| Top |  |  |  |  | 
| guint | bitrate | Read / Write | 
| guint | keyframe-period | Read / Write | 
| guint | max-bframes | Read / Write | 
| guint | quantizer | Read / Write | 
| GstVaapiRateControlMPEG2 | rate-control | Read / Write | 
| GstVaapiEncoderTuneMPEG2 | tune | Read / Write | 
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstVideoEncoder ╰── GstVaapiEncode ╰── GstVaapiEncodeMpeg2
Encodes raw video streams into MPEG2 bitstreams.
| 1 | gst-launch-1.0 -ev videotestsrc num-buffers=60 ! timeoverlay ! vaapimpeg2enc ! matroskamux ! filesink location=test.mkv | 
| plugin | vaapi | 
| author | Guangxin Xu <guangxin.xu@intel.com> | 
| class | Codec/Encoder/Video | 
| name | sink | 
| direction | sink | 
| presence | always | 
| details | video/x-raw(memory:VASurface), format=(string){ ENCODED, NV12, I420, YV12 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], interlace-mode=(string)progressive | 
| video/x-raw, format=(string){ I420, YV12, YUY2, UYVY, AYUV, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, NV12, NV21, NV16, NV61, 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, A420_10LE, A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], interlace-mode=(string)progressive | 
| name | src | 
| direction | source | 
| presence | always | 
| details | video/mpeg, mpegversion=(int)2, systemstream=(boolean)false | 
“bitrate” property“bitrate” guint
The desired bitrate expressed in kbps (0: auto-calculate).
Flags: Read / Write
Allowed values: <= 102400
Default value: 0
“keyframe-period” property“keyframe-period” guint
Maximal distance between two keyframes (0: auto-calculate).
Flags: Read / Write
Allowed values: [1,300]
Default value: 30
“max-bframes” property“max-bframes” guint
Number of B-frames between I and P.
Flags: Read / Write
Allowed values: <= 16
Default value: 0
“quantizer” property“quantizer” guint
Constant quantizer (if rate-control mode is CQP).
Flags: Read / Write
Allowed values: [2,62]
Default value: 8
“rate-control” property  “rate-control”             GstVaapiRateControlMPEG2
Rate control mode.
Flags: Read / Write
Default value: Constant QP