// True = success
bool FindDependencies(AudacityProject *project,
AliasedFileArray *outAliasedFiles)
{
sampleFormat format = project->GetDefaultFormat();
BlockArray blocks;
GetAllSeqBlocks(project, &blocks);
AliasedFileHash aliasedFileHash;
BoolBlockFileHash blockFileHash;
int i;
for(i=0; i<(int)blocks.GetCount(); i++) {
BlockFile *f = blocks[i]->f;
if (f->IsAlias() && !blockFileHash[f]) {
blockFileHash[f] = true; // Don't count the same blockfile twice
AliasBlockFile *aliasBlockFile = (AliasBlockFile *)f;
wxFileName fileName = aliasBlockFile->GetAliasedFile();
wxString fileNameStr = fileName.GetFullPath();
int blockBytes = (SAMPLE_SIZE(format) *
aliasBlockFile->GetLength());
if (aliasedFileHash[fileNameStr])
aliasedFileHash[fileNameStr]->bytes += blockBytes;
else {
outAliasedFiles->Add(AliasedFile(fileName, blockBytes));
aliasedFileHash[fileNameStr] =
&((*outAliasedFiles)[outAliasedFiles->GetCount()-1]);
}
}
}
return true;
}
// get the sum of the sizes of all blocks this track list
// references. However, if a block is referred to multiple
// times it is only counted once. Return value is in bytes.
wxLongLong UndoManager::CalculateSpaceUsage(int index)
{
TrackListOfKindIterator iter(Track::Wave);
WaveTrack *wt;
WaveClipList::compatibility_iterator it;
BlockArray *blocks;
unsigned int i;
// get a map of all blocks referenced in this TrackList
std::map<BlockFile*, wxLongLong> cur;
wt = (WaveTrack *) iter.First(stack[index]->tracks);
while (wt) {
for (it = wt->GetClipIterator(); it; it = it->GetNext()) {
blocks = it->GetData()->GetSequenceBlockArray();
for (i = 0; i < blocks->GetCount(); i++)
{
BlockFile* pBlockFile = blocks->Item(i)->f;
if (pBlockFile->GetFileName().FileExists())
cur[pBlockFile] = pBlockFile->GetSpaceUsage();
}
}
wt = (WaveTrack *) iter.Next();
}
if (index > 0) {
// get a set of all blocks referenced in all prev TrackList
std::set<BlockFile*> prev;
while (--index) {
wt = (WaveTrack *) iter.First(stack[index]->tracks);
while (wt) {
for (it = wt->GetClipIterator(); it; it = it->GetNext()) {
blocks = it->GetData()->GetSequenceBlockArray();
for (i = 0; i < blocks->GetCount(); i++) {
prev.insert(blocks->Item(i)->f);
}
}
wt = (WaveTrack *) iter.Next();
}
}
// remove all blocks in prevBlockFiles from curBlockFiles
std::set<BlockFile*>::const_iterator prevIter;
for (prevIter = prev.begin(); prevIter != prev.end(); prevIter++) {
cur.erase(*prevIter);
}
}
// sum the sizes of the blocks remaining in curBlockFiles;
wxLongLong bytes = 0;
std::map<BlockFile*, wxLongLong>::const_iterator curIter;
for (curIter = cur.begin(); curIter != cur.end(); curIter++) {
bytes += curIter->second;
}
return bytes;
}
void UndoManager::CalculateSpaceUsage()
{
TIMER_START( "CalculateSpaceUsage", space_calc );
TrackListOfKindIterator iter(Track::Wave);
space.Clear();
space.Add(0, stack.GetCount());
Set s1, s2;
Set *prev = &s1;
Set *cur = &s2;
for (size_t i = 0, cnt = stack.GetCount(); i < cnt; i++)
{
// Swap map pointers
std::swap(cur, prev);
// And clean out the NEW current map
cur->clear();
// Scan all tracks at current level
WaveTrack *wt = (WaveTrack *) iter.First(stack[i]->tracks);
while (wt)
{
// Scan all clips within current track
WaveClipList::compatibility_iterator it = wt->GetClipIterator();
while (it)
{
// Scan all blockfiles within current clip
BlockArray *blocks = it->GetData()->GetSequenceBlockArray();
for (size_t b = 0, cnt = blocks->size(); b < cnt; b++)
{
BlockFile *file = (*blocks)[b].f;
// Accumulate space used by the file if the file didn't exist
// in the previous level
if (prev->count(file) == 0 && cur->count(file) == 0)
{
space[i] += file->GetSpaceUsage().GetValue();
}
// Add file to current set
cur->insert(file);
}
it = it->GetNext();
}
wt = (WaveTrack *) iter.Next();
}
}
TIMER_STOP( space_calc );
}
///by default creates the order of the wavetrack to load.
void ODDecodeTask::Update()
{
std::vector<ODDecodeBlockFile*> tempBlocks;
mWaveTrackMutex.Lock();
for(size_t j=0;j<mWaveTracks.size();j++)
{
if(mWaveTracks[j])
{
WaveClip *clip;
BlockArray *blocks;
Sequence *seq;
//gather all the blockfiles that we should process in the wavetrack.
WaveClipList::compatibility_iterator node = mWaveTracks[j]->GetClipIterator();
while(node) {
clip = node->GetData();
seq = clip->GetSequence();
//TODO:this lock is way to big since the whole file is one sequence. find a way to break it down.
seq->LockDeleteUpdateMutex();
//See Sequence::Delete() for why need this for now..
blocks = clip->GetSequenceBlockArray();
int i;
int insertCursor;
insertCursor =0;//OD TODO:see if this works, removed from inner loop (bfore was n*n)
for(i=0; i<(int)blocks->GetCount(); i++)
{
//since we have more than one ODBlockFile, we will need type flags to cast.
if(!blocks->Item(i)->f->IsDataAvailable() && ((ODDecodeBlockFile*)blocks->Item(i)->f)->GetDecodeType()==this->GetODType())
{
blocks->Item(i)->f->Ref();
((ODDecodeBlockFile*)blocks->Item(i)->f)->SetStart(blocks->Item(i)->start);
((ODDecodeBlockFile*)blocks->Item(i)->f)->SetClipOffset((sampleCount)(clip->GetStartTime()*clip->GetRate()));
//these will always be linear within a sequence-lets take advantage of this by keeping a cursor.
while(insertCursor<(int)tempBlocks.size()&&
(sampleCount)(tempBlocks[insertCursor]->GetStart()+tempBlocks[insertCursor]->GetClipOffset()) <
(sampleCount)(((ODDecodeBlockFile*)blocks->Item(i)->f)->GetStart()+((ODDecodeBlockFile*)blocks->Item(i)->f)->GetClipOffset()))
insertCursor++;
tempBlocks.insert(tempBlocks.begin()+insertCursor++,(ODDecodeBlockFile*)blocks->Item(i)->f);
}
}
seq->UnlockDeleteUpdateMutex();
node = node->GetNext();
}
}
}
mWaveTrackMutex.Unlock();
//get the new order.
