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a few checks and fixes

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5735 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2003-12-23 00:09:39 +00:00
parent 228c585f82
commit a665f2f9e1
1 changed files with 16 additions and 1 deletions
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17
src/add-ons/media/plugins/au_reader/au_reader.cpp
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@ -75,11 +75,26 @@ auReader::Sniff(int32 *streamCount)
TRACE(" sampling_rate %ld\n", UINT32(header.sampling_rate));
TRACE(" channel_count %ld\n", UINT32(header.channel_count));
fDataStart = 28 + UINT32(header.data_start);
fDataStart = UINT32(header.data_start);
fDataSize = UINT32(header.data_size);
fChannelCount = UINT32(header.channel_count);
fFrameRate = UINT32(header.sampling_rate);
fFormatCode = UINT32(header.data_format);
if (fDataStart > filesize) {
TRACE("auReader::Sniff: data start too large\n");
return B_ERROR;
}
if (fDataStart + fDataSize > filesize)
fDataSize = filesize - fDataStart;
if (fDataSize < 1) {
TRACE("auReader::Sniff: data size too small\n");
return B_ERROR;
}
if (fChannelCount < 1)
fChannelCount = 1;
if (fFrameRate < 1)
fFrameRate = 44100;
switch (fFormatCode) {
case SND_FORMAT_UNSPECIFIED: TRACE("SND_FORMAT_UNSPECIFIED\n"); break;