Microsoft-Windows-WMVENCOD

Event	Title	Channel	Sample	Rule
0	VC1ENC_ACCEPTINPUTStart	WINDOWS_VC1ENC_CHANNEL	N	N
1	VC1ENC_ACCEPTINPUTStop	WINDOWS_VC1ENC_CHANNEL	N	N
2	VC1ENC_PRODUCEOUTPUTStart	WINDOWS_VC1ENC_CHANNEL	N	N
3	VC1ENC_PRODUCEOUTPUTStop	WINDOWS_VC1ENC_CHANNEL	N	N
4	VC1ENC_SEQ_INFO	WINDOWS_VC1ENC_CHANNEL	N	N
5	VC1ENC_FRAME_BUFFERLEVEL_INFO	WINDOWS_VC1ENC_CHANNEL	N	N
6	VC1ENC_FRAME_NOOFREENCODE_INFO	WINDOWS_VC1ENC_CHANNEL	N	N
7	VC1ENC_FRAME_DROP_INFO	WINDOWS_VC1ENC_CHANNEL	N	N
8	VC1ENC_FRAME_MODECOST_INFO	WINDOWS_VC1ENC_CHANNEL	N	N
9	VC1ENC_FRAME_PTOI_INFO	WINDOWS_VC1ENC_CHANNEL	N	N
10	VC1ENC_ADAPTIVE_RESCHANGE	WINDOWS_VC1ENC_CHANNEL	N	N
11	VC1ENC_ADAPTIVE_AVAILBANDWIDTH	WINDOWS_VC1ENC_CHANNEL	N	N
12	VC1ENC_ADAPTIVE_VIDEOBITRATE	WINDOWS_VC1ENC_CHANNEL	N	N

Event ID 0: VC1ENC_ACCEPTINPUTStart

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_ACCEPTINPUT
Opcode: Start

Fields #

Name	Description
`SampleTime` Int64
`SamplePointer` Pointer
`EncoderInstance` Pointer

Event ID 1: VC1ENC_ACCEPTINPUTStop

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_ACCEPTINPUT
Opcode: Stop

Fields #

Name	Description
`SampleTime` Int64
`SamplePointer` Pointer
`EncoderInstance` Pointer

Event ID 2: VC1ENC_PRODUCEOUTPUTStart

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_PRODUCEOUTPUT
Opcode: Start

Fields #

Name	Description
`SampleTime` Int64
`SamplePointer` Pointer
`EncoderInstance` Pointer

Event ID 3: VC1ENC_PRODUCEOUTPUTStop

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_PRODUCEOUTPUT
Opcode: Stop

Fields #

Name	Description
`SampleTime` Int64
`SamplePointer` Pointer
`EncoderInstance` Pointer

Event ID 4: VC1ENC_SEQ_INFO

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_SEQ_INFO

Fields #

Name	Description
`CodingMode` Int32
`InterlaceCodingType` UInt32
`EncoderInstance` Pointer

Event ID 5: VC1ENC_FRAME_BUFFERLEVEL_INFO

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_FRAME_BUFFERLEVEL_INFO

Fields #

Name	Description
`BufferLevelInfo` Int32
`SampleTime` Int64
`EncoderInstance` Pointer

Event ID 6: VC1ENC_FRAME_NOOFREENCODE_INFO

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_FRAME_NOOFREENCODE_INFO

Fields #

Name	Description
`NumberOfReencode` Int32
`SampleTime` Int64
`EncoderInstance` Pointer

Event ID 7: VC1ENC_FRAME_DROP_INFO

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_FRAME_DROP_INFO

Fields #

Name	Description
`SampleTime` Int64
`EncoderInstance` Pointer

Event ID 8: VC1ENC_FRAME_MODECOST_INFO

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_FRAME_MODECOST_INFO

Fields #

Name	Description
`MixedMVCost` Double
`OneMVQPBicubicCost` Double
`OneMVHPBicubicCost` Double
`OneMVHPBilinearCost` Double
`IntraCost` Double
`SampleTime` Int64
`EncoderInstance` Pointer

Event ID 9: VC1ENC_FRAME_PTOI_INFO

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_FRAME_PTOI_INFO

Fields #

Name	Description
`SampleTime` Int64
`EncoderInstance` Pointer

Event ID 10: VC1ENC_ADAPTIVE_RESCHANGE

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_ADAPTIVE_RESCHANGE

Fields #

Name	Description
`Resolution` UInt32
`EncoderInstance` Pointer

Event ID 11: VC1ENC_ADAPTIVE_AVAILBANDWIDTH

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_ADAPTIVE_AVAILBANDWIDTH

Fields #

Name	Description
`Bitrate` UInt32
`EncoderInstance` Pointer

Event ID 12: VC1ENC_ADAPTIVE_VIDEOBITRATE

Channel: WINDOWS_VC1ENC_CHANNEL
Task: VC1ENC_ADAPTIVE_VIDEOBITRATE

Fields #

Name	Description
`Bitrate` UInt32
`EncoderInstance` Pointer

Provenance

ETW provider GUID 313b0545-bf9c-492e-9173-8de4863b8573

Defined in wmvencod.dll, which carries the event manifest.

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB