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made Cues member variables mutable

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Change-Id: I405b845f37c9deaffd67e50752fb9b2aa7124484
This commit is contained in:
matthewjheaney 2010-10-11 12:59:17 -04:00
parent 024ad97571
commit aec650fed7
2 changed files with 11 additions and 143 deletions
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126
mkvparser.cpp
View File

@ -1740,7 +1740,7 @@ Cues::~Cues()
}
void Cues::Init()
void Cues::Init() const
{
if (m_cue_points)
return;
@ -1780,14 +1780,12 @@ void Cues::Init()
pos += size; //consume payload
assert(pos <= stop);
}
LoadCuePoint();
}
void Cues::PreloadCuePoint(
size_t& cue_points_size,
long long pos)
long long pos) const
{
assert(m_count == 0);
@ -1837,37 +1835,7 @@ void Cues::PreloadCuePoint(
}
#if 0
const CuePoint* Cues::GetFirst() const
{
if (m_count < 1)
return NULL;
CuePoint* const pCP = m_cue_points[0];
assert(pCP);
assert(pCP->GetTimeCode() >= 0);
return pCP;
}
const CuePoint* Cues::GetLast() const
{
if (m_count < 1)
return NULL;
const size_t idx = m_count - 1;
CuePoint* const pCP = m_cue_points[idx];
assert(pCP);
assert(pCP->GetTimeCode() >= 0);
return pCP;
}
#endif
bool Cues::LoadCuePoint()
bool Cues::LoadCuePoint() const
{
//odbgstream os;
//os << "Cues::LoadCuePoint" << endl;
@ -1936,7 +1904,7 @@ bool Cues::Find(
assert(time_ns >= 0);
assert(pTrack);
const_cast<Cues*>(this)->LoadCuePoint();
LoadCuePoint();
assert(m_cue_points);
assert(m_count > 0);
@ -2064,92 +2032,6 @@ bool Cues::FindNext(
#endif
#if 0
const CuePoint* Cues::LoadCuePoint(
long long time_ns,
const Track* pTrack,
const CuePoint::TrackPosition*& pTP) const
{
assert(time_ns >= 0);
assert(pTrack);
//odbgstream os;
//os << "Cues::LoadCuePoint: time[sec]="
// << (double(time_ns) / 1000000000)
// << " count=" << m_count
// << " preload_count=" << m_preload_count
// << endl;
if (m_count > 0)
{
const CuePoint* pCP = GetLast();
assert(pCP);
const long long ns = pCP->GetTime(m_pSegment);
if ((ns >= time_ns) || (m_preload_count == 0))
{
const bool bFound = Find(time_ns, pTrack, pCP, pTP);
assert(bFound); //TODO
assert(pCP);
assert(pTP);
return pCP;
}
}
assert(m_preload_count > 0);
assert(m_cue_points);
IMkvReader* const pReader = m_pSegment->m_pReader;
CuePoint** const ii = m_cue_points + m_count;
CuePoint** i = ii;
CuePoint** const jj = ii + m_preload_count;
CuePoint** j = jj;
while (i < j)
{
//INVARIANT:
//[ii, i) <= time_ns
//[i, j) ?
//[j, jj) > time_ns
CuePoint** const k = i + (j - i) / 2;
assert(k < jj);
CuePoint* const pCP = *k;
assert(pCP);
pCP->Load(pReader, 0);
const long long t = pCP->GetTime(m_pSegment);
if (t <= time_ns)
i = k + 1;
else
j = k;
assert(i <= j);
}
assert(i == j);
assert(i <= jj);
assert(i > m_cue_points);
const CuePoint* const pCP = *--i;
assert(pCP);
assert(pCP->GetTime(m_pSegment) <= time_ns);
pTP = pCP->Find(pTrack);
assert(pTP); //TODO
return pCP;
}
#endif
CuePoint::CuePoint(long long pos) :
m_timecode(-1 * pos),
m_track_positions(NULL),

28
mkvparser.hpp
View File

@ -400,29 +400,15 @@ public:
const CuePoint::TrackPosition*&) const;
#endif
#if 0
const CuePoint* GetFirst() const;
const CuePoint* GetLast() const;
#endif
bool LoadCuePoint();
#if 0
const CuePoint* LoadCuePoint(
long long time_ns,
const Track*,
const CuePoint::TrackPosition*&) const;
#endif
private:
void Init();
void PreloadCuePoint(size_t&, long long);
void Init() const;
bool LoadCuePoint() const;
void PreloadCuePoint(size_t&, long long) const;
CuePoint** m_cue_points;
//size_t m_cue_points_size;
size_t m_count;
size_t m_preload_count;
long long m_pos;
mutable CuePoint** m_cue_points;
mutable size_t m_count;
mutable size_t m_preload_count;
mutable long long m_pos;
};