2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_audiofilesource_h__
21 #define __ardour_audiofilesource_h__
27 #include <ardour/audiosource.h>
31 class non_existent_source : public std::exception {
33 virtual const char *what() const throw() { return "audio file does not exist"; }
36 struct SoundFileInfo {
40 std::string format_name;
44 class AudioFileSource : public AudioSource {
46 virtual ~AudioFileSource ();
48 bool set_name (const std::string& newname) {
49 return (set_source_name(newname, destructive()) == 0);
51 int set_source_name (Glib::ustring newname, bool destructive);
53 Glib::ustring path() const { return _path; }
54 Glib::ustring peak_path (Glib::ustring audio_path);
55 Glib::ustring find_broken_peakfile (Glib::ustring missing_peak_path,
56 Glib::ustring audio_path);
58 uint16_t channel() const { return _channel; }
60 static void set_peak_dir (Glib::ustring dir) { peak_dir = dir; }
62 static bool get_soundfile_info (Glib::ustring path, SoundFileInfo& _info, std::string& error);
64 static bool safe_file_extension (Glib::ustring path);
66 void set_allow_remove_if_empty (bool yn);
67 void mark_for_remove();
69 /* this block of methods do nothing for regular file sources, but are significant
70 for files used in destructive recording.
72 virtual nframes_t last_capture_start_frame() const { return 0; }
73 virtual void mark_capture_start (nframes_t) {}
74 virtual void mark_capture_end () {}
75 virtual void clear_capture_marks() {}
76 virtual bool one_of_several_channels () const { return false; }
78 virtual int update_header (nframes_t when, struct tm&, time_t) = 0;
79 virtual int flush_header () = 0;
81 int move_to_trash (const Glib::ustring& trash_dir_name);
83 static bool is_empty (Session&, Glib::ustring path);
84 void mark_streaming_write_completed ();
86 void mark_take (Glib::ustring);
87 Glib::ustring take_id() const { return _take_id; }
89 bool is_embedded() const { return _is_embedded; }
91 static void set_bwf_serial_number (int);
93 static void set_search_path (Glib::ustring string);
94 static void set_header_position_offset (nframes_t offset );
96 int setup_peakfile ();
98 XMLNode& get_state ();
99 int set_state (const XMLNode&);
101 bool destructive() const { return (_flags & Destructive); }
102 virtual bool set_destructive (bool yn) { return false; }
103 bool can_truncate_peaks() const { return !destructive(); }
104 bool can_be_analysed() const { return _length > 0; }
106 void mark_immutable ();
108 static sigc::signal<void> HeaderPositionOffsetChanged;
112 /** Constructor to be called for existing external-to-session files */
113 AudioFileSource (Session&, Glib::ustring path, Source::Flag flags);
115 /** Constructor to be called for new in-session files */
116 AudioFileSource (Session&, Glib::ustring path, Source::Flag flags,
117 SampleFormat samp_format, HeaderFormat hdr_format);
119 /** Constructor to be called for existing in-session files */
120 AudioFileSource (Session&, const XMLNode&, bool must_exit = true);
122 int init (Glib::ustring idstr, bool must_exist);
124 static bool determine_embeddedness (Glib::ustring path);
126 virtual void set_timeline_position (int64_t pos);
127 virtual void set_header_timeline_position () = 0;
128 virtual void handle_header_position_change () {}
130 bool find (Glib::ustring& path, bool must_exist, bool& is_new, uint16_t& chan);
131 bool removable() const;
132 bool writable() const { return _flags & Writable; }
134 static Sample* get_interleave_buffer (nframes_t size);
137 Glib::ustring _take_id;
138 int64_t _timeline_position;
143 static Glib::ustring peak_dir;
144 static Glib::ustring search_path;
146 static char bwf_country_code[3];
147 static char bwf_organization_code[4];
148 static char bwf_serial_number[13];
150 static uint64_t header_position_offset;
153 Glib::ustring old_peak_path (Glib::ustring audio_path);
154 Glib::ustring broken_peak_path (Glib::ustring audio_path);
157 } // namespace ARDOUR
159 #endif /* __ardour_audiofilesource_h__ */