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GStreamer Base Plugins 0.10 Plugins Reference Manual | ![]() |
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GObject +----GstObject +----GstElement +----GstBaseSrc +----GstPushSrc +----GstVideoTestSrc
"pattern" GstVideoTestSrcPattern : Read / Write "timestamp-offset" gint64 : Read / Write "is-live" gboolean : Read / Write
The videotestsrc element is used to produce test video data in a wide variaty of formats. The video test data produced can be controlled with the "pattern" property.
gst-launch -v videotestsrc pattern=snow ! ximagesink
Shows random noise in an X window.
plugin | videotestsrc |
author | David A. Schleef <ds@schleef.org> |
class | Source/Video |
typedef enum { GST_VIDEO_TEST_SRC_SMPTE, GST_VIDEO_TEST_SRC_SNOW, GST_VIDEO_TEST_SRC_BLACK, GST_VIDEO_TEST_SRC_WHITE, GST_VIDEO_TEST_SRC_RED, GST_VIDEO_TEST_SRC_GREEN, GST_VIDEO_TEST_SRC_BLUE, GST_VIDEO_TEST_SRC_CHECKERS1, GST_VIDEO_TEST_SRC_CHECKERS2, GST_VIDEO_TEST_SRC_CHECKERS4, GST_VIDEO_TEST_SRC_CHECKERS8 } GstVideoTestSrcPattern;
The test pattern to produce.
GST_VIDEO_TEST_SRC_SMPTE
GST_VIDEO_TEST_SRC_SMPTE
A standard SMPTE test pattern
A standard SMPTE test pattern
GST_VIDEO_TEST_SRC_SNOW
GST_VIDEO_TEST_SRC_SNOW
Random noise
Random noise
GST_VIDEO_TEST_SRC_BLACK
GST_VIDEO_TEST_SRC_BLACK
A black image
A black image
GST_VIDEO_TEST_SRC_WHITE
GST_VIDEO_TEST_SRC_WHITE
A white image
A white image
GST_VIDEO_TEST_SRC_RED
GST_VIDEO_TEST_SRC_RED
A red image
A red image
GST_VIDEO_TEST_SRC_GREEN
GST_VIDEO_TEST_SRC_GREEN
A green image
A green image
GST_VIDEO_TEST_SRC_BLUE
GST_VIDEO_TEST_SRC_BLUE
A blue image
A blue image
GST_VIDEO_TEST_SRC_CHECKERS1
GST_VIDEO_TEST_SRC_CHECKERS1
Checkers pattern (1px)
Checkers pattern (1px)
GST_VIDEO_TEST_SRC_CHECKERS2
GST_VIDEO_TEST_SRC_CHECKERS2
Checkers pattern (2px)
Checkers pattern (2px)
GST_VIDEO_TEST_SRC_CHECKERS4
GST_VIDEO_TEST_SRC_CHECKERS4
Checkers pattern (4px)
Checkers pattern (4px)
GST_VIDEO_TEST_SRC_CHECKERS8
GST_VIDEO_TEST_SRC_CHECKERS8
Checkers pattern (8px)
Checkers pattern (8px)
pattern
" property"pattern" GstVideoTestSrcPattern : Read / Write
Type of test pattern to generate.
Default value: Random (television snow)
timestamp-offset
" property"timestamp-offset" gint64 : Read / Write
An offset added to timestamps set on buffers (in ns).
Default value: 0