Playlist.cpp
资源名称:bfyy.rar [点击查看]
上传用户:tangyu_668
上传日期:2014-02-27
资源大小:678k
文件大小:5k
源码类别:
多媒体编程
开发平台:
Visual C++
- /*
- * Copyright (C) 2003-2006 Gabest
- * http://www.gabest.org
- *
- * This Program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This Program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- */
- #include "stdafx.h"
- #include "mplayerc.h"
- #include "playlist.h"
- //
- // CPlaylistItem
- //
- UINT CPlaylistItem::m_globalid = 0;
- CPlaylistItem::CPlaylistItem()
- : m_type(file)
- , m_fInvalid(false)
- , m_duration(0)
- , m_vinput(-1)
- , m_vchannel(-1)
- , m_ainput(-1)
- {
- m_id = m_globalid++;
- }
- CPlaylistItem::~CPlaylistItem()
- {
- }
- CPlaylistItem::CPlaylistItem(const CPlaylistItem& pli)
- {
- *this = pli;
- }
- CPlaylistItem& CPlaylistItem::operator = (const CPlaylistItem& pli)
- {
- m_id = pli.m_id;
- m_label = pli.m_label;
- m_fns.RemoveAll();
- m_fns.AddTailList(&pli.m_fns);
- m_subs.RemoveAll();
- m_subs.AddTailList(&pli.m_subs);
- m_type = pli.m_type;
- m_fInvalid = pli.m_fInvalid;
- m_duration = pli.m_duration;
- m_vinput = pli.m_vinput;
- m_vchannel = pli.m_vchannel;
- m_ainput = pli.m_ainput;
- return(*this);
- }
- POSITION CPlaylistItem::FindFile(CString path)
- {
- POSITION pos = m_fns.GetHeadPosition();
- while(pos && !m_fns.GetAt(pos).CompareNoCase(path)) m_fns.GetNext(pos);
- return(NULL);
- }
- static CString StripPath(CString path)
- {
- CString p = path;
- p.Replace('\', '/');
- p = p.Mid(p.ReverseFind('/')+1);
- return(p.IsEmpty() ? path : p);
- }
- CString CPlaylistItem::GetLabel(int i)
- {
- CString str;
- if(i == 0)
- {
- if(!m_label.IsEmpty()) str = m_label;
- else if(!m_fns.IsEmpty()) str = StripPath(m_fns.GetHead());
- }
- else if(i == 1)
- {
- if(m_fInvalid) return _T("Invalid");
- if(m_type == file)
- {
- REFERENCE_TIME rt = m_duration;
- if(rt > 0)
- {
- rt /= 10000000;
- int ss = int(rt%60);
- rt /= 60;
- int mm = int(rt%60);
- rt /= 60;
- int hh = int(rt);
- str.Format(_T("%02d:%02d:%02d"), hh, mm, ss);
- }
- }
- else if(m_type == device)
- {
- // TODO
- }
- }
- return str;
- }
- //
- // CPlaylist
- //
- CPlaylist::CPlaylist()
- : m_pos(NULL)
- {
- }
- CPlaylist::~CPlaylist()
- {
- }
- void CPlaylist::RemoveAll()
- {
- __super::RemoveAll();
- m_pos = NULL;
- }
- bool CPlaylist::RemoveAt(POSITION pos)
- {
- if(pos)
- {
- __super::RemoveAt(pos);
- if(m_pos == pos) {m_pos = NULL; return(true);}
- }
- return(false);
- }
- typedef struct {UINT n; POSITION pos;} plsort_t;
- static int compare(const void* arg1, const void* arg2)
- {
- UINT a1 = ((plsort_t*)arg1)->n;
- UINT a2 = ((plsort_t*)arg2)->n;
- return a1 > a2 ? 1 : a1 < a2 ? -1 : 0;
- }
