class AudioFileSource;
class IO;
-class AudioDiskstream : public Diskstream
+class LIBARDOUR_API AudioDiskstream : public Diskstream
{
public:
AudioDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable);
}
void set_record_enabled (bool yn);
+ void set_record_safe (bool yn);
int set_destructive (bool yn);
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>);
int remove_channel (uint32_t how_many);
bool set_name (std::string const &);
+ bool set_write_source_name (const std::string& str);
/* stateful */
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:
friend class Session;
void set_block_size (pframes_t);
int internal_playback_seek (framecnt_t distance);
int can_internal_playback_seek (framecnt_t distance);
- std::list<boost::shared_ptr<Source> > steal_write_sources();
void reset_write_sources (bool, bool force = false);
void non_realtime_input_change ();
void non_realtime_locate (framepos_t location);
protected:
friend class Auditioner;
- int seek (framepos_t which_sample, bool complete_refill = false);
-
- protected:
friend class AudioTrack;
+ int seek (framepos_t which_sample, bool complete_refill = false);
- int process (framepos_t transport_frame, pframes_t nframes, bool& need_butler);
- bool commit (framecnt_t nframes);
+ int process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_disk_signal);
+ frameoffset_t calculate_playback_distance (pframes_t nframes);
+ 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);
+ CubicInterpolation interpolation;
/* The two central butler operations */
int do_flush (RunContext context, bool force = false);
- int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
+ int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer, 0); }
- int do_refill_with_alloc ();
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();
- static size_t _working_buffers_size;
static Sample* _mixdown_buffer;
static gain_t* _gain_buffer;
SerializedRCUManager<ChannelList> channels;
+ protected:
+ int _do_refill_with_alloc (bool one_chunk_only);
+
/* really */
private:
- int _do_refill (Sample *mixdown_buffer, float *gain_buffer);
+ int _do_refill (Sample *mixdown_buffer, float *gain_buffer, framecnt_t fill_level);
int add_channel_to (boost::shared_ptr<ChannelList>, uint32_t how_many);
int remove_channel_from (boost::shared_ptr<ChannelList>, uint32_t how_many);