Rewrote header, updated source.
+alphabranch git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32786 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus
parent
cb3f273dd2
commit
224f4fcd63
@ -1,119 +1,108 @@
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/*****************************************************************
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File: TimeCode.h
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Description: Time code handling functions and class
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Copyright 1998-, Be Incorporated. All Rights Reserved.
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*****************************************************************/
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#if !defined(_TIME_CODE_H)
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/*
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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 that varies */
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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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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 menu etc */
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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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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, 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, bigtime_t * micros, const timecode_info * code = NULL);
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status_t frames_to_timecode(int32 l_frames, int * hours, int * minutes, 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, int32 * l_frames, const timecode_info * code = NULL);
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status_t get_timecode_description(timecode_type type, timecode_info * out_timecode);
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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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/* we may want a set_default_timecode, too -- but that's bad from a thread standpoint */
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class BTimeCode {
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public:
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BTimeCode();
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BTimeCode(
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bigtime_t us,
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timecode_type type = B_TIMECODE_DEFAULT);
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BTimeCode(
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const BTimeCode & clone);
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BTimeCode(
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int hours,
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int minutes,
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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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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(
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int hours,
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int minutes,
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int seconds,
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int frames);
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status_t SetType(
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timecode_type type);
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void SetMicroseconds(
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bigtime_t us);
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void SetLinearFrames(
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int32 linear_frames);
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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=(
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const BTimeCode & clone);
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bool operator==(
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const BTimeCode & other) const;
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bool operator<(
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const BTimeCode & other) const;
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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+=(
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const BTimeCode & other);
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BTimeCode & operator-=(
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const BTimeCode & other);
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BTimeCode& operator+=(const BTimeCode& other);
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BTimeCode& operator-=(const BTimeCode& other);
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BTimeCode operator+(
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const BTimeCode & other) const;
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BTimeCode operator-(
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const BTimeCode & other) const;
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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(
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int * out_hours,
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int * out_minutes,
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int * out_seconds,
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int * out_frames,
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timecode_type * out_type = NULL) 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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void GetString(
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char * str) const; /* at least 24 bytes */
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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 m_hours;
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int m_minutes;
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int m_seconds;
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int m_frames;
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timecode_info m_info;
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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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#endif // _TIME_CODE_H
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@ -12,7 +12,7 @@ status_t us_to_timecode(bigtime_t micros, int * hours, int * minutes, int * seco
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int32 l_frames;
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CALLED();
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if (code) {
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// We have a valid timecode_info
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switch (code->type) {
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@ -26,7 +26,7 @@ status_t us_to_timecode(bigtime_t micros, int * hours, int * minutes, int * seco
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default:
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l_frames = (((micros % 1000000) * code->fps_div) / 1000000) + (micros / 1000000 * code->fps_div);
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break;
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};
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};
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} else {
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// Convert us to frames
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l_frames = int32((((micros % 1000000) * 29.97) / 1000000) + (micros / 1000000 * 29.97));
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@ -38,11 +38,11 @@ status_t us_to_timecode(bigtime_t micros, int * hours, int * minutes, int * seco
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status_t timecode_to_us(int hours, int minutes, int seconds, int frames, bigtime_t * micros, const timecode_info * code)
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{
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int32 l_frames;
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CALLED();
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if (timecode_to_frames(hours, minutes, seconds, frames, &l_frames, code) == B_OK) {
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if (code) {
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// We have a valid timecode_info
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switch (code->type) {
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@ -56,7 +56,7 @@ status_t timecode_to_us(int hours, int minutes, int seconds, int frames, bigtime
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default:
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*micros = l_frames * 1000000 / code->fps_div;
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break;
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};
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};
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} else {
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*micros = bigtime_t(l_frames * ((1000000 / 29.97) + 0.5));
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@ -96,11 +96,11 @@ status_t frames_to_timecode(int32 l_frames, int * hours, int * minutes, int * se
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while (extra_frames != extra_frames2) {
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l_frames += extra_frames2 - extra_frames;
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extra_frames = extra_frames2;
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total_mins = l_frames / fps_div / 60;
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extra_frames2 = code->drop_frames*(total_mins/code->every_nth) - code->drop_frames*(total_mins/code->except_nth);
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}
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// l_frames should now include all adjusted frames
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}
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} else {
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@ -119,12 +119,12 @@ status_t frames_to_timecode(int32 l_frames, int * hours, int * minutes, int * se
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while (extra_frames != extra_frames2) {
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l_frames += extra_frames2 - extra_frames;
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extra_frames = extra_frames2;
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total_mins = l_frames / fps_div / 60;
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extra_frames2 = 2*(total_mins) - 2*(total_mins/10);
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}
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}
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// convert frames to seconds leaving the remainder as frames
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*seconds = l_frames / fps_div; // DIV
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*frames = l_frames % fps_div; // MOD
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@ -146,7 +146,7 @@ status_t timecode_to_frames(int hours, int minutes, int seconds, int frames, int
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int32 extra_frames;
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CALLED();
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if (code) {
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// We have a valid timecode_info
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fps_div = code->fps_div;
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@ -158,7 +158,7 @@ status_t timecode_to_frames(int hours, int minutes, int seconds, int frames, int
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// Adjust "every_nth" minute we lose "drop_frames" "except_nth" minute
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if (code->every_nth > 0) {
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extra_frames = code->drop_frames*(total_mins/code->every_nth) - code->drop_frames*(total_mins/code->except_nth);
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*l_frames = *l_frames - extra_frames;
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}
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} else {
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@ -172,7 +172,7 @@ status_t timecode_to_frames(int hours, int minutes, int seconds, int frames, int
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*l_frames = *l_frames - extra_frames;
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}
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return B_OK;
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}
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@ -190,7 +190,7 @@ status_t get_timecode_description(timecode_type type, timecode_info * out_timeco
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strncpy(out_timecode->name,"100 FPS",31);
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out_timecode->fps_div = 100;
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break;
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case B_TIMECODE_75: // CD
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case B_TIMECODE_75: // CD
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strncpy(out_timecode->name,"CD",31);
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out_timecode->fps_div = 75;
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break;
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@ -232,7 +232,7 @@ status_t get_timecode_description(timecode_type type, timecode_info * out_timeco
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out_timecode->except_nth = 10; // except every 10 minutes
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break;
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}
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return B_OK;
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}
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@ -298,10 +298,10 @@ BTimeCode::SetData(int hours,
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int frames)
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{
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CALLED();
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m_hours = hours;
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m_minutes = minutes;
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m_seconds = seconds;
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m_frames = frames;
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fHours = hours;
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fMinutes = minutes;
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fSeconds = seconds;
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fFrames = frames;
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}
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@ -309,8 +309,8 @@ status_t
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BTimeCode::SetType(timecode_type type)
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{
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CALLED();
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return get_timecode_description(type, &m_info);
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return get_timecode_description(type, &fInfo);
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}
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@ -318,8 +318,8 @@ void
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BTimeCode::SetMicroseconds(bigtime_t us)
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{
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CALLED();
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us_to_timecode(us, &m_hours, &m_minutes, &m_seconds, &m_frames, &m_info);
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us_to_timecode(us, &fHours, &fMinutes, &fSeconds, &fFrames, &fInfo);
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}
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@ -327,8 +327,8 @@ void
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BTimeCode::SetLinearFrames(int32 linear_frames)
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{
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CALLED();
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frames_to_timecode(linear_frames, &m_hours, &m_minutes, &m_seconds, &m_frames, &m_info);
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frames_to_timecode(linear_frames, &fHours, &fMinutes, &fSeconds, &fFrames, &fInfo);
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}
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@ -336,12 +336,12 @@ BTimeCode &
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BTimeCode::operator=(const BTimeCode &clone)
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{
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CALLED();
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m_hours = clone.Hours();
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m_minutes = clone.Minutes();
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m_seconds = clone.Seconds();
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m_frames = clone.Frames();
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fHours = clone.Hours();
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fMinutes = clone.Minutes();
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fSeconds = clone.Seconds();
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fFrames = clone.Frames();
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SetType(clone.Type());
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return *this;
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}
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@ -368,9 +368,9 @@ BTimeCode &
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BTimeCode::operator+=(const BTimeCode &other)
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{
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CALLED();
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this->SetLinearFrames(this->LinearFrames() + other.LinearFrames());
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return *this;
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}
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@ -379,9 +379,9 @@ BTimeCode &
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BTimeCode::operator-=(const BTimeCode &other)
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{
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CALLED();
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this->SetLinearFrames(this->LinearFrames() - other.LinearFrames());
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return *this;
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}
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@ -411,7 +411,7 @@ BTimeCode::Hours() const
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{
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CALLED();
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return m_hours;
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return fHours;
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}
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@ -420,7 +420,7 @@ BTimeCode::Minutes() const
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{
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CALLED();
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return m_minutes;
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return fMinutes;
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}
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@ -429,7 +429,7 @@ BTimeCode::Seconds() const
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{
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CALLED();
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return m_seconds;
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return fSeconds;
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}
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@ -438,7 +438,7 @@ BTimeCode::Frames() const
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{
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CALLED();
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return m_frames;
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return fFrames;
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}
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@ -447,7 +447,7 @@ BTimeCode::Type() const
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{
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CALLED();
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return m_info.type;
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return fInfo.type;
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}
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@ -459,11 +459,11 @@ BTimeCode::GetData(int *out_hours,
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timecode_type *out_type) const
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{
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CALLED();
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*out_hours = m_hours;
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*out_minutes = m_minutes;
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*out_seconds = m_seconds;
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*out_frames = m_frames;
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*out_type = m_info.type;
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*out_hours = fHours;
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*out_minutes = fMinutes;
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*out_seconds = fSeconds;
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*out_frames = fFrames;
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*out_type = fInfo.type;
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}
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@ -474,10 +474,10 @@ BTimeCode::Microseconds() const
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CALLED();
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if (timecode_to_us(m_hours,m_minutes,m_seconds,m_frames, &us, &m_info) == B_OK) {
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if (timecode_to_us(fHours,fMinutes,fSeconds,fFrames, &us, &fInfo) == B_OK) {
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return us;
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}
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return 0;
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}
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@ -488,12 +488,12 @@ BTimeCode::LinearFrames() const
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int32 linear_frames;
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CALLED();
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if (timecode_to_frames(m_hours,m_minutes,m_seconds,m_frames,&linear_frames,&m_info) == B_OK) {
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if (timecode_to_frames(fHours,fMinutes,fSeconds,fFrames,&linear_frames,&fInfo) == B_OK) {
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return linear_frames;
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}
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return 0;
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return 0;
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}
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||||
|
||||
|
||||
@ -501,5 +501,5 @@ void
|
||||
BTimeCode::GetString(char *str) const
|
||||
{
|
||||
CALLED();
|
||||
sprintf(str,m_info.format, m_hours, m_minutes, m_seconds, m_frames);
|
||||
sprintf(str,fInfo.format, fHours, fMinutes, fSeconds, fFrames);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user