From a7407edaf81c685d4a389785a405a53a5de4b148 Mon Sep 17 00:00:00 2001 From: Chris Xiong Date: Tue, 12 May 2020 00:58:40 +0800 Subject: Format EVERYTHING. Hopefully this will make the source code less horrendous and actually readable. The command used was: ``` astyle --suffix=none --style=allman --attach-extern-c --attach-closing-while --indent-switches --indent-after-parens --pad-oper --pad-header --unpad-paren --align-pointer=name --recursive './*.cpp,*.hpp' ``` --- core/qmpmidiread.cpp | 552 +++++++++++++++++++++++++++++---------------------- 1 file changed, 315 insertions(+), 237 deletions(-) (limited to 'core/qmpmidiread.cpp') diff --git a/core/qmpmidiread.cpp b/core/qmpmidiread.cpp index c7d11f2..b3d4efe 100644 --- a/core/qmpmidiread.cpp +++ b/core/qmpmidiread.cpp @@ -7,248 +7,315 @@ #include #include #include +#include #include "qmpmidiplay.hpp" -static const char* GM1SysX="\xF0\x7E\x7F\x09\x01\xF7"; -static const char* GM2SysX="\xF0\x7E\x7F\x09\x03\xF7"; -static const char* GSSysEx="\xF0\x41\x10\x42\x12\x40\x00\x7F\x00\x41\xF7"; -static const char* XGSysEx="\xF0\x43\x10\x4C\x00\x00\x7E\x00\xF7"; +static const char *GM1SysX = "\xF0\x7E\x7F\x09\x01\xF7"; +static const char *GM2SysX = "\xF0\x7E\x7F\x09\x03\xF7"; +static const char *GSSysEx = "\xF0\x41\x10\x42\x12\x40\x00\x7F\x00\x41\xF7"; +static const char *XGSysEx = "\xF0\x43\x10\x4C\x00\x00\x7E\x00\xF7"; #define assert(x) if(!(x))this->error(false,"assertion failure @ qmpmidiread.cpp:%d",__LINE__) -void CSMFReader::error(int fatal,const char* format,...) +void CSMFReader::error(int fatal, const char *format, ...) { - va_list ap;char buf[1024],bufr[1024]; - va_start(ap,format);vsnprintf(buf,1024,format,ap);va_end(ap); - snprintf(bufr,1024,"%s at %#lx",buf,ftell(f)); - if(fatal)throw std::runtime_error(bufr); - else fprintf(stderr,"CSMFReader W: %s.\n",bufr); + va_list ap; + char buf[1024], bufr[1024]; + va_start(ap, format); + vsnprintf(buf, 1024, format, ap); + va_end(ap); + snprintf(bufr, 1024, "%s at %#lx", buf, ftell(f)); + if (fatal) + throw std::runtime_error(bufr); + else fprintf(stderr, "CSMFReader W: %s.\n", bufr); } uint8_t CSMFReader::read_u8() { - uint8_t ret=0; - int t=fgetc(f); - if(!~t)error(1,"Unexpected EOF"); - ret=(uint8_t)t; - return ret; + uint8_t ret = 0; + int t = fgetc(f); + if (!~t) + error(1, "Unexpected EOF"); + ret = (uint8_t)t; + return ret; } uint16_t CSMFReader::read_u16() { - uint16_t ret=0; - size_t sz=fread(&ret,2,1,f); - if(sz<1)error(1,"Unexpected EOF"); + uint16_t ret = 0; + size_t sz = fread(&ret, 2, 1, f); + if (sz < 1) + error(1, "Unexpected EOF"); #if defined(_MSC_VER)&&defined(_WIN32) - ret=_byteswap_ushort(ret); + ret = _byteswap_ushort(ret); #elif __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ - ret=__builtin_bswap16(ret); + ret = __builtin_bswap16(ret); #endif - return ret; + return ret; } uint32_t CSMFReader::read_u32() { - uint32_t ret=0; - size_t sz=fread(&ret,4,1,f); - if(sz<1)error(1,"Unexpected EOF"); + uint32_t ret = 0; + size_t sz = fread(&ret, 4, 1, f); + if (sz < 1) + error(1, "Unexpected EOF"); #if defined(_MSC_VER)&&defined(_WIN32) - ret=_byteswap_ulong(ret); + ret = _byteswap_ulong(ret); #elif __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ - ret=__builtin_bswap32(ret); + ret = __builtin_bswap32(ret); #endif - return ret; + return ret; } uint32_t CSMFReader::read_varlen() { - uint32_t ret=0,c=0; - int t; - do - { - t=fgetc(f); - if(!