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Diffstat (limited to 'libs/ardour/ardour/audio_diskstream.h')
-rw-r--r-- | libs/ardour/ardour/audio_diskstream.h | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h deleted file mode 100644 index 21541c6fb8..0000000000 --- a/libs/ardour/ardour/audio_diskstream.h +++ /dev/null @@ -1,270 +0,0 @@ -/* - 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 - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - 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. -*/ - -#ifndef __ardour_audio_diskstream_h__ -#define __ardour_audio_diskstream_h__ - - -#include <cmath> -#include <string> -#include <queue> -#include <map> -#include <vector> - -#include <time.h> - -#include <boost/utility.hpp> - -#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 { - -class AudioEngine; -class Send; -class Session; -class AudioPlaylist; -class AudioFileSource; -class IO; - -class LIBARDOUR_API AudioDiskstream : public Diskstream -{ - public: - 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; - - std::string input_source (uint32_t n=0) const { - boost::shared_ptr<ChannelList> c = channels.reader(); - if (n < c->size()) { - return (*c)[n]->source.name; - } else { - return ""; - } - } - - void set_record_enabled (bool yn); - void set_record_safe (bool yn); - - boost::shared_ptr<AudioPlaylist> audio_playlist () { return boost::dynamic_pointer_cast<AudioPlaylist>(_playlist); } - - int use_playlist (boost::shared_ptr<Playlist>); - int use_new_playlist (); - int use_copy_playlist (); - - Sample *playback_buffer (uint32_t n = 0) { - boost::shared_ptr<ChannelList> c = channels.reader(); - if (n < c->size()) - return (*c)[n]->current_playback_buffer; - return 0; - } - - Sample *capture_buffer (uint32_t n = 0) { - boost::shared_ptr<ChannelList> c = channels.reader(); - if (n < c->size()) - return (*c)[n]->current_capture_buffer; - return 0; - } - - boost::shared_ptr<AudioFileSource> write_source (uint32_t n=0) { - boost::shared_ptr<ChannelList> c = channels.reader(); - if (n < c->size()) - return (*c)[n]->write_source; - return boost::shared_ptr<AudioFileSource>(); - } - - int add_channel (uint32_t how_many); - int remove_channel (uint32_t how_many); - - bool set_name (std::string const &); - bool set_write_source_name (const std::string& str); - - /* stateful */ - - XMLNode& get_state(void); - int set_state(const XMLNode& node, int version); - - void request_input_monitoring (bool); - - static void swap_by_ptr (Sample *first, Sample *last) { - while (first < last) { - Sample tmp = *first; - *first++ = *last; - *last-- = tmp; - } - } - - - protected: - friend class Session; - - /* the Session is the only point of access for these - because they require that the Session is "inactive" - while they are called. - */ - - void set_pending_overwrite(bool); - int overwrite_existing_buffers (); - void set_block_size (pframes_t); - int internal_playback_seek (framecnt_t distance); - int can_internal_playback_seek (framecnt_t distance); - void reset_write_sources (bool, bool force = false); - void non_realtime_input_change (); - void non_realtime_locate (framepos_t location); - - protected: - friend class Auditioner; - friend class AudioTrack; - int seek (framepos_t which_sample, bool complete_refill = false); - - int process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_disk_signal); - frameoffset_t calculate_playback_distance (pframes_t nframes); - bool commit (framecnt_t); - - private: - struct ChannelSource { - std::string name; - - bool is_physical () const; - void request_input_monitoring (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<AudioFileSource> 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<Sample> *playback_buf; - PBD::RingBufferNPT<Sample> *capture_buf; - - Sample* scrub_buffer; - Sample* scrub_forward_buffer; - Sample* scrub_reverse_buffer; - - PBD::RingBufferNPT<Sample>::rw_vector playback_vector; - PBD::RingBufferNPT<Sample>::rw_vector capture_vector; - - PBD::RingBufferNPT<CaptureTransition> * 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<ChannelInfo*> ChannelList; - - CubicInterpolation interpolation; - - /* The two central butler operations */ - int do_flush (RunContext context, bool force = false); - int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer, 0); } - - - int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, - framepos_t& start, framecnt_t cnt, - int channel, bool reversed); - - void finish_capture (boost::shared_ptr<ChannelList>); - void transport_stopped_wallclock (struct tm&, time_t, bool abort); - void transport_looped (framepos_t transport_frame); - - 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 std::string &); - - void allocate_temporary_buffers (); - - int use_pending_capture_data (XMLNode& node); - - void get_input_sources (); - 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 (); - - bool prep_record_enable (); - bool prep_record_disable (); - - // Working buffers for do_refill (butler thread) - static void allocate_working_buffers(); - static void free_working_buffers(); - - static Sample* _mixdown_buffer; - static gain_t* _gain_buffer; - - std::vector<boost::shared_ptr<AudioFileSource> > capturing_sources; - - SerializedRCUManager<ChannelList> channels; - - protected: - int _do_refill_with_alloc (bool one_chunk_only); - - /* really */ - private: - int _do_refill (Sample *mixdown_buffer, float *gain_buffer, framecnt_t fill_level); - - int add_channel_to (boost::shared_ptr<ChannelList>, uint32_t how_many); - int remove_channel_from (boost::shared_ptr<ChannelList>, uint32_t how_many); - -}; - -} // namespace ARDOUR - -#endif /* __ardour_audio_diskstream_h__ */ |