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/*
* Copyright 2006 Luc Verhaegen.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*
* X Unichrome MPEG Acceleration, protocol for X extension.
*
* This file uniquely identifies the interface between the MPEG acceleration
* client library and the X driver. You don't want too many (stale) copies of
* this lying around.
*
*/
#ifndef HAVE_XUMAPROTO_H
#define HAVE_XUMAPROTO_H 1
#define XUMA_EXT_NAME "Unichrome MPEG Acceleration Extension"
#define XUMA_VERSION 0
#define XUMA_RELEASE 0
#define xuma_QueryExtension 0
#define xuma_QueryCapabilities 1
#define xuma_PutSubPicture 2
#define xuma_StopSubPicture 3
#define xuma_GrabBuffer 4
#define xuma_ReleaseBuffer 5
#define xuma_PutQMatrix 6
#define xuma_InitSlice 7
#define xuma_PutSlice 8
/*
* Version, are we compatible?
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_QueryExtension */
CARD16 length B16;
} xumaQueryExtensionReq;
#define sz_xumaQueryExtensionReq 4
typedef struct {
BYTE type; /* X_Reply */
BYTE pad0;
CARD16 sequenceNumber B16;
CARD32 length B32;
CARD32 Version B32;
CARD32 Release B32;
CARD32 pad2 B32;
CARD32 pad3 B32;
CARD32 pad4 B32;
CARD32 pad5 B32;
} xumaQueryExtensionReply;
#define sz_xumaQueryExtensionReply 32
/*
* QueryCapabilities, how the client knows what it can and can't use.
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_QueryCapabilities */
CARD16 length B16;
CARD32 Port B32;
CARD32 pad1 B32;
} xumaQueryCapabilitiesReq;
#define sz_xumaQueryCapabilitiesReq 12
typedef struct {
BYTE type; /* X_Reply */
BYTE pad0;
CARD16 sequenceNumber B16;
CARD32 length B32;
#define XUMA_UNICHROME_I 0x0000
#define XUMA_UNICHROME_II 0x0001
CARD16 HW B16;
#define XUMA_MPEG2_MACROBLOCK 0x0001
#define XUMA_MPEG2_SLICE 0x0002
#define XUMA_MPEG4_MACROBLOCK 0x0004
CARD16 Accel B16;
CARD32 Flags B32;
CARD16 HMax B16;
CARD16 HAlign B16;
CARD16 VMax B16;
CARD16 VAlign B16;
CARD16 BufferCount B16;
CARD16 pad1 B16;
CARD32 pad2 B32;
} xumaQueryCapabilitiesReply;
#define sz_xumaQueryCapabilitiesReply 32
/*
* PutSubPicture
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_PutSubPicture */
CARD16 length B16;
CARD32 Port B32;
CARD16 Width B16;
CARD16 Height B16;
CARD8 IA44;
CARD8 pad0;
CARD16 pad1 B16;
} xumaPutSubPictureReq;
#define sz_xumaPutSubPictureReq 16
/*
* SubPictureStop
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_StopSubPicture */
CARD16 length B16;
CARD32 Port B32;
} xumaStopSubPictureReq;
#define sz_xumaStopSubPictureReq 8
/*
* GrabBuffer
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_GrabBuffer */
CARD16 length B16;
CARD32 Port B32;
CARD32 Format B32; /* FourCC */
CARD16 Width B16;
CARD16 Height B16;
} xumaGrabBufferReq;
#define sz_xumaGrabBufferReq 16
typedef struct {
BYTE type; /* X_Reply */
BYTE pad0;
CARD16 sequenceNumber B16;
CARD32 length B32;
CARD32 Port B32;
CARD8 BufferID;
CARD8 pad1;
CARD16 pad2 B16;
CARD32 pad3 B32;
CARD32 pad4 B32;
CARD32 pad5 B32;
CARD32 pad6 B32;
} xumaGrabBufferReply;
#define sz_xumaGrabBufferReply 32
/*
* ReleaseBuffer
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_ReleaseBuffer */
CARD16 length B16;
CARD32 Port B32;
CARD8 BufferID;
CARD8 pad1;
CARD16 pad2 B16;
} xumaReleaseBufferReq;
#define sz_xumaReleaseBufferReq 12
/*
* PutQMatrix, upload a Quantization matrix to the MPEG engine.
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_PutQMatrix */
CARD16 length B16;
CARD32 Port B32;
CARD32 Type B32;
} xumaPutQMatrixReq;
#define sz_xumaPutQMatrixReq 12
#if 0
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_PutQMatrixShm */
CARD16 length B16;
CARD32 Port B32;
CARD32 Type B32;
ShmSeg shmseg B32;
} xumaPutQMatrixShmReq;
#define sz_xumaPutQMatrixShmReq 16
#endif
/*
* Initialise engine for PutSlice.
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_InitSlice */
CARD16 length B16;
CARD32 Port B32;
CARD8 BufferID;
CARD8 FRefID;
CARD8 BRefID;
CARD8 F_MV_Range; /* Forward motion vector range, H and V Combined */
CARD8 B_MV_Range; /* Backward motion vector range, H and V Combined */
CARD8 PictureStructure;
CARD8 PictureCoding;
CARD8 IntraDCPrecision; /* 8, 9, 10, 11 */
CARD16 Flags B16;
CARD16 pad0;
} xumaInitSliceReq;
#define sz_xumaInitSliceReq 20
/*
* Feed the actual slices to the engine.
*/
typedef struct {
CARD8 reqType;
CARD8 xumaReqType; /* xuma_PutSlice */
CARD16 length B16;
CARD32 Port B32;
CARD8 BufferID;
CARD8 SliceCode;
CARD16 SliceLength B16;
} xumaPutSliceReq;
#define sz_xumaPutSliceReq 12
#endif /* HAVE_XUMAPROTO_H */
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