#define PCMDEF_0(name_, long_name_, ext, codec)
#define PCMDEF_1(name_, long_name_, ext, codec) \
-AVOutputFormat ff_pcm_ ## name_ ## _muxer = { \
+const AVOutputFormat ff_pcm_ ## name_ ## _muxer = { \
.name = #name_, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
.extensions = ext, \