VP 13 crashing when importing a mp4 file using Wirecast on a Mac

set wrote on 9/29/2016, 8:53 PM

Can you make a short test again (record only) after the live stream event, and test put the recorded MP4 into VP13 ?

Just a little test if the problem occured due to the possibly broken MP4 file or something not right on the OS / Wirecast. And, if the newer MP4 still causing an error on your VP13, can you post a small recorded sample from your Wirecast system so any VP13 users here can try test your video file?

carlos-g wrote on 9/29/2016, 9:48 PM

I'm not at the church until after work tomorrow, so I uploaded the video in question to my Google Drive account. What is strange about it is that it plays through the media player in Windows 10, but crashes Vegas 13. The mp4 file I uploaded is 1.46 gig

Below is the link:

(Hopefully it will allow anyone to download it)

https://drive.google.com/file/d/0B9YLAjNV4xSuZFc1R1BUYVpPdTQ/view?usp=sharing

set wrote on 9/29/2016, 10:41 PM

Hi Carlos, I have successfully download your file.

I able to put your video on my VP13, but then my VP13 freezes. Also, No thumbnail appear.

Checking the file on media info:

General
Complete name                            : G:\TEST\Carlos - Wirecast\09-28-16_Justice_NJ_Elms.mp4
Format                                   : MPEG-4
Format profile                           : Base Media / Version 2
Codec ID                                 : mp42 (mp42/isom)
File size                                : 1.46 GiB
Duration                                 : 45 min 30 s
Overall bit rate mode                    : Constant
Overall bit rate                         : 4 608 kb/s
Encoded date                             : UTC 2016-09-28 18:58:34
Tagged date                              : UTC 2016-09-28 18:58:34

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L4
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 3 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 45 min 30 s
Bit rate mode                            : Constant
Bit rate                                 : 4 376 kb/s
Nominal bit rate                         : 6 000 kb/s
Maximum bit rate                         : 6 845 kb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 21.874 FPS
Minimum frame rate                       : 0.811 FPS
Maximum frame rate                       : 30.000 FPS
Original frame rate                      : 30.000 FPS
Standard                                 : NTSC
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.096
Stream size                              : 1.39 GiB (95%)
Title                                    : Telestream Inc. Telestream Media Framework - Local 99.99.999999
Encoded date                             : UTC 2016-09-28 18:58:34
Tagged date                              : UTC 2016-09-28 18:58:34
Color range                              : Limited

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 45 min 30 s
Source duration                          : 45 min 30 s
Bit rate mode                            : Constant
Bit rate                                 : 128 kb/s
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 kHz
Frame rate                               : 43.066 FPS (1024 spf)
Compression mode                         : Lossy
Stream size                              : 41.7 MiB (3%)
Source stream size                       : 41.7 MiB (3%)
Title                                    : Telestream Inc. Telestream Media Framework - Local 99.99.999999
Encoded date                             : UTC 2016-09-28 18:58:34
Tagged date                              : UTC 2016-09-28 18:58:34

I noticed the frame rate of this video is 21.874 FPS ? Also, on VLC, resolution is 1920x1090 ?

As seen in VLC and Win Media player, the motion is not really smooth. How's the motion on the live stream version?

NickHope wrote on 9/29/2016, 10:58 PM

In VP14 I get the same result as Set. Green screen, no thumbnails, variable frame rate, not smooth in VLC.

set wrote on 9/29/2016, 11:03 PM

Update: Hitfilm4 Express can successfully open the file. First time dropped to timeline and play, no audio heard, but after giving some minutes, the audio appear. I suggest you to use it to reexport your video to new MP4, and try put new MP4 to VP13.

Quitter wrote on 9/29/2016, 11:40 PM

Yes, there is a framerate problem, get the same result: green screen

Frame rate mode                    : variabel
Frame rate                               : 21,874 FPS
Minimum frame rate               : 0,811 FPS
Maximum frame rate              : 30,000 FPS
Original frame rate                    : 30,000 FPS
Standard                                  : NTSC
Color space                              : YUV
Chroma subsampling               : 4:2:0
Bit depth                                : 8 bits
Scan type                                : progressiv

I' ve converted it with handbrake (Preset: normal) with a constant framerate of 30,
and it works but it jerky terribly due to the variable framerate at the original file

carlos-g wrote on 9/30/2016, 9:55 AM

What do i need to change in either Wirecast or Blackmagic to get good frame rates? I didn't change it from the default HD setting while setting it up. The only thing i did differently was set up a limited user so that my film crew doesnt need the administrator password.

carlos-g wrote on 9/30/2016, 9:58 AM

By the way, thank you all!

Yall are awesome!!!

NickHope wrote on 9/30/2016, 10:08 AM

What do i need to change in either Wirecast or Blackmagic to get good frame rates?

I doubt the Blackmagic Express would deliver a variable framerate so it must be Wirecast. I don't know the specifics but you want to set it to constant frame rate if you can. A quick Google search for "wirecast constant frame rate" throws up a few results. I've only encountered variable frame rates on phone footage (and maybe YouTube) but they've never really been variable. They were at or very close to a constant frame rate. The MediaInfo for your file (in Quitter's post) indicates that the frame rate might actually be varying quite a lot.

carlos-g wrote on 9/30/2016, 10:18 AM

I will try using Handbrake to see if this file is fixable and will also check my Wirecast settings tonight. I'm meeting my video guru at the church to adjust lighting and camera exposure.

Thank you again😊

set wrote on 9/30/2016, 10:23 AM

Before I have Atomos to record my multicam system a year ago, I depends on Blackmagic Express, recording directly from ATEM TV Studio via USB2 cable - and I have no issue of variable frame rate. It is constant 25p. So, high possibility it is from Wirecast.

https://www.instagram.com/p/BGL0oPoL-gC/

As for Live Stream, I use separate 'machine' for that, so each one working by it's own (Having 2 outputs). Still learning with Live Stream.

Here's my last live stream last June:

My current challenge is audio-video sync issue.