2.2.2.3 RDPGFX_DELETE_ENCODING_CONTEXT_PDU
The RDPGFX_DELETE_ENCODING_CONTEXT_PDU message is sent by the server to instruct the client to delete a compression context that was used by a collection of RDPGFX_WIRE_TO_SURFACE_PDU_2 (section 2.2.2.2) messages to progressively transfer bitmap data.
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header |
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surfaceId |
codecContextId |
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header (8 bytes): An RDPGFX_HEADER (section 2.2.1.5) structure. The cmdId field MUST be set to RDPGFX_CMDID_DELETEENCODINGCONTEXT (0x0003), while the flags field MUST be set to zero.
surfaceId (2 bytes): A 16-bit unsigned integer that specifies the ID of the surface associated with the compression context ID specified in the codecContextId field.
codecContextId (4 bytes): A 32-bit unsigned integer that specifies the ID of the compression context to delete.