Changes between Version 4 and Version 5 of Yocto/gstreamer

Timestamp:

06/28/2018 03:58:11 PM (6 years ago)

Author:

Cale Collins

Comment:

added gst-inspect to troubleshooting.

Yocto/gstreamer

@@ -275 +275 @@
 done
 }}} 
+=== gst-inspect-1.0
+Gst-inspect-1.0 is included in our Yocto BSP.  This is an excellent tool if you're unfamiar with the functionality of a Gstreamer module.  
+
+Usage:
+{{{#!bash
+root@ventana:~# gst-inspect-1.0 imxv4l2videosrc ##imxv4l2videosrc is just an example this can be any gstreamer plugin. 
+Factory Details:
+  Rank                     primary (256)
+  Long-name                V4L2 CSI Video Source
+  Klass                    Source/Video
+  Description              Capture video streams using V4L2 CSI interface
+  Author                   Philip Craig <phil@blackmoth.com.au>
+
+Plugin Details:
+  Name                     imxv4l2videosrc
+  Description              GStreamer i.MX V4L2 CSI video source
+  Filename                 /usr/lib/gstreamer-1.0/libgstimxv4l2videosrc.so
+  Version                  0.11.1
+  License                  LGPL
+  Source module            gstreamer-imx
+  Binary package           Unknown package release
+  Origin URL               Unknown package origin
+
+GObject
+ +----GInitiallyUnowned
+       +----GstObject
+             +----GstElement
+                   +----GstBaseSrc
+                         +----GstPushSrc
+                               +----GstImxV4l2VideoSrc
+
+Implemented Interfaces:
+  GstURIHandler
+
+Pad Templates:
+  SRC template: 'src'
+    Availability: Always
+    Capabilities:
+      video/x-raw
+
+
+Element Flags:
+  no flags set
+
+Element Implementation:
+  Has change_state() function: gst_base_src_change_state
+
+Element has no clocking capabilities.
+
+URI handling capabilities:
+  Element can act as source.
+  Supported URI protocols:
+    imxv4l2
+
+Pads:
+  SRC: 'src'
+    Implementation:
+      Has getrangefunc(): gst_base_src_getrange
+      Has custom eventfunc(): gst_base_src_event
+      Has custom queryfunc(): gst_base_src_query
+      Has custom iterintlinkfunc(): gst_pad_iterate_internal_links_default
+    Pad Template: 'src'
+
+Element Properties:
+  name                : The name of the object
+                        flags: readable, writable
+                        String. Default: "imxv4l2videosrc0"
+  parent              : The parent of the object
+                        flags: readable, writable
+                        Object of type "GstObject"
+  blocksize           : Size in bytes to read per buffer (-1 = default)
+                        flags: readable, writable
+                        Unsigned Integer. Range: 0 - 4294967295 Default: 4096 
+  num-buffers         : Number of buffers to output before sending EOS (-1 = unlimited)
+                        flags: readable, writable
+                        Integer. Range: -1 - 2147483647 Default: -1 
+  typefind            : Run typefind before negotiating
+                        flags: readable, writable
+                        Boolean. Default: false
+  do-timestamp        : Apply current stream time to buffers
+                        flags: readable, writable
+                        Boolean. Default: false
+  capture-mode        : Capture mode of camera, varies with each v4l2 driver,
+                                for example ov5460:
+                                ov5640_mode_VGA_640_480 = 0,
+                                ov5640_mode_QVGA_320_240 = 1,
+                                ov5640_mode_NTSC_720_480 = 2,
+                                ov5640_mode_PAL_720_576 = 3,
+                                ov5640_mode_720P_1280_720 = 4,
+                                ov5640_mode_1080P_1920_1080 = 5
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 0 
+  fps-n               : Numerator of the framerate at whichthe input stream is to be captured
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 30 
+  input               : Video input selected with VIDIOC_S_INPUT
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 1 
+  device              : Device location
+                        flags: readable, writable
+                        String. Default: "/dev/video0"
+  queue-size          : Number of V4L2 buffers to request
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 6 
+  crop-meta-x         : X value for crop metadata
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 0 
+  crop-meta-y         : Y value for crop metadata
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 0 
+  crop-meta-width     : WIDTH value for crop metadata
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 0 
+  crop-meta-height    : HEIGHT value for crop metadata
+                        flags: readable, writable
+                        Integer. Range: 0 - 2147483647 Default: 0 
+}}}
+