[PATCH v2 4/5] winegstreamer: Avoid seeking past the end of an IMFByteStream.
Zebediah Figura
zfigura at codeweavers.com
Wed Oct 6 11:46:35 CDT 2021
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51837
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
dlls/winegstreamer/media_source.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/dlls/winegstreamer/media_source.c b/dlls/winegstreamer/media_source.c
index dab85e4689d..6ecd345cb73 100644
--- a/dlls/winegstreamer/media_source.c
+++ b/dlls/winegstreamer/media_source.c
@@ -639,6 +639,14 @@ static DWORD CALLBACK read_thread(void *arg)
else if (offset + size >= file_size)
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))
{
free(data);
--
2.33.0
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