X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Faudio_diskstream.h;h=ab7c27c4f3697d47e689ebbe5f8ce8964d13777b;hb=cd2047cbffc5e0270acab555364bb9d958fe7927;hp=92c8e82df82b91dabef2af1503a0f03101855615;hpb=d6637dad5a239d74038fdf9e5800e5108ba0c44f;p=ardour.git diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h index 92c8e82df8..ab7c27c4f3 100644 --- a/libs/ardour/ardour/audio_diskstream.h +++ b/libs/ardour/ardour/audio_diskstream.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2000-2006 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 @@ -19,7 +19,6 @@ #ifndef __ardour_audio_diskstream_h__ #define __ardour_audio_diskstream_h__ -#include #include #include @@ -29,20 +28,19 @@ #include -#include -#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; @@ -56,45 +54,29 @@ 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&); ~AudioDiskstream(); float playback_buffer_load() const; float capture_buffer_load() const; - string input_source (uint32_t n=0) const { + std::string input_source (uint32_t n=0) const { boost::shared_ptr c = channels.reader(); if (n < c->size()) { - return (*c)[n]->source ? (*c)[n]->source->name() : ""; + return (*c)[n]->source.name; } else { - return ""; + return ""; } } - Port *input_source_port (uint32_t n=0) const { - boost::shared_ptr c = channels.reader(); - if (n < c->size()) return (*c)[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; - 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 (boost::shared_ptr); @@ -107,7 +89,7 @@ class AudioDiskstream : public Diskstream return (*c)[n]->current_playback_buffer; return 0; } - + Sample *capture_buffer (uint32_t n = 0) { boost::shared_ptr c = channels.reader(); if (n < c->size()) @@ -124,11 +106,13 @@ class AudioDiskstream : public Diskstream 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); @@ -140,58 +124,8 @@ class AudioDiskstream : public Diskstream } } - static void swap_by_ptr (Sample *first, Sample *last, nframes_t n) { - while (n--) { - Sample tmp = *first; - *first++ = *last; - *last-- = tmp; - } - } - - 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; + CubicInterpolation interpolation; - 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; @@ -202,98 +136,112 @@ class AudioDiskstream : public Diskstream void set_pending_overwrite(bool); int overwrite_existing_buffers (); - 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 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 (nframes_t location); + void non_realtime_locate (framepos_t location); protected: friend class Auditioner; - int seek (nframes_t which_sample, bool complete_refill = false); + int seek (framepos_t which_sample, bool complete_refill = false); protected: friend class AudioTrack; - int process (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input); - bool commit (nframes_t nframes); + int process (framepos_t transport_frame, pframes_t nframes, framecnt_t &); + bool commit (framecnt_t); private: + struct ChannelSource { + std::string name; - struct ChannelInfo { - - 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; + bool is_physical () const; + void ensure_monitor_input (bool) const; + }; + + /** 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; + + boost::shared_ptr write_source; + + /** 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 *playback_buf; + PBD::RingBufferNPT *capture_buf; + + Sample* scrub_buffer; + Sample* scrub_forward_buffer; + Sample* scrub_reverse_buffer; + + PBD::RingBufferNPT::rw_vector playback_vector; + PBD::RingBufferNPT::rw_vector capture_vector; + + PBD::RingBufferNPT * capture_transition_buf; + // the following are used in the butler thread only + framecnt_t curr_capture_cnt; + + void resize_playback (framecnt_t); + void resize_capture (framecnt_t); }; typedef std::vector ChannelList; - void process_varispeed_playback(nframes_t nframes, boost::shared_ptr 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 read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, - nframes_t& start, nframes_t cnt, - ChannelInfo* channel_info, int channel, bool reversed); + framepos_t& start, framecnt_t cnt, + int channel, bool reversed); + void finish_capture (boost::shared_ptr); + void transport_stopped_wallclock (struct tm&, time_t, bool abort); + void transport_looped (framepos_t transport_frame); - 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); - - 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 find_and_use_playlist (const string&); + int find_and_use_playlist (const std::string &); void allocate_temporary_buffers (); int use_pending_capture_data (XMLNode& node); void get_input_sources (); - void check_record_status (nframes_t transport_frame, 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 (); @@ -306,9 +254,9 @@ class AudioDiskstream : public Diskstream static gain_t* _gain_buffer; std::vector > capturing_sources; - + SerializedRCUManager channels; - + /* really */ private: int _do_refill (Sample *mixdown_buffer, float *gain_buffer);