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sync.h
资源名称:X264CODEC.rar [点击查看]
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上传日期:2022-06-04
资源大小:8887k
文件大小:13k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /* $Xorg: sync.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $ */
- /*
- Copyright 1991, 1993, 1994, 1998 The Open Group
- Permission to use, copy, modify, distribute, and sell this software and its
- documentation for any purpose is hereby granted without fee, provided that
- the above copyright notice appear in all copies and that both that
- copyright notice and this permission notice appear in supporting
- documentation.
- 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
- OPEN GROUP 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.
- Except as contained in this notice, the name of The Open Group shall not be
- used in advertising or otherwise to promote the sale, use or other dealings
- in this Software without prior written authorization from The Open Group.
- */
- /***********************************************************
- Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts,
- and Olivetti Research Limited, Cambridge, England.
- All Rights Reserved
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Digital or Olivetti
- not be used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
- DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
- USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- PERFORMANCE OF THIS SOFTWARE.
- ******************************************************************/
- /* $XFree86: xc/include/extensions/sync.h,v 1.4 2001/12/20 19:40:59 tsi Exp $ */
- #ifndef _SYNC_H_
- #define _SYNC_H_
- #include <X11/Xfuncproto.h>
- _XFUNCPROTOBEGIN
- #define SYNC_NAME "SYNC"
- #define SYNC_MAJOR_VERSION 3
- #define SYNC_MINOR_VERSION 0
- #define X_SyncInitialize 0
- #define X_SyncListSystemCounters 1
- #define X_SyncCreateCounter 2
- #define X_SyncSetCounter 3
- #define X_SyncChangeCounter 4
- #define X_SyncQueryCounter 5
- #define X_SyncDestroyCounter 6
- #define X_SyncAwait 7
- #define X_SyncCreateAlarm 8
- #define X_SyncChangeAlarm 9
- #define X_SyncQueryAlarm 10
- #define X_SyncDestroyAlarm 11
- #define X_SyncSetPriority 12
- #define X_SyncGetPriority 13
- #define XSyncCounterNotify 0
- #define XSyncAlarmNotify 1
- #define XSyncAlarmNotifyMask (1L << XSyncAlarmNotify)
- #define XSyncNumberEvents 2L
- #define XSyncBadCounter 0L
- #define XSyncBadAlarm 1L
- #define XSyncNumberErrors (XSyncBadAlarm + 1)
- /*
- * Flags for Alarm Attributes
- */
- #define XSyncCACounter (1L<<0)
- #define XSyncCAValueType (1L<<1)
- #define XSyncCAValue (1L<<2)
- #define XSyncCATestType (1L<<3)
- #define XSyncCADelta (1L<<4)
- #define XSyncCAEvents (1L<<5)
- /*
- * Constants for the value_type argument of various requests
- */
- typedef enum {
- XSyncAbsolute,
- XSyncRelative
- } XSyncValueType;
- /*
- * Alarm Test types
- */
- typedef enum {
- XSyncPositiveTransition,
- XSyncNegativeTransition,
- XSyncPositiveComparison,
- XSyncNegativeComparison
- } XSyncTestType;
- /*
- * Alarm state constants
- */
- typedef enum {
- XSyncAlarmActive,
- XSyncAlarmInactive,
- XSyncAlarmDestroyed
- } XSyncAlarmState;
- typedef XID XSyncCounter;
- typedef XID XSyncAlarm;
- typedef struct _XSyncValue {
- int hi;
- unsigned int lo;
- } XSyncValue;
- /*
- * Macros/functions for manipulating 64 bit values
