X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Faudio_diskstream.h;h=4106602b63e5e372c7d29e03ec7717e41a4deeae;hb=90172686b92b53cc5ab1d60c0e6daecb65d17d3d;hp=cb70903d13b59e22750b5b3d7781ebf76dbecece;hpb=bca0450c188cdac82fbc74d05b5d72aff9115646;p=ardour.git diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h index cb70903d13..4106602b63 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 @@ -29,19 +28,19 @@ #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; @@ -55,73 +54,80 @@ 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 { - 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 ? (*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; + 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) { - 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 (boost::shared_ptr); 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 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; } boost::shared_ptr write_source (uint32_t n=0) { - if (n < channels.size()) - return channels[n].write_source; + 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, int version); void monitor_input (bool); @@ -141,6 +147,8 @@ class AudioDiskstream : public Diskstream } } + CubicInterpolation interpolation; + XMLNode* deprecated_io_node; protected: @@ -154,92 +162,106 @@ 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 internal_playback_seek (framecnt_t distance); + int can_internal_playback_seek (framecnt_t distance); int rename_write_sources (); + 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 (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); + int process (framepos_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler); bool commit (nframes_t nframes); private: - struct ChannelInfo { - - ChannelInfo (); - ~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; - - float peak_power; - - boost::shared_ptr fades_source; - boost::shared_ptr 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 - nframes_t curr_capture_cnt; + struct ChannelInfo : public boost::noncopyable { + + ChannelInfo (nframes_t playback_buffer_size, + nframes_t capture_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; + + void resize_playback (nframes_t); + void resize_capture (nframes_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, nframes_t cnt, + ChannelInfo* channel_info, int channel, bool reversed); - void finish_capture (bool rec_monitors_input); - void transport_stopped (struct tm&, time_t, bool abort); + void finish_capture (bool rec_monitors_input, boost::shared_ptr); + void transport_stopped_wallclock (struct tm&, time_t, bool abort); + void transport_looped (framepos_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 (); @@ -252,13 +274,16 @@ class AudioDiskstream : public Diskstream static gain_t* _gain_buffer; std::vector > capturing_sources; - - typedef vector ChannelList; - ChannelList channels; - + + 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