fix device changes..

[ardour.git] / libs / timecode / timecode / time.h

diff --git a/libs/timecode/timecode/time.h b/libs/timecode/timecode/time.h
index b1d34eebb80059b9a45ce7723b972a638f4f550d..5ee763d33e9d3090bae279bd1cf387797647733a 100644 (file)
--- a/libs/timecode/timecode/time.h
+++ b/libs/timecode/timecode/time.h
@@ -19,9 +19,12 @@
 #ifndef __timecode_time_h__
 #define __timecode_time_h__
 
+#include <cmath>
 #include <ostream>
 #include <inttypes.h>
 
+#include "timecode/visibility.h"
+
 namespace Timecode {
 
 enum Wrap {
@@ -39,24 +42,26 @@ enum TimecodeFormat {
        timecode_25,
        timecode_2997,
        timecode_2997drop,
+       timecode_2997000,
+       timecode_2997000drop,
        timecode_30,
        timecode_30drop,
        timecode_5994,
        timecode_60
 };
 
-struct Time {
-       bool         negative;
-       uint32_t     hours;
-       uint32_t     minutes;
-       uint32_t     seconds;
-       uint32_t     frames;        ///< Timecode frames (not audio samples)
-       uint32_t     subframes;     ///< Typically unused
-       float        rate;          ///< Frame rate of this Time
-       static float default_rate;  ///< Rate to use for default constructor
-       bool         drop;          ///< Whether this Time uses dropframe Timecode
-
-       Time (float a_rate = default_rate) {
+struct LIBTIMECODE_API Time {
+       bool          negative;
+       uint32_t      hours;
+       uint32_t      minutes;
+       uint32_t      seconds;
+       uint32_t      frames;        ///< Timecode frames (not audio samples)
+       uint32_t      subframes;     ///< Typically unused
+       double        rate;          ///< Frame rate of this Time
+       static double default_rate;  ///< Rate to use for default constructor
+       bool          drop;          ///< Whether this Time uses dropframe Timecode
+
+       Time (double a_rate = default_rate) {
                negative = false;
                hours = 0;
                minutes = 0;
@@ -64,6 +69,7 @@ struct Time {
                frames = 0;
                subframes = 0;
                rate = a_rate;
+               drop = (lrintf(100.f * (float)a_rate) == (long)2997);
        }
        
        bool operator== (const Time& other) const {
@@ -85,33 +91,34 @@ struct Time {
 
 };
 
-Wrap increment (Time& timecode, uint32_t);
-Wrap decrement (Time& timecode, uint32_t);
-Wrap increment_subframes (Time& timecode, uint32_t);
-Wrap decrement_subframes (Time& timecode, uint32_t);
-Wrap increment_seconds (Time& timecode, uint32_t);
-Wrap increment_minutes (Time& timecode, uint32_t);
-Wrap increment_hours (Time& timecode, uint32_t);
-void frames_floor (Time& timecode);
-void seconds_floor (Time& timecode);
-void minutes_floor (Time& timecode);
-void hours_floor (Time& timecode);
+Wrap LIBTIMECODE_API increment (Time& timecode, uint32_t);
+Wrap LIBTIMECODE_API decrement (Time& timecode, uint32_t);
+Wrap LIBTIMECODE_API increment_subframes (Time& timecode, uint32_t);
+Wrap LIBTIMECODE_API decrement_subframes (Time& timecode, uint32_t);
+Wrap LIBTIMECODE_API increment_seconds (Time& timecode, uint32_t);
+Wrap LIBTIMECODE_API increment_minutes (Time& timecode, uint32_t);
+Wrap LIBTIMECODE_API increment_hours (Time& timecode, uint32_t);
+void LIBTIMECODE_API frames_floor (Time& timecode);
+void LIBTIMECODE_API seconds_floor (Time& timecode);
+void LIBTIMECODE_API minutes_floor (Time& timecode);
+void LIBTIMECODE_API hours_floor (Time& timecode);
 
-float timecode_to_frames_per_second(TimecodeFormat const t);
-bool timecode_has_drop_frames(TimecodeFormat const t);
+double LIBTIMECODE_API timecode_to_frames_per_second(TimecodeFormat const t);
+bool LIBTIMECODE_API timecode_has_drop_frames(TimecodeFormat const t);
 
-std::string timecode_format_name (TimecodeFormat const t);
+std::string LIBTIMECODE_API timecode_format_name (TimecodeFormat const t);
 
-std::string timecode_format_time (Timecode::Time& timecode);
+std::string LIBTIMECODE_API timecode_format_time (Timecode::Time const timecode);
 
-std::string timecode_format_sampletime (
+std::string LIBTIMECODE_API timecode_format_sampletime (
                int64_t sample,
                double sample_frame_rate,
                double timecode_frames_per_second, bool timecode_drop_frames
                );
 
-void
-timecode_to_sample(
+bool LIBTIMECODE_API parse_timecode_format(std::string tc, Timecode::Time &TC);
+
+void LIBTIMECODE_API timecode_to_sample(
                Timecode::Time& timecode, int64_t& sample,
                bool use_offset, bool use_subframes,
     /* Note - framerate info is taken from Timecode::Time& */
@@ -121,7 +128,7 @@ timecode_to_sample(
                bool offset_is_negative, int64_t offset_samples
                );
 
-void sample_to_timecode (
+void LIBTIMECODE_API sample_to_timecode (
                int64_t sample, Timecode::Time& timecode,
                bool use_offset, bool use_subframes,
     /* framerate info */
@@ -136,6 +143,6 @@ void sample_to_timecode (
 
 } // namespace Timecode
 
-std::ostream& operator<< (std::ostream& ostr, const Timecode::Time& t);
+extern LIBTIMECODE_API std::ostream& operator<< (std::ostream& ostr, const Timecode::Time& t);
 
 #endif  // __timecode_time_h__