gstreamer插件之 videotestsrc

gstreamer插件videotestsrc介绍

最新推荐文章于 2024-10-11 18:52:37 发布

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最新推荐文章于 2024-10-11 18:52:37 发布 · 3.9k 阅读

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本文详细探讨了 GStreamer 中的 videotestsrc 插件，它是用于测试视频源的工具。内容包括其工作原理、使用场景以及如何在实际应用中配置和集成，帮助开发者更好地理解和运用这一关键组件。

beijing:~ # gst-inspect-1.0 videotestsrc
Factory Details:
Rank                     none (0)
Long-name                Video test source
Klass                    Source/Video
Description              Creates a test video stream
Author                   David A. Schleef <ds@schleef.org>

Plugin Details:
Name                     videotestsrc
Description              Creates a test video stream
Filename                 /usr/lib64/gstreamer-1.0/libgstvideotestsrc.so
Version                  1.4.3
License                  LGPL
Source module            gst-plugins-base
Source release date      2014-09-24
Binary package           GStreamer Base Plug-ins source release
Origin URL               Unknown package origin

GObject
+----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstBaseSrc
                         +----GstPushSrc
                               +----GstVideoTestSrc

Pad Templates:
SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw
                 format: { I420, YV12, YUY2, UYVY, AYUV, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, NV12, NV21, NV16, NV24, GRAY8, GRAY16_BE, GRAY16_LE, v308, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, I422_10LE, I422_10BE, Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]
      video/x-bayer
                 format: { bggr, rggb, grbg, gbrg }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element Flags:
no flags set

Element Implementation:
Has change_state() function: gst_base_src_change_state

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
SRC: 'src'
    Implementati

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