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/*
* Copyright © 2007 Intel Corporation
*
* 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 (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 NONINFRINGEMENT. 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.
*
* Authors:
* Zhenyu Wang <zhenyu.z.wang@intel.com>
*
*/
#ifndef INTEL_XVMC_H
#define INTEL_XVMC_H
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include <dirent.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
#include <xf86drm.h>
#include "i830_common.h"
#include "i830_hwmc.h"
#include <X11/X.h>
#include <X11/Xlibint.h>
#include <X11/Xutil.h>
#include <fourcc.h>
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvlib.h>
#include <X11/extensions/XvMC.h>
#include <X11/extensions/XvMClib.h>
#include <drm_sarea.h>
#include "xf86dri.h"
#include "driDrawable.h"
#include "intel_batchbuffer.h"
#define DEBUG 0
#define XVMC_ERR(s, arg...) \
do { \
fprintf(stderr, "[intel_xvmc] err: " s "\n", ##arg); \
} while (0)
#define XVMC_INFO(s, arg...) \
do { \
fprintf(stderr, "[intel_xvmc] info: " s "\n", ##arg); \
} while (0)
#define XVMC_DBG(s, arg...) \
do { \
if (DEBUG) \
fprintf(stderr, "[intel_xvmc] debug: " s "\n", ##arg); \
} while (0)
/* Subpicture fourcc */
#define FOURCC_IA44 0x34344149
/*
Definitions for temporary wire protocol hooks to be replaced
when a HW independent libXvMC is created.
*/
extern Status _xvmc_create_context(Display *dpy, XvMCContext *context,
int *priv_count, CARD32 **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);
typedef struct _intel_xvmc_context {
XID id; /* context id to X system */
drm_context_t hw_context; /* context id to kernel drm */
struct _intel_xvmc_context *next;
} intel_xvmc_context_t, *intel_xvmc_context_ptr;
typedef struct _intel_xvmc_drm_map {
drm_handle_t handle;
unsigned long offset;
unsigned long size;
unsigned long bus_addr;
drmAddress map;
} intel_xvmc_drm_map_t, *intel_xvmc_drm_map_ptr;
typedef struct _intel_xvmc_driver {
int type; /* hw xvmc type - i830_hwmc.h */
int screen; /* current screen num*/
int fd; /* drm file handler */
drm_handle_t hsarea; /* DRI open connect */
char busID[32];
unsigned int sarea_size;
drmAddress sarea_address;
struct {
unsigned int start_offset;
unsigned int size;
unsigned int space;
unsigned char *ptr;
} batch;
struct
{
void *ptr;
unsigned int size;
unsigned int offset;
unsigned int active_buf;
unsigned int irq_emitted;
} alloc;
intel_xvmc_drm_map_t batchbuffer;
unsigned int last_render;
sigset_t sa_mask;
pthread_mutex_t ctxmutex;
int lock; /* Lightweight lock to avoid locking twice */
int locked;
drmLock *driHwLock;
int num_ctx;
intel_xvmc_context_ptr ctx_list;
void *private;
/* XXX: remove? */
int (*init)(void);
void (*fini)(void);
/* driver specific xvmc callbacks */
Status (*create_context)(Display* display, XvMCContext *context,
int priv_count, CARD32 *priv_data);
Status (*destroy_context)(Display* display, XvMCContext *context);
Status (*create_surface)(Display* display, XvMCContext *context,
XvMCSurface *surface, int priv_count, CARD32 *priv_data);
Status (*destroy_surface)(Display* display, XvMCSurface *surface);
Status (*render_surface)(Display *display, XvMCContext *context,
unsigned int picture_structure,
XvMCSurface *target_surface,
XvMCSurface *past_surface,
XvMCSurface *future_surface,
unsigned int flags,
unsigned int num_macroblocks,
unsigned int first_macroblock,
XvMCMacroBlockArray *macroblock_array,
XvMCBlockArray *blocks);
/* XXX this should be same for all drivers */
Status (*put_surface)(Display *display, XvMCSurface *surface,
Drawable draw, short srcx, short srcy,
unsigned short srcw, unsigned short srch,
short destx, short desty,
unsigned short destw, unsigned short desth,
int flags);
Status (*get_surface_status)(Display *display, XvMCSurface *surface, int *stat);
/* XXX more for vld */
} intel_xvmc_driver_t, *intel_xvmc_driver_ptr;
extern struct _intel_xvmc_driver i915_xvmc_mc_driver;
extern struct _intel_xvmc_driver *xvmc_driver;
#define SET_BLOCKED_SIGSET() do { \
sigset_t bl_mask; \
sigfillset(&bl_mask); \
sigdelset(&bl_mask, SIGFPE); \
sigdelset(&bl_mask, SIGILL); \
sigdelset(&bl_mask, SIGSEGV); \
sigdelset(&bl_mask, SIGBUS); \
sigdelset(&bl_mask, SIGKILL); \
pthread_sigmask(SIG_SETMASK, &bl_mask, &xvmc_driver->sa_mask); \
} while (0)
#define RESTORE_BLOCKED_SIGSET() do { \
pthread_sigmask(SIG_SETMASK, &xvmc_driver->sa_mask, NULL); \
} while (0)
#define PPTHREAD_MUTEX_LOCK() do { \
SET_BLOCKED_SIGSET(); \
pthread_mutex_lock(&xvmc_driver->ctxmutex); \
} while (0)
#define PPTHREAD_MUTEX_UNLOCK() do { \
pthread_mutex_unlock(&xvmc_driver->ctxmutex); \
RESTORE_BLOCKED_SIGSET(); \
} while (0)
extern void LOCK_HARDWARE(drm_context_t);
extern void UNLOCK_HARDWARE(drm_context_t);
static inline const char* intel_xvmc_decoder_string(int flag)
{
switch (flag) {
case XVMC_I915_MPEG2_MC:
return "i915/945 MPEG2 MC decoder";
case XVMC_I965_MPEG2_MC:
return "i965 MPEG2 MC decoder";
case XVMC_I945_MPEG2_VLD:
return "i945 MPEG2 VLD decoder";
case XVMC_I965_MPEG2_VLD:
return "i965 MPEG2 VLD decoder";
default:
return "Unknown decoder";
}
}
extern intel_xvmc_context_ptr intel_xvmc_find_context(XID id);
#endif
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