When setting the bitrate, you're guaranteed a maximum bitrate of that stream. These functionalities are mostly related to my Digital Video Transmission experiments. The page flipping is synchronized to the display's refresh rate, eliminating the tearing effects. Same pipeline with force-aspect-ratio property set to false. The date, time and elapsed time are added. Screen tearing occurs when the video output is not in sync with the display's refresh rate.
Uploader: | Bagar |
Date Added: | 26 July 2013 |
File Size: | 60.83 Mb |
Operating Systems: | Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X |
Downloads: | 29362 |
Price: | Free* [*Free Regsitration Required] |
The order by which input streams are connected to videomixer inputs is deterministic though difficult to predict.
Subscribe to RSS
If we'd made border-alpha 1. For quick cropping from 4: Timeoverlay inherits the properties of textoverlay so the text properties can be set using the same properties:. An input source is anything coming from an input on the device, e.
In the first example we recorded the captured frames to a theora encoded video file. Scaling The XVideo extension, when it's available, handles hardware accelerated scaling of video frames.

The stream is displayed on the screen at the captured rate and resolution and saved to an OGG file at 1 fps:. The following example will put a x pixels snow test pattern over a x pixels SMPTE pattern:. The "hue" property "hue" gint: Draw black borders when using GstXvImageSink: However, one advantage it has xvimagesik the imxg2dvideosink is that it includes a deinterlacer and can sink more video formats: The -e option xvimagseink EOS on sources before shutting the pipeline down.
The "window-height" property "window-height" guint Once this connection is open it will inspect the display configuration including the physical display geometry and then calculate the pixel aspect ratio.
windows - xvimagesink not found by gst-inspect - Stack Overflow
The "handle-expose" property "handle-expose" gboolean: There are several kind of events that can be grouped in 2 big categories: It can also transform images changing size, rotation etcplace images in specified locations, and can accept the following video formats: If no Window ID was provided by the application, the element will create its own internal window and render into it. Further, this element can deinterlace video before sending a frame on, which can be very useful depending on your video types.
This video transform obviously doesn't support any many video formats as the imxipuvideotransform, which is why it is not recommended. You can observe that no borders are drawn around the scaled image now and it will be distorted to fill the entire frame instead of respecting the aspect ratio.
In reply to this post by Yogesh Marwaha.

Navigation Main page Recent changes Random page Help. One feature on xv extension that not in xlib, is scaling.
XvImageSink creates a thread to handle events coming from the drawable. Generally not used on imx6 based product unless all other sinks fail. Similar to playbin and decodebinthis element selects what it thinks is the best available video sink and uses it. Property Details The "brightness" property "brightness" gint: Input events will be translated to navigation events and pushed upstream for other elements to react on them.
This is only recommended if you require a deinterlacer to eliminate the effect of interlaced video effects or requires a certain video format only this video sink can provide.
But then xv is just an interface and in times of OpenGL most drivers emulate the xv interface. It is generally not recommended. Like the imxg2dvideotransform, it cannot handle many video formats, which is why it is not recommended. On the other hand, the quant-param will take in whatever bitrate was decided on by the camera and only attempt to quantize it.
Comments
Post a Comment