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taglib: update to 1.12
update 1.11.1 (2016-10-24) to 1.12 (2021-02-15) release notes: https://github.com/taglib/taglib/releases remove incorporated patch
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@ -2,8 +2,8 @@
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# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
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PKG_NAME="taglib"
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PKG_VERSION="1.11.1"
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PKG_SHA256="b6d1a5a610aae6ff39d93de5efd0fdc787aa9e9dc1e7026fa4c961b26563526b"
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PKG_VERSION="1.12"
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PKG_SHA256="7fccd07669a523b07a15bd24c8da1bbb92206cb19e9366c3692af3d79253b703"
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PKG_LICENSE="LGPL"
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PKG_SITE="http://taglib.github.com/"
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PKG_URL="http://taglib.github.io/releases/${PKG_NAME}-${PKG_VERSION}.tar.gz"
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@ -1,72 +0,0 @@
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From d2e0e5522308ce4c905c205c7bf5972ea71cd6e5 Mon Sep 17 00:00:00 2001
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From: Tsuda Kageyu <tsuda.kageyu@gmail.com>
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Date: Fri, 20 Jan 2017 21:14:38 +0900
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Subject: [PATCH] Efficient lookup for an ID3v2 tag in MPEG files with garbage.
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This looks for an ID3v2 tag until reaching the first valid MPEG frame in O(n) time.
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---
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taglib/mpeg/mpegfile.cpp | 45 +++++++++++++++++++++++++++++----------------
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1 file changed, 29 insertions(+), 16 deletions(-)
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diff --git a/taglib/mpeg/mpegfile.cpp b/taglib/mpeg/mpegfile.cpp
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index af7253f..c634eeb 100644
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--- a/taglib/mpeg/mpegfile.cpp
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+++ b/taglib/mpeg/mpegfile.cpp
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@@ -488,28 +488,41 @@ long MPEG::File::findID3v2()
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const ByteVector headerID = ID3v2::Header::fileIdentifier();
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seek(0);
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+ if(readBlock(headerID.size()) == headerID)
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+ return 0;
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- const ByteVector data = readBlock(headerID.size());
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- if(data.size() < headerID.size())
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+ Header firstHeader(this, 0, true);
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+ if(firstHeader.isValid())
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return -1;
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- if(data == headerID)
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- return 0;
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+ // Look for an ID3v2 tag until reaching the first valid MPEG frame.
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- if(firstSyncByte(data[0]) && secondSynchByte(data[1]))
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- return -1;
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+ char frameSyncBytes[2] = {};
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+ char tagHeaderBytes[4] = {};
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+ long position = 0;
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- // Look for the entire file, if neither an MEPG frame or ID3v2 tag was found
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- // at the beginning of the file.
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- // We don't care about the inefficiency of the code, since this is a seldom case.
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+ while(true) {
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+ seek(position);
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+ const ByteVector buffer = readBlock(bufferSize());
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+ if(buffer.isEmpty())
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+ return -1;
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- const long tagOffset = find(headerID);
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- if(tagOffset < 0)
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- return -1;
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+ for(unsigned int i = 0; i < buffer.size(); ++i) {
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+ frameSyncBytes[0] = frameSyncBytes[1];
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+ frameSyncBytes[1] = buffer[i];
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+ if(firstSyncByte(frameSyncBytes[0]) && secondSynchByte(frameSyncBytes[1])) {
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+ Header header(this, position + i - 1, true);
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+ if(header.isValid())
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+ return -1;
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+ }
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- const long frameOffset = firstFrameOffset();
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- if(frameOffset < tagOffset)
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- return -1;
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+ tagHeaderBytes[0] = tagHeaderBytes[1];
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+ tagHeaderBytes[1] = tagHeaderBytes[2];
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+ tagHeaderBytes[2] = buffer[i];
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+ if(headerID == tagHeaderBytes)
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+ return position + i - 2;
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+ }
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- return tagOffset;
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+ position += bufferSize();
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+ }
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}
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