504 	sampleoffset_t const internal_offset = position - _position;  in read_at()  local
506 	if (internal_offset >= _length) {  in read_at()
510 	if ((to_read = min (cnt, _length - internal_offset)) == 0) {  in read_at()
542 		if (internal_offset < fade_in_length) {  in read_at()
543 			fade_in_limit = min (to_read, fade_in_length - internal_offset);  in read_at()
570 		fade_interval_start = max (internal_offset, _length - samplecnt_t (_fade_out->when(false)));  in read_at()
571 		samplecnt_t fade_interval_end = min(internal_offset + to_read, _length.val());  in read_at()
576 			fade_out_offset = fade_interval_start - internal_offset;  in read_at()
593 		_envelope->curve().get_vector (internal_offset, internal_offset + to_read, gain_buffer, to_read);  in read_at()
626 …_inverse_fade_in->curve().get_vector (internal_offset, internal_offset + fade_in_limit, gain_buffe…  in read_at()
635 …_fade_in->curve().get_vector (internal_offset, internal_offset + fade_in_limit, gain_buffer, fade_…  in read_at()
643 …_fade_in->curve().get_vector (internal_offset, internal_offset + fade_in_limit, gain_buffer, fade_…  in read_at()
650 …_fade_in->curve().get_vector (internal_offset, internal_offset + fade_in_limit, gain_buffer, fade_…  in read_at()
733 	sampleoffset_t const internal_offset = position - _position;  in read_from_sources()  local
734 	if (internal_offset >= limit) {  in read_from_sources()
738 	samplecnt_t const to_read = min (cnt, limit - internal_offset);  in read_from_sources()
746 		if (src->read (buf, _start + internal_offset, to_read) != to_read) {  in read_from_sources()
763 			if (src->read (buf, _start + internal_offset, to_read) != to_read) {  in read_from_sources()