aboutsummaryrefslogtreecommitdiff
path: root/midifmt-plugin
diff options
context:
space:
mode:
Diffstat (limited to 'midifmt-plugin')
-rw-r--r--midifmt-plugin/midifmtplugin.cpp183
-rw-r--r--midifmt-plugin/midifmtplugin.hpp64
2 files changed, 138 insertions, 109 deletions
diff --git a/midifmt-plugin/midifmtplugin.cpp b/midifmt-plugin/midifmtplugin.cpp
index 62a9af1..39d6d4f 100644
--- a/midifmt-plugin/midifmtplugin.cpp
+++ b/midifmt-plugin/midifmtplugin.cpp
@@ -2,115 +2,140 @@
#include <algorithm>
#include <stdexcept>
#include "midifmtplugin.hpp"
-qmpPluginAPI* qmpMidiFmtPlugin::api=nullptr;
+qmpPluginAPI *qmpMidiFmtPlugin::api = nullptr;
uint32_t CMidiStreamReader::readDWLE()
{
- uint32_t ret=0;
- for(uint32_t i=0;i<4;++i)ret|=((uint32_t)fgetc(f))<<(i<<3);
- return ret;
+ uint32_t ret = 0;
+ for (uint32_t i = 0; i < 4; ++i)
+ ret |= ((uint32_t)fgetc(f)) << (i << 3);
+ return ret;
}
bool CMidiStreamReader::RIFFHeaderReader()
{
- char hdr[9];
- fread(hdr,1,4,f);
- if(strncmp(hdr,"RIFF",4))return false;
- fseek(f,4,SEEK_CUR);
- fread(hdr,1,8,f);
- if(strncmp(hdr,"MIDSfmt ",8))return false;
- if(readDWLE()!=0x0C)return false;
- ret->divs=readDWLE();
- readDWLE();
- fmt=readDWLE();
- return true;
+ char hdr[9];
+ fread(hdr, 1, 4, f);
+ if (strncmp(hdr, "RIFF", 4))
+ return false;
+ fseek(f, 4, SEEK_CUR);
+ fread(hdr, 1, 8, f);
+ if (strncmp(hdr, "MIDSfmt ", 8))
+ return false;
+ if (readDWLE() != 0x0C)
+ return false;
+ ret->divs = readDWLE();
+ readDWLE();
+ fmt = readDWLE();
+ return true;
}
bool CMidiStreamReader::midsBodyReader()
{
- char buf[9];
- fread(buf,1,4,f);
- if(strncmp(buf,"data",4))return false;
- readDWLE();//size
- uint32_t cblocks=readDWLE();
- uint32_t curid=0,cts=0;
- for(uint32_t i=0;i<cblocks;++i)
- {
- readDWLE();
- uint32_t blocksz=readDWLE(),cpos=ftell(f);
- while(ftell(f)-cpos<blocksz)
- {
- cts+=readDWLE();
- if(!(fmt&1))readDWLE();
- uint32_t e=readDWLE();
- SEvent ev;
- if(e>>24==1)//set tempo
- {
- char s[3]={'\0'};
- for(int i=0;i<3;++i)
- s[i]=(e>>(8*(2-i)))&0xff;
- ev=SEvent(curid,cts,0xFF,0x51,0);
- ev.str=std::string(s,3);
- }
- else if(e>>24==0)//midishortmsg
- ev=SEvent(curid,cts,e&0xFF,(e>>8)&0xFF,(e>>16)&0xFF);
- else return false;
- ret->tracks.back().appendEvent(ev);eventdiscarded=0;
- qmpMidiFmtPlugin::api->callEventReaderCB(ev);
- if(eventdiscarded)ret->tracks.back().eventList.pop_back();
- ++curid;
- }
- }
- return true;
+ char buf[9];
+ fread(buf, 1, 4, f);
+ if (strncmp(buf, "data", 4))
+ return false;
+ readDWLE();//size
+ uint32_t cblocks = readDWLE();
+ uint32_t curid = 0, cts = 0;
+ for (uint32_t i = 0; i < cblocks; ++i)
+ {
+ readDWLE();
+ uint32_t blocksz = readDWLE(), cpos = ftell(f);
+ while (ftell(f) - cpos < blocksz)
+ {
+ cts += readDWLE();
