int set_non_layered (bool yn);
bool can_become_destructive (bool& requires_bounce) const;
- float peak_power(uint32_t n = 0) {
- boost::shared_ptr<ChannelList> c = channels.reader();
- ChannelInfo* chaninfo = (*c)[n];
- float x = chaninfo->peak_power;
- chaninfo->peak_power = 0.0f;
- if (x > 0.0f) {
- return 20.0f * fast_log10(x);
- } else {
- return minus_infinity();
- }
- }
-
boost::shared_ptr<AudioPlaylist> audio_playlist () { return boost::dynamic_pointer_cast<AudioPlaylist>(_playlist); }
int use_playlist (boost::shared_ptr<Playlist>);
XMLNode& get_state(void);
int set_state(const XMLNode& node, int version);
- void monitor_input (bool);
+ void request_input_monitoring (bool);
static void swap_by_ptr (Sample *first, Sample *last) {
while (first < last) {
}
}
- static void swap_by_ptr (Sample *first, Sample *last, framecnt_t n) {
- while (n--) {
- Sample tmp = *first;
- *first++ = *last;
- *last-- = tmp;
- }
- }
-
CubicInterpolation interpolation;
protected:
protected:
friend class AudioTrack;
- int process (framepos_t transport_frame, pframes_t nframes, bool can_record, bool& need_butler);
- bool commit (framecnt_t nframes);
+ int process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_disk_signal);
+ bool commit (framecnt_t);
private:
struct ChannelSource {
std::string name;
bool is_physical () const;
- void ensure_monitor_input (bool) const;
+ void request_input_monitoring (bool) const;
};
+ /** Information about one of our channels */
struct ChannelInfo : public boost::noncopyable {
ChannelInfo (framecnt_t playback_buffer_size,
Sample *capture_wrap_buffer;
Sample *speed_buffer;
- float peak_power;
-
boost::shared_ptr<AudioFileSource> write_source;
- /// information the Port that our audio data comes from
-
+ /** Information about the Port that our audio data comes from */
ChannelSource source;
Sample *current_capture_buffer;
Sample *current_playback_buffer;
+ /** A ringbuffer for data to be played back, written to in the
+ butler thread, read from in the process thread.
+ */
PBD::RingBufferNPT<Sample> *playback_buf;
PBD::RingBufferNPT<Sample> *capture_buf;
typedef std::vector<ChannelInfo*> ChannelList;
- void process_varispeed_playback (pframes_t nframes, boost::shared_ptr<ChannelList> c);
-
/* The two central butler operations */
int do_flush (RunContext context, bool force = false);
int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
framepos_t& start, framecnt_t cnt,
- ChannelInfo* channel_info, int channel, bool reversed);
+ int channel, bool reversed);
void finish_capture (boost::shared_ptr<ChannelList>);
void transport_stopped_wallclock (struct tm&, time_t, bool abort);
void adjust_playback_buffering ();
void adjust_capture_buffering ();
- void engage_record_enable ();
- void disengage_record_enable ();
-
+ bool prep_record_enable ();
+ bool prep_record_disable ();
+
// Working buffers for do_refill (butler thread)
static void allocate_working_buffers();
static void free_working_buffers();