OrderBlockFiles(tempBlocks);
}
// Converts an array of blocks back to a single 2D array
// This is the inverse of "split_into_blocks()"
// The array of blocks might represent slices or codeblocks
const Array2D merge_blocks(const BlockArray& blocks) {
// First find picture dimensions
int pictureHeight = 0;
int pictureWidth = 0;
const int yBlocks = blocks.shape()[0];
const int xBlocks = blocks.shape()[1];
for (int y=0; y<yBlocks; ++y) pictureHeight += blocks[y][0].shape()[0];
for (int x=0; x<xBlocks; ++x) pictureWidth += blocks[0][x].shape()[1];
// Define Array2D pictureHeight by PictureWidth
Array2D picture(extents[pictureHeight][pictureWidth]);
// Now merge the block together
// Note Range(top, bottom) and Range(left, right) define half open ranges either
// [top, bottom) or [left, right), i.e. the bottom/rightmost element is not included
int bottom;
for (int y=0, top=0;
y<yBlocks;
++y, top=bottom) {
bottom = top + blocks[y][0].shape()[0];
int right;
for (int x=0, left=0;
x<xBlocks;
++x, left=right) {
right = left + blocks[0][x].shape()[1];
// Copy block into a view of the picture
picture[indices[Range(top,bottom)][Range(left,right)]] = blocks[y][x];
}
}
return picture;
}
void FindDependencies(AudacityProject *project,
AliasedFileArray *outAliasedFiles)
{
sampleFormat format = project->GetDefaultFormat();
BlockArray blocks;
GetAllSeqBlocks(project, &blocks);
AliasedFileHash aliasedFileHash;
BoolBlockFileHash blockFileHash;
int i;
for (i = 0; i < (int)blocks.GetCount(); i++) {
BlockFile *f = blocks[i]->f;
if (f->IsAlias() && (blockFileHash.count(f) == 0))
{
// f is an alias block we have not yet counted.
blockFileHash[f] = true; // Don't count the same blockfile twice.
AliasBlockFile *aliasBlockFile = (AliasBlockFile *)f;
wxFileName fileName = aliasBlockFile->GetAliasedFileName();
// In DirManager::ProjectFSCK(), if the user has chosen to
// "Replace missing audio with silence", the code there puts in an empty wxFileName.
// Don't count those in dependencies.
if (!fileName.IsOk())
continue;
wxString fileNameStr = fileName.GetFullPath();
int blockBytes = (SAMPLE_SIZE(format) *
aliasBlockFile->GetLength());
if (aliasedFileHash.count(fileNameStr) > 0)
// Already put this AliasBlockFile in aliasedFileHash.
// Update block count.
aliasedFileHash[fileNameStr]->mByteCount += blockBytes;
else
{
// Haven't counted this AliasBlockFile yet.
// Add to return array and internal hash.
outAliasedFiles->Add(AliasedFile(fileName,
blockBytes,
fileName.FileExists()));
aliasedFileHash[fileNameStr] =
&((*outAliasedFiles)[outAliasedFiles->GetCount()-1]);
}
}
}
}
// get the sum of the sizes of all blocks this track list
// references. However, if a block is referred to multiple
// times it is only counted once. Return value is in bytes
unsigned int TrackList::GetSpaceUsage()
{
// the map guarantees that I only count each block once
std::map<BlockFile*,unsigned int> blockFiles;
for (TrackListNode *p = head; p; p = p->next) {
if (p->t->GetKind() == Track::Wave) {
BlockArray *blocks = ((WaveTrack*)p->t)->GetSequence()->GetBlockArray();
for (unsigned int i = 0; i < blocks->GetCount(); i++)
blockFiles[blocks->Item(i)->f] = blocks->Item(i)->f->GetSpaceUsage();
}
}
std::map<BlockFile*,unsigned int>::const_iterator bfIter;
unsigned int bytes = 0;
for (bfIter = blockFiles.begin(); bfIter != blockFiles.end(); bfIter++)
bytes += bfIter->second;
return bytes;
}
///by default creates the order of the wavetrack to load.
void ODComputeSummaryTask::Update()
{
std::vector<ODPCMAliasBlockFile*> tempBlocks;
mWaveTrackMutex.Lock();
if(mWaveTrack)
{
WaveClip *clip;
BlockArray *blocks;
Sequence *seq;
//gather all the blockfiles that we should process in the wavetrack.
WaveClipList::Node* node = mWaveTrack->GetClipIterator();
while(node) {
clip = node->GetData();
seq = clip->GetSequence();
//TODO:this lock is way to big since the whole file is one sequence. find a way to break it down.
seq->LockDeleteUpdateMutex();
//See Sequence::Delete() for why need this for now..
blocks = clip->GetSequenceBlockArray();
int i;
for(i=0; i<(int)blocks->GetCount(); i++)
{
//in the future if we have more than one ODBlockFile, we will need type flags to cast.
if(!blocks->Item(i)->f->IsSummaryAvailable())
{
blocks->Item(i)->f->Ref();
tempBlocks.push_back((ODPCMAliasBlockFile*)blocks->Item(i)->f);
}
}
seq->UnlockDeleteUpdateMutex();
node = node->GetNext();
}
}
mWaveTrackMutex.Unlock();
//get the new order.
OrderBlockFiles(tempBlocks);
}
// Given an Audacity project and a hash mapping aliased block
// files to un-aliased block files, walk through all of the
// tracks and replace each aliased block file with its replacement.
// Note that this code respects reference-counting and thus the
// process of making a project self-contained is actually undoable.
void ReplaceBlockFiles(AudacityProject *project,
ReplacedBlockFileHash &hash)
{
DirManager *dirManager = project->GetDirManager();
BlockArray blocks;
GetAllSeqBlocks(project, &blocks);
int i;
for (i = 0; i < (int)blocks.GetCount(); i++) {
if (hash.count(blocks[i]->f) > 0) {
BlockFile *src = blocks[i]->f;
BlockFile *dst = hash[src];
dirManager->Deref(src);
dirManager->Ref(dst);
blocks[i]->f = dst;
}
}
}
// Find out how much additional space was used to execute
// this operation.
