1f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Copyright 2013 Google Inc. All Rights Reserved. 2f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// 3f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Use of this source code is governed by a BSD-style license 4f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// that can be found in the COPYING file in the root of the source 5f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// tree. An additional intellectual property rights grant can be found 6f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// in the file PATENTS. All contributing project authors may 7f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// be found in the AUTHORS file in the root of the source tree. 8f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// ----------------------------------------------------------------------------- 9f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// 10f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Multi-threaded worker 11f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// 12f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Original source: 13f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// http://git.chromium.org/webm/libwebp.git 14f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// 100644 blob 13a61a4c84194c3374080cbf03d881d3cd6af40d src/utils/thread.h 15f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 16f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 17f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#ifndef VP9_DECODER_VP9_THREAD_H_ 18f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#define VP9_DECODER_VP9_THREAD_H_ 19f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 205ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "./vpx_config.h" 21f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 22b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#ifdef __cplusplus 23f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangextern "C" { 24f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#endif 25f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 26f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#if CONFIG_MULTITHREAD 27f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 28f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#if defined(_WIN32) 29b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#include <errno.h> // NOLINT 30b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#include <process.h> // NOLINT 315ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include <windows.h> // NOLINT 32f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangtypedef HANDLE pthread_t; 33f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangtypedef CRITICAL_SECTION pthread_mutex_t; 34f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangtypedef struct { 35f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang HANDLE waiting_sem_; 36f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang HANDLE received_sem_; 37f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang HANDLE signal_event_; 38f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang} pthread_cond_t; 39f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 40b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian//------------------------------------------------------------------------------ 41b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian// simplistic pthread emulation layer 42b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 43b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian// _beginthreadex requires __stdcall 44b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#define THREADFN unsigned int __stdcall 45b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#define THREAD_RETURN(val) (unsigned int)((DWORD_PTR)val) 46b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 47b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_create(pthread_t* const thread, const void* attr, 48b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian unsigned int (__stdcall *start)(void*), 49b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian void* arg) { 50b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian (void)attr; 51b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian *thread = (pthread_t)_beginthreadex(NULL, /* void *security */ 52b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 0, /* unsigned stack_size */ 53b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian start, 54b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian arg, 55b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 0, /* unsigned initflag */ 56b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian NULL); /* unsigned *thrdaddr */ 57b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (*thread == NULL) return 1; 58b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian SetThreadPriority(*thread, THREAD_PRIORITY_ABOVE_NORMAL); 59b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 0; 60b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 61b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 62b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_join(pthread_t thread, void** value_ptr) { 63b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian (void)value_ptr; 64b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0 || 65b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian CloseHandle(thread) == 0); 66b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 67b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 68b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian// Mutex 69b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_mutex_init(pthread_mutex_t *const mutex, 70b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian void* mutexattr) { 71b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian (void)mutexattr; 72b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian InitializeCriticalSection(mutex); 73b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 0; 74b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 75b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 76b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_mutex_trylock(pthread_mutex_t *const mutex) { 77b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return TryEnterCriticalSection(mutex) ? 0 : EBUSY; 78b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 79b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 80b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_mutex_lock(pthread_mutex_t *const mutex) { 81b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian EnterCriticalSection(mutex); 82b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 0; 83b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 84b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 85b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_mutex_unlock(pthread_mutex_t *const mutex) { 86b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian LeaveCriticalSection(mutex); 87b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 0; 88b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 89b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 90b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_mutex_destroy(pthread_mutex_t *const mutex) { 91b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian DeleteCriticalSection(mutex); 92b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 0; 93b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 94b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 95b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian// Condition 96b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_cond_destroy(pthread_cond_t *const condition) { 97b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int ok = 1; 98b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok &= (CloseHandle(condition->waiting_sem_) != 0); 99b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok &= (CloseHandle(condition->received_sem_) != 0); 100b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok &= (CloseHandle(condition->signal_event_) != 0); 101b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return !ok; 102b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 103b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 104b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_cond_init(pthread_cond_t *const condition, 105b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian void* cond_attr) { 106b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian (void)cond_attr; 107b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian condition->waiting_sem_ = CreateSemaphore(NULL, 0, 1, NULL); 108b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian condition->received_sem_ = CreateSemaphore(NULL, 0, 1, NULL); 109b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian condition->signal_event_ = CreateEvent(NULL, FALSE, FALSE, NULL); 110b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (condition->waiting_sem_ == NULL || 