- */
- /* have to put these prototypes before the corresponding macro definitions */
- extern void XSyncIntToValue(
- XSyncValue* /*pv*/,
- int /*i*/
- );
- extern void XSyncIntsToValue(
- XSyncValue* /*pv*/,
- unsigned int /*l*/,
- int /*h*/
- );
- extern Bool XSyncValueGreaterThan(
- XSyncValue /*a*/,
- XSyncValue /*b*/
- );
- extern Bool XSyncValueLessThan(
- XSyncValue /*a*/,
- XSyncValue /*b*/
- );
- extern Bool XSyncValueGreaterOrEqual(
- XSyncValue /*a*/,
- XSyncValue /*b*/
- );
- extern Bool XSyncValueLessOrEqual(
- XSyncValue /*a*/,
- XSyncValue /*b*/
- );
- extern Bool XSyncValueEqual(
- XSyncValue /*a*/,
- XSyncValue /*b*/
- );
- extern Bool XSyncValueIsNegative(
- XSyncValue /*v*/
- );
- extern Bool XSyncValueIsZero(
- XSyncValue /*a*/
- );
- extern Bool XSyncValueIsPositive(
- XSyncValue /*v*/
- );
- extern unsigned int XSyncValueLow32(
- XSyncValue /*v*/
- );
- extern int XSyncValueHigh32(
- XSyncValue /*v*/
- );
- extern void XSyncValueAdd(
- XSyncValue* /*presult*/,
- XSyncValue /*a*/,
- XSyncValue /*b*/,
- int* /*poverflow*/
- );
- extern void XSyncValueSubtract(
- XSyncValue* /*presult*/,
- XSyncValue /*a*/,
- XSyncValue /*b*/,
- int* /*poverflow*/
- );
- extern void XSyncMaxValue(
- XSyncValue* /*pv*/
- );
- extern void XSyncMinValue(
- XSyncValue* /*pv*/
- );
- _XFUNCPROTOEND
- /* The _XSync macros below are for library internal use only. They exist
- * so that if we have to make a fix, we can change it in this one place
- * and have both the macro and function variants inherit the fix.
- */
- #define _XSyncIntToValue(pv, i) ((pv)->hi=((i<0)?~0:0),(pv)->lo=(i))
- #define _XSyncIntsToValue(pv, l, h) ((pv)->lo = (l), (pv)->hi = (h))
- #define _XSyncValueGreaterThan(a, b)
- ((a).hi>(b).hi || ((a).hi==(b).hi && (a).lo>(b).lo))
- #define _XSyncValueLessThan(a, b)
- ((a).hi<(b).hi || ((a).hi==(b).hi && (a).lo<(b).lo))
- #define _XSyncValueGreaterOrEqual(a, b)
- ((a).hi>(b).hi || ((a).hi==(b).hi && (a).lo>=(b).lo))
- #define _XSyncValueLessOrEqual(a, b)
- ((a).hi<(b).hi || ((a).hi==(b).hi && (a).lo<=(b).lo))
- #define _XSyncValueEqual(a, b) ((a).lo==(b).lo && (a).hi==(b).hi)
- #define _XSyncValueIsNegative(v) (((v).hi & 0x80000000) ? 1 : 0)
- #define _XSyncValueIsZero(a) ((a).lo==0 && (a).hi==0)
- #define _XSyncValueIsPositive(v) (((v).hi & 0x80000000) ? 0 : 1)
- #define _XSyncValueLow32(v) ((v).lo)
- #define _XSyncValueHigh32(v) ((v).hi)
- #define _XSyncValueAdd(presult,a,b,poverflow) {
- int t = (a).lo;
- Bool signa = XSyncValueIsNegative(a);
- Bool signb = XSyncValueIsNegative(b);
- ((presult)->lo = (a).lo + (b).lo);
- ((presult)->hi = (a).hi + (b).hi);
- if (t>(presult)->lo) (presult)->hi++;
- *poverflow = ((signa == signb) && !(signa == XSyncValueIsNegative(*presult)));
- }
- #define _XSyncValueSubtract(presult,a,b,poverflow) {
- int t = (a).lo;
- Bool signa = XSyncValueIsNegative(a);
- Bool signb = XSyncValueIsNegative(b);
- ((presult)->lo = (a).lo - (b).lo);
- ((presult)->hi = (a).hi - (b).hi);
- if (t>(presult)->lo) (presult)->hi--;
- *poverflow = ((signa == signb) && !(signa == XSyncValueIsNegative(*presult)));
- }
- #define _XSyncMaxValue(pv) ((pv)->hi = 0x7fffffff, (pv)->lo = 0xffffffff)
- #define _XSyncMinValue(pv) ((pv)->hi = 0x80000000, (pv)->lo = 0)
- /*
- * These are the publically usable macros. If you want the function version
- * of one of these, just #undef the macro to uncover the function.
