kits/media/TimeCode.cpp

10 status_t us_to_timecode(bigtime_t micros, int * hours, int * minutes, int * seconds, int * frames, const timecode_info * code)
16 	if (code) {
18 		switch (code->type) {
27 				l_frames = (((micros % 1000000) * code->fps_div) / 1000000) + (micros / 1000000 * code->fps_div);
35 	return frames_to_timecode(l_frames, hours, minutes, seconds, frames, code);
38 status_t timecode_to_us(int hours, int minutes, int seconds, int frames, bigtime_t * micros, const timecode_info * code)
44 	if (timecode_to_frames(hours, minutes, seconds, frames, &l_frames, code) == B_OK) {
46 		if (code) {
48 			switch (code->type) {
57 					*micros = l_frames * 1000000 / code->fps_div;
70 status_t frames_to_timecode(int32 l_frames, int * hours, int * minutes, int * seconds, int * frames, const timecode_info * code)
79 	if (code) {
81 		fps_div = code->fps_div;
83 		if (code->every_nth > 0) {
89 			extra_frames = code->drop_frames*(total_mins/code->every_nth) - code->drop_frames*(total_mins/code->except_nth);
93 			extra_frames2 = code->drop_frames*(total_mins/code->every_nth) - code->drop_frames*(total_mins/code->except_nth);
101 				extra_frames2 = code->drop_frames*(total_mins/code->every_nth) - code->drop_frames*(total_mins/code->except_nth);
142 status_t timecode_to_frames(int hours, int minutes, int seconds, int frames, int32 * l_frames, const timecode_info * code)
150 	if (code) {
152 		fps_div = code->fps_div;
159 		if (code->every_nth > 0) {
160 			extra_frames = code->drop_frames*(total_mins/code->every_nth) - code->drop_frames*(total_mins/code->except_nth);