//
// Computed by getting a list of all blocks referenced by
// *this* TrackList and removing all blocks referenced by
// any previous TrackList.
wxLongLong TrackList::GetAdditionalSpaceUsage(UndoStack *stack)
{
TrackListNode *p;
// get a map of all blocks referenced in this TrackList
std::map<BlockFile*,wxLongLong> curBlockFiles;
for (p = head; p; p = p->next) {
if (p->t->GetKind() == Track::Wave) {
WaveTrack* track = ((WaveTrack*)p->t);
for (WaveClipList::Node* it=track->GetClipIterator(); it; it=it->GetNext())
{
WaveClip* clip = it->GetData();
BlockArray *blocks = clip->GetSequenceBlockArray();
for (unsigned int i = 0; i < blocks->GetCount(); i++)
curBlockFiles[blocks->Item(i)->f] = blocks->Item(i)->f->GetSpaceUsage();
}
}
}
// get a set of all blocks referenced in all prev TrackList
std::set<BlockFile*> prevBlockFiles;
unsigned int undoStackIdx = 0;
for (; undoStackIdx < stack->GetCount(); undoStackIdx++) {
UndoStackElem *stackElem = stack->Item(undoStackIdx);
if (stackElem->tracks == this)
break;
for (p = stackElem->tracks->head; p; p = p->next) {
if (p->t->GetKind() == Track::Wave) {
WaveTrack* track = ((WaveTrack*)p->t);
for (WaveClipList::Node* it=track->GetClipIterator(); it; it=it->GetNext())
{
WaveClip* clip = it->GetData();
BlockArray *blocks = clip->GetSequenceBlockArray();
for (unsigned int i = 0; i < blocks->GetCount(); i++)
prevBlockFiles.insert(blocks->Item(i)->f);
}
}
}
}
// remove all blocks in prevBlockFiles from curBlockFiles
std::set<BlockFile*>::const_iterator prevIter = prevBlockFiles.begin();
for (; prevIter != prevBlockFiles.end(); prevIter++)
curBlockFiles.erase(*prevIter);
// sum the sizes of the blocks remaining in curBlockFiles;
std::map<BlockFile*,wxLongLong>::const_iterator curBfIter =
curBlockFiles.begin();
wxLongLong bytes = 0;
for (;curBfIter != curBlockFiles.end(); curBfIter++)
bytes += curBfIter->second;
return bytes;
}
BlockArray *WaveTrack::Blockify(sampleType * buffer, sampleCount len)
{
BlockArray *list = new BlockArray();
list->Alloc(10);
if (len == 0)
return list;
int num = (len + (maxSamples - 1)) / maxSamples;
for (int i = 0; i < num; i++) {
WaveBlock *b = NewInitedWaveBlock();
b->start = i * len / num;
b->len = ((i + 1) * len / num) - b->start;
FirstWrite(&buffer[b->start], b, b->len);
list->Add(b);
}
return list;
}
// Given a project, returns a single array of all SeqBlocks
// in the current set of tracks. Enumerating that array allows
// you to process all block files in the current set.
void GetAllSeqBlocks(AudacityProject *project,
BlockArray *outBlocks)
{
TrackList *tracks = project->GetTracks();
TrackListIterator iter(tracks);
Track *t = iter.First();
while (t) {
if (t->GetKind() == Track::Wave) {
WaveTrack *waveTrack = (WaveTrack *)t;
WaveClipList::compatibility_iterator node = waveTrack->GetClipIterator();
while(node) {
WaveClip *clip = node->GetData();
Sequence *sequence = clip->GetSequence();
BlockArray *blocks = sequence->GetBlockArray();
int i;
for (i = 0; i < (int)blocks->GetCount(); i++)
outBlocks->Add(blocks->Item(i));
node = node->GetNext();
}
}
t = iter.Next();
}
}
BlockArray *Sequence::Blockify(samplePtr buffer, sampleCount len)
{
BlockArray *list = new BlockArray();
list->Alloc(10);
if (len == 0)
return list;
int num = (len + (mMaxSamples - 1)) / mMaxSamples;
for (int i = 0; i < num; i++) {
SeqBlock *b = new SeqBlock();
b->start = i * len / num;
int newLen = ((i + 1) * len / num) - b->start;
samplePtr bufStart = buffer + (b->start * SAMPLE_SIZE(mSampleFormat));
b->f = mDirManager->NewSimpleBlockFile(bufStart, newLen, mSampleFormat);
list->Add(b);
}
return list;
}
// get the sum of the sizes of all blocks this track list
// references. However, if a block is referred to multiple
// times it is only counted once. Return value is in bytes
wxLongLong TrackList::GetSpaceUsage()
{
// the map guarantees that I only count each block once
std::map<BlockFile*,wxLongLong> blockFiles;
for (TrackListNode *p = head; p; p = p->next) {
if (p->t->GetKind() == Track::Wave) {
WaveTrack* track = ((WaveTrack*)p->t);
for (WaveClipList::Node* it=track->GetClipIterator(); it; it=it->GetNext())
{
WaveClip* clip = it->GetData();
BlockArray *blocks = clip->GetSequenceBlockArray();
for (unsigned int i = 0; i < blocks->GetCount(); i++)
blockFiles[blocks->Item(i)->f] = blocks->Item(i)->f->GetSpaceUsage();
}
}
}
std::map<BlockFile*,wxLongLong>::const_iterator bfIter;
wxLongLong bytes = 0;
for (bfIter = blockFiles.begin(); bfIter != blockFiles.end(); bfIter++)
bytes += bfIter->second;
return bytes;
}
BlockArray *Sequence::Blockify(samplePtr buffer, sampleCount len)
{
BlockArray *list = new BlockArray();
list->Alloc(10);
if (len == 0)
return list;
int num = (len + (mMaxSamples - 1)) / mMaxSamples;
for (int i = 0; i < num; i++) {
SeqBlock *b = NewInitedSeqBlock();
b->start = i * len / num;
b->len = ((i + 1) * len / num) - b->start;
FirstWrite(buffer + (b->start * SAMPLE_SIZE(mSampleFormat)),
b, b->len);
list->Add(b);
}
return list;
}
// Given a project and a list of aliased files that should no
// longer be external dependencies (selected by the user), replace
// all of those alias block files with disk block files.
void RemoveDependencies(AudacityProject *project,
AliasedFileArray *aliasedFiles)
{
DirManager *dirManager = project->GetDirManager();
ProgressDialog *progress =
new ProgressDialog(_("Removing Dependencies"),
_("Copying audio data into project..."));
int updateResult = eProgressSuccess;
// Hash aliasedFiles based on their full paths and
// count total number of bytes to process.
