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[Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoW
From: |
Avinoam Kalma |
Subject: |
[Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter |
Date: |
Wed, 23 Oct 2019 00:22:56 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36 |
Follow-up Comment #5, bug #57020 (project octave):
After last additions to Video pakage
(http://hg.code.sf.net/p/octave/video/rev/c4746720f185,
http://hg.code.sf.net/p/octave/video/rev/22ede10d0776),
things looks much better (Thanks Andy!)
The commands:
demo VideoWriter
and
demo Videoreader
work
(need a change in VideoReader.m: change the line
fn = "/tmp/sombrero.mp4";
to
fn = fullfile (tempdir(), "sombrero.mp4");
as in VideoWriter).
My own demos also work:
vid = VideoReader('vid.mp4');
cnt = 0;
while (hasFrame(vid))
cnt = cnt + 1;
I = readFrame(vid);
imwrite (I, sprintf ('%05d.png', cnt));
end
folder = 'C:\Octave\Video';
vid = VideoWriter('demo.avi');
open(vid);
Images = dir (fullfile (folder, '*.png'));
for i=1:numel(Images)
file = fullfile (folder, Images(i).name);
I = imread (file);
writeVideo(vid, I);
end
close(vid)
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- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Pantxo Diribarne, 2019/10/08
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Pantxo Diribarne, 2019/10/08
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Pantxo Diribarne, 2019/10/08
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, John Donoghue, 2019/10/08
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Rik, 2019/10/09
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Avinoam Kalma, 2019/10/15
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Avinoam Kalma, 2019/10/15
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter,
Avinoam Kalma <=
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Andreas Weber, 2019/10/24
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Avinoam Kalma, 2019/10/24
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Andreas Weber, 2019/10/30
- [Octave-bug-tracker] [bug #57020] [octave-forge] (video): missing VideoWriter, Andreas Weber, 2019/10/31