Darwin 流媒体服务器 - 自适应比特率?
任何人都可以提供有关如何使用 DSS 表示支持的自适应比特率功能的任何说明或链接吗?根据 v6.0.3 的发行说明:
- 3GPP Release 6 比特率适配支持,
我假设这可以让您在 3gp 文件中包含具有不同比特率的多个视频流,并且 DSS 将根据当前带宽自动提供最佳流。至少我希望它能做到这一点。
我想我不确定 DSS 期望接收什么格式的文件。我尝试将多个流添加到 3gp 文件中,这导致 Quicktime 无法播放它,并且 VLC 为文件中的每个流打开一个不同的窗口。
任何方向将不胜感激。
Can anyone provide any direction or links on how to use the adaptive bitrate feature that DSS says it supports? According to the release notes for v6.0.3:
- 3GPP Release 6 bit rate adaptation support
I assume that this lets you include multiple video streams in the 3gp file with varying bitrates, and DSS will automatically serve the best stream based on the current bandwidth. At least that's what I hope it does.
I guess I'm not sure what format DSS is expecting to receive the file. I tried just adding several streams to a 3gp file which resulted in Quicktime unable to play it, and VLC opening up a different window for each stream in the file.
Any direction would be much appreciated.
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DSS 6.x 中使用的自适应流使用丢帧方法来减少总体带宽,而不是动态动态比特率调整。其结果可能是不可预测的。 DSS 会丢弃帧,并且不需要以任何特殊方式编码的视频即可工作。
Adaptive streaming used in DSS 6.x uses a dropped frame approach to reduce overall bandwidth rather than dynamic on the fly bitrate adjustments. The result of this can be unpredictable. The DSS drops the frames, and does not need the video encoded in any special way for it to work.