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ksdeviceprovider: Fix crash while probing device caps

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Ignore unexpected media type reported by driver, instead of abort

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6081>
This commit is contained in:
Seungha Yang 2024-02-09 20:27:29 +09:00 committed by GStreamer Marge Bot
parent a1cbe351ec
commit b4ee86d1e7
1 changed files with 13 additions and 2 deletions
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15
subprojects/gst-plugins-bad/sys/winks/ksvideohelpers.c
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@ -531,9 +531,20 @@ ks_video_probe_filter_for_caps (HANDLE filter_handle)
entry = NULL; entry = NULL;
} }
if (entry != NULL) { /* XXX: We've been doing g_assert (entry->sample_size != 0)
g_assert (entry->sample_size != 0); * since more than 10 years ago, but it's quite questionable.
* According to MS documentation,
* SampleSize field in KSDATARANGE struct is ignored,
* and biSizeImage in KS_BITMAPINFOHEADER is required only if
* compression is used. (driver maybe set zero for raw image).
* But since we've expected the value shouldn't be zero,
* let's ignore a media type with entry->sample_size == 0 for now.
* Actually people should not use this plugin in newly written code
* anymore */
if (entry && entry->sample_size == 0)
g_clear_pointer (&entry, ks_video_media_type_free);
if (entry != NULL) {
if (src_vscc != NULL) { if (src_vscc != NULL) {
memcpy ((gpointer) & entry->vscc, src_vscc, memcpy ((gpointer) & entry->vscc, src_vscc,
sizeof (entry->vscc)); sizeof (entry->vscc));