export GST_DEBUG_NO_COLOR=1
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export GST_INSPECT_NO_COLORS=1
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# Skip vstride aligning, which is not required when using RKVENC.
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# export GST_MPP_ENC_UNALIGNED_VSTRIDE=1
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# Convert to NV12(using RGA) when output format is NV12_10.
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# export GST_MPP_DEC_DISABLE_NV12_10=1
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# Convert to NV12(using RGA) when output format is not NV12.
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# export GST_MPP_VIDEODEC_DEFAULT_FORMAT=NV12
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# Try to use ARM AFBC to get better performance, but not work for all sinks.
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# export GST_MPP_VIDEODEC_DEFAULT_ARM_AFBC=1
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# Use below env variables to configure kmssink plane ZPOS.
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# export KMSSINK_PLANE_ZPOS=0
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# export KMSSINK_PLANE_ON_TOP=1
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# export KMSSINK_PLANE_ON_BOTTOM=1
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# There's an extra vsync waiting in kmssink, which is only needed for BSP 4.4
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# kernel(due to ecac2033831e FROMLIST: drm: skip wait on vblank for set plane).
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# Skip it would bring better performance with frame dropping.
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# export KMSSINK_DISABLE_VSYNC=1
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# The waylandsink is async by default, which allows frame dropping.
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# export WAYLANDSINK_SYNC_FRAME=1
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# Put video surface above UI window in waylandsink.
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# export WAYLANDSINK_PLACE_ABOVE=1
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# Preferred formats for V4L2
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export GST_V4L2_PREFERRED_FOURCC=NV12:YU12:NV16:YUY2
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# Preferred formats for videoconvert
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export GST_VIDEO_CONVERT_PREFERRED_FORMAT=NV12:NV16:I420:YUY2
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# Using libv4l2 for V4L2
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export GST_V4L2_USE_LIBV4L2=1
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# Default device for v4l2src
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export GST_V4L2SRC_DEFAULT_DEVICE=/dev/video-camera0
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# Available RK devices for v4l2src
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export GST_V4L2SRC_RK_DEVICES=_mainpath:_selfpath:_bypass:_scale
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# Max resolution for v4l2src
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export GST_V4L2SRC_MAX_RESOLUTION=3840x2160
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# Min buffers for V4L2 plugins
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# export GST_V4L2_MIN_BUFS=64
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# Preferred sinks for playbin3(autoaudiosink/autovideosink) and playbin.
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# export AUTOAUDIOSINK_PREFERRED=alsasink
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# export AUTOVIDEOSINK_PREFERRED=waylandsink
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# export PLAYBIN2_PREFERRED_AUDIOSINK=alsasink
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# export PLAYBIN2_PREFERRED_VIDEOSINK=waylandsink
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# Try RGA 2D accel in videoconvert, videoscale and videoflip.
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# NOTE: Might not success, and might behave different from the official plugin.
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# export GST_VIDEO_CONVERT_USE_RGA=1
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# export GST_VIDEO_FLIP_USE_RGA=1
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# Default rotation for camerabin2:
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# clockwise(90)|rotate-180|counterclockwise(270)|horizontal-flip|vertical-flip
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# export CAMERA_FLIP=clockwise
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if [ $CAMERA_FLIP ]; then
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CAMERA_FILTER="videoflip method=$CAMERA_FLIP"
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export CAMERABIN2_PREVIEW_FILTER=$CAMERA_FILTER
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export CAMERABIN2_IMAGE_FILTER=$CAMERA_FILTER
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export CAMERABIN2_VIDEO_FILTER=$CAMERA_FILTER
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export CAMERABIN2_VIEWFINDER_FILTER=$CAMERA_FILTER
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fi
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