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libs: video: Add protection against null strings

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Check and assert if input for gst_video_format_from_string is null.
Return GST_VIDEO_FORMAT_UNKNOWN as a fallback
This commit is contained in:
Thiago Santos 2011-10-09 14:21:28 -03:00
parent d15756105a
commit 123671bc05
1 changed files with 2 additions and 0 deletions
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2
gst-libs/gst/video/video.c
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@ -535,6 +535,8 @@ gst_video_format_from_string (const gchar * format)
{
guint i;
g_return_val_if_fail (format != NULL, GST_VIDEO_FORMAT_UNKNOWN);
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
if (strcmp (GST_VIDEO_FORMAT_INFO_NAME (&formats[i].info), format) == 0)
return GST_VIDEO_FORMAT_INFO_FORMAT (&formats[i].info);