diff options
Diffstat (limited to 'video/qt_decoder.cpp')
| -rw-r--r-- | video/qt_decoder.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/video/qt_decoder.cpp b/video/qt_decoder.cpp index 4786e61227..bb9a92225b 100644 --- a/video/qt_decoder.cpp +++ b/video/qt_decoder.cpp @@ -285,6 +285,8 @@ Audio::SeekableAudioStream *QuickTimeDecoder::AudioTrackHandler::getSeekableAudi } QuickTimeDecoder::VideoTrackHandler::VideoTrackHandler(QuickTimeDecoder *decoder, Common::QuickTimeParser::Track *parent) : _decoder(decoder), _parent(parent) { + checkEditListBounds(); + _curEdit = 0; enterNewEditList(false); @@ -299,6 +301,36 @@ QuickTimeDecoder::VideoTrackHandler::VideoTrackHandler(QuickTimeDecoder *decoder _ditherFrame = 0; } +void QuickTimeDecoder::VideoTrackHandler::checkEditListBounds() { + // Check all the edit list entries are within the bounds of the media + // In the Spanish version of Riven, the last edit of the video ogk.mov + // ends one frame after the end of the media. + + uint32 offset = 0; + uint32 mediaDuration = _parent->mediaDuration * _decoder->_timeScale / _parent->timeScale; + + for (uint i = 0; i < _parent->editList.size(); i++) { + EditListEntry &edit = _parent->editList[i]; + + if (edit.mediaTime < 0) { + continue; // Ignore empty edits + } + + if ((uint32) edit.mediaTime > mediaDuration) { + // Check if the edit starts after the end of the media + // If so, mark it as empty so it is ignored + edit.mediaTime = -1; + } else if (edit.mediaTime + edit.trackDuration > mediaDuration) { + // Check if the edit ends after the end of the media + // If so, clip it so it fits in the media + edit.trackDuration = mediaDuration - edit.mediaTime; + } + + edit.timeOffset = offset; + offset += edit.trackDuration; + } +} + QuickTimeDecoder::VideoTrackHandler::~VideoTrackHandler() { if (_scaledSurface) { _scaledSurface->free(); |