Video Codec Test 2.4.0 readme (English)

Copyright Notice

Video Codec Test
Copyright © 2008-2021 UMEZAWA Takeshi

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Overview

Video Codec Test is a Windows tool to test and benchmark VCM video codec.

Environment

Minimum requirement

OS

Windows 8.1 or later

Installation

Expand all files to suitable folder. This application doesn't write to filesystem nor registry, so you can uninstall it just by deleting expanded files.

About Donations

Video Codec Test is a free software. Donations to support development are always welcome. For more information, visit "About Donations" page.

Version history

Version 2.4.0

New features

• Add option to read the whole of file before benchmarking. (-R)

Others

• Add a workaround for CLFLUSH bug in Intel SDE.

Version 2.3.0

New features

• Add option to show the average of multiple measurement. (-m)

Others

• In -W option, now wait for enter key rather than 5 seconds.
• Flush cache by using CLFLUSH(OPT) instruction.
• Exit immediately in case of failure of opening a video file.

Version 2.2.2

Bug fixes

• Once ICDecompressBegin failed, don't decode following files.

Others

• When Enough -q option is specified and ICDecompressBegin failed, show hyphen at decoding speed instead of error report.

Version 2.2.1

Others

• Statically linked to runtime library.

Version 2.2.0

New features

• Add option to wait 5 seconds before start benchmarking. (-W)
• Add option to be more quiet. (-qq)

Others

• Small changes of output.

Version 2.1.0

New features

• Add option to specify key frame interval. (-k)
• Add option to specify codec state. (-s)
• Add option to test encode only. (-e)
• Add option to allocate buffer at high address (over 0x10000 for x86, over 0x100000000 for x64). (-H)
• Add support to multiple files test.

Version 2.0.0

History is uncertain.