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Output a warning if a v2 timecode file contains non-sorted timecodes.

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This commit is contained in:
Moritz Bunkus 2005-08-03 13:08:44 +00:00
parent fcb91df81c
commit 0e39483664
1 changed files with 18 additions and 1 deletions
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19
src/merge/timecode_factory.cpp
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@ -199,13 +199,15 @@ void
timecode_factory_v2_c::parse(mm_io_c &in) {
int line_no;
string line;
double timecode;
double timecode, previous_timecode;
map<int64_t, int64_t> dur_map;
map<int64_t, int64_t>::const_iterator it;
int64_t duration, dur_sum;
bool warning_printed = false;
dur_sum = 0;
line_no = 0;
previous_timecode = 0;
while (in.getline2(line)) {
line_no++;
strip(line);
@ -214,6 +216,21 @@ timecode_factory_v2_c::parse(mm_io_c &in) {
if (!parse_double(line.c_str(), timecode))
mxerror(_("The line %d of the timecode file '%s' does not contain a "
"valid floating point number.\n"), line_no, file_name.c_str());
if ((timecode < previous_timecode) && !warning_printed) {
mxwarn("The timecode v2 file '%s' contains timecodes that are not "
"ordered. Due to a bug in mkvmerge versions up to and including "
"v1.5.0 this was necessary if the track to which the timecode "
"file was applied contained B frames. Starting with v1.5.1 "
"mkvmerge now handles this correctly, and the timecodes in the "
"timecode file must be ordered normally. For example, the frame "
"sequence 'IPBBP...' at 25 FPS requires a timecode file with "
"the first timecodes being '0', '40', '80', '120' etc and not "
"'0', '120', '40', '80' etc. The current file will most "
"likely not work how you expect it to.\n",
in.get_file_name().c_str());
warning_printed = true;
}
previous_timecode = timecode;
timecodes.push_back((int64_t)(timecode * 1000000));
if (timecodes.size() > 1) {
duration = timecodes[timecodes.size() - 1] -