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Download more pieces in "Download first and last pieces first" feature

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ngosang
2015-09-18 04:58:16 +02:00
committed by ngosang
parent 193913129f
commit 6b6411d06b
3 changed files with 14 additions and 4 deletions
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14
src/base/bittorrent/torrenthandle.cpp
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@@ -1143,6 +1143,8 @@ void TorrentHandle::setFirstLastPiecePriority(bool b)
std::vector<int> fp;
SAFE_GET(fp, file_priorities);
std::vector<int> pp;
SAFE_GET(pp, piece_priorities);
// Download first and last pieces first for all media files in the torrent
int nbfiles = static_cast<int>(fp.size());
@@ -1151,14 +1153,22 @@ void TorrentHandle::setFirstLastPiecePriority(bool b)
const QString ext = Utils::Fs::fileExtension(path);
if (Utils::Misc::isPreviewable(ext) && (fp[index] > 0)) {
qDebug() << "File" << path << "is previewable, toggle downloading of first/last pieces first";
// Determine the priority to set
int prio = b ? 7 : fp[index];
QPair<int, int> extremities = fileExtremityPieces(index);
SAFE_CALL(piece_priority, extremities.first, prio);
SAFE_CALL(piece_priority, extremities.second, prio);
// worst case: AVI index = 1% of total file size (at the end of the file)
int nNumPieces = ceil(fileSize(index) * 0.01 / pieceLength());
for (int i = 0; i < nNumPieces; ++i) {
pp[extremities.first + i] = prio;
pp[extremities.second - i] = prio;
}
}
}
SAFE_CALL(prioritize_pieces, pp);
}
void TorrentHandle::toggleFirstLastPiecePriority()