Fixed error on 64Bit machines, added ffmpeg ifdefs and infos

1 files changed, 4 insertions, 0 deletions

diff --git a/decoder.h b/decoder.h
index 49bac5d..f35ddfe 100644
--- a/decoder.h
+++ b/decoder.h
@@ -30,6 +30,10 @@ extern "C"
 {
 #include <libavcodec/avcodec.h>
 
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
+#warning H264 parsing may be broken, better use libavcodec52
+#endif
+
 #if LIBAVCODEC_VERSION_INT < ((52<<16)+(23<<8)+0)
 #include <libavformat/avformat.h>
 #endif