AliasedFileHash aliasedFileHash;
wxLongLong totalBytesToProcess = 0;
unsigned int i;
for (i = 0; i < aliasedFiles->GetCount(); i++) {
totalBytesToProcess += aliasedFiles->Item(i).mByteCount;
wxString fileNameStr = aliasedFiles->Item(i).mFileName.GetFullPath();
aliasedFileHash[fileNameStr] = &aliasedFiles->Item(i);
}
BlockArray blocks;
GetAllSeqBlocks(project, &blocks);
const sampleFormat format = project->GetDefaultFormat();
ReplacedBlockFileHash blockFileHash;
wxLongLong completedBytes = 0;
for (i = 0; i < blocks.GetCount(); i++) {
BlockFile *f = blocks[i]->f;
if (f->IsAlias() && (blockFileHash.count(f) == 0))
{
// f is an alias block we have not yet processed.
AliasBlockFile *aliasBlockFile = (AliasBlockFile *)f;
wxFileName fileName = aliasBlockFile->GetAliasedFileName();
wxString fileNameStr = fileName.GetFullPath();
if (aliasedFileHash.count(fileNameStr) == 0)
// This aliased file was not selected to be replaced. Skip it.
continue;
// Convert it from an aliased file to an actual file in the project.
unsigned int len = aliasBlockFile->GetLength();
samplePtr buffer = NewSamples(len, format);
f->ReadData(buffer, format, 0, len);
BlockFile *newBlockFile =
dirManager->NewSimpleBlockFile(buffer, len, format);
DeleteSamples(buffer);
// Update our hash so we know what block files we've done
blockFileHash[f] = newBlockFile;
// Update the progress bar
completedBytes += SAMPLE_SIZE(format) * len;
updateResult = progress->Update(completedBytes, totalBytesToProcess);
if (updateResult != eProgressSuccess)
break;
}
}
// Above, we created a SimpleBlockFile contained in our project
// to go with each AliasBlockFile that we wanted to migrate.
// However, that didn't actually change any references to these
// blockfiles in the Sequences, so we do that next...
ReplaceBlockFiles(project, blockFileHash);
// Subtract one from reference count of new block files; they're
// now all referenced the proper number of times by the Sequences
ReplacedBlockFileHash::iterator it;
for( it = blockFileHash.begin(); it != blockFileHash.end(); ++it )
{
BlockFile *f = it->second;
dirManager->Deref(f);
}
delete progress;
}
const Shape2D shape(const BlockArray& arg) {
const Shape2D result = {{static_cast<Index>(arg.shape()[0]), static_cast<Index>(arg.shape()[1])}};
return result;
}
void WaveTrack::Delete(sampleCount start, sampleCount len)
{
if (len == 0)
return;
int numBlocks = block->Count();
int newNumBlocks = 0;
#if wxUSE_THREADS
wxMutexLocker lock(*blockMutex);
#endif
int b0 = FindBlock(start);
int b1 = FindBlock(start + len - 1);
// Special case: if the samples to delete are all within a single
// block and the resulting length is not too small, perform the
// deletion within this block:
if (b0 == b1 && block->Item(b0)->len - len >= minSamples) {
WaveBlock *b = block->Item(b0);
sampleCount pos = start - b->start;
sampleCount newLen = b->len - len;
sampleType *buffer = new sampleType[newLen];
Read(buffer, b, 0, pos);
Read(&buffer[pos], b, pos + len, newLen - pos);
WaveBlock *newBlock = NewInitedWaveBlock();
newBlock->start = b->start;
newBlock->len = newLen;
FirstWrite(buffer, newBlock, newLen);
block->Item(b0) = newBlock;
for (int j = b0 + 1; j < numBlocks; j++)
block->Item(j)->start -= len;
delete[]buffer;
dirManager->Deref(b->f);
delete b;
numSamples -= len;
envelope.SetTrackLen(numSamples / rate);
ConsistencyCheck("Delete - branch one");
return;
}
// Create a new array of blocks
BlockArray *newBlock = new BlockArray();
newBlock->Alloc(numBlocks - (b1 - b0) + 2);
// Copy the blocks before the deletion point over to
// the new array
int i;
for (i = 0; i < b0; i++) {
newBlock->Add(block->Item(i));
newNumBlocks++;
}
// First grab the samples in block b0 before the deletion point
// into preBuffer. If this is enough samples for its own block,
// or if this would be the first block in the array, write it out.
// Otherwise combine it with the previous block (splitting them
// 50/50 if necessary).
WaveBlock *preBlock = block->Item(b0);
sampleCount preBufferLen = start - preBlock->start;
if (preBufferLen) {
if (preBufferLen >= minSamples || b0 == 0) {
WaveBlock *insBlock = NewInitedWaveBlock();
insBlock->len = preBufferLen;
insBlock->start = preBlock->start;
sampleType *preBuffer = new sampleType[preBufferLen];
Read(preBuffer, preBlock, 0, preBufferLen);
FirstWrite(preBuffer, insBlock, preBufferLen);
delete[]preBuffer;
newBlock->Add(insBlock);
newNumBlocks++;
if (b0 != b1) {
dirManager->Deref(preBlock->f);
delete preBlock;
}
} else {
WaveBlock *prepreBlock = block->Item(b0 - 1);
sampleCount prepreLen = prepreBlock->len;
sampleCount sum = prepreLen + preBufferLen;
sampleType *sumBuffer = new sampleType[sum];
Read(sumBuffer, prepreBlock, 0, prepreLen);
Read(&sumBuffer[prepreLen], preBlock, 0, preBufferLen);
BlockArray *split = Blockify(sumBuffer, sum);
split->Item(0)->start += prepreBlock->start;
newBlock->Item(b0 - 1) = split->Item(0);
for (i = 1; i < split->Count(); i++) {
split->Item(i)->start += prepreBlock->start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
delete[]sumBuffer;
dirManager->Deref(prepreBlock->f);
delete prepreBlock;
if (b0 != b1) {
dirManager->Deref(preBlock->f);
delete preBlock;
}
}
} else {
// The sample where we begin deletion happens to fall
// right on the beginning of a block.
if (b0 != b1) {
dirManager->Deref(block->Item(b0)->f);
delete block->Item(b0);
}
}
// Next, delete blocks strictly between b0 and b1
for (i = b0 + 1; i < b1; i++) {
dirManager->Deref(block->Item(i)->f);
delete block->Item(i);
}
// Now, symmetrically, grab the samples in block b1 after the
// deletion point into postBuffer. If this is enough samples
// for its own block, or if this would be the last block in
// the array, write it out. Otherwise combine it with the
// subsequent block (splitting them 50/50 if necessary).
