Ylläs – auringonlasku kesällä 2019 (gtlvideo.py-demo)

Tämä on ensimmäinen time-lapse -video, jonka olen generoinut koodamallani gtlvideo.py-ohjelmallani (versio 0.911). FHD-video on demo. Video on tehty 49 CR2-kuvasta, jotka on ensin muutettu PNG-muotoon ohjelmallani. Kuvaustiedot: Canon 7D + EF 24-105mm f/4L

 

Gtlvideo-demo

Generate time-lapse video from images

Version 0.911 (beta) (C) ... 2019

Python version: 3.5

Scanning supported image files in current directory...

CR2 info:

Files: 0

Width: 0

Height: 0

PNG info:

Files: 49

Width: 5202

Height: 3464

JPG info:

Files: 0

Width: 0

Height: 0

Sample file name: IMG_5010.png

Digits before file extension: 4

Default picture format: PNG

Select project name (Default: video <Enter>): demo

Project name: demo

Video name : demo.mkv

Select video mode (landscape=L, portrait=P, Default: Landscape <Enter>):

Landscape video mode selected

Video modes

0 Native 5202x3464 5202:3464

2 4K/DCI 4096x2160 256:135

3 4K/UHD 3840x2160 16:9

4 2K 2560x1440 16:9

5 Full HD 1920x1080 16:9

6 Pi/md4 1640x1232 4:3

7 Pi/md5 1640x922 16:9

8 HD 1280x720 16:9

9 SD 720x576 16:9

10 XGA 1024x768 4:3

11 VGA 640x480 4:3

12 GIF 320x200 4:3

13 Custom ?x? x:y

Select video mode (Default mode is: 0 = 5202x3464 <Enter>): 5

Crop & Resize or only Crop?

Select Crop & Resize or only Crop (C&R=Y, C=N, Default: C&R <Enter>):

C&R mode selected

Crop mode: vertical

Image original size: 5202 x 3464

Image size before scaling: 5202 x 2926

Video size after scaling: 1920 x 1080

0 = Middle crop

1 = Top crop

2 = Bottom crop

3 = Custom crop start Y (0...537)

Select crop mode (Default: 0)? 2

Standard video frame rates: 24, 25, 30, 48, 50 and 60

Select video FPS (1...60, Default=25 <Enter>): 15

Video information

Frames: 49

FPS: 15

Duration: 3.2666666666666666 s

Select 15 frames/s (Y/N, Default: Y <Enter>):

Default FPS selected

Constant Rate Factor: 0 (lossless) - 18 - 23 (default) - 28 - 51 (worst)

Select video CRF for x264 (0...51, Default=23 <Enter>):

Default CRF selected

---------------------

Summary of selections:

Project name: demo

Video name: demo.mkv

Video resolution is smaller than image size

Crop mode: crop and resize

Crop direction: vertical

Crop selection: Bottom crop

Crop coordinates: (0,2925)-(5201,3463)

Crop geometry error: -0.00 %

Image size: 5202x3464

Cropped image size: 5202x2926

Video size: 1920x1080

Picture geometry (h/w): 0.6658977316416763

Cropped image geometry (h/w): 0.5624759707804691

Video geometry (h/w): 0.5625

File format: PNG

File sample name: IMG_5010.png

Project name: demo-IMG_

First new file name: demo-IMG_4980.png

Working path: /home/…/time-lapse/20190716-yllas-auringonlasku-png

PNG path: /home/…/time-lapse/20190716-yllas-auringonlasku-png/png/

Video and log path: /home/…/time-lapse/20190716-yllas-auringonlasku-png/video/

Video name: demo.mkv

Log name: demo.log

File format digits: 4

First frame: 4980

Last frame: 5028

Calculated number of frames: 49

Files: 49

FPS: 15

Duration: 3.2666666666666666 s

Constant Rate Factor (CRF): 23

Stage 1: PNG->PNG

for i in /home/.../time-lapse/20190716-yllas-auringonlasku-png/*.png ; do ffmpeg -y -i "$i" -vf crop=5202:2926:0:2925,scale=1920:1080 /home/.../time-lapse/20190716-yllas-auringonlasku-png/png/"demo-$(basename "$i" ".png")".png ; done

Stage 2: Create video

ffmpeg -y -r 15 -start_number 4980 -i /home/.../time-lapse/20190716-yllas-auringonlasku-png/png/demo-IMG_%04d.png -c:v libx264 -crf 23 /home/.../time-lapse/20190716-yllas-auringonlasku-png/video/demo.mkv

Are you sure you want to proceed (Y/N, Default=Y <Enter>)? Y

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