- * (This is the same convention that the ANSI C library uses.)
- */
- #define XSyncIntToValue(pv, i) _XSyncIntToValue(pv, i)
- #define XSyncIntsToValue(pv, l, h) _XSyncIntsToValue(pv, l, h)
- #define XSyncValueGreaterThan(a, b) _XSyncValueGreaterThan(a, b)
- #define XSyncValueLessThan(a, b) _XSyncValueLessThan(a, b)
- #define XSyncValueGreaterOrEqual(a, b) _XSyncValueGreaterOrEqual(a, b)
- #define XSyncValueLessOrEqual(a, b) _XSyncValueLessOrEqual(a, b)
- #define XSyncValueEqual(a, b) _XSyncValueEqual(a, b)
- #define XSyncValueIsNegative(v) _XSyncValueIsNegative(v)
- #define XSyncValueIsZero(a) _XSyncValueIsZero(a)
- #define XSyncValueIsPositive(v) _XSyncValueIsPositive(v)
- #define XSyncValueLow32(v) _XSyncValueLow32(v)
- #define XSyncValueHigh32(v) _XSyncValueHigh32(v)
- #define XSyncValueAdd(presult,a,b,poverflow) _XSyncValueAdd(presult,a,b,poverflow)
- #define XSyncValueSubtract(presult,a,b,poverflow) _XSyncValueSubtract(presult,a,b,poverflow)
- #define XSyncMaxValue(pv) _XSyncMaxValue(pv)
- #define XSyncMinValue(pv) _XSyncMinValue(pv)
- #ifndef _SYNC_SERVER
- typedef struct _XSyncSystemCounter {
- char *name; /* null-terminated name of system counter */
- XSyncCounter counter; /* counter id of this system counter */
- XSyncValue resolution; /* resolution of this system counter */
- } XSyncSystemCounter;
- typedef struct {
- XSyncCounter counter; /* counter to trigger on */
- XSyncValueType value_type; /* absolute/relative */
- XSyncValue wait_value; /* value to compare counter to */
- XSyncTestType test_type; /* pos/neg comparison/transtion */
- } XSyncTrigger;
- typedef struct {
- XSyncTrigger trigger; /* trigger for await */
- XSyncValue event_threshold; /* send event if past threshold */
- } XSyncWaitCondition;
- typedef struct {
- XSyncTrigger trigger;
- XSyncValue delta;
- Bool events;
- XSyncAlarmState state;
- } XSyncAlarmAttributes;
- /*
- * Events
- */
- typedef struct {
- int type; /* event base + XSyncCounterNotify */
- unsigned long serial; /* # of last request processed by server */
- Bool send_event; /* true if this came from a SendEvent request */
- Display *display; /* Display the event was read from */
- XSyncCounter counter; /* counter involved in await */
- XSyncValue wait_value; /* value being waited for */
- XSyncValue counter_value; /* counter value when this event was sent */
- Time time; /* milliseconds */
- int count; /* how many more events to come */
- Bool destroyed; /* True if counter was destroyed */
- } XSyncCounterNotifyEvent;
- typedef struct {
- int type; /* event base + XSyncCounterNotify */
- unsigned long serial; /* # of last request processed by server */
- Bool send_event; /* true if this came from a SendEvent request */
- Display *display; /* Display the event was read from */
- XSyncAlarm alarm; /* alarm that triggered */
- XSyncValue counter_value; /* value that triggered the alarm */
