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116 lines
1.9 KiB
C++
116 lines
1.9 KiB
C++
#include "i_musicinterns.h"
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#include "i_cd.h"
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#include "files.h"
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void CDSong::Play (bool looping, int subsong)
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{
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m_Status = STATE_Stopped;
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m_Looping = looping;
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if (m_Track != 0 ? CD_Play (m_Track, looping) : CD_PlayCD (looping))
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{
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m_Status = STATE_Playing;
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}
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}
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void CDSong::Pause ()
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{
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if (m_Status == STATE_Playing)
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{
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CD_Pause ();
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m_Status = STATE_Paused;
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}
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}
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void CDSong::Resume ()
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{
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if (m_Status == STATE_Paused)
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{
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if (CD_Resume ())
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m_Status = STATE_Playing;
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}
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}
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void CDSong::Stop ()
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{
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if (m_Status != STATE_Stopped)
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{
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m_Status = STATE_Stopped;
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CD_Stop ();
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}
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}
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CDSong::~CDSong ()
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{
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Stop ();
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m_Inited = false;
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}
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CDSong::CDSong (int track, int id)
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{
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bool success;
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m_Inited = false;
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if (id != 0)
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{
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success = CD_InitID (id);
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}
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else
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{
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success = CD_Init ();
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}
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if (success && (track == 0 || CD_CheckTrack (track)))
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{
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m_Inited = true;
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m_Track = track;
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}
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}
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bool CDSong::IsPlaying ()
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{
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if (m_Status == STATE_Playing)
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{
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if (CD_GetMode () != CDMode_Play)
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{
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Stop ();
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}
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}
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return m_Status != STATE_Stopped;
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}
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CDDAFile::CDDAFile (FileReader &reader)
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: CDSong ()
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{
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DWORD chunk;
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WORD track;
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DWORD discid;
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long endpos = reader.Tell() + reader.GetLength() - 8;
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// I_RegisterSong already identified this as a CDDA file, so we
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// just need to check the contents we're interested in.
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reader.Seek(12, SEEK_CUR);
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while (reader.Tell() < endpos)
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{
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reader.Read(&chunk, 4);
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if (chunk != (('f')|(('m')<<8)|(('t')<<16)|((' ')<<24)))
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{
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reader.Read(&chunk, 4);
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reader.Seek(chunk, SEEK_CUR);
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}
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else
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{
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reader.Seek(6, SEEK_CUR);
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reader.Read(&track, 2);
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reader.Read(&discid, 4);
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if (CD_InitID (discid) && CD_CheckTrack (track))
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{
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m_Inited = true;
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m_Track = track;
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}
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return;
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}
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}
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}
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