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winegstreamer: Avoid seeking past the end of an IMFByteStream. 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51837
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-10-06 11:46:35 -05:00 committed by Alexandre Julliard
parent 585acfa041
commit 3efb72de5a
1 changed files with 8 additions and 0 deletions
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8
dlls/winegstreamer/media_source.c
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@ -639,6 +639,14 @@ static DWORD CALLBACK read_thread(void *arg)
else if (offset + size >= file_size) else if (offset + size >= file_size)
size = file_size - offset; size = file_size - offset;
/* Some IMFByteStreams (including the standard file-based stream) return
* an error when reading past the file size. */
if (!size)
{
wg_parser_push_data(source->wg_parser, data, 0);
continue;
}
if (!array_reserve(&data, &buffer_size, size, 1)) if (!array_reserve(&data, &buffer_size, size, 1))
{ {
free(data); free(data);