X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fsndfilesource.h;h=218bbd242ac303fc4c8d87c4999bba53eb828337;hb=7a524285385d4581ad3f1e085629379e32f82fda;hp=bed431c4902d5f5845b0b5c24b5f4f7b240587b4;hpb=19bb2b33a89a1291451f0740739a36daebe00bae;p=ardour.git diff --git a/libs/ardour/ardour/sndfilesource.h b/libs/ardour/ardour/sndfilesource.h index bed431c490..218bbd242a 100644 --- a/libs/ardour/ardour/sndfilesource.h +++ b/libs/ardour/ardour/sndfilesource.h @@ -24,87 +24,97 @@ #include "ardour/audiofilesource.h" #include "ardour/broadcast_info.h" -#include "pbd/sndfile_manager.h" +#include "ardour/progress.h" namespace ARDOUR { -class SndFileSource : public AudioFileSource { +class LIBARDOUR_API SndFileSource : public AudioFileSource { public: /** Constructor to be called for existing external-to-session files */ SndFileSource (Session&, const std::string& path, int chn, Flag flags); /* Constructor to be called for new in-session files */ SndFileSource (Session&, const std::string& path, const std::string& origin, - SampleFormat samp_format, HeaderFormat hdr_format, framecnt_t rate, + SampleFormat samp_format, HeaderFormat hdr_format, samplecnt_t rate, Flag flags = SndFileSource::default_writable_flags); - /** Constructor to be called for existing in-session files */ + /* Constructor to be called for recovering files being used for + * capture. They are in-session, they already exist, they should not + * be writable. They are an odd hybrid (from a constructor point of + * view) of the previous two constructors. + */ + SndFileSource (Session&, const std::string& path, int chn); + + /** Constructor to be called for existing in-session files during + * session loading + */ SndFileSource (Session&, const XMLNode&); + /** Constructor to losslessly compress existing source */ + SndFileSource (Session& s, const AudioFileSource& other, const std::string& path, bool use16bits = false, Progress* p = NULL); + ~SndFileSource (); float sample_rate () const; - int update_header (framepos_t when, struct tm&, time_t); + int update_header (samplepos_t when, struct tm&, time_t); int flush_header (); void flush (); - framepos_t natural_position () const; + samplepos_t natural_position () const; - framepos_t last_capture_start_frame() const; - void mark_capture_start (framepos_t); + samplepos_t last_capture_start_sample() const; + void mark_capture_start (samplepos_t); void mark_capture_end (); void clear_capture_marks(); - bool set_destructive (bool yn); - bool one_of_several_channels () const; + uint32_t channel_count () const { return _info.channels; } bool clamped_at_unity () const; - static void setup_standard_crossfades (Session const &, framecnt_t sample_rate); + static void setup_standard_crossfades (Session const &, samplecnt_t sample_rate); static const Source::Flag default_writable_flags; static int get_soundfile_info (const std::string& path, SoundFileInfo& _info, std::string& error_msg); protected: + void close (); + void set_path (const std::string& p); void set_header_timeline_position (); - framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const; - framecnt_t write_unlocked (Sample *dst, framecnt_t cnt); - framecnt_t write_float (Sample* data, framepos_t pos, framecnt_t cnt); + samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const; + samplecnt_t write_unlocked (Sample *dst, samplecnt_t cnt); + samplecnt_t write_float (Sample* data, samplepos_t pos, samplecnt_t cnt); private: - PBD::SndFileDescriptor* _descriptor; + SNDFILE* _sndfile; SF_INFO _info; BroadcastInfo *_broadcast_info; void init_sndfile (); int open(); - int setup_broadcast_info (framepos_t when, struct tm&, time_t); + int setup_broadcast_info (samplepos_t when, struct tm&, time_t); void file_closed (); /* destructive */ - static framecnt_t xfade_frames; + static samplecnt_t xfade_samples; static gain_t* out_coefficient; static gain_t* in_coefficient; bool _capture_start; bool _capture_end; - framepos_t capture_start_frame; - framepos_t file_pos; // unit is frames - framecnt_t xfade_out_count; - framecnt_t xfade_in_count; + samplepos_t capture_start_sample; + samplepos_t file_pos; // unit is samples Sample* xfade_buf; - framecnt_t crossfade (Sample* data, framecnt_t cnt, int dir); - void set_timeline_position (framepos_t); - framecnt_t destructive_write_unlocked (Sample *dst, framecnt_t cnt); - framecnt_t nondestructive_write_unlocked (Sample *dst, framecnt_t cnt); + samplecnt_t crossfade (Sample* data, samplecnt_t cnt, int dir); + void set_timeline_position (samplepos_t); + samplecnt_t destructive_write_unlocked (Sample *dst, samplecnt_t cnt); + samplecnt_t nondestructive_write_unlocked (Sample *dst, samplecnt_t cnt); void handle_header_position_change (); PBD::ScopedConnection header_position_connection; - PBD::ScopedConnection file_manager_connection; }; } // namespace ARDOUR