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-rw-r--r--libs/ardour/ardour/audio_diskstream.h270
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diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h
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--- a/libs/ardour/ardour/audio_diskstream.h
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@@ -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__ */
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