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bail out in case of missing descriptors

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Change-Id: I7c231367a4b5ef2d15fd1a7af2c2a6c1d51c9460
Reviewed-on: http://codereview.qt-project.org/6279
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
This commit is contained in:
hawcroft
2011-10-10 13:55:02 +10:00
committed by Qt by Nokia
parent adca03adfd
commit cee992cdd6
1 changed files with 4 additions and 3 deletions
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7
src/multimedia/effects/qwavedecoder_p.cpp
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@@ -106,6 +106,7 @@ qint64 QWaveDecoder::writeData(const char *data, qint64 len)
void QWaveDecoder::handleData()
{
bool valid = true;
if (state == QWaveDecoder::InitialState) {
if (source->bytesAvailable() < qint64(sizeof(RIFFHeader)))
return;
@@ -125,7 +126,7 @@ void QWaveDecoder::handleData()
}
if (state == QWaveDecoder::WaitingForFormatState) {
if (findChunk("fmt ")) {
if (valid = findChunk("fmt ")) {
chunk descriptor;
source->peek(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
@@ -158,7 +159,7 @@ void QWaveDecoder::handleData()
}
if (state == QWaveDecoder::WaitingForDataState) {
if (findChunk("data")) {
if (valid = findChunk("data")) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
chunk descriptor;
@@ -173,7 +174,7 @@ void QWaveDecoder::handleData()
}
}
if (source->atEnd()) {
if (source->atEnd() || !valid) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();