  Stream size : 720 MiB (100%)
  Source stream size : 720 MiB (100%)
  Language : English
  Color range : Limited
  Color primaries : BT.601 PAL
  Transfer characteristics : BT.601
  Matrix coefficients : BT.601
  mdhd_Duration : 261797

  Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 4 min 21 s
Source duration : 4 min 21 s
Bit rate mode : Variable
Channel(s) : 1 channel
Channel positions : Front: C
Sampling rate : 8 000 Hz
Frame rate : 7.813 FPS (1024 spf)
Compression mode : Lossy
Source stream size : 555 KiB (0%)
Language : English
mdhd_Duration : 261797

  Hardware info:
  i7-6500U
  8GB RAM
  Intel HD Graphics 520 – integrated
  500GB HDD

  Adrian Nowski replied 8 years, 10 months ago 2 Members · 2 Replies
• 2 Replies

• 

  Craig Seeman

  July 20, 2017 at 11:48 am

  If Vegas and PPro show the same issue perhaps it’s something about decoding the GOP structure that’s at issue.
  Can you try converting it to DNxHR which is an iFrame codec?
• 

  Adrian Nowski

  July 23, 2017 at 11:07 am

  Re-wrapping in ffmpeg cured the issue

Reply to this Discussion! Login or Sign Up