网页上的视频分辨率
我有 Flash 视频文件要在网站上显示。flv 文件的大小为 1024*768。但是,当我在网站上以 960*720 显示 flv 时,视频质量不好。
我们如何处理网页上的视频大小?
提前致谢
I have flash video files to display on to website.The flv files are in 1024*768 size.But , when i am displaying the flv on website with 960*720,the video quality is not good.
How can we handle the video sizes on webpage?
Thanks in advance
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您通常希望以其原始分辨率显示视频。缩放后的视频看起来很差,需要更多的处理器时间,并且缩小会浪费流比特。针对每个目标分辨率从源重新编码 FLV;大多数编码器内置的缩放器比播放器可以管理的要好得多。
不管怎样,960x720 对于 Flash 视频来说都是一个雄心勃勃的分辨率。许多用户无法顺利播放。
You'll generally want to display video at its native resolution. Scaled video looks poor, requires more processor time, and scaling down is a waste of stream bits. Re-encode the FLV from its source for each target resolution; most encoders have a much better scaler built-in than the player can manage.
Either way, 960x720 is an ambitious resolution for Flash Video. Many users won't have the power to play it back smoothly.
您有一个 1024x768 的视频文件,但在 960x720 下看起来很糟糕?听起来编码剥夺了原始素材的大部分质量。您必须检查 FLV 编码器的分辨率/比特率/编解码器提供的其他设置。
You have a 1024x768 video file and it looks bad in 960x720? That sounds like the encoding took away much of the quality of the original footage. You would have to check your FLV encoder's settings for resolution / bitrate / whatever else the codec provides for.