WaveBlock *postBlock = block->Item(b1);
sampleCount postBufferLen =
(postBlock->start + postBlock->len) - (start + len);
if (postBufferLen) {
if (postBufferLen >= minSamples || b1 == numBlocks - 1) {
WaveBlock *insBlock = NewInitedWaveBlock();
insBlock->len = postBufferLen;
insBlock->start = start;
sampleType *postBuffer = new sampleType[postBufferLen];
sampleCount pos = (start + len) - postBlock->start;
Read(postBuffer, postBlock, pos, postBufferLen);
FirstWrite(postBuffer, insBlock, postBufferLen);
delete[]postBuffer;
newBlock->Add(insBlock);
newNumBlocks++;
dirManager->Deref(postBlock->f);
delete postBlock;
} else {
WaveBlock *postpostBlock = block->Item(b1 + 1);
sampleCount postpostLen = postpostBlock->len;
sampleCount sum = postpostLen + postBufferLen;
sampleType *sumBuffer = new sampleType[sum];
sampleCount pos = (start + len) - postBlock->start;
Read(sumBuffer, postBlock, pos, postBufferLen);
Read(&sumBuffer[postBufferLen], postpostBlock, 0, postpostLen);
BlockArray *split = Blockify(sumBuffer, sum);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
b1++;
delete[]sumBuffer;
dirManager->Deref(postpostBlock->f);
delete postpostBlock;
dirManager->Deref(postBlock->f);
delete postBlock;
}
} else {
// The sample where we begin deletion happens to fall
// right on the end of a block.
if (b0 != b1) {
dirManager->Deref(block->Item(b1)->f);
delete block->Item(b1);
}
}
// Copy the remaining blocks over from the old array
for (i = b1 + 1; i < numBlocks; i++) {
block->Item(i)->start -= len;
newBlock->Add(block->Item(i));
newNumBlocks++;
}
// Substitute our new array for the old one
delete block;
block = newBlock;
// Update total number of samples, update the envelope,
// and do a consistency check.
numSamples -= len;
envelope.SetTrackLen(numSamples / rate);
ConsistencyCheck("Delete - branch two");
}
void WaveTrack::Paste(double t, VTrack * src)
{
wxASSERT(src->GetKind() == WaveTrack::Wave);
envelope.ExpandRegion(t, src->GetMaxLen());
#if wxUSE_THREADS
wxMutexLocker lock(*blockMutex);
#endif
sampleCount s = (sampleCount) ((t - tOffset) * rate + 0.5);
if (s < 0)
s = 0;
if (s >= numSamples)
s = numSamples;
BlockArray *srcBlock = ((WaveTrack *) src)->GetBlockArray();
int addedLen = ((WaveTrack *) src)->numSamples;
int srcNumBlocks = srcBlock->Count();
if (addedLen == 0 || srcNumBlocks == 0)
return;
int b = FindBlock(s);
int numBlocks = block->Count();
if (numBlocks == 0) {
// Special case: this track is currently empty.
for (int i = 0; i < srcNumBlocks; i++)
AppendBlock(srcBlock->Item(i));
envelope.SetTrackLen(numSamples / rate);
ConsistencyCheck("Paste branch one");
return;
}
if (b >= 0 && b < numBlocks
&& block->Item(b)->len + addedLen < maxSamples) {
// Special case: we can fit all of the new samples inside of
// one block!
sampleType *buffer = new sampleType[maxSamples];
int splitPoint = s - block->Item(b)->start;
Read(buffer, block->Item(b), 0, splitPoint);
((WaveTrack *) src)->Get(&buffer[splitPoint], 0, addedLen);
Read(&buffer[splitPoint + addedLen], block->Item(b),
splitPoint, block->Item(b)->len - splitPoint);
WaveBlock *largerBlock = new WaveBlock();
largerBlock->start = block->Item(b)->start;
largerBlock->len = block->Item(b)->len + addedLen;
largerBlock->f = dirManager->NewBlockFile();
bool inited = InitBlock(largerBlock);
wxASSERT(inited);
FirstWrite(buffer, largerBlock, largerBlock->len);
dirManager->Deref(block->Item(b)->f);
delete block->Item(b);
block->Item(b) = largerBlock;
for (int i = b + 1; i < numBlocks; i++)
block->Item(i)->start += addedLen;
numSamples += addedLen;
delete[]buffer;
envelope.SetTrackLen(numSamples / rate);
ConsistencyCheck("Paste branch two");
return;
}
// Case two: if we are inserting four or fewer blocks,
// it's simplest to just lump all the data together
// into one big block along with the split block,
// then resplit it all
int i;
BlockArray *newBlock = new BlockArray();
newBlock->Alloc(numBlocks + srcNumBlocks + 2);
int newNumBlocks = 0;
for (i = 0; i < b; i++) {
newBlock->Add(block->Item(i));
newNumBlocks++;
}
WaveBlock *splitBlock = block->Item(b);
sampleCount splitLen = block->Item(b)->len;
int splitPoint = s - splitBlock->start;
if (srcNumBlocks <= 4) {
sampleCount sum = splitLen + addedLen;
sampleType *sumBuffer = new sampleType[sum];
Read(sumBuffer, splitBlock, 0, splitPoint);
((WaveTrack *) src)->Get(&sumBuffer[splitPoint], 0, addedLen);
Read(&sumBuffer[splitPoint + addedLen], splitBlock,
splitPoint, splitBlock->len - splitPoint);
BlockArray *split = Blockify(sumBuffer, sum);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += splitBlock->start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
delete[]sumBuffer;
} else {
// The final case is that we're inserting at least five blocks.
// We divide these into three groups: the first two get merged
// with the first half of the split block, the middle ones get
// copied in as is, and the last two get merged with the last
// half of the split block.
sampleCount srcFirstTwoLen =
srcBlock->Item(0)->len + srcBlock->Item(1)->len;
sampleCount leftLen = splitPoint + srcFirstTwoLen;
sampleType *leftBuffer = new sampleType[leftLen];
Read(leftBuffer, splitBlock, 0, splitPoint);
((WaveTrack *) src)->Get(&leftBuffer[splitPoint], 0, srcFirstTwoLen);
BlockArray *split = Blockify(leftBuffer, leftLen);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += splitBlock->start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
delete[]leftBuffer;
for (i = 2; i < srcNumBlocks - 2; i++) {
WaveBlock *insertBlock = new WaveBlock();
insertBlock->start = srcBlock->Item(i)->start + s;
insertBlock->len = srcBlock->Item(i)->len;
insertBlock->min = srcBlock->Item(i)->min;
insertBlock->max = srcBlock->Item(i)->max;
insertBlock->f = dirManager->CopyBlockFile(srcBlock->Item(i)->f);
if (!insertBlock->f) {
wxMessageBox("Could not paste! (Out of disk space?)");
}
newBlock->Add(insertBlock);
newNumBlocks++;
}
sampleCount srcLastTwoLen =
srcBlock->Item(srcNumBlocks - 2)->len +
srcBlock->Item(srcNumBlocks - 1)->len;
sampleCount rightSplit = splitBlock->len - splitPoint;
sampleCount rightLen = rightSplit + srcLastTwoLen;
sampleType *rightBuffer = new sampleType[rightLen];
sampleCount lastStart = srcBlock->Item(srcNumBlocks - 2)->start;
((WaveTrack *) src)->Get(rightBuffer, lastStart, srcLastTwoLen);
Read(&rightBuffer[srcLastTwoLen], splitBlock, splitPoint,
rightSplit);
sampleCount pos = s + lastStart;
split = Blockify(rightBuffer, rightLen);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += pos;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
delete[]rightBuffer;
}
dirManager->Deref(splitBlock->f);
delete splitBlock;
// Copy remaining blocks to new block array and
// swap the new block array in for the old
for (i = b + 1; i < numBlocks; i++) {
block->Item(i)->start += addedLen;
newBlock->Add(block->Item(i));
newNumBlocks++;
}
delete block;
block = newBlock;
numSamples += addedLen;
envelope.SetTrackLen(numSamples / rate);
ConsistencyCheck("Paste branch three");
}
///creates the order of the wavetrack to load.
