ff_planar_sample_fmts  293 libavfilter/af_channelmap.c         (ret = ff_set_common_formats     (ctx             , ff_planar_sample_fmts()             )) < 0 ||
ff_planar_sample_fmts  115 libavfilter/af_channelsplit.c     if ((ret = ff_set_common_formats(ctx, ff_planar_sample_fmts())) < 0 ||
ff_planar_sample_fmts  239 libavfilter/af_join.c     if ((ret = ff_set_common_formats(ctx, ff_planar_sample_fmts())) < 0 ||
ff_planar_sample_fmts  238 libavfilter/formats.h AVFilterFormats *ff_planar_sample_fmts(void);