diff options
Diffstat (limited to 'sound/flac.cpp')
| -rw-r--r-- | sound/flac.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/flac.cpp b/sound/flac.cpp index 8dc3586142..f058d2dc6f 100644 --- a/sound/flac.cpp +++ b/sound/flac.cpp @@ -102,6 +102,9 @@ protected: /** index + 1(!) of the last sample to be played - 0 is end of stream */ FLAC__uint64 _lastSample; + /** total play time */ + int32 _totalPlayTime; + /** true if the last sample was decoded from the FLAC-API - there might still be data in the buffer */ bool _lastSampleWritten; @@ -141,6 +144,8 @@ public: return _streaminfo.channels == 0 || (_lastSampleWritten && _sampleCache.bufFill == 0); } + int32 getTotalPlayTime() const { return _totalPlayTime; } + bool isStreamDecoderReady() const { return getStreamDecoderState() == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC ; } protected: @@ -235,7 +240,28 @@ FlacInputStream::FlacInputStream(Common::SeekableReadStream *inStream, bool disp // avoid overflows). _firstSample = (FLAC__uint64)(startTime * (_streaminfo.sample_rate / 1000.0)); _lastSample = (FLAC__uint64)(endTime * (_streaminfo.sample_rate / 1000.0)); + if (_firstSample == 0 || seekAbsolute(_firstSample)) { + int32 samples = kUnknownPlayTime; + + if (!_lastSample) { + if (_streaminfo.total_samples) + samples = _streaminfo.total_samples - _firstSample; + } else { + samples = _lastSample - _firstSample - 1; + } + + if (samples != kUnknownPlayTime && samples >= 0 && numLoops) { + const int32 rate = _streaminfo.sample_rate; + + int32 seconds = samples / rate; + int32 milliseconds = (1000 * (samples % rate)) / rate; + + _totalPlayTime = (seconds * 1000 + milliseconds) * numLoops; + } else { + _totalPlayTime = kUnknownPlayTime; + } + return; // no error occured } } |