X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Faudio_diskstream.h;h=8f081ab58dbca91d8f26888ab674a8546b1d06e9;hb=022818b4a796f52c0a91eea42e65aec0bc7bed43;hp=c4a942a5d7dbb8155ee71b1aa8ae0b544ecfe6e4;hpb=8277d134b9733aee344782891c99f07114384d9e;p=ardour.git diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h index c4a942a5d7..8f081ab58d 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 @@ -14,8 +14,6 @@ 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__ @@ -34,16 +32,14 @@ #include #include #include +#include #include #include -#include -#include -#include -#include #include #include #include +#include struct tm; @@ -61,83 +57,78 @@ class AudioDiskstream : public Diskstream public: AudioDiskstream (Session &, const 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() : ""; + boost::shared_ptr 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 c = channels.reader(); + if (n < c->size()) return (*c)[n]->source; return 0; } - void set_record_enabled (bool yn, void *src); - //void set_speed (double); + 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 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 audio_playlist () { return boost::dynamic_pointer_cast(_playlist); } - 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); /* stateful */ XMLNode& get_state(void); - int set_state(const XMLNode& node); + int set_state(const XMLNode& node); 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; @@ -146,7 +137,7 @@ class AudioDiskstream : public Diskstream } } - static void swap_by_ptr (Sample *first, Sample *last, jack_nframes_t n) { + static void swap_by_ptr (Sample *first, Sample *last, nframes_t n) { while (n--) { Sample tmp = *first; *first++ = *last; @@ -154,26 +145,50 @@ class AudioDiskstream : public Diskstream } } - //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; - - int set_loop (Location *loc); - sigc::signal LoopSet; + XMLNode* deprecated_io_node; - std::list& last_capture_regions () { - return _last_capture_regions; - } + /** + * 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; + } - void handle_input_change (IOChange, void *src); + Sample fractional_phase_part; - const PBD::ID& id() const { return _id; } + i = 0; + phase = the_last_phase; - XMLNode* deprecated_io_node; + 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; @@ -184,125 +199,120 @@ 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); + void set_block_size (nframes_t); + int internal_playback_seek (nframes_t distance); + int can_internal_playback_seek (nframes_t distance); 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; - int seek (jack_nframes_t which_sample, bool complete_refill = false); + int seek (nframes_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 (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input); + bool commit (nframes_t nframes); private: - /* use unref() to destroy a diskstream */ - ~AudioDiskstream(); - struct ChannelInfo { - - Sample *playback_wrap_buffer; - Sample *capture_wrap_buffer; - Sample *speed_buffer; - - float peak_power; - - AudioFileSource *fades_source; - AudioFileSource *write_source; - - Port *source; - Sample *current_capture_buffer; - Sample *current_playback_buffer; - - RingBufferNPT *playback_buf; - RingBufferNPT *capture_buf; - - Sample* scrub_buffer; - Sample* scrub_forward_buffer; - Sample* scrub_reverse_buffer; - - RingBufferNPT::rw_vector playback_vector; - RingBufferNPT::rw_vector capture_vector; - - RingBufferNPT * capture_transition_buf; - // the following are used in the butler thread only - jack_nframes_t curr_capture_cnt; + + ChannelInfo (nframes_t buffer_size, nframes_t speed_buffer_size, nframes_t wrap_buffer_size); + ~ChannelInfo (); + + Sample *playback_wrap_buffer; + Sample *capture_wrap_buffer; + Sample *speed_buffer; + + float peak_power; + + boost::shared_ptr fades_source; + boost::shared_ptr write_source; + + /// the Port that our audio data comes from + Port *source; + Sample *current_capture_buffer; + Sample *current_playback_buffer; + + RingBufferNPT *playback_buf; + RingBufferNPT *capture_buf; + + Sample* scrub_buffer; + Sample* scrub_forward_buffer; + Sample* scrub_reverse_buffer; + + RingBufferNPT::rw_vector playback_vector; + RingBufferNPT::rw_vector capture_vector; + + RingBufferNPT * capture_transition_buf; + // the following are used in the butler thread only + nframes_t curr_capture_cnt; }; - typedef vector ChannelList; - - /* the two central butler operations */ + typedef std::vector ChannelList; - int do_flush (char * workbuf, bool force = false); - int do_refill (Sample *mixdown_buffer, float *gain_buffer, char *workbuf); + void process_varispeed_playback(nframes_t nframes, boost::shared_ptr c); - virtual int non_realtime_do_refill() { return do_refill(0, 0, 0); } - - 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); + /* 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_with_alloc (); - /* XXX fix this redundancy ... */ + int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, + nframes_t& start, nframes_t cnt, + ChannelInfo* channel_info, int channel, bool reversed); - //void playlist_changed (Change); - //void playlist_modified (); - void playlist_deleted (Playlist*); - void session_controls_changed (Session::ControlType) {} // FIXME? - void finish_capture (bool rec_monitors_input); - void clean_up_capture (struct tm&, time_t, bool abort) {} // FIXME? + void finish_capture (bool rec_monitors_input, boost::shared_ptr); void transport_stopped (struct tm&, time_t, bool abort); + void transport_looped (nframes_t transport_frame); - struct CaptureInfo { - uint32_t start; - uint32_t frames; - }; - - vector capture_info; - Glib::Mutex capture_info_lock; - void init (Diskstream::Flag); 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&); 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 check_record_status (nframes_t transport_frame, nframes_t nframes, bool can_record); void set_align_style_from_io(); void setup_destructive_playlist (); void use_destructive_playlist (); - ChannelList channels; - AudioPlaylist* _playlist; - void engage_record_enable (void* src); - void disengage_record_enable (void* src); + 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