Microsoft-Windows-MP4SDECD

Event	Title	Channel	Sample	Rule
0	MP4SDECD_DecoderStart	WINDOWS_MP4SDECD_CHANNEL	N	N
1	MP4SDECD_DecoderStop	WINDOWS_MP4SDECD_CHANNEL	N	N
2	MP4SDECD_InitStart	WINDOWS_MP4SDECD_CHANNEL	N	N
3	MP4SDECD_InitStop	WINDOWS_MP4SDECD_CHANNEL	N	N
4	MP4SDECD_setExtendedFormatStart	WINDOWS_MP4SDECD_CHANNEL	N	N
5	MP4SDECD_setExtendedFormatStop	WINDOWS_MP4SDECD_CHANNEL	N	N
6	MP4SDECD_ProcessInputStart	WINDOWS_MP4SDECD_CHANNEL	N	N
7	MP4SDECD_ProcessInputStop	WINDOWS_MP4SDECD_CHANNEL	N	N
8	MP4SDECD_ProcessInput	WINDOWS_MP4SDECD_CHANNEL	N	N
9	MP4SDECD_ProcessOutputStart	WINDOWS_MP4SDECD_CHANNEL	N	N
10	MP4SDECD_ProcessOutputStop	WINDOWS_MP4SDECD_CHANNEL	N	N
11	MP4SDECD_ProcessOutputStart11	WINDOWS_MP4SDECD_CHANNEL	N	N
12	MP4SDECD_ProcessOutputStop12	WINDOWS_MP4SDECD_CHANNEL	N	N
13	MP4SDECD_ProcessOutputStart13	WINDOWS_MP4SDECD_CHANNEL	N	N
14	MP4SDECD_ProcessOutputStop14	WINDOWS_MP4SDECD_CHANNEL	N	N
15	MP4SDECD_ProcessOutputStart15	WINDOWS_MP4SDECD_CHANNEL	N	N
16	MP4SDECD_ProcessOutputStop16	WINDOWS_MP4SDECD_CHANNEL	N	N
17	MP4SDECD_ProcessOutputStart17	WINDOWS_MP4SDECD_CHANNEL	N	N
18	MP4SDECD_ProcessOutputStop18	WINDOWS_MP4SDECD_CHANNEL	N	N
19	MP4SDECD_MFSetRate	WINDOWS_MP4SDECD_CHANNEL	N	N
20	MP4SDECD_Discontinuity	WINDOWS_MP4SDECD_CHANNEL	N	N
21	MP4SDECD_Flush	WINDOWS_MP4SDECD_CHANNEL	N	N
22	MP4SDECD_NullOutput	WINDOWS_MP4SDECD_CHANNEL	N	N
23	MP4SDECD_QM	WINDOWS_MP4SDECD_CHANNEL	N	N
24	MP4SDECD_QM24	WINDOWS_MP4SDECD_CHANNEL	N	N

Event ID 0: MP4SDECD_DecoderStart

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_Decoder
Opcode: Start

Event ID 1: MP4SDECD_DecoderStop

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_Decoder
Opcode: Stop

Event ID 2: MP4SDECD_InitStart

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_Init
Opcode: Start

Fields #

Name	Description
`FourCC` UInt32
`FrameRate` UInt32
`WidthSource` Int32
`WidthHeight` Int32

Event ID 3: MP4SDECD_InitStop

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_Init
Opcode: Stop

Event ID 4: MP4SDECD_setExtendedFormatStart

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_setExtendedFormat
Opcode: Start

Fields #

Name	Description
`FormatSize` UInt32
`Format` Binary

Event ID 5: MP4SDECD_setExtendedFormatStop

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_setExtendedFormat
Opcode: Stop

Event ID 6: MP4SDECD_ProcessInputStart

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessInput
Opcode: Start

Fields #

Name	Description
`SampleSizeInBytes` UInt32
`SampleTime` Int64
`SampleDuration` Int64

Event ID 7: MP4SDECD_ProcessInputStop

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessInput
Opcode: Stop

Fields #

Name	Description
`Frame` UInt32

Event ID 8: MP4SDECD_ProcessInput

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessInput

Fields #

Name	Description
`Frame` UInt32
`SampleTime` Int64
`SampleDuration` Int64

Event ID 9: MP4SDECD_ProcessOutputStart

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Start

Event ID 10: MP4SDECD_ProcessOutputStop

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Stop

Fields #

Name	Description
`SampleTime` Int64
`SampleDuration` Int64

Event ID 11: MP4SDECD_ProcessOutputStart11

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Start

Event ID 12: MP4SDECD_ProcessOutputStop12

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Stop

Event ID 13: MP4SDECD_ProcessOutputStart13

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Start

Event ID 14: MP4SDECD_ProcessOutputStop14

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Stop

Event ID 15: MP4SDECD_ProcessOutputStart15

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Start

Event ID 16: MP4SDECD_ProcessOutputStop16

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Stop

Event ID 17: MP4SDECD_ProcessOutputStart17

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Start

Event ID 18: MP4SDECD_ProcessOutputStop18

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_ProcessOutput
Opcode: Stop

Event ID 19: MP4SDECD_MFSetRate

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_MFSetRate

Fields #

Name	Description
`ThinningMode` Boolean
`Rate` Float

Event ID 20: MP4SDECD_Discontinuity

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_Discontinuity

Event ID 21: MP4SDECD_Flush

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_Flush

Event ID 22: MP4SDECD_NullOutput

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_NullOutput

Event ID 23: MP4SDECD_QM

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_QM

Fields #

Name	Description
`DropMode` UInt32

Event ID 24: MP4SDECD_QM24

Channel: WINDOWS_MP4SDECD_CHANNEL
Task: MP4SDECD_QM

Fields #

Name	Description
`PostProcessingLevel` UInt32

Provenance

ETW provider GUID 7f2bd991-ae93-454a-b219-0bc23f02262a

Defined in mp4sdecd.dll, which carries the event manifest.

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.4294, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.4652, captured 2026-06-02 — Manifest XML pack, 2.0 MB