urlmon: Added image/pjpeg mime filter.

dlls/urlmon/urlmon_main.c

@@ -416,6 +416,11 @@ static BOOL text_html_filter(LPVOID buf, DWORD size)
     return FALSE;
 }
 
+static BOOL image_pjpeg_filter(LPVOID buf, DWORD size)
+{
+    return size > 2 && *(BYTE*)buf == 0xff && *((BYTE*)buf+1) == 0xd8;
+}
+
 static BOOL text_plain_filter(LPVOID buf, DWORD size)
 {
     UCHAR *ptr;
@@ -468,6 +473,7 @@ HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
         int i = 0;
 
         static const WCHAR wszTextHtml[] = {'t','e','x','t','/','h','t','m','l',0};
+        static const WCHAR wszImagePjpeg[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
         static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
         static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
             'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
@@ -477,6 +483,7 @@ HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
             BOOL (*filter)(LPVOID,DWORD);
         } mime_filters[] = {
             {wszTextHtml,       text_html_filter},
+            {wszImagePjpeg,     image_pjpeg_filter},
             {wszTextPlain,      text_plain_filter},
             {wszAppOctetStream, application_octet_stream_filter}
         };