Using external codecs - using x264.
Using an external codec - Using x264
oCam supports external codecs (VFW), and here we will learn how to use the x264 codec.
You can download the x264 codec from the site below.
http://sourceforge.net/projects/x264vfw/
Go to the site and click the download button.
Download starts automatically.
For the installation screen, you can just click Next.
Agree to the license agreement.
Specify the installation path.
Installation is complete.
Click Finish.
After installing the codec, you must restart oCam to see it in the external codec list.
After restarting oCam, click the Codec button on the main oCam window and click the External Codec menu.
Check the Use External Codec box.
In the list, select x264vfw - H264/MPEG-4 AVC codec.
Then click the Settings button to view detailed codec settings.
A codec settings window opens as shown below. Since this is not normal video encoding but real-time screen recording, select Ultrafast in Preset and check the Zero Latency box to make encoding as fast as possible, then click OK.
(This setting is useful for real-time recording, and you can adjust it as appropriate for your situation.)
After setting it this way and starting recording, it will be recorded using the x264 codec.
If you record like this, the recording is done using x264 codec.
* For game recording, if the game you want to record is 64-bit, you must also install the 64-bit version of x264vfw (by default, unless you touch the option during x264vfw installation), x264vfw-Configure x264vfw64 from the Start menu. Run it and set it up as described above.
* Keep / Accept only YUV 4: 2: 0, Keep / Accept only YUV 4: 2: 2, Keep / Accept only YUV 4: 4: 4 are not supported for x264vfw setting and recording will fail when using this setting.
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Download Useful External Codecs
If you want to use various video codecs with oCam, you can install external codecs to adjust recording quality and file formats the way you want. Below is information about the external codecs supported by oCam and how to install them. Installing external codecs allows you to use oCam more flexibly.
After installing an external codec, you must restart oCam. Once restarted, the installed codec will automatically appear under the 'External Codec' option in the oCam settings menu, where you can select it for recording. External codecs can be downloaded from the following link:
https://ohsoft.net/update/codec.php
The following are descriptions of the main external codecs supported by oCam:
Xvid Video Codec
The Xvid codec is a video codec that implements the MPEG-4 Simple Profile and Advanced Simple Profile standards. This codec offers efficient compression and high compatibility, making it suitable for creating videos that can be played on a wide range of devices and software. With Xvid, you can keep file sizes reasonable while minimizing quality loss during recording.
x264vfw Codec
x264vfw is a VfW (Video for Windows) codec that includes the widely known x264 encoder and ffh264 decoder. Based on the H.264 format, this codec can save high-quality video in a smaller file size. x264vfw is especially suitable for users who want sharp image quality and efficient compression, and it also offers excellent compatibility with various video editing software.
VP8 Codec
The VP8 codec can encode video at quality comparable to or better than H.264 video encoders. VP8 is a core component of the WebM format and is well suited for web-based video streaming or high-quality video storage. With this codec, you can reduce file size while maintaining clear image quality for efficient recording.
Lagarith Codec
Lagarith is a lossless video codec designed for video editing and archiving. As a lossless codec, it preserves the original video quality exactly, but the file size can be relatively large. Therefore, it is suitable for users who want to edit high-quality video or store it for the long term.
By installing and using external codecs in oCam, users can choose the best codec for their recording purpose and environment. For example, if you want to reduce file size, you can choose x264vfw or VP8, and if you want to create editing footage without quality loss, you can choose Lagarith. Download the codec you need from the link above, restart oCam, and apply the codec you want.