enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps);
int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
-extern const AVCodecTag ff_codec_bmp_tags[];
+extern av_export const AVCodecTag ff_codec_bmp_tags[];
extern const AVCodecTag ff_codec_wav_tags[];
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);