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Diffstat (limited to 'libs/ardour/ardour/audiofilesource.h')
-rw-r--r-- | libs/ardour/ardour/audiofilesource.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/libs/ardour/ardour/audiofilesource.h b/libs/ardour/ardour/audiofilesource.h new file mode 100644 index 0000000000..ecbac569d5 --- /dev/null +++ b/libs/ardour/ardour/audiofilesource.h @@ -0,0 +1,157 @@ +/* + Copyright (C) 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_audiofilesource_h__ +#define __ardour_audiofilesource_h__ + +#include <time.h> + +#include <ardour/audiosource.h> + +namespace ARDOUR { + +struct SoundFileInfo { + float samplerate; + uint16_t channels; + int64_t length; + std::string format_name; +}; + +class AudioFileSource : public AudioSource { + public: + enum Flag { + Writable = 0x1, + CanRename = 0x2, + Broadcast = 0x4, + Removable = 0x8, + RemovableIfEmpty = 0x10, + RemoveAtDestroy = 0x20, + BuildPeaks = 0x40 + }; + + virtual ~AudioFileSource (); + + int set_name (string newname, bool destructive); + + string path() const { return _path; } + string peak_path (string audio_path); + string old_peak_path (string audio_path); + + static void set_peak_dir (string dir) { peak_dir = dir; } + + /* factory for an existing but not-used-in-session audio file. this exists + because there maybe multiple back-end derivations of AudioFileSource, + some of which can handle formats that cannot be handled by others. + For example, CoreAudioFileSource can handle MP3 files, which SndFileSource + cannot. + */ + + static AudioFileSource* create (string path_plus_channel); + static AudioFileSource* create (const XMLNode&); + + static bool get_soundfile_info (string path, SoundFileInfo& _info, string& error); + + void set_allow_remove_if_empty (bool yn); + void mark_for_remove(); + + /* this block of methods do nothing for regular file sources, but are significant + for files used in destructive recording. + */ + + virtual jack_nframes_t last_capture_start_frame() const { return 0; } + virtual void mark_capture_start (jack_nframes_t) {} + virtual void mark_capture_end () {} + virtual void clear_capture_marks() {} + + virtual int update_header (jack_nframes_t when, struct tm&, time_t) = 0; + virtual int flush_header () = 0; + + int move_to_trash (const string trash_dir_name); + + static bool is_empty (string path); + void mark_streaming_write_completed (); + + void mark_take (string); + string take_id() const { return _take_id; } + + static void set_bwf_country_code (string x); + static void set_bwf_organization_code (string x); + static void set_bwf_serial_number (int); + + static void set_search_path (string); + static void set_header_position_offset (jack_nframes_t offset, bool negative); + + static sigc::signal<void,struct tm*, time_t> HeaderPositionOffsetChanged; + + XMLNode& get_state (); + int set_state (const XMLNode&); + + /* this should really be protected, but C++ is getting stricter + and creating slots from protected member functions is starting + to cause issues. + */ + + void handle_header_position_change (struct tm*, time_t tnow); + + protected: + + /* constructor to be called for existing external-to-session files */ + + AudioFileSource (std::string path, Flag flags); + + /* constructor to be called for new in-session files */ + + AudioFileSource (std::string path, Flag flags, + SampleFormat samp_format, HeaderFormat hdr_format); + + /* constructor to be called for existing in-session files */ + + AudioFileSource (const XMLNode&); + + int init (string idstr, bool must_exist); + + uint16_t channel; + string _path; + Flag _flags; + string _take_id; + bool allow_remove_if_empty; + uint64_t timeline_position; + + static string peak_dir; + static string search_path; + + static char bwf_country_code[3]; + static char bwf_organization_code[4]; + static char bwf_serial_number[13]; + + static uint64_t header_position_offset; + static bool header_position_negative; + + virtual void set_timeline_position (jack_nframes_t pos); + virtual void set_header_timeline_position () = 0; + + bool find (std::string path, bool must_exist, bool& is_new); + bool removable() const; + bool writable() const { return _flags & Writable; } +}; + +}; /* namespace ARDOUR */ + +#endif /* __ardour_audiofilesource_h__ */ + |