db1e70157c
Minor change in implementation of audio spectrum power scaling Originally committed to SVN as r559.
136 lines
4.3 KiB
C++
136 lines
4.3 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// AEGISUB
|
|
//
|
|
// Website: http://aegisub.cellosoft.com
|
|
// Contact: mailto:zeratul@cellosoft.com
|
|
//
|
|
|
|
|
|
////////////
|
|
// Includes
|
|
#include "avisynth_wrap.h"
|
|
|
|
#ifdef __WINDOWS__
|
|
#include "options.h"
|
|
|
|
#ifdef DEBUG_AVISYNTH_CODE
|
|
#include "main.h"
|
|
#include "wx/textfile.h"
|
|
wxTextFile avs_trace_file;
|
|
void DoAvsTrace(const wxString &s)
|
|
{
|
|
if (!avs_trace_file.IsOpened()) {
|
|
if (!avs_trace_file.Open(AegisubApp::folderName + _T("avstrace.txt"))) {
|
|
avs_trace_file.Create(AegisubApp::folderName + _T("avstrace.txt"));
|
|
}
|
|
avs_trace_file.AddLine(_T(""));
|
|
avs_trace_file.AddLine(_T("======= NEW SESSION ======="));
|
|
}
|
|
avs_trace_file.AddLine(s);
|
|
avs_trace_file.Write();
|
|
}
|
|
#endif
|
|
|
|
|
|
///////////////////////////////
|
|
// Static field initialization
|
|
int AviSynthWrapper::avs_refcount = 0;
|
|
HINSTANCE AviSynthWrapper::hLib = NULL;
|
|
IScriptEnvironment *AviSynthWrapper::env = NULL;
|
|
wxMutex AviSynthWrapper::AviSynthMutex;
|
|
|
|
|
|
////////////////////////
|
|
// AviSynth constructor
|
|
AviSynthWrapper::AviSynthWrapper() {
|
|
if (!avs_refcount) {
|
|
AVSTRACE(_T("Avisynth not loaded, trying to load it now..."));
|
|
hLib=LoadLibrary(_T("avisynth.dll"));
|
|
|
|
if (hLib == NULL) {
|
|
AVSTRACE(_T("Avisynth loading failed"));
|
|
throw wxString(_T("Could not load avisynth.dll"));
|
|
}
|
|
AVSTRACE(_T("Avisynth loading successful"));
|
|
|
|
FUNC *CreateScriptEnv = (FUNC*)GetProcAddress(hLib, "CreateScriptEnvironment");
|
|
|
|
if (CreateScriptEnv == NULL) {
|
|
AVSTRACE(_T("Failed to get address of CreateScriptEnv"));
|
|
throw wxString(_T("Failed to get function from avisynth.dll"));
|
|
}
|
|
AVSTRACE(_T("Got address of CreateScriptEnv"));
|
|
|
|
// Require Avisynth 2.5.6+?
|
|
if (Options.AsBool(_T("Allow Ancient Avisynth")))
|
|
env = CreateScriptEnv(AVISYNTH_INTERFACE_VERSION-1);
|
|
else
|
|
env = CreateScriptEnv(AVISYNTH_INTERFACE_VERSION);
|
|
|
|
if (env == NULL) {
|
|
AVSTRACE(_T("Failed to create script environment"));
|
|
throw wxString(_T("Failed to create a new avisynth script environment. Avisynth is too old?"));
|
|
}
|
|
AVSTRACE(_T("Created script environment"));
|
|
// Set memory limit
|
|
int memoryMax = Options.AsInt(_T("Avisynth MemoryMax"));
|
|
if (memoryMax != 0) {
|
|
env->SetMemoryMax(memoryMax);
|
|
AVSTRACE(_T("Set Avisynth memory limit"));
|
|
}
|
|
}
|
|
|
|
avs_refcount++;
|
|
AVSTRACE(_T("Increased reference count"));
|
|
}
|
|
|
|
|
|
///////////////////////
|
|
// AviSynth destructor
|
|
AviSynthWrapper::~AviSynthWrapper() {
|
|
AVSTRACE(_T("Decreasing reference count"));
|
|
if (!--avs_refcount) {
|
|
AVSTRACE(_T("Reference count reached zero, deleting environment"));
|
|
delete env;
|
|
AVSTRACE(_T("Environment deleted"));
|
|
FreeLibrary(hLib);
|
|
AVSTRACE(_T("Free'd library, unloading complete"));
|
|
}
|
|
}
|
|
|
|
|
|
///////////////////
|
|
// Get environment
|
|
IScriptEnvironment *AviSynthWrapper::GetEnv() {
|
|
return env;
|
|
}
|
|
|
|
#endif
|