~t)error(1,"Unexpected EOF"); - if(++c>4)error(1,"Variable length type overflow"); - ret<<=7;ret|=(t&0x7F); - }while(t&0x80); - return ret; + uint32_t ret = 0, c = 0; + int t; + do + { + t = fgetc(f); + if (!~t) + error(1, "Unexpected EOF"); + if (++c > 4) + error(1, "Variable length type overflow"); + ret <<= 7; + ret |= (t & 0x7F); + } while (t & 0x80); + return ret; } int CSMFReader::read_event()//returns 0 if End of Track encountered { - uint32_t delta=read_varlen();curt+=delta; - uint8_t type=read_u8();uint32_t p1,p2; - static uint8_t lasttype;eventdiscarded=false; - if(!(type&0x80)){fseek(f,-1,SEEK_CUR);type=lasttype;} - switch(type&0xF0) - { - case 0x80://Note Off - case 0x90://Note On - case 0xA0://Note Aftertouch - case 0xB0://Controller Change - case 0xE0://Pitch wheel - p1=read_u8();p2=read_u8(); - curTrack->appendEvent(SEvent(curid,curt,type,p1,p2)); - break; - case 0xC0://Patch Change - case 0xD0://Channel Aftertouch - p1=read_u8(); - curTrack->appendEvent(SEvent(curid,curt,type,p1,0)); - break; - case 0xF0: - if((type&0x0F)==0x0F)//Meta Event - { - uint8_t metatype=read_u8(); - uint32_t len=read_varlen();char* str=nullptr; - if(len<=1024&&len>0)str=new char[len+8]; - if(str)fread(str,1,len,f);else fseek(f,len,SEEK_CUR); - std::string sstr; - if(str){str[len]='\0';sstr=std::string(str,len);} - switch(metatype) - { - case 0x00://Sequence Number - assert(len==2||len==0); - break; - case 0x20://Channel Prefix - assert(len==1); - break; - case 0x2F://End of Track - assert(len==0); - return 0; - case 0x51://Set Tempo - assert(len==3); - curTrack->appendEvent(SEvent(curid,curt,type,metatype,0,sstr)); - break; - case 0x54://SMTPE offset, not handled. - assert(len==5); - break; - case 0x58://Time signature - assert(len==4); - curTrack->appendEvent(SEvent(curid,curt,type,metatype,0,sstr)); - break; - case 0x59://Key signature - assert(len==2); - curTrack->appendEvent(SEvent(curid,curt,type,metatype,0,sstr)); - break; - case 0x01:case 0x02:case 0x03: - case 0x04:case 0x05:case 0x06: - case 0x07:case 0x7F:default://text-like meta - { - curTrack->appendEvent(SEvent(curid,curt,type,metatype,0,sstr)); - if(str&&metatype==0x03&&!ret->title) - { - ret->title=new char[len+8]; - strcpy(ret->title,str); - } - if(str&&metatype==0x02&&!ret->copyright) - { - ret->copyright=new char[len+8]; - strcpy(ret->copyright,str); - } - } - } - if(str)delete[] str; - } - else if((type&0x0F)==0x00||(type&0x0F)==0x07)//SysEx - { - uint32_t len=read_varlen();char* str=nullptr; - str=new char[len+8]; - if((type&0x0F)==0x00) - { - str[0]=char(0xF0);++len; - size_t sz=fread(str+1,1,len-1,f); - if(szappendEvent(SEvent(curid,curt,type,0,0,std::string(str,len))); - if(!strcmp(str,GM1SysX))ret->std=1; - if(!strcmp(str,GM2SysX))ret->std=2; - if(!strcmp(str,GSSysEx))ret->std=3; - if(!strcmp(str,XGSysEx))ret->std=4; - delete[] str; - } - else