- typedef struct {LPCTSTR str; POSITION pos;} plsort2_t;
- int compare2(const void* arg1, const void* arg2)
- {
- return _tcsicmp(((plsort2_t*)arg1)->str, ((plsort2_t*)arg2)->str);
- }
- void CPlaylist::SortById()
- {
- CAtlArray<plsort_t> a;
- a.SetCount(GetCount());
- POSITION pos = GetHeadPosition();
- for(int i = 0; pos; i++, GetNext(pos))
- a[i].n = GetAt(pos).m_id, a[i].pos = pos;
- qsort(a.GetData(), a.GetCount(), sizeof(plsort_t), compare);
- for(int i = 0; i < a.GetCount(); i++)
- {
- AddTail(GetAt(a[i].pos));
- __super::RemoveAt(a[i].pos);
- if(m_pos == a[i].pos) m_pos = GetTailPosition();
- }
- }
- void CPlaylist::SortByName()
- {
- CAtlArray<plsort2_t> a;
- a.SetCount(GetCount());
- POSITION pos = GetHeadPosition();
- for(int i = 0; pos; i++, GetNext(pos))
- {
- CString& fn = GetAt(pos).m_fns.GetHead();
- a[i].str = (LPCTSTR)fn + max(fn.ReverseFind('/'), fn.ReverseFind('\')) + 1;
- a[i].pos = pos;
- }
- qsort(a.GetData(), a.GetCount(), sizeof(plsort2_t), compare2);
- for(int i = 0; i < a.GetCount(); i++)
- {
- AddTail(GetAt(a[i].pos));
- __super::RemoveAt(a[i].pos);
- if(m_pos == a[i].pos) m_pos = GetTailPosition();
- }
- }
- void CPlaylist::SortByPath()
- {
- CAtlArray<plsort2_t> a;
- a.SetCount(GetCount());
- POSITION pos = GetHeadPosition();
- for(int i = 0; pos; i++, GetNext(pos))
- a[i].str = GetAt(pos).m_fns.GetHead(), a[i].pos = pos;
- qsort(a.GetData(), a.GetCount(), sizeof(plsort2_t), compare2);
- for(int i = 0; i < a.GetCount(); i++)
- {
- AddTail(GetAt(a[i].pos));
- __super::RemoveAt(a[i].pos);
- if(m_pos == a[i].pos) m_pos = GetTailPosition();
- }
- }
- void CPlaylist::Randomize()
- {
- CAtlArray<plsort_t> a;
- a.SetCount(GetCount());
- srand((unsigned int)time(NULL));
- POSITION pos = GetHeadPosition();
- for(int i = 0; pos; i++, GetNext(pos))
- a[i].n = rand(), a[i].pos = pos;
- qsort(a.GetData(), a.GetCount(), sizeof(plsort_t), compare);
- CList<CPlaylistItem> pl;
- for(int i = 0; i < a.GetCount(); i++)
- {
- AddTail(GetAt(a[i].pos));
- __super::RemoveAt(a[i].pos);
- if(m_pos == a[i].pos)
- m_pos = GetTailPosition();
- }
- }
- POSITION CPlaylist::GetPos()
- {
- return(m_pos);
- }
- void CPlaylist::SetPos(POSITION pos)
- {
- m_pos = pos;
- }
- CPlaylistItem& CPlaylist::GetNextWrap(POSITION& pos)
- {
- GetNext(pos);
- if(!pos)
- {
- // FIXME: add param: , bool fShuffle
- if(GetCount() > 2 && AfxGetApp()->GetProfileInt(ResStr(IDS_R_SETTINGS), _T("ShufflePlaylistItems"), FALSE))
- Randomize();
- pos = GetHeadPosition();
- }
- return(GetAt(pos));
- }
- CPlaylistItem& CPlaylist::GetPrevWrap(POSITION& pos)
- {
- GetPrev(pos);
- if(!pos) pos = GetTailPosition();
- return(GetAt(pos));
- }