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LibVideo/Matroska: Add debug logging for seeking to cues

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Zaggy1024 2023-02-05 17:45:56 -06:00 • committed by Andreas Kling
parent 3bfef8bfe0
commit 448d121304
1 changed files with 5 additions and 1 deletions
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6
Userland/Libraries/LibVideo/Containers/Matroska/Reader.cpp
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@ -781,6 +781,7 @@ DecoderErrorOr<void> Reader::seek_to_cue_for_timestamp(SampleIterator& iterator,
index = clamp(((timestamp.to_nanoseconds() * cue_points.size()) / TRY(segment_information()).duration()->to_nanoseconds()), 0, cue_points.size() - 1);
CuePoint const* prev_cue_point = &cue_points[index];
dbgln_if(MATROSKA_DEBUG, "Finding Matroska cue points for timestamp {}ms starting from cue at {}ms", timestamp.to_milliseconds(), prev_cue_point->timestamp().to_milliseconds());
if (prev_cue_point->timestamp() == timestamp) {
TRY(iterator.seek_to_cue_point(*prev_cue_point));
@ -788,14 +789,17 @@ DecoderErrorOr<void> Reader::seek_to_cue_for_timestamp(SampleIterator& iterator,
}
if (prev_cue_point->timestamp() > timestamp) {
while (index > 0 && prev_cue_point->timestamp() > timestamp)
while (index > 0 && prev_cue_point->timestamp() > timestamp) {
prev_cue_point = &cue_points[--index];
dbgln_if(MATROSKA_DEBUG, "Checking previous cue point {}ms", prev_cue_point->timestamp().to_milliseconds());
}
TRY(iterator.seek_to_cue_point(*prev_cue_point));
return {};
}
while (index < cue_points.size()) {
auto const& cue_point = cue_points[index++];
dbgln_if(MATROSKA_DEBUG, "Checking future cue point {}ms", cue_point.timestamp().to_milliseconds());
if (cue_point.timestamp() > timestamp)
break;
prev_cue_point = &cue_point;