+ if (!(fmt & 1))readDWLE();
+ uint32_t e = readDWLE();
+ SEvent ev;
+ if (e >> 24 == 1) //set tempo
+ {
+ char s[3] = {'\0'};
+ for (int i = 0; i < 3; ++i)
+ s[i] = (e >> (8 * (2 - i))) & 0xff;
+ ev = SEvent(curid, cts, 0xFF, 0x51, 0);
+ ev.str = std::string(s, 3);
+ }
+ else if (e >> 24 == 0) //midishortmsg
+ ev = SEvent(curid, cts, e & 0xFF, (e >> 8) & 0xFF, (e >> 16) & 0xFF);
+ else return false;
+ ret->tracks.back().appendEvent(ev);
+ eventdiscarded = 0;
+ qmpMidiFmtPlugin::api->callEventReaderCB(ev);
+ if (eventdiscarded)
+ ret->tracks.back().eventList.pop_back();
+ ++curid;
+ }
+ }
+ return true;
}
-CMidiFile* CMidiStreamReader::readFile(const char *fn)
+CMidiFile *CMidiStreamReader::readFile(const char *fn)
{
- ret=new CMidiFile;
- ret->title=ret->copyright=nullptr;ret->std=0;ret->valid=1;
- ret->tracks.push_back(CMidiTrack());
- try
- {
- if(!(f=fopen(fn,"rb")))throw std::runtime_error("File doesn't exist");
- if(!RIFFHeaderReader())throw std::runtime_error("Wrong RIFF header");
- if(!midsBodyReader())throw std::runtime_error("MIDS data error");
- }catch(std::runtime_error& e)
- {
- fprintf(stderr,"CMidiStreamReader E: %s is not a supported file. Cause: %s.\n",fn,e.what());
- ret->valid=0;if(f)fclose(f);f=nullptr;
- }
- return ret;
+ ret = new CMidiFile;
+ ret->title = ret->copyright = nullptr;
+ ret->std = 0;
+ ret->valid = 1;
+ ret->tracks.push_back(CMidiTrack());
+ try
+ {
+ if (!(f = fopen(fn, "rb")))
+ throw std::runtime_error("File doesn't exist");
+ if (!RIFFHeaderReader())
+ throw std::runtime_error("Wrong RIFF header");
+ if (!midsBodyReader())
+ throw std::runtime_error("MIDS data error");
+ }
+ catch (std::runtime_error &e)
+ {
+ fprintf(stderr, "CMidiStreamReader E: %s is not a supported file. Cause: %s.\n", fn, e.what());
+ ret->valid = 0;
+ if (f)
+ fclose(f);
+ f = nullptr;
+ }
+ return ret;
}
void CMidiStreamReader::discardCurrentEvent()
{
- eventdiscarded=1;
+ eventdiscarded = 1;
}
void CMidiStreamReader::commitEventChange(SEvent d)
{
- ret->tracks.back().eventList.back().time=d.time;
- ret->tracks.back().eventList.back().type=d.type;
- ret->tracks.back().eventList.back().p1=d.p1;
- ret->tracks.back().eventList.back().p2=d.p2;
+ ret->tracks.back().eventList.back().time = d.time;
+ ret->tracks.back().eventList.back().type = d.type;
+ ret->tracks.back().eventList.back().p1 = d.p1;
+ ret->tracks.back().eventList.back().p2 = d.p2;
}
CMidiStreamReader::CMidiStreamReader()
{
- ret=nullptr;f=nullptr;
+ ret = nullptr;
+ f = nullptr;
}
CMidiStreamReader::~CMidiStreamReader()
{
}
qmpMidiFmtPlugin::qmpMidiFmtPlugin(qmpPluginAPI *_api)
-{api=_api;}
+{
+ api = _api;
+}
qmpMidiFmtPlugin::~qmpMidiFmtPlugin()
-{api=nullptr;}
+{
+ api = nullptr;
+}
void qmpMidiFmtPlugin::init()