///by default left to right, or frome the point the user has clicked.
void ODComputeSummaryTask::Update()
{
std::vector<ODPCMAliasBlockFile*> tempBlocks;
mWaveTrackMutex.Lock();
for(size_t j=0;j<mWaveTracks.size();j++)
{
if(mWaveTracks[j])
{
WaveClip *clip;
BlockArray *blocks;
Sequence *seq;
//gather all the blockfiles that we should process in the wavetrack.
WaveClipList::compatibility_iterator node = mWaveTracks[j]->GetClipIterator();
while(node) {
clip = node->GetData();
seq = clip->GetSequence();
//This lock may be way too big since the whole file is one sequence.
//TODO: test for large files and find a way to break it down.
Sequence::DeleteUpdateMutexLocker locker(*seq);
//See Sequence::Delete() for why need this for now..
//We don't need the mBlockFilesMutex here because it is only for the vector list.
//These are existing blocks, and its wavetrack or blockfiles won't be deleted because
//of the respective mWaveTrackMutex lock and LockDeleteUpdateMutex() call.
blocks = clip->GetSequenceBlockArray();
int i;
int insertCursor;
insertCursor =0;//OD TODO:see if this works, removed from inner loop (bfore was n*n)
for(i=0; i<(int)blocks->size(); i++)
{
//if there is data but no summary, this blockfile needs summarizing.
SeqBlock &block = (*blocks)[i];
BlockFile *const file = block.f;
if(file->IsDataAvailable() && !file->IsSummaryAvailable())
{
file->Ref();
ODPCMAliasBlockFile *const odpcmaFile = static_cast<ODPCMAliasBlockFile*>(file);
odpcmaFile->SetStart(block.start);
odpcmaFile->SetClipOffset((sampleCount)(clip->GetStartTime()*clip->GetRate()));
//these will always be linear within a sequence-lets take advantage of this by keeping a cursor.
while(insertCursor<(int)tempBlocks.size()&&
(sampleCount)(tempBlocks[insertCursor]->GetStart()+tempBlocks[insertCursor]->GetClipOffset()) <
(sampleCount)(odpcmaFile->GetStart()+odpcmaFile->GetClipOffset()))
insertCursor++;
tempBlocks.insert(tempBlocks.begin() + insertCursor++, odpcmaFile);
}
}
node = node->GetNext();
}
}
}
mWaveTrackMutex.Unlock();
//get the NEW order.
mBlockFilesMutex.Lock();
OrderBlockFiles(tempBlocks);
mBlockFilesMutex.Unlock();
MarkUpdateRan();
}
bool Sequence::Delete(sampleCount start, sampleCount len)
{
if (len == 0)
return true;
if (len < 0 || start < 0 || start >= mNumSamples)
return false;
//TODO: add a ref-deref mechanism to SeqBlock/BlockArray so we don't have to make this a critical section.
//On-demand threads iterate over the mBlocks and the GUI thread deletes them, so for now put a mutex here over
//both functions,
LockDeleteUpdateMutex();
unsigned int numBlocks = mBlock->Count();
unsigned int newNumBlocks = 0;
unsigned int b0 = FindBlock(start);
unsigned int b1 = FindBlock(start + len - 1);
int sampleSize = SAMPLE_SIZE(mSampleFormat);
// Special case: if the samples to delete are all within a single
// block and the resulting length is not too small, perform the
// deletion within this block:
if (b0 == b1 && mBlock->Item(b0)->f->GetLength() - len >= mMinSamples) {
SeqBlock *b = mBlock->Item(b0);
sampleCount pos = start - b->start;
sampleCount newLen = b->f->GetLength() - len;
samplePtr buffer = NewSamples(newLen, mSampleFormat);
Read(buffer, mSampleFormat, b, 0, pos);
Read(buffer + (pos * sampleSize), mSampleFormat,
b, pos + len, newLen - pos);
SeqBlock *newBlock = new SeqBlock();
newBlock->start = b->start;
newBlock->f =
mDirManager->NewSimpleBlockFile(buffer, newLen, mSampleFormat);
mBlock->Item(b0) = newBlock;
for (unsigned int j = b0 + 1; j < numBlocks; j++)
mBlock->Item(j)->start -= len;
DeleteSamples(buffer);
mDirManager->Deref(b->f);
delete b;
mNumSamples -= len;
UnlockDeleteUpdateMutex();
return ConsistencyCheck(wxT("Delete - branch one"));
}
// Create a new array of blocks
BlockArray *newBlock = new BlockArray();
newBlock->Alloc(numBlocks - (b1 - b0) + 2);
// Copy the blocks before the deletion point over to
// the new array
unsigned int i;
for (i = 0; i < b0; i++) {
newBlock->Add(mBlock->Item(i));
newNumBlocks++;
}
// First grab the samples in block b0 before the deletion point
// into preBuffer. If this is enough samples for its own block,
// or if this would be the first block in the array, write it out.
// Otherwise combine it with the previous block (splitting them
// 50/50 if necessary).
