109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/*
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* Copyright 2009, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _TIME_CODE_H
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#define _TIME_CODE_H
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#include <SupportDefs.h>
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// Time code is always in the form HH:MM:SS:FF, it's the definition of "FF"
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// that varies
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enum timecode_type {
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B_TIMECODE_DEFAULT,
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B_TIMECODE_100,
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B_TIMECODE_75, // CD
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B_TIMECODE_30, // MIDI
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B_TIMECODE_30_DROP_2, // NTSC
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B_TIMECODE_30_DROP_4, // Brazil
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B_TIMECODE_25, // PAL
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B_TIMECODE_24, // Film
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B_TIMECODE_18 // Super8
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};
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struct timecode_info {
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timecode_type type;
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int drop_frames;
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int every_nth;
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int except_nth;
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int fps_div;
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char name[32]; // For popup menus and such
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char format[32]; // For sprintf(fmt, h, m, s, f)
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char _reserved_[64];
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};
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status_t us_to_timecode(bigtime_t micros, int* hours, int* minutes,
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int* seconds, int* frames, const timecode_info* code = NULL);
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status_t timecode_to_us(int hours, int minutes, int seconds, int frames,
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bigtime_t* micros, const timecode_info* code = NULL);
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status_t frames_to_timecode(int32 l_frames, int* hours, int* minutes,
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int* seconds, int* frames, const timecode_info* code = NULL);
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status_t timecode_to_frames(int hours, int minutes, int seconds, int frames,
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int32* lFrames, const timecode_info* code = NULL);
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status_t get_timecode_description(timecode_type type,
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timecode_info* _timecode);
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status_t count_timecodes();
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class BTimeCode {
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public:
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BTimeCode();
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BTimeCode(bigtime_t microSeconds,
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timecode_type type = B_TIMECODE_DEFAULT);
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BTimeCode(const BTimeCode& other);
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BTimeCode(int hours, int minutes, int seconds,
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int frames,
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timecode_type type = B_TIMECODE_DEFAULT);
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~BTimeCode();
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void SetData(int hours, int minutes, int seconds,
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int frames);
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status_t SetType(timecode_type type);
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void SetMicroseconds(bigtime_t microSeconds);
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void SetLinearFrames(int32 linearFrames);
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BTimeCode& operator=(const BTimeCode& other);
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bool operator==(const BTimeCode& other) const;
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bool operator<(const BTimeCode& other) const;
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BTimeCode& operator+=(const BTimeCode& other);
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BTimeCode& operator-=(const BTimeCode& other);
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BTimeCode operator+(const BTimeCode& other) const;
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BTimeCode operator-(const BTimeCode& other) const;
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int Hours() const;
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int Minutes() const;
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int Seconds() const;
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int Frames() const;
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timecode_type Type() const;
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void GetData(int* _hours, int* _minutes,
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int* _seconds, int* _frames,
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timecode_type* _type = NULL) const;
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bigtime_t Microseconds() const;
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int32 LinearFrames() const;
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// Make sure the passed buffer is at least 24 bytes large.
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void GetString(char* string) const;
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private:
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int fHours;
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int fMinutes;
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int fSeconds;
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int fFrames;
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timecode_info fInfo;
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};
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#endif // _TIME_CODE_H
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