gsteamer的疑问?

os posted @ 2013年10月31日 10:57 in GStreamer , 2845 阅读

 

1. 为什么gstreamer是graph-based?

 

2. Pipelines can be visualised by dumping them to a .dot file and creating a PNG image from that

    如何倒?

 

3. container和codec的区别?

   container formats: asf, avi, 3gp/mp4/mov, flv, mpeg-ps/ts, mkv/webm, mxf, ogg

 

4. event->structure作用是什么?

 

5. GstStructure的作用?

   GstStructure实质是GArray.

   是Key/Value键值对的集合(Collection)

   一般GstCaps, GstEvent, GstQuery, GstMessage会用到GstStructure.

 

6. GstEvent仅仅提供了几个event,并没有生命周期,谁用它呢?

    GstPad? GstElement? GstPipeline?

    The event class provides factory methods to construct events for sending and functions to query (parse) received events.

 

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zhang007z 说:
2015年10月10日 12:10

我也正在研究gstreamer和glib,看到你的文章,有很多问题我也或自然开朗,请加我QQ:317579780,微信号也是这个,一起学习,一下进步。

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creditos rapidos gra 说:
2019年3月26日 08:12

This is a very interesting post and I have learned so much by going through it.


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