error(0,"Unknown event type %#x",type); - break; - default: - error(0,"Unknown event type %#x",type); - } - lasttype=type;++curid; - if(curTrack->eventList.size()) - { - SEvent& le=curTrack->eventList.back(); - CMidiPlayer::getInstance()->callEventReaderCB(le); - } - return 1; + uint32_t delta = read_varlen(); + curt += delta; + uint8_t type = read_u8(); + uint32_t p1, p2; + static uint8_t lasttype; + eventdiscarded = false; + if (!(type & 0x80)) + { + fseek(f, -1, SEEK_CUR); + type = lasttype; + } + switch (type & 0xF0) + { + case 0x80://Note Off + case 0x90://Note On + case 0xA0://Note Aftertouch + case 0xB0://Controller Change + case 0xE0://Pitch wheel + p1 = read_u8(); + p2 = read_u8(); + curTrack->appendEvent(SEvent(curid, curt, type, p1, p2)); + break; + case 0xC0://Patch Change + case 0xD0://Channel Aftertouch + p1 = read_u8(); + curTrack->appendEvent(SEvent(curid, curt, type, p1, 0)); + break; + case 0xF0: + if ((type & 0x0F) == 0x0F) //Meta Event + { + uint8_t metatype = read_u8(); + uint32_t len = read_varlen(); + char *str = nullptr; + if (len <= 1024 && len > 0) + str = new char[len + 8]; + if (str) + fread(str, 1, len, f); + else + fseek(f, len, SEEK_CUR); + std::string sstr; + if (str) + { + str[len] = '\0'; + sstr = std::string(str, len); + } + switch (metatype) + { + case 0x00://Sequence Number + assert(len == 2 || len == 0); + break; + case 0x20://Channel Prefix + assert(len == 1); + break; + case 0x2F://End of Track + assert(len == 0); + return 0; + case 0x51://Set Tempo + assert(len == 3); + curTrack->appendEvent(SEvent(curid, curt, type, metatype, 0, sstr)); + break; + case 0x54://SMTPE offset, not handled. + assert(len == 5); + break; + case 0x58://Time signature + assert(len == 4); + curTrack->appendEvent(SEvent(curid, curt, type, metatype, 0, sstr)); + break; + case 0x59://Key signature + assert(len == 2); + curTrack->appendEvent(SEvent(curid, curt, type, metatype, 0, sstr)); + break; + case 0x01: + case 0x02: + case 0x03: + case 0x04: + case 0x05: + case 0x06: + case 0x07: + case 0x7F: + default://text-like meta + { + curTrack->appendEvent(SEvent(curid, curt, type, metatype, 0, sstr)); + if (str && metatype == 0x03 && !ret->title) + { + ret->title = new char[len + 8]; + strcpy(ret->title, str); + } + if (str && metatype == 0x02 && !ret->copyright) + { + ret->copyright = new char[len + 8]; + strcpy(ret->copyright, str); + } + } + } + if (str) + delete[] str; + } + else if ((type & 0x0F) == 0x00 || (type & 0x0F) == 0x07) //SysEx + { + uint32_t len = read_varlen(); + char *str = nullptr; + str = new char[len + 8]; + if ((type & 0x0F) == 0x00) + { + str[0] = char(0xF0); + ++len; + size_t sz = fread(str + 1, 1, len - 1, f); + if (sz < len - 1) + error(1, "Unexpected EOF"); + } + else + { + size_t sz = fread(str, 1, len, f); + if (sz < len) + error(1, "Unexpected EOF"); + } + curTrack->appendEvent(SEvent(curid, curt, type, 0, 0, std::string(str, len))); + if (!strcmp(str, GM1SysX)) + ret->std = 1; + if (!strcmp(str, GM2SysX)) + ret->std = 2; + if (!strcmp(str, GSSysEx)) + ret->std = 3; + if (!strcmp(str, XGSysEx)) + ret->std = 4; + delete[] str; + } + else + error(0, "Unknown event type %#x", type); + break; + default: + error(0, "Unknown event type %#x", type); + } + lasttype = type; + ++curid; + if (curTrack->eventList.size()) + { + SEvent &le = curTrack->eventList.back(); + CMidiPlayer::getInstance()->callEventReaderCB(le); + } + return 1; } void CSMFReader::read_track() { - ret->tracks.push_back(CMidiTrack()); - curTrack=&ret->tracks.back(); - uint32_t chnklen=read_u32();byteread=ftell(f);curt=0;curid=0; - while(read_event()); - byteread=ftell(f)-byteread; - if(bytereadchnklen) - error(1,"Read past end of track"); + ret->tracks.push_back(CMidiTrack()); + curTrack = &ret->tracks.back(); + uint32_t chnklen = read_u32(); + byteread = ftell(f); + curt = 0; + curid = 0; + while (read_event()); + byteread = ftell(f) - byteread; + if (byteread < chnklen) + { + error(0, "Extra bytes after EOT event"); + for (; byteread < chnklen; ++byteread) + fgetc(f); + } + if (byteread > chnklen) + error(1, "Read past end of track"); } void CSMFReader::read_header() { - uint32_t chnklen=read_u32();byteread=ftell(f); - if(chnklen<6)error(1,"Header chunk too short"); - if(chnklen>6)error(0,"Header chunk length longer than expected. Ignoring extra bytes"); - fmt=read_u16();trk=read_u16();ret->divs=read_u16(); - if(ret->divs&0x8000)error(1,"SMTPE format is not supported"); - for(byteread=ftell(f)-byteread;byteread 6) + error(0, "Header chunk length longer than expected. Ignoring extra bytes"); + fmt = read_u16(); + trk = read_u16(); + ret->divs = read_u16(); + if (ret->divs & 0x8000) + error(1, "SMTPE format is not supported"); + for (byteread = ftell(f) - byteread; byteread < chnklen; ++byteread) + fgetc(f); } uint32_t CSMFReader::read_chunk(int is_header) { - char hdr[6]; - fread(hdr,1,4,f); - if(feof(f))error(1,"Unexpected EOF"); - if(is_header) - { - if(!strncmp(hdr,"RIFF",4)) - { - fseek(f,4,SEEK_CUR); - fread(hdr,1,4,f); - if(strncmp(hdr,"RMID",4)){error(1,"Wrong file type in RIFF container");} - fseek(f,8,SEEK_CUR); - fread(hdr,1,4,f); - } - if(strncmp(hdr,"MThd",4)){error(1,"Wrong MIDI header.");} - else return read_header(),0; - } - else - if(strncmp(hdr,"MTrk",4)) - { - error(0,"Wrong track chunk header. Ignoring the entire chunk."); - uint32_t chnklen=read_u32();fseek(f,chnklen,SEEK_CUR);return 0; - } - else return read_track(),1; - return 0; + char hdr[6]; + fread(hdr, 1, 4, f); + if (feof(f)) + error(1, "Unexpected EOF"); + if (is_header) + { + if (!strncmp(hdr, "RIFF", 4)) + { + fseek(f, 4, SEEK_CUR); + fread(hdr, 1, 4, f); + if (strncmp(hdr, "RMID", 4)) + error(1, "Wrong file type in RIFF container"); + fseek(f, 8, SEEK_CUR); + fread(hdr, 1, 4, f); + } + if (strncmp(hdr, "MThd", 4)) + error(1, "Wrong MIDI header."); + else return read_header(), 0; + } + else if (strncmp(hdr, "MTrk", 4)) + { + error(0, "Wrong track chunk header. Ignoring the entire chunk."); + uint32_t chnklen = read_u32(); + fseek(f, chnklen, SEEK_CUR); + return 0; + } + else + return read_track(), 1; + return 0; } CSMFReader::CSMFReader() { - f=nullptr; + f = nullptr; } -CMidiFile* CSMFReader::readFile(const char* fn) +CMidiFile *CSMFReader::readFile(const char *fn) { - ret=new CMidiFile; - ret->title=ret->copyright=nullptr;ret->std=0;ret->valid=1; - try - { - if(!