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0fd9123eac
This patch was generated by a script. Here's the source of the script for
future reference:
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t
convert PRIntn int
convert PRUintn unsigned
convert PRSize size_t
convert PROffset32 int32_t
convert PROffset64 int64_t
convert PRPtrdiff ptrdiff_t
convert PRFloat64 double
130 lines
4.1 KiB
C++
130 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef VideoUtils_h
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#define VideoUtils_h
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#include "mozilla/ReentrantMonitor.h"
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#include "mozilla/CheckedInt.h"
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#include "nsRect.h"
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#include "nsIThreadManager.h"
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#include "nsThreadUtils.h"
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using mozilla::CheckedInt64;
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using mozilla::CheckedUint64;
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using mozilla::CheckedInt32;
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using mozilla::CheckedUint32;
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// This file contains stuff we'd rather put elsewhere, but which is
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// dependent on other changes which we don't want to wait for. We plan to
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// remove this file in the near future.
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// This belongs in xpcom/monitor/Monitor.h, once we've made
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// mozilla::Monitor non-reentrant.
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namespace mozilla {
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/**
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* ReentrantMonitorAutoExit
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* Exit the ReentrantMonitor when it enters scope, and enters it when it leaves
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* scope.
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*
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* MUCH PREFERRED to bare calls to ReentrantMonitor.Exit and Enter.
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*/
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class NS_STACK_CLASS ReentrantMonitorAutoExit
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{
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public:
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/**
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* Constructor
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* The constructor releases the given lock. The destructor
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* acquires the lock. The lock must be held before constructing
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* this object!
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*
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* @param aReentrantMonitor A valid mozilla::ReentrantMonitor*. It
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* must be already locked.
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**/
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ReentrantMonitorAutoExit(ReentrantMonitor& aReentrantMonitor) :
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mReentrantMonitor(&aReentrantMonitor)
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{
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NS_ASSERTION(mReentrantMonitor, "null monitor");
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mReentrantMonitor->AssertCurrentThreadIn();
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mReentrantMonitor->Exit();
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}
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~ReentrantMonitorAutoExit(void)
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{
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mReentrantMonitor->Enter();
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}
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private:
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ReentrantMonitorAutoExit();
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ReentrantMonitorAutoExit(const ReentrantMonitorAutoExit&);
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ReentrantMonitorAutoExit& operator =(const ReentrantMonitorAutoExit&);
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static void* operator new(size_t) CPP_THROW_NEW;
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static void operator delete(void*);
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ReentrantMonitor* mReentrantMonitor;
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};
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// Shuts down a thread asynchronously.
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class ShutdownThreadEvent : public nsRunnable
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{
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public:
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ShutdownThreadEvent(nsIThread* aThread) : mThread(aThread) {}
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~ShutdownThreadEvent() {}
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NS_IMETHOD Run() {
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mThread->Shutdown();
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mThread = nullptr;
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return NS_OK;
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}
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private:
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nsCOMPtr<nsIThread> mThread;
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};
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} // namespace mozilla
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// Converts from number of audio frames (aFrames) to microseconds, given
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// the specified audio rate (aRate). Stores result in aOutUsecs. Returns true
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// if the operation succeeded, or false if there was an integer overflow
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// while calulating the conversion.
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CheckedInt64 FramesToUsecs(int64_t aFrames, uint32_t aRate);
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// Converts from microseconds (aUsecs) to number of audio frames, given the
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// specified audio rate (aRate). Stores the result in aOutFrames. Returns
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// true if the operation succeeded, or false if there was an integer
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// overflow while calulating the conversion.
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CheckedInt64 UsecsToFrames(int64_t aUsecs, uint32_t aRate);
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// Number of microseconds per second. 1e6.
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static const int64_t USECS_PER_S = 1000000;
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// Number of microseconds per millisecond.
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static const int64_t USECS_PER_MS = 1000;
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// The maximum height and width of the video. Used for
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// sanitizing the memory allocation of the RGB buffer.
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// The maximum resolution we anticipate encountering in the
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// wild is 2160p - 3840x2160 pixels.
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static const int32_t MAX_VIDEO_WIDTH = 4000;
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static const int32_t MAX_VIDEO_HEIGHT = 3000;
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// Scales the display rect aDisplay by aspect ratio aAspectRatio.
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// Note that aDisplay must be validated by nsVideoInfo::ValidateVideoRegion()
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// before being used!
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void ScaleDisplayByAspectRatio(nsIntSize& aDisplay, float aAspectRatio);
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// The amount of virtual memory reserved for thread stacks.
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#if (defined(XP_WIN) || defined(XP_MACOSX) || defined(LINUX)) && \
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!defined(MOZ_ASAN)
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#define MEDIA_THREAD_STACK_SIZE (128 * 1024)
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#else
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// All other platforms use their system defaults.
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#define MEDIA_THREAD_STACK_SIZE nsIThreadManager::DEFAULT_STACK_SIZE
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#endif
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#endif
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