Initial WebM releasev0.9.0

1 files changed, 89 insertions, 0 deletions

diff --git a/vp8/common/threading.h b/vp8/common/threading.h
new file mode 100644
index 000000000..a02cb244b
--- /dev/null
+++ b/vp8/common/threading.h
@@ -0,0 +1,89 @@
+/*
+ *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license and patent
+ *  grant that can be found in the LICENSE file in the root of the source
+ *  tree. All contributing project authors may be found in the AUTHORS
+ *  file in the root of the source tree.
+ */
+
+
+#ifndef _PTHREAD_EMULATION
+#define _PTHREAD_EMULATION
+
+#define VPXINFINITE 10000       //10second.
+
+/* Thread management macros */
+#ifdef _WIN32
+/* Win32 */
+#define _WIN32_WINNT 0x500 /* WINBASE.H - Enable signal_object_and_wait */
+#include <process.h>
+#include <windows.h>
+#define THREAD_FUNCTION DWORD WINAPI
+#define THREAD_FUNCTION_RETURN DWORD
+#define THREAD_SPECIFIC_INDEX DWORD
+#define pthread_t HANDLE
+#define pthread_attr_t DWORD
+#define pthread_create(thhandle,attr,thfunc,tharg) (int)((*thhandle=(HANDLE)_beginthreadex(NULL,0,(unsigned int (__stdcall *)(void *))thfunc,tharg,0,NULL))==NULL)
+#define pthread_join(thread, result) ((WaitForSingleObject((thread),VPXINFINITE)!=WAIT_OBJECT_0) || !CloseHandle(thread))
+#define pthread_detach(thread) if(thread!=NULL)CloseHandle(thread)
+#define thread_sleep(nms) Sleep(nms)
+#define pthread_cancel(thread) terminate_thread(thread,0)
+#define ts_key_create(ts_key, destructor) {ts_key = TlsAlloc();};
+#define pthread_getspecific(ts_key) TlsGetValue(ts_key)
+#define pthread_setspecific(ts_key, value) TlsSetValue(ts_key, (void *)value)
+#define pthread_self() GetCurrentThreadId()
+#else
+#ifdef __APPLE__
+#include <mach/semaphore.h>
+#include <mach/task.h>
+#include <time.h>
+#include <unistd.h>
+
+#else
+#include <semaphore.h>
+#endif
+
+#include <pthread.h>
+/* pthreads */
+/* Nearly everything is already defined */
+#define THREAD_FUNCTION void *
+#define THREAD_FUNCTION_RETURN void *
+#define THREAD_SPECIFIC_INDEX pthread_key_t
+#define ts_key_create(ts_key, destructor) pthread_key_create (&(ts_key), destructor);
+#endif
+
+/* Syncrhronization macros: Win32 and Pthreads */
+#ifdef _WIN32
+#define sem_t HANDLE
+#define pause(voidpara) __asm PAUSE
+#define sem_init(sem, sem_attr1, sem_init_value) (int)((*sem = CreateEvent(NULL,FALSE,FALSE,NULL))==NULL)
+#define sem_wait(sem) (int)(WAIT_OBJECT_0 != WaitForSingleObject(*sem,VPXINFINITE))
+#define sem_post(sem) SetEvent(*sem)
+#define sem_destroy(sem) if(*sem)((int)(CloseHandle(*sem))==TRUE)
+#define thread_sleep(nms) Sleep(nms)
+
+#else
+
+#ifdef __APPLE__
+#define sem_t semaphore_t
+#define sem_init(X,Y,Z) semaphore_create(mach_task_self(), X, SYNC_POLICY_FIFO, Z)
+#define sem_wait(sem) (semaphore_wait(*sem) )
+#define sem_post(sem) semaphore_signal(*sem)
+#define sem_destroy(sem) semaphore_destroy(mach_task_self(),*sem)
+#define thread_sleep(nms) // { struct timespec ts;ts.tv_sec=0; ts.tv_nsec = 1000*nms;nanosleep(&ts, NULL);}
+#else
+#include <unistd.h>
+#define thread_sleep(nms) usleep(nms*1000);// {struct timespec ts;ts.tv_sec=0; ts.tv_nsec = 1000*nms;nanosleep(&ts, NULL);}
+#endif
+/* Not Windows. Assume pthreads */
+
+#endif
+
+#if ARCH_X86 || ARCH_X86_64
+#include "vpx_ports/x86.h"
+#else
+#define x86_pause_hint()
+#endif
+
+#endif