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Diffstat (limited to 'nx-X11/include/extensions/vldXvMC.h')
| -rw-r--r-- | nx-X11/include/extensions/vldXvMC.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/nx-X11/include/extensions/vldXvMC.h b/nx-X11/include/extensions/vldXvMC.h new file mode 100644 index 000000000..91fb3b76a --- /dev/null +++ b/nx-X11/include/extensions/vldXvMC.h @@ -0,0 +1,175 @@ +/***************************************************************************** + * VLD XvMC Nonstandard extension API. + * + * Copyright (c) 2004 The Unichrome Project. All rights reserved. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHOR(S) OR COPYRIGHT HOLDER(S) 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. + * + * Author: Thomas Hellström, 2004. + */ + + +#ifndef _VLDXVMC_H +#define _VLDXVMC_H + +#include <X11/Xlib.h> +#include <X11/extensions/XvMC.h> +#include <X11/extensions/XvMClib.h> + +/* + * New "Motion compensation type". + */ + +#define XVMC_VLD 0x0020000 + +/* + * Below Flags to be passed in the XvMCMpegControl structure 'flag' field. + */ + +#define XVMC_PROGRESSIVE_SEQUENCE 0x00000010 + +/* + * Zig-Zag Scan / Alternative Scan. + */ + +#define XVMC_ZIG_ZAG_SCAN 0x00000000 +#define XVMC_ALTERNATE_SCAN 0x00000100 + +/* + * Frame DCT and frame prediction are used. / + * Field prediction + */ + +#define XVMC_PRED_DCT_FRAME 0x00000040 +#define XVMC_PRED_DCT_FIELD 0x00000000 + +/* + * Top / Bottom field first + */ + +#define XVMC_TOP_FIELD_FIRST 0x00000080 +#define XVMC_BOTTOM_FIELD_FIRST 0x00000000 + +/* + * Motion vectors coded in intra macroblocks + */ + +#define XVMC_CONCEALMENT_MOTION_VECTORS 0x00000200 + +/* + * Which of two mappings between quantiser_scale_code + * and quantiser_scale shall apply. + */ + +#define XVMC_Q_SCALE_TYPE 0x00000400 + +/* + * Intra VLC Format: Bit = 0, Bit = 1 + * Intra blocks B-14 B-15 + * Non-intra blocks B-14 B-14 + */ +#define XVMC_INTRA_VLC_FORMAT 0x00000800 + +/* + * Also XVMC_SECOND_FIELD should be set in flags if active. + */ + +#define XVMC_I_PICTURE 1 +#define XVMC_P_PICTURE 2 +#define XVMC_B_PICTURE 3 + +typedef struct _XvMCMpegControl{ + unsigned + BVMV_range, /* Backward vertical motion vector range */ + BHMV_range, /* Backward horizontal motion vector range */ + FVMV_range, /* Forward vertical motion vector range */ + FHMV_range, /* Forward horizontal motion vector range */ + picture_structure, /* XVMC_TOP_FIELD, XVMC_BOTTOM_FIELD, + * XVMC_FRAME_PICTURE + */ + intra_dc_precision, /* 0x00 - 0x03 corresponds to 8 to 11 bits prec. */ + picture_coding_type,/* XVMC_X_PICTURE */ + mpeg_coding, /* XVMC_MPEG_2 */ + flags; /* See above */ +}XvMCMpegControl; + + +/* + * The following function is called BEFORE starting sending slices to the + * lib. It grabs the decoder hardware and prepares it for coming slices. + * The function XvMCSyncSurface will release the hardware for other contexts + * in addition to it's current functionality. + */ + +extern Status XvMCBeginSurface(Display *display, + XvMCContext *context, + XvMCSurface *target_surface, + XvMCSurface *past_surface, + XvMCSurface *future_surface, + const XvMCMpegControl *control); + + +/* + * The quantizer matrix structure. This should be filled in by the user and + * uploaded whenever a change is needed. The lib initializes with + * default matrices and will automatically load the hardware with new matrices + * on decoder context switches. To load data, set the corresponding load flag + * to true and fill in the values. The VIA MPEG2 engine only uses the + * intra_quantiser_matrix and the non_intra_quantiser_matrix. + */ + +typedef struct _XvMCQMatrix { + int load_intra_quantiser_matrix; + int load_non_intra_quantiser_matrix; + int load_chroma_intra_quantiser_matrix; + int load_chroma_non_intra_quantiser_matrix; + unsigned char intra_quantiser_matrix[64]; + unsigned char non_intra_quantiser_matrix[64]; + unsigned char chroma_intra_quantiser_matrix[64]; + unsigned char chroma_non_intra_quantiser_matrix[64]; +} XvMCQMatrix; + +/* + * Upload a XvMCQMatrix structure to the clientlib. + * The hardware will start using it the next XvMCBeginSurface. + */ + +extern Status XvMCLoadQMatrix(Display *display, XvMCContext *context, + const XvMCQMatrix *qmx); + + +/* + * Put a slice to the decoder. The hardware will start processing it + * immediately. + */ + +extern Status XvMCPutSlice(Display *display,XvMCContext *context, + char *slice, int nBytes); +/* + * Put a slice without the slice start code to the decoder. + * The hardware will start processing it + * immediately. This function is for client optimization. + * XvMCPutSlice(display,context,slice,nBytes) is equivalent to + * XvMCPutSlice2(display,context,slice+4,nBytes-4,slice[3]); + */ + +extern Status XvMCPutSlice2(Display *display,XvMCContext *context, + char *slice, int nBytes, int sliceCode); + +#endif |