Method getCacheDuration

framework/WebAssemblyPlayer/bitStreamDecoder.cpp:279–294

    }

    int bitStreamDecoder::getCacheDuration()
    {
        int duration = 0;

        for (auto &item : mPacketQues) {
            if (item.second.empty()) {
                return 0;
            }

            if (item.second.back()->getInfo().dts != INT64_MIN && item.second.front()->getInfo().dts != INT64_MIN) {
                duration = item.second.back()->getInfo().dts - item.second.front()->getInfo().dts;
            }
        }

        return duration;
    }
}