Method read_callback

framework/data_source/dataSourceIO.cpp:29–35

    }

    int dataSourceIO::read_callback(void *arg, uint8_t *buffer, int size)
    {
        auto *pHandle = static_cast<dataSourceIO *>(arg);
        //     AF_LOGE("read_callback", "%s %d \n", __func__, size);
        int ret = pHandle->mPDataSource->Read(buffer, size);
        return ret ? ret : AVERROR_EOF;
    }

    int64_t dataSourceIO::seek_callback(void *arg, int64_t offset, int whence)
    {