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Expand input buffer as needed, instead of hardcoding it at 40 MiB.

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Patch (mostly) by Ilari.
This commit is contained in:
rog
2012-11-25 22:41:48 -05:00
parent 1917f83244
commit 0903e20817
1 changed files with 30 additions and 10 deletions
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40
Source/Core/Core/Src/Movie.cpp
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@ -37,8 +37,8 @@
#include "../../Common/Src/NandPaths.h" #include "../../Common/Src/NandPaths.h"
#include "Crypto/md5.h" #include "Crypto/md5.h"
// large enough for just over 24 hours of single-player recording // The chunk to allocate movie data in multiples of.
#define MAX_DTM_LENGTH (40 * 1024 * 1024) #define DTM_BASE_LENGTH (1024)
std::mutex cs_frameSkip; std::mutex cs_frameSkip;
@ -56,6 +56,7 @@ u8 g_numPads = 0;
ControllerState g_padState; ControllerState g_padState;
DTMHeader tmpHeader; DTMHeader tmpHeader;
u8* tmpInput = NULL; u8* tmpInput = NULL;
size_t tmpInputAllocated = 0;
u64 g_currentByte = 0, g_totalBytes = 0; u64 g_currentByte = 0, g_totalBytes = 0;
u64 g_currentFrame = 0, g_totalFrames = 0; // VI u64 g_currentFrame = 0, g_totalFrames = 0; // VI
u64 g_currentLagCount = 0, g_totalLagCount = 0; // just stats u64 g_currentLagCount = 0, g_totalLagCount = 0; // just stats
@ -81,6 +82,25 @@ std::string g_InputDisplay[8];
ManipFunction mfunc = NULL; ManipFunction mfunc = NULL;
void EnsureTmpInputSize(size_t bound)
{
if (tmpInputAllocated >= bound)
return;
// The buffer expands in powers of two of DTM_BASE_LENGTH
// (standard exponential buffer growth).
size_t newAlloc = DTM_BASE_LENGTH;
while (newAlloc < bound)
newAlloc *= 2;
u8* newTmpInput = new u8[newAlloc];
tmpInputAllocated = newAlloc;
if (tmpInput != NULL)
{
if (g_totalBytes > 0)
memcpy(newTmpInput, tmpInput, g_totalBytes);
delete[] tmpInput;
}
tmpInput = newTmpInput;
}
std::string GetInputDisplay() std::string GetInputDisplay()
{ {
@ -401,8 +421,8 @@ bool BeginRecordingInput(int controllers)
g_playMode = MODE_RECORDING; g_playMode = MODE_RECORDING;
GetSettings(); GetSettings();
author = SConfig::GetInstance().m_strMovieAuthor; author = SConfig::GetInstance().m_strMovieAuthor;
delete [] tmpInput; EnsureTmpInputSize(1);
tmpInput = new u8[MAX_DTM_LENGTH];
g_currentByte = g_totalBytes = 0; g_currentByte = g_totalBytes = 0;
Core::DisplayMessage("Starting movie recording", 2000); Core::DisplayMessage("Starting movie recording", 2000);
@ -582,7 +602,7 @@ void RecordInput(SPADStatus *PadStatus, int controllerID)
g_padState.CStickX = PadStatus->substickX; g_padState.CStickX = PadStatus->substickX;
g_padState.CStickY = PadStatus->substickY; g_padState.CStickY = PadStatus->substickY;
EnsureTmpInputSize(g_currentByte + 8);
memcpy(&(tmpInput[g_currentByte]), &g_padState, 8); memcpy(&(tmpInput[g_currentByte]), &g_padState, 8);
g_currentByte += 8; g_currentByte += 8;
g_totalBytes = g_currentByte; g_totalBytes = g_currentByte;
@ -606,6 +626,7 @@ void RecordWiimote(int wiimote, u8 *data, const WiimoteEmu::ReportFeatures& rptf
u8 size = rptf.size; u8 size = rptf.size;
InputUpdate(); InputUpdate();
EnsureTmpInputSize(g_currentByte + size + 1);
tmpInput[g_currentByte++] = size; tmpInput[g_currentByte++] = size;
memcpy(&(tmpInput[g_currentByte]), data, size); memcpy(&(tmpInput[g_currentByte]), data, size);
g_currentByte += size; g_currentByte += size;
@ -699,8 +720,7 @@ bool PlayInput(const char *filename)
g_playMode = MODE_PLAYING; g_playMode = MODE_PLAYING;
g_totalBytes = g_recordfd.GetSize() - 256; g_totalBytes = g_recordfd.GetSize() - 256;
delete tmpInput; EnsureTmpInputSize((size_t)g_totalBytes);
tmpInput = new u8[MAX_DTM_LENGTH];
g_recordfd.ReadArray(tmpInput, (size_t)g_totalBytes); g_recordfd.ReadArray(tmpInput, (size_t)g_totalBytes);
g_currentByte = 0; g_currentByte = 0;
g_recordfd.Close(); g_recordfd.Close();
@ -767,9 +787,8 @@ void LoadInput(const char *filename)
g_totalLagCount = tmpHeader.lagCount; g_totalLagCount = tmpHeader.lagCount;
g_totalInputCount = tmpHeader.inputCount; g_totalInputCount = tmpHeader.inputCount;
EnsureTmpInputSize((size_t)totalSavedBytes);
g_totalBytes = totalSavedBytes; g_totalBytes = totalSavedBytes;
delete [] tmpInput;
tmpInput = new u8[MAX_DTM_LENGTH];
t_record.ReadArray(tmpInput, (size_t)g_totalBytes); t_record.ReadArray(tmpInput, (size_t)g_totalBytes);
} }
else if (g_currentByte > 0) else if (g_currentByte > 0)
@ -1178,5 +1197,6 @@ void Shutdown()
g_currentInputCount = g_totalInputCount = g_totalFrames = g_totalBytes = 0; g_currentInputCount = g_totalInputCount = g_totalFrames = g_totalBytes = 0;
delete [] tmpInput; delete [] tmpInput;
tmpInput = NULL; tmpInput = NULL;
tmpInputAllocated = 0;
} }
}; };