SeqBlock *preBlock = mBlock->Item(b0);
sampleCount preBufferLen = start - preBlock->start;
if (preBufferLen) {
if (preBufferLen >= mMinSamples || b0 == 0) {
SeqBlock *insBlock = new SeqBlock();
insBlock->start = preBlock->start;
samplePtr preBuffer = NewSamples(preBufferLen, mSampleFormat);
Read(preBuffer, mSampleFormat, preBlock, 0, preBufferLen);
insBlock->f =
mDirManager->NewSimpleBlockFile(preBuffer, preBufferLen, mSampleFormat);
DeleteSamples(preBuffer);
newBlock->Add(insBlock);
newNumBlocks++;
if (b0 != b1) {
mDirManager->Deref(preBlock->f);
delete preBlock;
}
} else {
SeqBlock *prepreBlock = mBlock->Item(b0 - 1);
sampleCount prepreLen = prepreBlock->f->GetLength();
sampleCount sum = prepreLen + preBufferLen;
samplePtr sumBuffer = NewSamples(sum, mSampleFormat);
Read(sumBuffer, mSampleFormat, prepreBlock, 0, prepreLen);
Read(sumBuffer + prepreLen*sampleSize, mSampleFormat,
preBlock, 0, preBufferLen);
BlockArray *split = Blockify(sumBuffer, sum);
split->Item(0)->start += prepreBlock->start;
newBlock->Item(b0 - 1) = split->Item(0);
for (i = 1; i < split->Count(); i++) {
split->Item(i)->start += prepreBlock->start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
DeleteSamples(sumBuffer);
mDirManager->Deref(prepreBlock->f);
delete prepreBlock;
if (b0 != b1) {
mDirManager->Deref(preBlock->f);
delete preBlock;
}
}
} else {
// The sample where we begin deletion happens to fall
// right on the beginning of a block.
if (b0 != b1) {
mDirManager->Deref(mBlock->Item(b0)->f);
delete mBlock->Item(b0);
}
}
// Next, delete blocks strictly between b0 and b1
for (i = b0 + 1; i < b1; i++) {
mDirManager->Deref(mBlock->Item(i)->f);
delete mBlock->Item(i);
}
// Now, symmetrically, grab the samples in block b1 after the
// deletion point into postBuffer. If this is enough samples
// for its own block, or if this would be the last block in
// the array, write it out. Otherwise combine it with the
// subsequent block (splitting them 50/50 if necessary).
SeqBlock *postBlock = mBlock->Item(b1);
sampleCount postBufferLen =
(postBlock->start + postBlock->f->GetLength()) - (start + len);
if (postBufferLen) {
if (postBufferLen >= mMinSamples || b1 == numBlocks - 1) {
SeqBlock *insBlock = new SeqBlock();
insBlock->start = start;
samplePtr postBuffer = NewSamples(postBufferLen, mSampleFormat);
sampleCount pos = (start + len) - postBlock->start;
Read(postBuffer, mSampleFormat, postBlock, pos, postBufferLen);
insBlock->f =
mDirManager->NewSimpleBlockFile(postBuffer, postBufferLen, mSampleFormat);
DeleteSamples(postBuffer);
newBlock->Add(insBlock);
newNumBlocks++;
mDirManager->Deref(postBlock->f);
delete postBlock;
} else {
SeqBlock *postpostBlock = mBlock->Item(b1 + 1);
sampleCount postpostLen = postpostBlock->f->GetLength();
sampleCount sum = postpostLen + postBufferLen;
samplePtr sumBuffer = NewSamples(sum, mSampleFormat);
sampleCount pos = (start + len) - postBlock->start;
Read(sumBuffer, mSampleFormat, postBlock, pos, postBufferLen);
Read(sumBuffer + (postBufferLen * sampleSize), mSampleFormat,
postpostBlock, 0, postpostLen);
BlockArray *split = Blockify(sumBuffer, sum);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
b1++;
DeleteSamples(sumBuffer);
mDirManager->Deref(postpostBlock->f);
delete postpostBlock;
mDirManager->Deref(postBlock->f);
delete postBlock;
}
} else {
// The sample where we begin deletion happens to fall
// right on the end of a block.
mDirManager->Deref(mBlock->Item(b1)->f);
delete mBlock->Item(b1);
}
// Copy the remaining blocks over from the old array
for (i = b1 + 1; i < numBlocks; i++) {
mBlock->Item(i)->start -= len;
newBlock->Add(mBlock->Item(i));
newNumBlocks++;
}
// Substitute our new array for the old one
delete mBlock;
mBlock = newBlock;
// Update total number of samples and do a consistency check.
mNumSamples -= len;
UnlockDeleteUpdateMutex();
return ConsistencyCheck(wxT("Delete - branch two"));
}
bool Sequence::Paste(sampleCount s, const Sequence *src)
{
if (s < 0)
s = 0;
if (s >= mNumSamples)
s = mNumSamples;
// Quick check to make sure that it doesn't overflow
if (((double)mNumSamples) + ((double)src->mNumSamples) > wxLL(9223372036854775807))
return false;
BlockArray *srcBlock = src->mBlock;
sampleCount addedLen = src->mNumSamples;
unsigned int srcNumBlocks = srcBlock->Count();
int sampleSize = SAMPLE_SIZE(mSampleFormat);
if (addedLen == 0 || srcNumBlocks == 0)
return true;
unsigned int b = FindBlock(s);
unsigned int numBlocks = mBlock->Count();
if (numBlocks == 0 ||
(s == mNumSamples && mBlock->Item(numBlocks-1)->f->GetLength() >= mMinSamples)) {
// Special case: this track is currently empty, or it's safe to append
// onto the end because the current last block is longer than the
// minimum size
for (unsigned int i = 0; i < srcNumBlocks; i++)
AppendBlock(srcBlock->Item(i));
return ConsistencyCheck(wxT("Paste branch one"));
}
if (b >= 0 && b < numBlocks
&& mBlock->Item(b)->f->GetLength() + addedLen < mMaxSamples) {
// Special case: we can fit all of the new samples inside of
// one block!
samplePtr buffer = NewSamples(mMaxSamples, mSampleFormat);
int splitPoint = s - mBlock->Item(b)->start;
Read(buffer, mSampleFormat, mBlock->Item(b), 0, splitPoint);
src->Get(buffer + splitPoint*sampleSize,
mSampleFormat, 0, addedLen);
Read(buffer + (splitPoint + addedLen)*sampleSize,
mSampleFormat, mBlock->Item(b),
splitPoint, mBlock->Item(b)->f->GetLength() - splitPoint);
SeqBlock *largerBlock = new SeqBlock();
largerBlock->start = mBlock->Item(b)->start;
int largerBlockLen = mBlock->Item(b)->f->GetLength() + addedLen;
if (largerBlockLen > mMaxSamples)
largerBlockLen = mMaxSamples; // Prevent overruns, per NGS report for UmixIt.
