Merge branch 'feature/wrapavcodec'

diff --cc src/io/source_avcodec.c
index 2803990,ebb9ba5..f0be674
--- 1/src/io/source_avcodec.c
--- 2/src/io/source_avcodec.c
+++ b/src/io/source_avcodec.c
@@@ -430,12 -448,10 +448,12 @@@ void aubio_source_avcodec_readframe(aub
  #if LIBAVUTIL_VERSION_MAJOR > 52
    if (avFrame->channels != (sint_t)s->input_channels) {
      AUBIO_WRN ("source_avcodec: trying to read from %d channel(s),"
-         "but configured for %d; is '%s' corrupt?\n", avFrame->channels,
-         s->input_channels, s->path);
+         "but configured for %d; is '%s' corrupt?\n",
+         avFrame->channels, s->input_channels, s->path);
      goto beach;
    }
 +#else
 +#warning "avutil < 53 is deprecated, crashes might occur on corrupt files"
  #endif
  
  #ifdef HAVE_AVRESAMPLE