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add timecode format parser

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git-svn-id: svn://localhost/ardour2/branches/3.0@13479 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Robin Gareus 2012-11-13 16:14:25 +00:00
parent 1f1cba3814
commit 55c7a3bf01
2 changed files with 20 additions and 0 deletions
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18
libs/timecode/src/time.cc
View file

@ -623,6 +623,24 @@ std::string timecode_format_sampletime (
return timecode_format_time(t); return timecode_format_time(t);
} }
bool parse_timecode_format(std::string tc, Timecode::Time &TC) {
char negative[2];
char ignored[2];
TC.subframes = 0;
if (sscanf (tc.c_str(), "%[- ]%" PRId32 ":%" PRId32 ":%" PRId32 "%[:;]%" PRId32,
negative, &TC.hours, &TC.minutes, &TC.seconds, ignored, &TC.frames) != 6) {
TC.hours = TC.minutes = TC.seconds = TC.frames = 0;
TC.negative = false;
return false;
}
if (negative[0]=='-') {
TC.negative = true;
} else {
TC.negative = false;
}
return true;
}
void void
timecode_to_sample( timecode_to_sample(
Timecode::Time& timecode, int64_t& sample, Timecode::Time& timecode, int64_t& sample,

2
libs/timecode/timecode/time.h
View file

@ -112,6 +112,8 @@ std::string timecode_format_sampletime (
double timecode_frames_per_second, bool timecode_drop_frames double timecode_frames_per_second, bool timecode_drop_frames
); );
bool parse_timecode_format(std::string tc, Timecode::Time &TC);
void void
timecode_to_sample( timecode_to_sample(
Timecode::Time& timecode, int64_t& sample, Timecode::Time& timecode, int64_t& sample,