{
- api->registerFileReader(mdsreader=new CMidiStreamReader,"MIDS reader");
+ api->registerFileReader(mdsreader = new CMidiStreamReader, "MIDS reader");
}
void qmpMidiFmtPlugin::deinit()
{
- api->unregisterFileReader("MIDS reader");
- delete mdsreader;
+ api->unregisterFileReader("MIDS reader");
+ delete mdsreader;
+}
+const char *qmpMidiFmtPlugin::pluginGetName()
+{
+ return "QMidiPlayer extra midi formats plugin";
+}
+const char *qmpMidiFmtPlugin::pluginGetVersion()
+{
+ return PLUGIN_VERSION;
}
-const char* qmpMidiFmtPlugin::pluginGetName()
-{return "QMidiPlayer extra midi formats plugin";}
-const char* qmpMidiFmtPlugin::pluginGetVersion()
-{return PLUGIN_VERSION;}
diff --git a/midifmt-plugin/midifmtplugin.hpp b/midifmt-plugin/midifmtplugin.hpp
index 038a2a7..b4eeddb 100644
--- a/midifmt-plugin/midifmtplugin.hpp
+++ b/midifmt-plugin/midifmtplugin.hpp
@@ -4,42 +4,46 @@
#include <cstdio>
#include "../include/qmpcorepublic.hpp"
-class CMidiStreamReader:public qmpFileReader
+class CMidiStreamReader: public qmpFileReader
{
- private:
- CMidiFile* ret;
- FILE* f;
- int eventdiscarded,fmt;
- uint32_t readDWLE();
- bool RIFFHeaderReader();
- bool midsBodyReader();
- public:
- CMidiStreamReader();
- ~CMidiStreamReader();
- CMidiFile* readFile(const char *fn);
- void discardCurrentEvent();
- void commitEventChange(SEvent d);
+private:
+ CMidiFile *ret;
+ FILE *f;
+ int eventdiscarded, fmt;
+ uint32_t readDWLE();
+ bool RIFFHeaderReader();
+ bool midsBodyReader();
+public:
+ CMidiStreamReader();
+ ~CMidiStreamReader();
+ CMidiFile *readFile(const char *fn);
+ void discardCurrentEvent();
+ void commitEventChange(SEvent d);
};
-class qmpMidiFmtPlugin:public qmpPluginIntf
+class qmpMidiFmtPlugin: public qmpPluginIntf
{
- private:
- CMidiStreamReader* mdsreader;
- public:
- static qmpPluginAPI* api;
- qmpMidiFmtPlugin(qmpPluginAPI* _api);
- ~qmpMidiFmtPlugin();
- void init();
- void deinit();
- const char* pluginGetName();
- const char* pluginGetVersion();
+private:
+ CMidiStreamReader *mdsreader;
+public:
+ static qmpPluginAPI *api;
+ qmpMidiFmtPlugin(qmpPluginAPI *_api);
+ ~qmpMidiFmtPlugin();
+ void init();
+ void deinit();
+ const char *pluginGetName();
+ const char *pluginGetVersion();
};
-extern "C"{
- EXPORTSYM qmpPluginIntf* qmpPluginGetInterface(qmpPluginAPI* api)
- {return new qmpMidiFmtPlugin(api);}
- EXPORTSYM const char* qmpPluginGetAPIRev()
- {return QMP_PLUGIN_API_REV;}
+extern "C" {
+ EXPORTSYM qmpPluginIntf *qmpPluginGetInterface(qmpPluginAPI *api)
+ {
+ return new qmpMidiFmtPlugin(api);
+ }
+ EXPORTSYM const char *qmpPluginGetAPIRev()
+ {
+ return QMP_PLUGIN_API_REV;
+ }
}
#endif // MIDIFMTPLUGIN_HPP
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 06:37:31 +0000