- void silence (framecnt_t len, framecnt_t offset = 0) {
- if (!_silent) {
- assert(_capacity > 0);
- assert(offset + len <= _capacity);
- memset(_data + offset, 0, sizeof (Sample) * len);
- if (len == _capacity) {
- _silent = true;
- }
+ void silence (framecnt_t len, framecnt_t offset = 0);
+
+ /** Read @a len frames @a src starting at @a src_offset into self starting at @ dst_offset*/
+ void read_from (const Sample* src, framecnt_t len, framecnt_t dst_offset = 0, framecnt_t src_offset = 0) {
+ assert(src != 0);
+ assert(_capacity > 0);
+ assert(len <= _capacity);
+ memcpy(_data + dst_offset, src + src_offset, sizeof(Sample) * len);
+ _silent = false;
+ _written = true;
+ }
+
+ void read_from_with_gain (const Sample* src, framecnt_t len, gain_t gain, framecnt_t dst_offset = 0, framecnt_t src_offset = 0) {
+ assert(src != 0);
+ assert(_capacity > 0);
+ assert(len <= _capacity);
+ src += src_offset;
+ for (framecnt_t n = 0; n < len; ++n) {
+ _data[dst_offset+n] = src[n] * gain;