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/*****************************************************************************
* VIA Unichrome XvMC extension client lib.
*
* Copyright (c) 2004 Thomas Hellström. 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.
*/
#ifndef _VIAXVMCPRIV_H
#define _VIAXVMCPRIV_H 1
#include <X11/Xlibint.h>
#include <X11/extensions/XvMC.h>
#include <X11/extensions/XvMClib.h>
#include <stdlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/vldXvMC.h>
#include "via_xvmc.h"
typedef struct{
int x;
int y;
int w;
int h;
} XvMCRegion;
extern Status _xvmc_create_context(Display *dpy, XvMCContext *context,
int *priv_count, uint **priv_data);
extern Status _xvmc_destroy_context(Display *dpy, XvMCContext *context);
extern Status _xvmc_create_surface(Display *dpy, XvMCContext *context,
XvMCSurface *surface, int *priv_count,
uint **priv_data);
extern Status _xvmc_destroy_surface(Display *dpy, XvMCSurface *surface);
extern Status _xvmc_create_subpicture(Display *dpy, XvMCContext *context,
XvMCSubpicture *subpicture,
int *priv_count, uint **priv_data);
extern Status _xvmc_destroy_subpicture(Display *dpy,
XvMCSubpicture *subpicture);
#define VIA_SUBPIC_PALETTE_SIZE 16 /*Number of colors in subpicture palette*/
#define VIA_CBUFFERSIZE 4096 /*Hardware command buffer size*/
#define VIA_MAX_BUFS 2 /*Number of YUV buffers per surface*/
#define VIA_MAX_RENDSURF 3 /*Maximum numbers of surfaces per context
that can answer RENDERING to a rendering
query*/
typedef enum{
context_drawHash,
context_lowLevel,
context_mutex,
context_sAreaMap,
context_fbMap,
context_mmioMap,
context_drmContext,
context_fd,
context_driConnection,
context_context,
context_none
} ContextRes;
typedef struct{
unsigned ctxNo; /* XvMC private context reference number */
pthread_mutex_t ctxMutex; /* Mutex for multi-threading. Not used */
drm_context_t drmcontext; /* The drm context */
drm_handle_t fbOffset; /* Handle to drm frame-buffer area */
drm_handle_t mmioOffset; /* Handle to drm mmio area */
drm_handle_t sAreaOffset; /* Handle to drm shared memory area */
unsigned fbSize; /* Size of drm frame-buffer area */
unsigned mmioSize; /* Size of drm mmio area */
unsigned sAreaSize; /* Size of drm shared memory area */
unsigned sAreaPrivOffset; /* Offset in sarea to private part */
drmAddress fbAddress; /* Virtual address of frame buffer area */
drmAddress mmioAddress; /* Virtual address of mmio area */
drmAddress sAreaAddress; /* Virtual address of shared memory area */
char busIdString[21]; /* Busid of video card */
unsigned yStride; /* Y stride of surfaces in this context */
int fd; /* FD for connection to drm module */
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];
unsigned rendSurf[VIA_MAX_RENDSURF]; /* Which surfaces answer rendering to
a rendering query */
int decoderOn; /* Decoder switched on ? */
int intraLoaded; /* Intra quantiser matrix loaded in
decoder? */
int nonIntraLoaded; /* Non-Intra quantiser matrix loaded
in decoder */
int chromaIntraLoaded;
int chromaNonIntraLoaded;
int haveDecoder; /* Does this context own decoder? */
int attribChanged; /* Attributes have changed and need to
be uploaded to Xv at next frame
display */
drmLockPtr hwLock; /* Virtual address Pointer to the
heavyweight drm hardware lock */
unsigned xvMCPort; /* XvMC private port. Corresponds to
an Xv port, but not by number */
ViaXvMCAttrHolder attrib; /* This contexts attributes and their
values */
XvAttribute attribDesc[VIA_NUM_XVMC_ATTRIBUTES]; /* Attribute decriptions */
int useAGP; /* Use the AGP ringbuffer to upload data to the chip */
void *xl; /* Lowlevel context. Opaque to us. */
int haveXv; /* Have I initialized the Xv
connection for this surface? */
XvImage *xvImage; /* Fake Xv Image used for command
buffer transport to the X server */
GC gc; /* X GC needed for displaying */
Drawable draw; /* Drawable to undisplay from */
XvPortID port; /* Xv Port ID when displaying */
int lastSrfDisplaying;
ContextRes resources;
CARD32 timeStamp;
CARD32 videoTimeStamp;
XID id;
unsigned screen;
unsigned depth;
unsigned stride;
XVisualInfo visualInfo;
void *drawHash;
CARD32 chipId;
XvMCRegion sRegion;
XvMCRegion dRegion;
}ViaXvMCContext;
typedef struct{
pthread_mutex_t subMutex; /* Currently not used. */
unsigned srfNo; /* XvMC private surface number */
unsigned offset; /* Offset into frame-buffer area */
unsigned stride; /* Storage stride */
unsigned width; /* Width */
unsigned height; /* Height */
CARD32 palette[VIA_SUBPIC_PALETTE_SIZE]; /* YUV Palette */
ViaXvMCContext *privContext; /* Pointer to context private data */
int ia44; /* IA44 or AI44 format */
int needsSync;
CARD32 timeStamp;
}ViaXvMCSubPicture;
typedef struct{
pthread_mutex_t srfMutex; /* For multithreading. Not used. */
pthread_cond_t bufferAvailable; /* For multithreading. Not used. */
unsigned srfNo; /* XvMC private surface numbers */
unsigned numBuffers; /* Number of picture buffers */
unsigned curBuf; /* Which is the current buffer? */
unsigned offsets[VIA_MAX_BUFS]; /* Offsets of picture buffers
into the frame-buffer area */
unsigned yStride; /* Stride of YUV420 Y component. */
unsigned width; /* Dimensions */
unsigned height;
int progressiveSequence; /* Mpeg progressive picture? Hmm? */
ViaXvMCContext *privContext; /* XvMC context private part. */
ViaXvMCSubPicture *privSubPic; /* Subpicture to be blended when
displaying. NULL if none. */
int needsSync;
int syncMode;
CARD32 timeStamp;
int topFieldFirst;
}ViaXvMCSurface;
/*
* Take and release the global drm hardware lock.
*/
#define HW_LOCK(ctx) \
DRM_LOCK((ctx)->fd,(ctx)->hwLock,(ctx)->drmcontext,0)
#define HW_UNLOCK(ctx) \
DRM_UNLOCK((ctx)->fd,(ctx->hwLock),(ctx)->drmcontext)
/*
* Low-level Mpeg functions in viaLowLevel.c
*/
#define VIABLIT_TRANSCOPY 0
#define VIABLIT_COPY 1
#define VIABLIT_FILL 2
#endif
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