Method onReadSource

framework/data_source/cache/cachedSource.cpp:20–46

    }

    int cachedSource::onReadSource(uint8_t *buffer, int size, uint64_t pos)
    {
        int sizeRead = 0;
        int64_t seekPos = mDataSource->Seek(pos, SEEK_SET);

        if (seekPos < 0) {
            return seekPos;
        }

        while (size > 0) {
            int ret;
            ret = mDataSource->Read(buffer + sizeRead, static_cast<size_t>(size));

            if (ret < 0) {
                return ret;
            }

            if (ret == 0) {
                break;
            }

            size -= ret;
            sizeRead += ret;
        }

        return sizeRead;
    }

    cachedSource::~cachedSource()
    {