pcm_float_converter_t *self = (pcm_float_converter_t *)reader;
const pcm_sample_description_t *sfmt = pcm_get_format(self->src);
nframes = pcm_read_frames(self->src, buffer, nframes);
pcm_float_converter_t *self = (pcm_float_converter_t *)reader;
const pcm_sample_description_t *sfmt = pcm_get_format(self->src);
nframes = pcm_read_frames(self->src, buffer, nframes);