X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=libs%2Fardour%2Fardour%2Faudio_diskstream.h;h=ab7c27c4f3697d47e689ebbe5f8ce8964d13777b;hb=cd2047cbffc5e0270acab555364bb9d958fe7927;hp=d1833d01a5773dbb0908649baa01ef87d3c1b27d;hpb=fe13d08874f08b723df53116e5655c3d229a657e;p=ardour.git diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h index d1833d01a5..ab7c27c4f3 100644 --- a/libs/ardour/ardour/audio_diskstream.h +++ b/libs/ardour/ardour/audio_diskstream.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2000 Paul Davis + Copyright (C) 2000-2006 Paul Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -14,14 +14,11 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id: diskstream.h 579 2006-06-12 19:56:37Z essej $ */ #ifndef __ardour_audio_diskstream_h__ #define __ardour_audio_diskstream_h__ -#include #include #include @@ -31,19 +28,20 @@ #include -#include -#include - - -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include + +#include "pbd/fastlog.h" +#include "pbd/ringbufferNPT.h" +#include "pbd/stateful.h" +#include "pbd/rcu.h" + +#include "ardour/ardour.h" +#include "ardour/utils.h" +#include "ardour/diskstream.h" +#include "ardour/audioplaylist.h" +#include "ardour/port.h" +#include "ardour/interpolation.h" + struct tm; namespace ARDOUR { @@ -56,87 +54,68 @@ class AudioFileSource; class IO; class AudioDiskstream : public Diskstream -{ +{ public: - AudioDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable); + AudioDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable); AudioDiskstream (Session &, const XMLNode&); - - void set_io (ARDOUR::IO& io); - - AudioDiskstream& ref() { _refcnt++; return *this; } - //void unref() { if (_refcnt) _refcnt--; if (_refcnt == 0) delete this; } - //uint32_t refcnt() const { return _refcnt; } + ~AudioDiskstream(); float playback_buffer_load() const; float capture_buffer_load() const; - //void set_align_style (AlignStyle); - //void set_persistent_align_style (AlignStyle); - - string input_source (uint32_t n=0) const { - if (n < channels.size()) { - return channels[n].source ? channels[n].source->name() : ""; + std::string input_source (uint32_t n=0) const { + boost::shared_ptr c = channels.reader(); + if (n < c->size()) { + return (*c)[n]->source.name; } else { - return ""; + return ""; } } - Port *input_source_port (uint32_t n=0) const { - if (n < channels.size()) return channels[n].source; return 0; - } + void set_record_enabled (bool yn); + int set_destructive (bool yn); + int set_non_layered (bool yn); + bool can_become_destructive (bool& requires_bounce) const; - void set_record_enabled (bool yn, void *src); - //void set_speed (double); + boost::shared_ptr audio_playlist () { return boost::dynamic_pointer_cast(_playlist); } - float peak_power(uint32_t n=0) { - float x = channels[n].peak_power; - channels[n].peak_power = 0.0f; - if (x > 0.0f) { - return 20.0f * fast_log10(x); - } else { - return minus_infinity(); - } - } - - int use_playlist (Playlist *); + int use_playlist (boost::shared_ptr); int use_new_playlist (); int use_copy_playlist (); - void start_scrub (jack_nframes_t where) {} // FIXME? - void end_scrub () {} // FIXME? - - Playlist *playlist () { return _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 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 c = channels.reader(); + if (n < c->size()) + return (*c)[n]->current_capture_buffer; return 0; } - AudioFileSource *write_source (uint32_t n=0) { - if (n < channels.size()) - return channels[n].write_source; - return 0; + boost::shared_ptr write_source (uint32_t n=0) { + boost::shared_ptr c = channels.reader(); + if (n < c->size()) + return (*c)[n]->write_source; + return boost::shared_ptr(); } - int add_channel (); - int remove_channel (); - - + int add_channel (uint32_t how_many); + int remove_channel (uint32_t how_many); + + bool set_name (std::string const &); + /* stateful */ XMLNode& get_state(void); - int set_state(const XMLNode& node); + int set_state(const XMLNode& node, int version); void monitor_input (bool); - // FIXME: these don't belong here static void swap_by_ptr (Sample *first, Sample *last) { while (first < last) { Sample tmp = *first; @@ -145,20 +124,7 @@ class AudioDiskstream : public Diskstream } } - static void swap_by_ptr (Sample *first, Sample *last, jack_nframes_t n) { - while (n--) { - Sample tmp = *first; - *first++ = *last; - *last-- = tmp; - } - } - - //void handle_input_change (IOChange, void *src); - - //static sigc::signal DiskOverrun; - //static sigc::signal DiskUnderrun; - //static sigc::signal AudioDiskstreamCreated; // XXX use a ref with sigc2 - static sigc::signal*> DeleteSources; + CubicInterpolation interpolation; protected: friend class Session; @@ -170,126 +136,136 @@ class AudioDiskstream : public Diskstream void set_pending_overwrite(bool); int overwrite_existing_buffers (); - void reverse_scrub_buffer (bool to_forward) {} // FIXME? - void set_block_size (jack_nframes_t); - int internal_playback_seek (jack_nframes_t distance); - int can_internal_playback_seek (jack_nframes_t distance); - int rename_write_sources (); + void set_block_size (pframes_t); + int internal_playback_seek (framecnt_t distance); + int can_internal_playback_seek (framecnt_t distance); + std::list > 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 (jack_nframes_t