make it possible to log all messages, including 'TRACE' level, even w…

…hen we have called suspend_nonfatal_logging

git-svn-id: https://xpra.org/svn/Xpra/trunk@26750 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/codecs/libav_common/av_log.pyx

@@ -7,9 +7,11 @@
 
 from xpra.os_util import bytestostr
 from xpra.util import nonl
-from xpra.log import Logger
+from xpra.log import Logger, is_debug_enabled
 log = Logger("libav")
 
+LIBAV_DEBUG = is_debug_enabled("libav")
+
 
 cdef extern from "libavutil/error.h":
     int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
@@ -74,6 +76,8 @@ cdef void log_callback_override(void *avcl, int level, const char *fmt, va_list
     elif level<=DEBUG_LEVEL:
         l = log.debug
     else:
+        if LIBAV_DEBUG:
+            l = log.debug
         #don't bother
         return
     #turn it into a string: