How Do I Convert MP4 to WMV?

Convert Your MP4 Files to WMV Files Online with makes it easy to convert your MP4 files to WMV files online. To begin the conversion, select ‘Encoding Options’ and select ‘Add Task.’ Use the pulldown menu to select WMV. That’s all you need to do to convert your MP4 files to WMV! MPEG-4 Read more

How Do I Convert Video to 3GP? Online Video to 3GP Converter 3GP is a multimedia container format that supports MPEG-2, H.263 and H.264 (MPEG-4) video codecs. 3GP was designed to decrease storage and bandwidth requirements in order to accommodate mobile phones. Most 3G capable mobile phones support the playback and recording of video in 3GP format (memory, maximum file size Read more

What is a Video MIME Type?

MIME type stands for multipurpose internet mail extensions and is a format for a video file that is transmitted across the internet. MIME types were originally created so that emails could send more than just text. Today, a MIME type is not just for email, but are used by web browsers and web servers to Read more

What is the H.264 video codec?

H.264/MPEG-4 Part 10 or AVC (Advanced Video Coding) is a standard for video compression. It has rapidly become one of the most popular high-quality codecs for video delivery on a wide variety of platforms. The ITU-T H.264 standard and the ISO/IEC MPEG-4 AVC standard are jointly maintained so that they have identical technical content. H.264 Read more

What are the best Flash video frame dimensions?

Video codecs perform best when the frame width and height use multiples of 16. While you can use any width and height in your encoding settings, non-optimal dimensions can result in poor image quality and reduced frame rate. For the best image quality and playback, you should always use width and height dimensions that use Read more

Locking H.264 keyframe values to conform to DRM requirements

Some DRM specifications require locked GOP sizes that ignore scene changes. Our API can set an H.264 keyframe interval, and boost the scene change threshold high enough to achieve this. Example for 24 fps: <format> <output>mp4 </output> <video_codec>libx264 </video_codec> <framerate>24</framerate> <keyframe>24</keyframe> <video_codec_parameters> <sc_threshold>1999999999</sc_threshold> <keyint_min>23</keyint_min> </video_codec_parameters> </format>

Could not write header for output file

Could not write header for output file (incorrect codec parameters?): The specified codecs are not supported for this format, or need special parameters to be specified. For example: 3GP format require libamr_nb audio codec for correct encoding.