111b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian condition->received_sem_ == NULL || 112b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian condition->signal_event_ == NULL) { 113b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian pthread_cond_destroy(condition); 114b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 1; 115b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 116b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 0; 117b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 118b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 119b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_cond_signal(pthread_cond_t *const condition) { 120b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int ok = 1; 121b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (WaitForSingleObject(condition->waiting_sem_, 0) == WAIT_OBJECT_0) { 122b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // a thread is waiting in pthread_cond_wait: allow it to be notified 123b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok = SetEvent(condition->signal_event_); 124b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // wait until the event is consumed so the signaler cannot consume 125b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // the event via its own pthread_cond_wait. 126b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok &= (WaitForSingleObject(condition->received_sem_, INFINITE) != 127b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian WAIT_OBJECT_0); 128b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian } 129b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return !ok; 130b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 131b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 132b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic INLINE int pthread_cond_wait(pthread_cond_t *const condition, 133b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian pthread_mutex_t *const mutex) { 134b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int ok; 135b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // note that there is a consumer available so the signal isn't dropped in 136b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // pthread_cond_signal 137b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (!ReleaseSemaphore(condition->waiting_sem_, 1, NULL)) 138b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return 1; 139b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian // now unlock the mutex so pthread_cond_signal may be issued 140b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian pthread_mutex_unlock(mutex); 141b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok = (WaitForSingleObject(condition->signal_event_, INFINITE) == 142b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian WAIT_OBJECT_0); 143b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ok &= ReleaseSemaphore(condition->received_sem_, 1, NULL); 144b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian pthread_mutex_lock(mutex); 145b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return !ok; 146b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian} 147b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#else // _WIN32 1485ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include <pthread.h> // NOLINT 149b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian# define THREADFN void* 150b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian# define THREAD_RETURN(val) val 151b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#endif 152f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 153b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#endif // CONFIG_MULTITHREAD 154f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 155f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// State of the worker thread object 156f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangtypedef enum { 157f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang NOT_OK = 0, // object is unusable 158f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang OK, // ready to work 159f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang WORK // busy finishing the current task 160f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang} VP9WorkerStatus; 161f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 162f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Function to be called by the worker thread. Takes two opaque pointers as 163f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// arguments (data1 and data2), and should return false in case of error. 164f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangtypedef int (*VP9WorkerHook)(void*, void*); 165f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 166f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Synchronize object used to launch job in the worker thread 167f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangtypedef struct { 168f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#if CONFIG_MULTITHREAD 169f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang pthread_mutex_t mutex_; 170f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang pthread_cond_t condition_; 171f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang pthread_t thread_; 172f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#endif 173f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang VP9WorkerStatus status_; 174f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang VP9WorkerHook hook; // hook to call 175f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang void* data1; // first argument passed to 'hook' 176f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang void* data2; // second argument passed to 'hook' 177f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang int had_error; // return value of the last call to 'hook' 178f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang} VP9Worker; 179f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 180f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Must be called first, before any other method. 181f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangvoid vp9_worker_init(VP9Worker* const worker); 182f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Must be called to initialize the object and spawn the thread. Re-entrant. 183f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Will potentially launch the thread. Returns false in case of error. 184f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangint vp9_worker_reset(VP9Worker* const worker); 185f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Makes sure the previous work is finished. Returns true if worker->had_error 186f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// was not set and no error condition was triggered by the working thread. 187f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangint vp9_worker_sync(VP9Worker* const worker); 188f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Triggers the thread to call hook() with data1 and data2 argument. These 189f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// hook/data1/data2 can be changed at any time before calling this function, 190f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// but not be changed afterward until the next call to vp9_worker_sync(). 191f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangvoid vp9_worker_launch(VP9Worker* const worker); 1925ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang// This function is similar to vp9_worker_launch() except that it calls the 1935ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang// hook directly instead of using a thread. Convenient to bypass the thread 1945ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang// mechanism while still using the VP9Worker structs. vp9_worker_sync() must 1955ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang// still be called afterward (for error reporting). 1965ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuangvoid vp9_worker_execute(VP9Worker* const worker); 197f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// Kill the thread and terminate the object. To use the object again, one 198f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang// must call vp9_worker_reset() again. 199f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangvoid vp9_worker_end(VP9Worker* const worker); 200f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 201f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang//------------------------------------------------------------------------------ 202f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 203b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian#ifdef __cplusplus 204f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang} // extern "C" 205f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang#endif 206f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 2075ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#endif // VP9_DECODER_VP9_THREAD_H_ 208