largerBlock->f =
mDirManager->NewSimpleBlockFile(buffer, largerBlockLen, mSampleFormat);
mDirManager->Deref(mBlock->Item(b)->f);
delete mBlock->Item(b);
mBlock->Item(b) = largerBlock;
for (unsigned int i = b + 1; i < numBlocks; i++)
mBlock->Item(i)->start += addedLen;
mNumSamples += addedLen;
DeleteSamples(buffer);
return ConsistencyCheck(wxT("Paste branch two"));
}
// Case two: if we are inserting four or fewer blocks,
// it's simplest to just lump all the data together
// into one big block along with the split block,
// then resplit it all
unsigned int i;
BlockArray *newBlock = new BlockArray();
newBlock->Alloc(numBlocks + srcNumBlocks + 2);
int newNumBlocks = 0;
for (i = 0; i < b; i++) {
newBlock->Add(mBlock->Item(i));
newNumBlocks++;
}
SeqBlock *splitBlock = mBlock->Item(b);
sampleCount splitLen = mBlock->Item(b)->f->GetLength();
int splitPoint = s - splitBlock->start;
if (srcNumBlocks <= 4) {
sampleCount sum = splitLen + addedLen;
samplePtr sumBuffer = NewSamples(sum, mSampleFormat);
Read(sumBuffer, mSampleFormat, splitBlock, 0, splitPoint);
src->Get(sumBuffer + splitPoint * sampleSize,
mSampleFormat,
0, addedLen);
Read(sumBuffer + (splitPoint + addedLen) * sampleSize, mSampleFormat,
splitBlock, splitPoint,
splitBlock->f->GetLength() - splitPoint);
BlockArray *split = Blockify(sumBuffer, sum);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += splitBlock->start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
DeleteSamples(sumBuffer);
} else {
// The final case is that we're inserting at least five blocks.
// We divide these into three groups: the first two get merged
// with the first half of the split block, the middle ones get
// copied in as is, and the last two get merged with the last
// half of the split block.
sampleCount srcFirstTwoLen =
srcBlock->Item(0)->f->GetLength() + srcBlock->Item(1)->f->GetLength();
sampleCount leftLen = splitPoint + srcFirstTwoLen;
samplePtr leftBuffer = NewSamples(leftLen, mSampleFormat);
Read(leftBuffer, mSampleFormat, splitBlock, 0, splitPoint);
src->Get(leftBuffer + splitPoint*sampleSize,
mSampleFormat, 0, srcFirstTwoLen);
BlockArray *split = Blockify(leftBuffer, leftLen);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += splitBlock->start;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
DeleteSamples(leftBuffer);
for (i = 2; i < srcNumBlocks - 2; i++) {
SeqBlock *insertBlock = new SeqBlock();
insertBlock->start = srcBlock->Item(i)->start + s;
insertBlock->f = mDirManager->CopyBlockFile(srcBlock->Item(i)->f);
if (!insertBlock->f) {
// TODO error: Could not paste! (Out of disk space?)
return false;
}
newBlock->Add(insertBlock);
newNumBlocks++;
}
sampleCount srcLastTwoLen =
srcBlock->Item(srcNumBlocks - 2)->f->GetLength() +
srcBlock->Item(srcNumBlocks - 1)->f->GetLength();
sampleCount rightSplit = splitBlock->f->GetLength() - splitPoint;
sampleCount rightLen = rightSplit + srcLastTwoLen;
samplePtr rightBuffer = NewSamples(rightLen, mSampleFormat);
sampleCount lastStart = srcBlock->Item(srcNumBlocks - 2)->start;
src->Get(rightBuffer, mSampleFormat,
lastStart, srcLastTwoLen);
Read(rightBuffer + srcLastTwoLen * sampleSize, mSampleFormat,
splitBlock, splitPoint, rightSplit);
sampleCount pos = s + lastStart;
split = Blockify(rightBuffer, rightLen);
for (i = 0; i < split->Count(); i++) {
split->Item(i)->start += pos;
newBlock->Add(split->Item(i));
newNumBlocks++;
}
delete split;
DeleteSamples(rightBuffer);
}
mDirManager->Deref(splitBlock->f);
delete splitBlock;
// Copy remaining blocks to new block array and
// swap the new block array in for the old
for (i = b + 1; i < numBlocks; i++) {
mBlock->Item(i)->start += addedLen;
newBlock->Add(mBlock->Item(i));
newNumBlocks++;
}
delete mBlock;
mBlock = newBlock;
mNumSamples += addedLen;
return ConsistencyCheck(wxT("Paste branch three"));
}
// Given a project and a list of aliased files that should no
// longer be self-contained (selected by the user), replace
// all of those alias block files with disk block files
bool RemoveDependencies(AudacityProject *project,
AliasedFileArray *aliasedFiles)
{
DirManager *dirManager = project->GetDirManager();
GetActiveProject()->ProgressShow(_("Removing Dependencies"),
_("Copying audio data into project..."));
AliasedFileHash aliasedFileHash;
ReplacedBlockFileHash blockFileHash;
double totalBytesToProcess = 0.0;
double completedBytes = 0.0;
unsigned int i;
for(i=0; i<aliasedFiles->GetCount(); i++) {
totalBytesToProcess += (double)aliasedFiles->Item(i).bytes;
wxString fileNameStr = aliasedFiles->Item(i).fileName.GetFullPath();
aliasedFileHash[fileNameStr] = &aliasedFiles->Item(i);
}
sampleFormat format = project->GetDefaultFormat();
BlockArray blocks;
GetAllSeqBlocks(project, &blocks);
for(i=0; i<blocks.GetCount(); i++) {
BlockFile *f = blocks[i]->f;
if (f->IsAlias() && !blockFileHash[f]) {
AliasBlockFile *aliasBlockFile = (AliasBlockFile *)f;
wxFileName fileName = aliasBlockFile->GetAliasedFile();
wxString fileNameStr = fileName.GetFullPath();
if (!aliasedFileHash[fileNameStr])
continue;
// Convert it from an aliased file to an actual file in the project
unsigned int len = aliasBlockFile->GetLength();
samplePtr buffer = NewSamples(len, format);
f->ReadData(buffer, format, 0, len);
BlockFile *newBlockFile =
dirManager->NewSimpleBlockFile(buffer, len, format);
DeleteSamples(buffer);
// Update our hash so we know what block files we've done
blockFileHash[f] = newBlockFile;
// Update the progress bar
completedBytes += (double)SAMPLE_SIZE(format) * len;
int progressValue =
(int)(completedBytes * 1000.0 / totalBytesToProcess);
GetActiveProject()->ProgressUpdate(progressValue);
}
}
// Above, we created a SimpleBlockFile contained in our project
// to go with each AliasBlockFile that we wanted to migrate.
// However, that didn't actually change any references to these
// blockfiles in the Sequences, so we do that next...
ReplaceBlockFiles(project, blockFileHash);
// Subtract one from reference count of new block files; they're
// now all referenced the proper number of times by the Sequences
ReplacedBlockFileHash::iterator it;
for( it = blockFileHash.begin(); it != blockFileHash.end(); ++it )
{
BlockFile *f = it->second;
dirManager->Deref(f);
}
GetActiveProject()->ProgressHide();
return true;
}
