X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Faudio_diskstream.h;h=be43142f218b189bc2dcf97f6eb86d708ff55099;hb=04416e2d1df3cc8d9f014765e5ca5ce818b7b4d7;hp=9355a3fccbf7a815aa5d2e8eb7f446382c24efb3;hpb=7ff370e79895d7eb293e7214689b791bd98415fb;p=ardour.git diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h index 9355a3fccb..be43142f21 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_diskstream_h__ -#define __ardour_diskstream_h__ +#ifndef __ardour_audio_diskstream_h__ +#define __ardour_audio_diskstream_h__ -#include #include #include @@ -31,18 +28,19 @@ #include -#include -#include - +#include + +#include "pbd/fastlog.h" +#include "pbd/ringbufferNPT.h" +#include "pbd/stateful.h" +#include "pbd/rcu.h" -#include -#include -#include -#include -#include -#include -#include -#include +#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; @@ -55,147 +53,68 @@ class AudioPlaylist; class AudioFileSource; class IO; -class AudioDiskstream : public Stateful, public sigc::trackable -{ +class AudioDiskstream : public Diskstream +{ public: - enum Flag { - Recordable = 0x1, - Hidden = 0x2, - Destructive = 0x4 - }; - - AudioDiskstream (Session &, const string& name, Flag f = Recordable); + AudioDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable); AudioDiskstream (Session &, const XMLNode&); - - string name() const { return _name; } - - ARDOUR::IO* io() const { return _io; } - 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_flag (Flag f) { - _flags |= f; - } - - void unset_flag (Flag f) { - _flags &= ~f; - } - - AlignStyle alignment_style() const { return _alignment_style; } - void set_align_style (AlignStyle); - void set_persistent_align_style (AlignStyle); - - bool hidden() const { return _flags & Hidden; } - bool recordable() const { return _flags & Recordable; } - bool destructive() const { return _flags & Destructive; } - - void set_destructive (bool yn); - - jack_nframes_t roll_delay() const { return _roll_delay; } - void set_roll_delay (jack_nframes_t); - - int set_name (string str, void* src); - - 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, void *src); - bool record_enabled() const { return g_atomic_int_get (&_record_enabled); } - void punch_in (); - void punch_out (); + 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; - bool reversed() const { return _actual_speed < 0.0f; } - double speed() const { return _visible_speed; } - void set_speed (double); - - 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(); - } - } + boost::shared_ptr audio_playlist () { return boost::dynamic_pointer_cast(_playlist); } - int use_playlist (AudioPlaylist *); + int use_playlist (boost::shared_ptr); int use_new_playlist (); int use_copy_playlist (); - void start_scrub (jack_nframes_t where); - void end_scrub (); - - Sample *playback_buffer (uint32_t n=0) { - if (n < channels.size()) - return channels[n].current_playback_buffer; - return 0; - } - - Sample *capture_buffer (uint32_t n=0) { - if (n < channels.size()) - return channels[n].current_capture_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; } - AudioPlaylist *playlist () { return _playlist; } - - AudioFileSource *write_source (uint32_t n=0) { - if (n < channels.size()) - return channels[n].write_source; + 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; } - jack_nframes_t current_capture_start() const { return capture_start_frame; } - jack_nframes_t current_capture_end() const { return capture_start_frame + capture_captured; } - jack_nframes_t get_capture_start_frame (uint32_t n=0); - jack_nframes_t get_captured_frames (uint32_t n=0); - - uint32_t n_channels() { return _n_channels; } - - int add_channel (); - int remove_channel (); - - static void set_disk_io_chunk_frames (uint32_t n) { - disk_io_chunk_frames = n; + 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(); } - static jack_nframes_t disk_io_frames() { return disk_io_chunk_frames; } - - sigc::signal record_enable_changed; - sigc::signal speed_changed; - sigc::signal reverse_changed; - sigc::signal PlaylistChanged; - sigc::signal AlignmentStyleChanged; + int add_channel (uint32_t how_many); + int remove_channel (uint32_t how_many); - static sigc::signal DiskOverrun; - static sigc::signal DiskUnderrun; - static sigc::signal AudioDiskstreamCreated; // XXX use a ref with sigc2 - static sigc::signal*> DeleteSources; + 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); - - jack_nframes_t capture_offset() const { return _capture_offset; } - void set_capture_offset (); + void request_jack_monitors_input (bool); static void swap_by_ptr (Sample *first, Sample *last) { while (first < last) { @@ -205,29 +124,7 @@ class AudioDiskstream : public Stateful, public sigc::trackable } } - static void swap_by_ptr (Sample *first, Sample *last, jack_nframes_t n) { - while (n--) { - Sample tmp = *first; - *first++ = *last; - *last-- = tmp; - } - } - - bool slaved() const { return _slaved; } - void set_slaved(bool yn) { _slaved = yn; } - - int set_loop (Location *loc); - sigc::signal LoopSet; - - std::list& last_capture_regions () { - return _last_capture_regions; - } - - void handle_input_change (IOChange, void *src); - - id_t id() const { return _id; } - - XMLNode* deprecated_io_node; + CubicInterpolation interpolation; protected: friend class Session; @@ -237,211 +134,138 @@ class AudioDiskstream : public Stateful, public sigc::trackable while they are called. */ - void set_pending_overwrite (bool); + void set_pending_overwrite(bool); int overwrite_existing_buffers (); - void reverse_scrub_buffer (bool to_forward); - 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 (); - - uint32_t read_data_count() const { return _read_data_count; } - uint32_t write_data_count() const { return _write_data_count; } + 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; - void prepare (); - 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); - void recover (); /* called if commit will not be called, but process was */ + 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(); - - enum TransitionType { - CaptureStart = 0, - CaptureEnd + bool is_physical () const; + void request_jack_monitors_input (bool) const; }; - - struct CaptureTransition { - TransitionType type; - // the start or end file frame pos - jack_nframes_t capture_val; - }; - - struct ChannelInfo { + /** Information about one of our channels */ + struct ChannelInfo : public boost::noncopyable { + + 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; - - - string _name; - ARDOUR::Session& _session; - ARDOUR::IO* _io; - ChannelList channels; - uint32_t _n_channels; - id_t _id; - - mutable gint _record_enabled; - AudioPlaylist* _playlist; - double _visible_speed; - double _actual_speed; - /* items needed for speed change logic */ - bool _buffer_reallocation_required; - bool _seek_required; - - bool force_refill; - jack_nframes_t capture_start_frame; - jack_nframes_t capture_captured; - bool was_recording; - jack_nframes_t adjust_capture_position; - jack_nframes_t _capture_offset; - jack_nframes_t _roll_delay; - jack_nframes_t first_recordable_frame; - jack_nframes_t last_recordable_frame; - int last_possibly_recording; - AlignStyle _alignment_style; - bool _scrubbing; - bool _slaved; - bool _processed; - Location* loop_location; - jack_nframes_t overwrite_frame; - off_t overwrite_offset; - bool pending_overwrite; - bool overwrite_queued; - IOChange input_change_pending; - jack_nframes_t wrap_buffer_size; - jack_nframes_t speed_buffer_size; - - uint64_t last_phase; - uint64_t phi; - - jack_nframes_t file_frame; - jack_nframes_t playback_sample; - jack_nframes_t playback_distance; - - uint32_t _read_data_count; - uint32_t _write_data_count; - - bool in_set_state; - AlignStyle _persistent_alignment_style; - bool first_input_change; - - Glib::Mutex state_lock; - - jack_nframes_t scrub_start; - jack_nframes_t scrub_buffer_size; - jack_nframes_t scrub_offset; - uint32_t _refcnt; - - sigc::connection ports_created_c; - sigc::connection plmod_connection; - sigc::connection plstate_connection; - sigc::connection plgone_connection; - - /* the two central butler operations */ - - int do_flush (char * workbuf, bool force = false); - int do_refill (Sample *mixdown_buffer, float *gain_buffer, char *workbuf); - - 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); - - uint32_t i_am_the_modifier; - - /* XXX fix this redundancy ... */ - - void playlist_changed (Change); - void playlist_modified (); - void playlist_deleted (Playlist*); - void session_controls_changed (Session::ControlType); - - void finish_capture (bool rec_monitors_input); - void clean_up_capture (struct tm&, time_t, bool abort); - void transport_stopped (struct tm&, time_t, bool abort); - - struct CaptureInfo { - uint32_t start; - uint32_t frames; + void resize_playback (framecnt_t); + void resize_capture (framecnt_t); }; - vector capture_info; - Glib::Mutex capture_info_lock; - - void init (Flag); + typedef std::vector ChannelList; - void init_channel (ChannelInfo &chan); - void destroy_channel (ChannelInfo &chan); - - static jack_nframes_t disk_io_chunk_frames; + /* The two central butler operations */ + int do_flush (RunContext context, bool force = false); + int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); } - int use_new_write_source (uint32_t n=0); - int use_new_fade_source (uint32_t n=0); + int do_refill_with_alloc (); - int find_and_use_playlist (const string&); + int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, + framepos_t& start, framecnt_t cnt, + int channel, bool reversed); - void allocate_temporary_buffers (); + void finish_capture (boost::shared_ptr); + void transport_stopped_wallclock (struct tm&, time_t, bool abort); + void transport_looped (framepos_t transport_frame); + + void init (); - unsigned char _flags; + void init_channel (ChannelInfo &chan); + void destroy_channel (ChannelInfo &chan); - int create_input_port (); - int connect_input_port (); - int seek_unlocked (jack_nframes_t which_sample); + int use_new_write_source (uint32_t n=0); - int ports_created (); + int find_and_use_playlist (const std::string &); - bool realtime_set_speed (double, bool global_change); - void non_realtime_set_speed (); + void allocate_temporary_buffers (); - 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 (); + + 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_diskstream_h__ */ +#endif /* __ardour_audio_diskstream_h__ */