which_sample, bool complete_refill = false); + int seek (framepos_t which_sample, bool complete_refill = false); protected: friend class AudioTrack; - int process (jack_nframes_t transport_frame, jack_nframes_t nframes, jack_nframes_t offset, bool can_record, bool rec_monitors_input); - bool commit (jack_nframes_t nframes); + int process (framepos_t transport_frame, pframes_t nframes, framecnt_t &); + bool commit (framecnt_t); private: + struct ChannelSource { + std::string name; - /* use unref() to destroy a diskstream */ - ~AudioDiskstream(); + bool is_physical () const; + void ensure_monitor_input (bool) const; + }; + + /** Information about one of our channels */ + struct ChannelInfo : public boost::noncopyable { - struct ChannelInfo { + ChannelInfo (framecnt_t playback_buffer_size, + framecnt_t capture_buffer_size, + framecnt_t speed_buffer_size, + framecnt_t wrap_buffer_size); + ~ChannelInfo (); Sample *playback_wrap_buffer; Sample *capture_wrap_buffer; Sample *speed_buffer; - float peak_power; + boost::shared_ptr write_source; - AudioFileSource *fades_source; - AudioFileSource *write_source; + /** Information about the Port that our audio data comes from */ + ChannelSource source; - Port *source; Sample *current_capture_buffer; Sample *current_playback_buffer; - RingBufferNPT *playback_buf; - RingBufferNPT *capture_buf; + /** A ringbuffer for data to be played back, written to in the + butler thread, read from in the process thread. + */ + PBD::RingBufferNPT *playback_buf; + PBD::RingBufferNPT *capture_buf; Sample* scrub_buffer; Sample* scrub_forward_buffer; Sample* scrub_reverse_buffer; - RingBufferNPT::rw_vector playback_vector; - RingBufferNPT::rw_vector capture_vector; + PBD::RingBufferNPT::rw_vector playback_vector; + PBD::RingBufferNPT::rw_vector capture_vector; - RingBufferNPT * capture_transition_buf; + PBD::RingBufferNPT * capture_transition_buf; // the following are used in the butler thread only - jack_nframes_t curr_capture_cnt; - }; + framecnt_t curr_capture_cnt; - typedef vector ChannelList; - - /* the two central butler operations */ - - int do_flush (char * workbuf, bool force = false); - int do_refill (Sample *mixdown_buffer, float *gain_buffer, char *workbuf); - - virtual int non_realtime_do_refill() { return do_refill(0, 0, 0); } + void resize_playback (framecnt_t); + void resize_capture (framecnt_t); + }; - int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, char * workbuf, jack_nframes_t& start, jack_nframes_t cnt, - ChannelInfo& channel_info, int channel, bool reversed); + typedef std::vector ChannelList; - /* XXX fix this redundancy ... */ + /* The two central butler operations */ + int do_flush (RunContext context, bool force = false); + int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); } - //void playlist_changed (Change); - //void playlist_modified (); - void playlist_deleted (Playlist*); - void session_controls_changed (Session::ControlType) {} // FIXME? + int do_refill_with_alloc (); - void finish_capture (bool rec_monitors_input); - void clean_up_capture (struct tm&, time_t, bool abort) {} // FIXME? - void transport_stopped (struct tm&, time_t, bool abort); + int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, + framepos_t& start, framecnt_t cnt, + int channel, bool reversed); - struct CaptureInfo { - uint32_t start; - uint32_t frames; - }; + void finish_capture (boost::shared_ptr); + void transport_stopped_wallclock (struct tm&, time_t, bool abort); + void transport_looped (framepos_t transport_frame); - vector capture_info; - Glib::Mutex capture_info_lock; - - void init (Diskstream::Flag); + void init (); void init_channel (ChannelInfo &chan); void destroy_channel (ChannelInfo &chan); - + int use_new_write_source (uint32_t n=0); - int use_new_fade_source (uint32_t n=0) { return 0; } // FIXME? - int find_and_use_playlist (const string&); + int find_and_use_playlist (const std::string &); void allocate_temporary_buffers (); - int create_input_port () { return 0; } // FIXME? - int connect_input_port () { return 0; } // FIXME? - int seek_unlocked (jack_nframes_t which_sample) { return 0; } // FIXME? - - int ports_created () { return 0; } // FIXME? - - //bool realtime_set_speed (double, bool global_change); - void non_realtime_set_speed (); - - std::list _last_capture_regions; - std::vector capturing_sources; int use_pending_capture_data (XMLNode& node); void get_input_sources (); - void check_record_status (jack_nframes_t transport_frame, jack_nframes_t nframes, bool can_record); + void prepare_record_status(framepos_t capture_start_frame); void set_align_style_from_io(); void setup_destructive_playlist (); void use_destructive_playlist (); - - ChannelList channels; - AudioPlaylist* _playlist; + void adjust_playback_buffering (); + void adjust_capture_buffering (); + + void engage_record_enable (); + void disengage_record_enable (); + + // 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; + + std::vector > capturing_sources; + + SerializedRCUManager channels; + + /* really */ + private: + int _do_refill (Sample *mixdown_buffer, float *gain_buffer); + + int add_channel_to (boost::shared_ptr, uint32_t how_many); + int remove_channel_from (boost::shared_ptr, uint32_t how_many); + }; -}; /* namespace ARDOUR */ +} // namespace ARDOUR #endif /* __ardour_audio_diskstream_h__ */