#include <pbd/fastlog.h>
#include <pbd/ringbufferNPT.h>
#include <pbd/stateful.h>
+#include <pbd/rcu.h>
#include <ardour/ardour.h>
#include <ardour/configuration.h>
-#include <ardour/session.h>
-#include <ardour/route_group.h>
-#include <ardour/route.h>
-#include <ardour/port.h>
#include <ardour/utils.h>
#include <ardour/diskstream.h>
#include <ardour/audioplaylist.h>
+#include <ardour/port.h>
struct tm;
float capture_buffer_load() const;
string input_source (uint32_t n=0) const {
- if (n < channels.size()) {
- return channels[n].source ? channels[n].source->name() : "";
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size()) {
+ return (*c)[n]->source ? (*c)[n]->source->name() : "";
} else {
return "";
}
}
Port *input_source_port (uint32_t n=0) const {
- if (n < channels.size()) return channels[n].source; return 0;
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size()) return (*c)[n]->source; return 0;
}
void set_record_enabled (bool yn);
int set_destructive (bool yn);
bool can_become_destructive (bool& requires_bounce) const;
- float peak_power(uint32_t n=0) {
- float x = channels[n].peak_power;
- channels[n].peak_power = 0.0f;
+ 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 {
int use_new_playlist ();
int use_copy_playlist ();
- Sample *playback_buffer (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].current_playback_buffer;
+ Sample *playback_buffer (uint32_t n = 0) {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size())
+ return (*c)[n]->current_playback_buffer;
return 0;
}
- Sample *capture_buffer (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].current_capture_buffer;
+ Sample *capture_buffer (uint32_t n = 0) {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size())
+ return (*c)[n]->current_capture_buffer;
return 0;
}
boost::shared_ptr<AudioFileSource> write_source (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].write_source;
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size())
+ return (*c)[n]->write_source;
return boost::shared_ptr<AudioFileSource>();
}
- int add_channel ();
- int remove_channel ();
-
+ int add_channel (uint32_t how_many);
+ int remove_channel (uint32_t how_many);
/* stateful */
XMLNode* deprecated_io_node;
+ /**
+ * Calculate the playback distance during varispeed playback.
+ * Important for Session::process to know exactly, how many frames
+ * were passed by.
+ */
+ static nframes_t calculate_varispeed_playback_distance(
+ nframes_t nframes,
+ uint64_t& the_last_phase,
+ uint64_t& the_phi,
+ uint64_t& the_target_phi)
+ {
+ // calculate playback distance in the same way
+ // as in AudioDiskstream::process_varispeed_playback
+ uint64_t phase = the_last_phase;
+ int64_t phi_delta;
+ nframes_t i = 0;
+
+ const int64_t fractional_part_mask = 0xFFFFFF;
+ const Sample binary_scaling_factor = 16777216.0f;
+
+ if (the_phi != the_target_phi) {
+ phi_delta = ((int64_t)(the_target_phi - the_phi)) / nframes;
+ } else {
+ phi_delta = 0;
+ }
+
+ Sample fractional_phase_part;
+
+ i = 0;
+ phase = the_last_phase;
+
+ for (nframes_t outsample = 0; outsample < nframes; ++outsample) {
+ i = phase >> 24;
+ fractional_phase_part = (phase & fractional_part_mask) / binary_scaling_factor;
+ phase += the_phi + phi_delta;
+ }
+
+ the_last_phase = (phase & fractional_part_mask);
+ the_phi = the_target_phi;
+ return i; // + 1;
+ }
+
protected:
friend class Session;
int rename_write_sources ();
void reset_write_sources (bool, bool force = false);
void non_realtime_input_change ();
+ void non_realtime_locate (nframes_t location);
protected:
friend class Auditioner;
struct ChannelInfo {
- ChannelInfo ();
+ ChannelInfo (nframes_t buffer_size, nframes_t speed_buffer_size, nframes_t wrap_buffer_size);
~ChannelInfo ();
- void init (nframes_t buffer_size, nframes_t speed_buffer_size, nframes_t wrap_buffer_size);
- void release ();
-
Sample *playback_wrap_buffer;
Sample *capture_wrap_buffer;
Sample *speed_buffer;
boost::shared_ptr<AudioFileSource> fades_source;
boost::shared_ptr<AudioFileSource> write_source;
-
+
+ /// the Port that our audio data comes from
Port *source;
Sample *current_capture_buffer;
Sample *current_playback_buffer;
nframes_t curr_capture_cnt;
};
+ typedef std::vector<ChannelInfo*> ChannelList;
+
+ void process_varispeed_playback(nframes_t nframes, boost::shared_ptr<ChannelList> c);
+
/* The two central butler operations */
- int do_flush (Session::RunContext context, bool force = false);
+ int do_flush (RunContext context, bool force = false);
int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
- int do_refill_with_alloc();
+ int do_refill_with_alloc ();
int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
- nframes_t& start, nframes_t cnt,
- ChannelInfo& channel_info, int channel, bool reversed);
+ nframes_t& start, nframes_t cnt,
+ ChannelInfo* channel_info, int channel, bool reversed);
- void finish_capture (bool rec_monitors_input);
+
+ void finish_capture (bool rec_monitors_input, boost::shared_ptr<ChannelList>);
void transport_stopped (struct tm&, time_t, bool abort);
+ void transport_looped (nframes_t transport_frame);
void init (Diskstream::Flag);
static Sample* _mixdown_buffer;
static gain_t* _gain_buffer;
- // Uh, /really/ private? (there should probably be less friends of Diskstream)
- int _do_refill (Sample *mixdown_buffer, float *gain_buffer);
-
-
std::vector<boost::shared_ptr<AudioFileSource> > capturing_sources;
- typedef vector<ChannelInfo> ChannelList;
- ChannelList channels;
+ SerializedRCUManager<ChannelList> channels;
+
+ /* really */
+ private:
+ int _do_refill (Sample *mixdown_buffer, float *gain_buffer);
+
+ int add_channel_to (boost::shared_ptr<ChannelList>, uint32_t how_many);
+ int remove_channel_from (boost::shared_ptr<ChannelList>, uint32_t how_many);
+
};
} // namespace ARDOUR
projects / ardour.git / blobdiff