- XSyncValue alarm_value; /* test value of trigger in alarm */
- Time time; /* milliseconds */
- XSyncAlarmState state; /* new state of alarm */
- } XSyncAlarmNotifyEvent;
- /*
- * Errors
- */
- typedef struct {
- int type;
- Display *display; /* Display the event was read from */
- XSyncAlarm alarm; /* resource id */
- unsigned long serial; /* serial number of failed request */
- unsigned char error_code; /* error base + XSyncBadAlarm */
- unsigned char request_code; /* Major op-code of failed request */
- unsigned char minor_code; /* Minor op-code of failed request */
- } XSyncAlarmError;
- typedef struct {
- int type;
- Display *display; /* Display the event was read from */
- XSyncCounter counter; /* resource id */
- unsigned long serial; /* serial number of failed request */
- unsigned char error_code; /* error base + XSyncBadCounter */
- unsigned char request_code; /* Major op-code of failed request */
- unsigned char minor_code; /* Minor op-code of failed request */
- } XSyncCounterError;
- /*
- * Prototypes
- */
- _XFUNCPROTOBEGIN
- extern Status XSyncQueryExtension(
- Display* /*dpy*/,
- int* /*event_base_return*/,
- int* /*error_base_return*/
- );
- extern Status XSyncInitialize(
- Display* /*dpy*/,
- int* /*major_version_return*/,
- int* /*minor_version_return*/
- );
- extern XSyncSystemCounter *XSyncListSystemCounters(
- Display* /*dpy*/,
- int* /*n_counters_return*/
- );
- extern void XSyncFreeSystemCounterList(
- XSyncSystemCounter* /*list*/
- );
- extern XSyncCounter XSyncCreateCounter(
- Display* /*dpy*/,
- XSyncValue /*initial_value*/
- );
- extern Status XSyncSetCounter(
- Display* /*dpy*/,
- XSyncCounter /*counter*/,
- XSyncValue /*value*/
- );
- extern Status XSyncChangeCounter(
- Display* /*dpy*/,
- XSyncCounter /*counter*/,
- XSyncValue /*value*/
- );
- extern Status XSyncDestroyCounter(
- Display* /*dpy*/,
- XSyncCounter /*counter*/
- );
- extern Status XSyncQueryCounter(
- Display* /*dpy*/,
- XSyncCounter /*counter*/,
- XSyncValue* /*value_return*/
- );
- extern Status XSyncAwait(
- Display* /*dpy*/,
- XSyncWaitCondition* /*wait_list*/,
- int /*n_conditions*/
- );
- extern XSyncAlarm XSyncCreateAlarm(
- Display* /*dpy*/,
- unsigned long /*values_mask*/,
- XSyncAlarmAttributes* /*values*/
- );
- extern Status XSyncDestroyAlarm(
- Display* /*dpy*/,
- XSyncAlarm /*alarm*/
- );
- extern Status XSyncQueryAlarm(
- Display* /*dpy*/,
- XSyncAlarm /*alarm*/,
- XSyncAlarmAttributes* /*values_return*/
- );
- extern Status XSyncChangeAlarm(
- Display* /*dpy*/,
- XSyncAlarm /*alarm*/,
- unsigned long /*values_mask*/,
- XSyncAlarmAttributes* /*values*/
- );
- extern Status XSyncSetPriority(
- Display* /*dpy*/,
- XID /*client_resource_id*/,
- int /*priority*/
- );
- extern Status XSyncGetPriority(
- Display* /*dpy*/,
- XID /*client_resource_id*/,
- int* /*return_priority*/
- );
- #endif /* _SYNC_SERVER */
- _XFUNCPROTOEND
- #endif /* _SYNC_H_ */