FFMPEG - Multi-version support (#270)

* FFMPEG 5.X - Support

* FFMPEG 5.X - Support

* FFMPEG - Multiversion support

* FFMPEG - Support FFMPEG AVCODEC > 58.134.X

utils/video_demuxer.h

@@ -26,6 +26,9 @@ THE SOFTWARE.
 extern "C" {
     #include <libavcodec/avcodec.h>
     #include <libavformat/avformat.h>
+    #if USE_AVCODEC_GREATER_THAN_58_134
+        #include <libavcodec/bsf.h>
+    #endif
 }
 
 #include "rocdecode.h"