(f=fopen(fn,"rb"))) - throw std::runtime_error("Can't open file"); - read_chunk(1); - for(uint32_t i=0;ivalid=0;if(f)fclose(f);f=nullptr; - } - return ret; + ret = new CMidiFile; + ret->title = ret->copyright = nullptr; + ret->std = 0; + ret->valid = 1; + try + { + if (!(f = fopen(fn, "rb"))) + throw std::runtime_error("Can't open file"); + read_chunk(1); + for (uint32_t i = 0; i < trk; i += read_chunk(0)); + fclose(f); + f = nullptr; + } + catch (std::runtime_error &e) + { + fprintf(stderr, "CSMFReader E: %s is not a supported file. Cause: %s.\n", fn, e.what()); + ret->valid = 0; + if (f) + fclose(f); + f = nullptr; + } + return ret; } CSMFReader::~CSMFReader() { @@ -256,54 +323,65 @@ CSMFReader::~CSMFReader() void CSMFReader::discardCurrentEvent() { - if(eventdiscarded)return;eventdiscarded=true; - curTrack->eventList.pop_back(); + if (eventdiscarded) + return; + eventdiscarded = true; + curTrack->eventList.pop_back(); } void CSMFReader::commitEventChange(SEvent d) { - curTrack->eventList.back().time=d.time; - curTrack->eventList.back().type=d.type; - curTrack->eventList.back().p1=d.p1; - curTrack->eventList.back().p2=d.p2; + curTrack->eventList.back().time = d.time; + curTrack->eventList.back().type = d.type; + curTrack->eventList.back().p1 = d.p1; + curTrack->eventList.back().p2 = d.p2; } CMidiFileReaderCollection::CMidiFileReaderCollection() { - readers.clear();currentReader=nullptr; - registerReader(new CSMFReader(),"Default SMF Reader"); + readers.clear(); + currentReader = nullptr; + registerReader(new CSMFReader(), "Default SMF Reader"); } CMidiFileReaderCollection::~CMidiFileReaderCollection() { - delete readers[0].first; + delete readers[0].first; } -void CMidiFileReaderCollection::registerReader(qmpFileReader* reader,std::string name) +void CMidiFileReaderCollection::registerReader(qmpFileReader *reader, std::string name) { - for(unsigned i=0;isecond==name) - { - readers.erase(i); - return; - } + for (auto i = readers.begin(); i != readers.end(); ++i) + if (i->second == name) + { + readers.erase(i); + return; + } } -CMidiFile* CMidiFileReaderCollection::readFile(const char* fn) +CMidiFile *CMidiFileReaderCollection::readFile(const char *fn) { - CMidiFile *file=nullptr; - for(unsigned i=0;inotes=0; - CMidiFile* t=readers[i].first->readFile(fn); - if(t->valid){file=t;break;} - else delete t; - } - currentReader=nullptr; - return file; + CMidiFile *file = nullptr; + for (unsigned i = 0; i < readers.size(); ++i) + { + currentReader = readers[i].first; + CMidiPlayer::getInstance()->notes = 0; + CMidiFile *t = readers[i].first->readFile(fn); + if (t->valid) + { + file = t; + break; + } + else + delete t; + } + currentReader = nullptr; + return file; +} +qmpFileReader *CMidiFileReaderCollection::getCurrentReader() +{ + return currentReader; } -qmpFileReader* CMidiFileReaderCollection::getCurrentReader() -{return currentReader;} -- cgit v1.2.3